diff mbox series

vte: upgrade 0.78.2 -> 0.80.3

Message ID 20250902153929.3365588-2-rob.woolley@windriver.com
State Accepted, archived
Commit 0a849dc7edeecb6c16a8a0fe347015d6d85e9dfd
Headers show
Series vte: upgrade 0.78.2 -> 0.80.3 | expand

Commit Message

Rob Woolley Sept. 2, 2025, 3:39 p.m. UTC 
From: Gyorgy Sarvari <skandigraun@gmail.com>

0004-fast_float-Add-single-header-library-for-from_char-i.patch
and 0005-color-parser-Use-fast_float-implementation-for-from_.patch
patches dropped: upstream has adopted the changes, and oe-core also
provides now fastfloat, no need to vendor it with a patch.

0002-lib-Typo-fix.patch is dropped, because it was a backport, and
it is included in this release.

Shortlog: https://gitlab.gnome.org/GNOME/vte/-/compare/0.80.3...0.78.2

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 .../vte/vte/0002-lib-Typo-fix.patch           |   25 -
 ...ingle-header-library-for-from_char-i.patch | 3922 -----------------
 ...-fast_float-implementation-for-from_.patch |  102 -
 .../vte/{vte_0.78.2.bb => vte_0.80.3.bb}      |   14 +-
 4 files changed, 6 insertions(+), 4057 deletions(-)
 delete mode 100644 meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
 delete mode 100644 meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
 delete mode 100644 meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
 rename meta/recipes-support/vte/{vte_0.78.2.bb => vte_0.80.3.bb} (82%)

Comments

Alexander Kanavin Sept. 2, 2025, 3:41 p.m. UTC | #1 
This has already merged to master.

Alex

On Tue, 2 Sept 2025 at 17:39, Rob Woolley via lists.openembedded.org
<rob.woolley=windriver.com@lists.openembedded.org> wrote:
>
> From: Gyorgy Sarvari <skandigraun@gmail.com>
>
> 0004-fast_float-Add-single-header-library-for-from_char-i.patch
> and 0005-color-parser-Use-fast_float-implementation-for-from_.patch
> patches dropped: upstream has adopted the changes, and oe-core also
> provides now fastfloat, no need to vendor it with a patch.
>
> 0002-lib-Typo-fix.patch is dropped, because it was a backport, and
> it is included in this release.
>
> Shortlog: https://gitlab.gnome.org/GNOME/vte/-/compare/0.80.3...0.78.2
>
> Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
> Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> ---
>  .../vte/vte/0002-lib-Typo-fix.patch           |   25 -
>  ...ingle-header-library-for-from_char-i.patch | 3922 -----------------
>  ...-fast_float-implementation-for-from_.patch |  102 -
>  .../vte/{vte_0.78.2.bb => vte_0.80.3.bb}      |   14 +-
>  4 files changed, 6 insertions(+), 4057 deletions(-)
>  delete mode 100644 meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
>  delete mode 100644 meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
>  delete mode 100644 meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
>  rename meta/recipes-support/vte/{vte_0.78.2.bb => vte_0.80.3.bb} (82%)
>
> diff --git a/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch b/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
> deleted file mode 100644
> index 410d506806..0000000000
> --- a/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
> +++ /dev/null
> @@ -1,25 +0,0 @@
> -From 6b7440996819c12ec32bfaf4e73b27baeb273207 Mon Sep 17 00:00:00 2001
> -From: Christian Persch <chpe@src.gnome.org>
> -Date: Thu, 5 Sep 2024 23:59:05 +0200
> -Subject: [PATCH 2/3] lib: Typo fix
> -
> -Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2816
> -Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/vte/-/commit/e24087d953d9352c8bc46074e2662c80f9bfbc2d]
> -Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ----
> - src/vteinternal.hh | 2 +-
> - 1 file changed, 1 insertion(+), 1 deletion(-)
> -
> -diff --git a/src/vteinternal.hh b/src/vteinternal.hh
> -index 051e78c..b1adc19 100644
> ---- a/src/vteinternal.hh
> -+++ b/src/vteinternal.hh
> -@@ -1233,7 +1233,7 @@ public:
> -         void reset_decoder();
> -
> -         void feed(std::string_view const& data,
> --                  bool start_processsing_ = true);
> -+                  bool start_processing_ = true);
> -         void feed_child(char const* data,
> -                         size_t length) { assert(data); feed_child({data, length}); }
> -         void feed_child(std::string_view const& str);
> diff --git a/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch b/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
> deleted file mode 100644
> index 731dba729d..0000000000
> --- a/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
> +++ /dev/null
> @@ -1,3922 +0,0 @@
> -From 2a32e43e43b04771a3357d3d4ccbafa7714e0114 Mon Sep 17 00:00:00 2001
> -From: Khem Raj <raj.khem@gmail.com>
> -Date: Fri, 4 Oct 2024 21:21:11 -0700
> -Subject: [PATCH 4/5] fast_float: Add single header library for from_char
> - implementation
> -
> -Document the process to re-generate the file whenever new release
> -is made for fast_float upstream.
> -
> -This would make it work with llvm libc++
> -
> -Upstream-Status: Submitted [https://gitlab.gnome.org/GNOME/vte/-/issues/2823#note_2239888]
> -Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ----
> - README.md         |   17 +
> - src/fast_float.hh | 3869 +++++++++++++++++++++++++++++++++++++++++++++
> - 2 files changed, 3886 insertions(+)
> - create mode 100644 src/fast_float.hh
> -
> -diff --git a/README.md b/README.md
> -index a32465a9..20ed5ba2 100644
> ---- a/README.md
> -+++ b/README.md
> -@@ -21,6 +21,23 @@ on download.gnome.org, but please note that any tarball for releases
> - after 0.60.3 were made by either the gnome release team or other
> - gnome contributors, but not by a VTE maintainer.
> -
> -+fast_float library[1] is used to provide from_chars implementation for faster
> -+and more portable parsing of 64 decimal strings.
> -+
> -+fast_float.hh is an amalgamation of the entire library,
> -+which can be regenerated by using amalgamate.py script provided by
> -+fast_float repository. Following command can be used to re-generate the
> -+header file
> -+
> -+```
> -+git clone https://github.com/fastfloat/fast_float
> -+cd fast_float
> -+git checkout v6.1.6
> -+python3 ./script/amalgamate.py --license=MIT > $VTE_SRC/src/fast_float.hh
> -+```
> -+
> -+[1]: https://github.com/fastfloat/fast_float
> -+
> - Installation
> - ------------
> -
> -diff --git a/src/fast_float.hh b/src/fast_float.hh
> -new file mode 100644
> -index 00000000..e0d5dd53
> ---- /dev/null
> -+++ b/src/fast_float.hh
> -@@ -0,0 +1,3869 @@
> -+// fast_float by Daniel Lemire
> -+// fast_float by João Paulo Magalhaes
> -+//
> -+//
> -+// with contributions from Eugene Golushkov
> -+// with contributions from Maksim Kita
> -+// with contributions from Marcin Wojdyr
> -+// with contributions from Neal Richardson
> -+// with contributions from Tim Paine
> -+// with contributions from Fabio Pellacini
> -+// with contributions from Lénárd Szolnoki
> -+// with contributions from Jan Pharago
> -+// with contributions from Maya Warrier
> -+// with contributions from Taha Khokhar
> -+//
> -+//
> -+// MIT License Notice
> -+//
> -+//    MIT License
> -+//
> -+//    Copyright (c) 2021 The fast_float authors
> -+//
> -+//    Permission is hereby granted, free of charge, to any
> -+//    person obtaining a copy of this software and associated
> -+//    documentation files (the "Software"), to deal in the
> -+//    Software without restriction, including without
> -+//    limitation the rights to use, copy, modify, merge,
> -+//    publish, distribute, sublicense, and/or sell copies of
> -+//    the Software, and to permit persons to whom the Software
> -+//    is furnished to do so, subject to the following
> -+//    conditions:
> -+//
> -+//    The above copyright notice and this permission notice
> -+//    shall be included in all copies or substantial portions
> -+//    of the Software.
> -+//
> -+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
> -+//    ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
> -+//    TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
> -+//    PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
> -+//    SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
> -+//    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
> -+//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
> -+//    IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> -+//    DEALINGS IN THE SOFTWARE.
> -+//
> -+
> -+#ifndef FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
> -+#define FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
> -+
> -+#ifdef __has_include
> -+#if __has_include(<version>)
> -+#include <version>
> -+#endif
> -+#endif
> -+
> -+// Testing for https://wg21.link/N3652, adopted in C++14
> -+#if __cpp_constexpr >= 201304
> -+#define FASTFLOAT_CONSTEXPR14 constexpr
> -+#else
> -+#define FASTFLOAT_CONSTEXPR14
> -+#endif
> -+
> -+#if defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806L
> -+#define FASTFLOAT_HAS_BIT_CAST 1
> -+#else
> -+#define FASTFLOAT_HAS_BIT_CAST 0
> -+#endif
> -+
> -+#if defined(__cpp_lib_is_constant_evaluated) &&                                \
> -+    __cpp_lib_is_constant_evaluated >= 201811L
> -+#define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 1
> -+#else
> -+#define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 0
> -+#endif
> -+
> -+// Testing for relevant C++20 constexpr library features
> -+#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED && FASTFLOAT_HAS_BIT_CAST &&           \
> -+    __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/
> -+#define FASTFLOAT_CONSTEXPR20 constexpr
> -+#define FASTFLOAT_IS_CONSTEXPR 1
> -+#else
> -+#define FASTFLOAT_CONSTEXPR20
> -+#define FASTFLOAT_IS_CONSTEXPR 0
> -+#endif
> -+
> -+#if __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
> -+#define FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE 0
> -+#else
> -+#define FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE 1
> -+#endif
> -+
> -+#endif // FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
> -+
> -+#ifndef FASTFLOAT_FLOAT_COMMON_H
> -+#define FASTFLOAT_FLOAT_COMMON_H
> -+
> -+#include <cfloat>
> -+#include <cstdint>
> -+#include <cassert>
> -+#include <cstring>
> -+#include <type_traits>
> -+#include <system_error>
> -+#ifdef __has_include
> -+#if __has_include(<stdfloat>) && (__cplusplus > 202002L || _MSVC_LANG > 202002L)
> -+#include <stdfloat>
> -+#endif
> -+#endif
> -+
> -+namespace fast_float {
> -+
> -+#define FASTFLOAT_JSONFMT (1 << 5)
> -+#define FASTFLOAT_FORTRANFMT (1 << 6)
> -+
> -+enum chars_format {
> -+  scientific = 1 << 0,
> -+  fixed = 1 << 2,
> -+  hex = 1 << 3,
> -+  no_infnan = 1 << 4,
> -+  // RFC 8259: https://datatracker.ietf.org/doc/html/rfc8259#section-6
> -+  json = FASTFLOAT_JSONFMT | fixed | scientific | no_infnan,
> -+  // Extension of RFC 8259 where, e.g., "inf" and "nan" are allowed.
> -+  json_or_infnan = FASTFLOAT_JSONFMT | fixed | scientific,
> -+  fortran = FASTFLOAT_FORTRANFMT | fixed | scientific,
> -+  general = fixed | scientific
> -+};
> -+
> -+template <typename UC> struct from_chars_result_t {
> -+  UC const *ptr;
> -+  std::errc ec;
> -+};
> -+using from_chars_result = from_chars_result_t<char>;
> -+
> -+template <typename UC> struct parse_options_t {
> -+  constexpr explicit parse_options_t(chars_format fmt = chars_format::general,
> -+                                     UC dot = UC('.'))
> -+      : format(fmt), decimal_point(dot) {}
> -+
> -+  /** Which number formats are accepted */
> -+  chars_format format;
> -+  /** The character used as decimal point */
> -+  UC decimal_point;
> -+};
> -+using parse_options = parse_options_t<char>;
> -+
> -+} // namespace fast_float
> -+
> -+#if FASTFLOAT_HAS_BIT_CAST
> -+#include <bit>
> -+#endif
> -+
> -+#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) ||            \
> -+     defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) ||          \
> -+     defined(__MINGW64__) || defined(__s390x__) ||                             \
> -+     (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) ||      \
> -+      defined(__PPC64LE__)) ||                                                 \
> -+     defined(__loongarch64))
> -+#define FASTFLOAT_64BIT 1
> -+#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) ||             \
> -+       defined(__arm__) || defined(_M_ARM) || defined(__ppc__) ||              \
> -+       defined(__MINGW32__) || defined(__EMSCRIPTEN__))
> -+#define FASTFLOAT_32BIT 1
> -+#else
> -+  // Need to check incrementally, since SIZE_MAX is a size_t, avoid overflow.
> -+// We can never tell the register width, but the SIZE_MAX is a good
> -+// approximation. UINTPTR_MAX and INTPTR_MAX are optional, so avoid them for max
> -+// portability.
> -+#if SIZE_MAX == 0xffff
> -+#error Unknown platform (16-bit, unsupported)
> -+#elif SIZE_MAX == 0xffffffff
> -+#define FASTFLOAT_32BIT 1
> -+#elif SIZE_MAX == 0xffffffffffffffff
> -+#define FASTFLOAT_64BIT 1
> -+#else
> -+#error Unknown platform (not 32-bit, not 64-bit?)
> -+#endif
> -+#endif
> -+
> -+#if ((defined(_WIN32) || defined(_WIN64)) && !defined(__clang__)) ||           \
> -+    (defined(_M_ARM64) && !defined(__MINGW32__))
> -+#include <intrin.h>
> -+#endif
> -+
> -+#if defined(_MSC_VER) && !defined(__clang__)
> -+#define FASTFLOAT_VISUAL_STUDIO 1
> -+#endif
> -+
> -+#if defined __BYTE_ORDER__ && defined __ORDER_BIG_ENDIAN__
> -+#define FASTFLOAT_IS_BIG_ENDIAN (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
> -+#elif defined _WIN32
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#else
> -+#if defined(__APPLE__) || defined(__FreeBSD__)
> -+#include <machine/endian.h>
> -+#elif defined(sun) || defined(__sun)
> -+#include <sys/byteorder.h>
> -+#elif defined(__MVS__)
> -+#include <sys/endian.h>
> -+#else
> -+#ifdef __has_include
> -+#if __has_include(<endian.h>)
> -+#include <endian.h>
> -+#endif //__has_include(<endian.h>)
> -+#endif //__has_include
> -+#endif
> -+#
> -+#ifndef __BYTE_ORDER__
> -+// safe choice
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#endif
> -+#
> -+#ifndef __ORDER_LITTLE_ENDIAN__
> -+// safe choice
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#endif
> -+#
> -+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#else
> -+#define FASTFLOAT_IS_BIG_ENDIAN 1
> -+#endif
> -+#endif
> -+
> -+#if defined(__SSE2__) || (defined(FASTFLOAT_VISUAL_STUDIO) &&                  \
> -+                          (defined(_M_AMD64) || defined(_M_X64) ||             \
> -+                           (defined(_M_IX86_FP) && _M_IX86_FP == 2)))
> -+#define FASTFLOAT_SSE2 1
> -+#endif
> -+
> -+#if defined(__aarch64__) || defined(_M_ARM64)
> -+#define FASTFLOAT_NEON 1
> -+#endif
> -+
> -+#if defined(FASTFLOAT_SSE2) || defined(FASTFLOAT_NEON)
> -+#define FASTFLOAT_HAS_SIMD 1
> -+#endif
> -+
> -+#if defined(__GNUC__)
> -+// disable -Wcast-align=strict (GCC only)
> -+#define FASTFLOAT_SIMD_DISABLE_WARNINGS                                        \
> -+  _Pragma("GCC diagnostic push")                                               \
> -+      _Pragma("GCC diagnostic ignored \"-Wcast-align\"")
> -+#else
> -+#define FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+#endif
> -+
> -+#if defined(__GNUC__)
> -+#define FASTFLOAT_SIMD_RESTORE_WARNINGS _Pragma("GCC diagnostic pop")
> -+#else
> -+#define FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+#endif
> -+
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#define fastfloat_really_inline __forceinline
> -+#else
> -+#define fastfloat_really_inline inline __attribute__((always_inline))
> -+#endif
> -+
> -+#ifndef FASTFLOAT_ASSERT
> -+#define FASTFLOAT_ASSERT(x)                                                    \
> -+  { ((void)(x)); }
> -+#endif
> -+
> -+#ifndef FASTFLOAT_DEBUG_ASSERT
> -+#define FASTFLOAT_DEBUG_ASSERT(x)                                              \
> -+  { ((void)(x)); }
> -+#endif
> -+
> -+// rust style `try!()` macro, or `?` operator
> -+#define FASTFLOAT_TRY(x)                                                       \
> -+  {                                                                            \
> -+    if (!(x))                                                                  \
> -+      return false;                                                            \
> -+  }
> -+
> -+#define FASTFLOAT_ENABLE_IF(...)                                               \
> -+  typename std::enable_if<(__VA_ARGS__), int>::type
> -+
> -+namespace fast_float {
> -+
> -+fastfloat_really_inline constexpr bool cpp20_and_in_constexpr() {
> -+#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED
> -+  return std::is_constant_evaluated();
> -+#else
> -+  return false;
> -+#endif
> -+}
> -+
> -+template <typename T>
> -+fastfloat_really_inline constexpr bool is_supported_float_type() {
> -+  return std::is_same<T, float>::value || std::is_same<T, double>::value
> -+#if __STDCPP_FLOAT32_T__
> -+         || std::is_same<T, std::float32_t>::value
> -+#endif
> -+#if __STDCPP_FLOAT64_T__
> -+         || std::is_same<T, std::float64_t>::value
> -+#endif
> -+      ;
> -+}
> -+
> -+template <typename UC>
> -+fastfloat_really_inline constexpr bool is_supported_char_type() {
> -+  return std::is_same<UC, char>::value || std::is_same<UC, wchar_t>::value ||
> -+         std::is_same<UC, char16_t>::value || std::is_same<UC, char32_t>::value;
> -+}
> -+
> -+// Compares two ASCII strings in a case insensitive manner.
> -+template <typename UC>
> -+inline FASTFLOAT_CONSTEXPR14 bool
> -+fastfloat_strncasecmp(UC const *input1, UC const *input2, size_t length) {
> -+  char running_diff{0};
> -+  for (size_t i = 0; i < length; ++i) {
> -+    running_diff |= (char(input1[i]) ^ char(input2[i]));
> -+  }
> -+  return (running_diff == 0) || (running_diff == 32);
> -+}
> -+
> -+#ifndef FLT_EVAL_METHOD
> -+#error "FLT_EVAL_METHOD should be defined, please include cfloat."
> -+#endif
> -+
> -+// a pointer and a length to a contiguous block of memory
> -+template <typename T> struct span {
> -+  const T *ptr;
> -+  size_t length;
> -+  constexpr span(const T *_ptr, size_t _length) : ptr(_ptr), length(_length) {}
> -+  constexpr span() : ptr(nullptr), length(0) {}
> -+
> -+  constexpr size_t len() const noexcept { return length; }
> -+
> -+  FASTFLOAT_CONSTEXPR14 const T &operator[](size_t index) const noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    return ptr[index];
> -+  }
> -+};
> -+
> -+struct value128 {
> -+  uint64_t low;
> -+  uint64_t high;
> -+  constexpr value128(uint64_t _low, uint64_t _high) : low(_low), high(_high) {}
> -+  constexpr value128() : low(0), high(0) {}
> -+};
> -+
> -+/* Helper C++14 constexpr generic implementation of leading_zeroes */
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int
> -+leading_zeroes_generic(uint64_t input_num, int last_bit = 0) {
> -+  if (input_num & uint64_t(0xffffffff00000000)) {
> -+    input_num >>= 32;
> -+    last_bit |= 32;
> -+  }
> -+  if (input_num & uint64_t(0xffff0000)) {
> -+    input_num >>= 16;
> -+    last_bit |= 16;
> -+  }
> -+  if (input_num & uint64_t(0xff00)) {
> -+    input_num >>= 8;
> -+    last_bit |= 8;
> -+  }
> -+  if (input_num & uint64_t(0xf0)) {
> -+    input_num >>= 4;
> -+    last_bit |= 4;
> -+  }
> -+  if (input_num & uint64_t(0xc)) {
> -+    input_num >>= 2;
> -+    last_bit |= 2;
> -+  }
> -+  if (input_num & uint64_t(0x2)) { /* input_num >>=  1; */
> -+    last_bit |= 1;
> -+  }
> -+  return 63 - last_bit;
> -+}
> -+
> -+/* result might be undefined when input_num is zero */
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 int
> -+leading_zeroes(uint64_t input_num) {
> -+  assert(input_num > 0);
> -+  if (cpp20_and_in_constexpr()) {
> -+    return leading_zeroes_generic(input_num);
> -+  }
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#if defined(_M_X64) || defined(_M_ARM64)
> -+  unsigned long leading_zero = 0;
> -+  // Search the mask data from most significant bit (MSB)
> -+  // to least significant bit (LSB) for a set bit (1).
> -+  _BitScanReverse64(&leading_zero, input_num);
> -+  return (int)(63 - leading_zero);
> -+#else
> -+  return leading_zeroes_generic(input_num);
> -+#endif
> -+#else
> -+  return __builtin_clzll(input_num);
> -+#endif
> -+}
> -+
> -+// slow emulation routine for 32-bit
> -+fastfloat_really_inline constexpr uint64_t emulu(uint32_t x, uint32_t y) {
> -+  return x * (uint64_t)y;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t
> -+umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) {
> -+  uint64_t ad = emulu((uint32_t)(ab >> 32), (uint32_t)cd);
> -+  uint64_t bd = emulu((uint32_t)ab, (uint32_t)cd);
> -+  uint64_t adbc = ad + emulu((uint32_t)ab, (uint32_t)(cd >> 32));
> -+  uint64_t adbc_carry = (uint64_t)(adbc < ad);
> -+  uint64_t lo = bd + (adbc << 32);
> -+  *hi = emulu((uint32_t)(ab >> 32), (uint32_t)(cd >> 32)) + (adbc >> 32) +
> -+        (adbc_carry << 32) + (uint64_t)(lo < bd);
> -+  return lo;
> -+}
> -+
> -+#ifdef FASTFLOAT_32BIT
> -+
> -+// slow emulation routine for 32-bit
> -+#if !defined(__MINGW64__)
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t _umul128(uint64_t ab,
> -+                                                                uint64_t cd,
> -+                                                                uint64_t *hi) {
> -+  return umul128_generic(ab, cd, hi);
> -+}
> -+#endif // !__MINGW64__
> -+
> -+#endif // FASTFLOAT_32BIT
> -+
> -+// compute 64-bit a*b
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128
> -+full_multiplication(uint64_t a, uint64_t b) {
> -+  if (cpp20_and_in_constexpr()) {
> -+    value128 answer;
> -+    answer.low = umul128_generic(a, b, &answer.high);
> -+    return answer;
> -+  }
> -+  value128 answer;
> -+#if defined(_M_ARM64) && !defined(__MINGW32__)
> -+  // ARM64 has native support for 64-bit multiplications, no need to emulate
> -+  // But MinGW on ARM64 doesn't have native support for 64-bit multiplications
> -+  answer.high = __umulh(a, b);
> -+  answer.low = a * b;
> -+#elif defined(FASTFLOAT_32BIT) ||                                              \
> -+    (defined(_WIN64) && !defined(__clang__) && !defined(_M_ARM64))
> -+  answer.low = _umul128(a, b, &answer.high); // _umul128 not available on ARM64
> -+#elif defined(FASTFLOAT_64BIT) && defined(__SIZEOF_INT128__)
> -+  __uint128_t r = ((__uint128_t)a) * b;
> -+  answer.low = uint64_t(r);
> -+  answer.high = uint64_t(r >> 64);
> -+#else
> -+  answer.low = umul128_generic(a, b, &answer.high);
> -+#endif
> -+  return answer;
> -+}
> -+
> -+struct adjusted_mantissa {
> -+  uint64_t mantissa{0};
> -+  int32_t power2{0}; // a negative value indicates an invalid result
> -+  adjusted_mantissa() = default;
> -+  constexpr bool operator==(const adjusted_mantissa &o) const {
> -+    return mantissa == o.mantissa && power2 == o.power2;
> -+  }
> -+  constexpr bool operator!=(const adjusted_mantissa &o) const {
> -+    return mantissa != o.mantissa || power2 != o.power2;
> -+  }
> -+};
> -+
> -+// Bias so we can get the real exponent with an invalid adjusted_mantissa.
> -+constexpr static int32_t invalid_am_bias = -0x8000;
> -+
> -+// used for binary_format_lookup_tables<T>::max_mantissa
> -+constexpr uint64_t constant_55555 = 5 * 5 * 5 * 5 * 5;
> -+
> -+template <typename T, typename U = void> struct binary_format_lookup_tables;
> -+
> -+template <typename T> struct binary_format : binary_format_lookup_tables<T> {
> -+  using equiv_uint =
> -+      typename std::conditional<sizeof(T) == 4, uint32_t, uint64_t>::type;
> -+
> -+  static inline constexpr int mantissa_explicit_bits();
> -+  static inline constexpr int minimum_exponent();
> -+  static inline constexpr int infinite_power();
> -+  static inline constexpr int sign_index();
> -+  static inline constexpr int
> -+  min_exponent_fast_path(); // used when fegetround() == FE_TONEAREST
> -+  static inline constexpr int max_exponent_fast_path();
> -+  static inline constexpr int max_exponent_round_to_even();
> -+  static inline constexpr int min_exponent_round_to_even();
> -+  static inline constexpr uint64_t max_mantissa_fast_path(int64_t power);
> -+  static inline constexpr uint64_t
> -+  max_mantissa_fast_path(); // used when fegetround() == FE_TONEAREST
> -+  static inline constexpr int largest_power_of_ten();
> -+  static inline constexpr int smallest_power_of_ten();
> -+  static inline constexpr T exact_power_of_ten(int64_t power);
> -+  static inline constexpr size_t max_digits();
> -+  static inline constexpr equiv_uint exponent_mask();
> -+  static inline constexpr equiv_uint mantissa_mask();
> -+  static inline constexpr equiv_uint hidden_bit_mask();
> -+};
> -+
> -+template <typename U> struct binary_format_lookup_tables<double, U> {
> -+  static constexpr double powers_of_ten[] = {
> -+      1e0,  1e1,  1e2,  1e3,  1e4,  1e5,  1e6,  1e7,  1e8,  1e9,  1e10, 1e11,
> -+      1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, 1e20, 1e21, 1e22};
> -+
> -+  // Largest integer value v so that (5**index * v) <= 1<<53.
> -+  // 0x20000000000000 == 1 << 53
> -+  static constexpr uint64_t max_mantissa[] = {
> -+      0x20000000000000,
> -+      0x20000000000000 / 5,
> -+      0x20000000000000 / (5 * 5),
> -+      0x20000000000000 / (5 * 5 * 5),
> -+      0x20000000000000 / (5 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555),
> -+      0x20000000000000 / (constant_55555 * 5),
> -+      0x20000000000000 / (constant_55555 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * 5 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 * constant_55555),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
> -+                          constant_55555 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
> -+                          constant_55555 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
> -+                          constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
> -+                          constant_55555 * 5 * 5 * 5 * 5)};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename U>
> -+constexpr double binary_format_lookup_tables<double, U>::powers_of_ten[];
> -+
> -+template <typename U>
> -+constexpr uint64_t binary_format_lookup_tables<double, U>::max_mantissa[];
> -+
> -+#endif
> -+
> -+template <typename U> struct binary_format_lookup_tables<float, U> {
> -+  static constexpr float powers_of_ten[] = {1e0f, 1e1f, 1e2f, 1e3f, 1e4f, 1e5f,
> -+                                            1e6f, 1e7f, 1e8f, 1e9f, 1e10f};
> -+
> -+  // Largest integer value v so that (5**index * v) <= 1<<24.
> -+  // 0x1000000 == 1<<24
> -+  static constexpr uint64_t max_mantissa[] = {
> -+      0x1000000,
> -+      0x1000000 / 5,
> -+      0x1000000 / (5 * 5),
> -+      0x1000000 / (5 * 5 * 5),
> -+      0x1000000 / (5 * 5 * 5 * 5),
> -+      0x1000000 / (constant_55555),
> -+      0x1000000 / (constant_55555 * 5),
> -+      0x1000000 / (constant_55555 * 5 * 5),
> -+      0x1000000 / (constant_55555 * 5 * 5 * 5),
> -+      0x1000000 / (constant_55555 * 5 * 5 * 5 * 5),
> -+      0x1000000 / (constant_55555 * constant_55555),
> -+      0x1000000 / (constant_55555 * constant_55555 * 5)};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename U>
> -+constexpr float binary_format_lookup_tables<float, U>::powers_of_ten[];
> -+
> -+template <typename U>
> -+constexpr uint64_t binary_format_lookup_tables<float, U>::max_mantissa[];
> -+
> -+#endif
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::min_exponent_fast_path() {
> -+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
> -+  return 0;
> -+#else
> -+  return -22;
> -+#endif
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<float>::min_exponent_fast_path() {
> -+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
> -+  return 0;
> -+#else
> -+  return -10;
> -+#endif
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::mantissa_explicit_bits() {
> -+  return 52;
> -+}
> -+template <>
> -+inline constexpr int binary_format<float>::mantissa_explicit_bits() {
> -+  return 23;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::max_exponent_round_to_even() {
> -+  return 23;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<float>::max_exponent_round_to_even() {
> -+  return 10;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::min_exponent_round_to_even() {
> -+  return -4;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<float>::min_exponent_round_to_even() {
> -+  return -17;
> -+}
> -+
> -+template <> inline constexpr int binary_format<double>::minimum_exponent() {
> -+  return -1023;
> -+}
> -+template <> inline constexpr int binary_format<float>::minimum_exponent() {
> -+  return -127;
> -+}
> -+
> -+template <> inline constexpr int binary_format<double>::infinite_power() {
> -+  return 0x7FF;
> -+}
> -+template <> inline constexpr int binary_format<float>::infinite_power() {
> -+  return 0xFF;
> -+}
> -+
> -+template <> inline constexpr int binary_format<double>::sign_index() {
> -+  return 63;
> -+}
> -+template <> inline constexpr int binary_format<float>::sign_index() {
> -+  return 31;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::max_exponent_fast_path() {
> -+  return 22;
> -+}
> -+template <>
> -+inline constexpr int binary_format<float>::max_exponent_fast_path() {
> -+  return 10;
> -+}
> -+
> -+template <>
> -+inline constexpr uint64_t binary_format<double>::max_mantissa_fast_path() {
> -+  return uint64_t(2) << mantissa_explicit_bits();
> -+}
> -+template <>
> -+inline constexpr uint64_t
> -+binary_format<double>::max_mantissa_fast_path(int64_t power) {
> -+  // caller is responsible to ensure that
> -+  // power >= 0 && power <= 22
> -+  //
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)max_mantissa[0], max_mantissa[power];
> -+}
> -+template <>
> -+inline constexpr uint64_t binary_format<float>::max_mantissa_fast_path() {
> -+  return uint64_t(2) << mantissa_explicit_bits();
> -+}
> -+template <>
> -+inline constexpr uint64_t
> -+binary_format<float>::max_mantissa_fast_path(int64_t power) {
> -+  // caller is responsible to ensure that
> -+  // power >= 0 && power <= 10
> -+  //
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)max_mantissa[0], max_mantissa[power];
> -+}
> -+
> -+template <>
> -+inline constexpr double
> -+binary_format<double>::exact_power_of_ten(int64_t power) {
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)powers_of_ten[0], powers_of_ten[power];
> -+}
> -+template <>
> -+inline constexpr float binary_format<float>::exact_power_of_ten(int64_t power) {
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)powers_of_ten[0], powers_of_ten[power];
> -+}
> -+
> -+template <> inline constexpr int binary_format<double>::largest_power_of_ten() {
> -+  return 308;
> -+}
> -+template <> inline constexpr int binary_format<float>::largest_power_of_ten() {
> -+  return 38;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::smallest_power_of_ten() {
> -+  return -342;
> -+}
> -+template <> inline constexpr int binary_format<float>::smallest_power_of_ten() {
> -+  return -64;
> -+}
> -+
> -+template <> inline constexpr size_t binary_format<double>::max_digits() {
> -+  return 769;
> -+}
> -+template <> inline constexpr size_t binary_format<float>::max_digits() {
> -+  return 114;
> -+}
> -+
> -+template <>
> -+inline constexpr binary_format<float>::equiv_uint
> -+binary_format<float>::exponent_mask() {
> -+  return 0x7F800000;
> -+}
> -+template <>
> -+inline constexpr binary_format<double>::equiv_uint
> -+binary_format<double>::exponent_mask() {
> -+  return 0x7FF0000000000000;
> -+}
> -+
> -+template <>
> -+inline constexpr binary_format<float>::equiv_uint
> -+binary_format<float>::mantissa_mask() {
> -+  return 0x007FFFFF;
> -+}
> -+template <>
> -+inline constexpr binary_format<double>::equiv_uint
> -+binary_format<double>::mantissa_mask() {
> -+  return 0x000FFFFFFFFFFFFF;
> -+}
> -+
> -+template <>
> -+inline constexpr binary_format<float>::equiv_uint
> -+binary_format<float>::hidden_bit_mask() {
> -+  return 0x00800000;
> -+}
> -+template <>
> -+inline constexpr binary_format<double>::equiv_uint
> -+binary_format<double>::hidden_bit_mask() {
> -+  return 0x0010000000000000;
> -+}
> -+
> -+template <typename T>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+to_float(bool negative, adjusted_mantissa am, T &value) {
> -+  using fastfloat_uint = typename binary_format<T>::equiv_uint;
> -+  fastfloat_uint word = (fastfloat_uint)am.mantissa;
> -+  word |= fastfloat_uint(am.power2)
> -+          << binary_format<T>::mantissa_explicit_bits();
> -+  word |= fastfloat_uint(negative) << binary_format<T>::sign_index();
> -+#if FASTFLOAT_HAS_BIT_CAST
> -+  value = std::bit_cast<T>(word);
> -+#else
> -+  ::memcpy(&value, &word, sizeof(T));
> -+#endif
> -+}
> -+
> -+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
> -+template <typename = void> struct space_lut {
> -+  static constexpr bool value[] = {
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename T> constexpr bool space_lut<T>::value[];
> -+
> -+#endif
> -+
> -+inline constexpr bool is_space(uint8_t c) { return space_lut<>::value[c]; }
> -+#endif
> -+
> -+template <typename UC> static constexpr uint64_t int_cmp_zeros() {
> -+  static_assert((sizeof(UC) == 1) || (sizeof(UC) == 2) || (sizeof(UC) == 4),
> -+                "Unsupported character size");
> -+  return (sizeof(UC) == 1) ? 0x3030303030303030
> -+         : (sizeof(UC) == 2)
> -+             ? (uint64_t(UC('0')) << 48 | uint64_t(UC('0')) << 32 |
> -+                uint64_t(UC('0')) << 16 | UC('0'))
> -+             : (uint64_t(UC('0')) << 32 | UC('0'));
> -+}
> -+template <typename UC> static constexpr int int_cmp_len() {
> -+  return sizeof(uint64_t) / sizeof(UC);
> -+}
> -+template <typename UC> static constexpr UC const *str_const_nan() {
> -+  return nullptr;
> -+}
> -+template <> constexpr char const *str_const_nan<char>() { return "nan"; }
> -+template <> constexpr wchar_t const *str_const_nan<wchar_t>() { return L"nan"; }
> -+template <> constexpr char16_t const *str_const_nan<char16_t>() {
> -+  return u"nan";
> -+}
> -+template <> constexpr char32_t const *str_const_nan<char32_t>() {
> -+  return U"nan";
> -+}
> -+template <typename UC> static constexpr UC const *str_const_inf() {
> -+  return nullptr;
> -+}
> -+template <> constexpr char const *str_const_inf<char>() { return "infinity"; }
> -+template <> constexpr wchar_t const *str_const_inf<wchar_t>() {
> -+  return L"infinity";
> -+}
> -+template <> constexpr char16_t const *str_const_inf<char16_t>() {
> -+  return u"infinity";
> -+}
> -+template <> constexpr char32_t const *str_const_inf<char32_t>() {
> -+  return U"infinity";
> -+}
> -+
> -+template <typename = void> struct int_luts {
> -+  static constexpr uint8_t chdigit[] = {
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   255, 255,
> -+      255, 255, 255, 255, 255, 10,  11,  12,  13,  14,  15,  16,  17,  18,  19,
> -+      20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,
> -+      35,  255, 255, 255, 255, 255, 255, 10,  11,  12,  13,  14,  15,  16,  17,
> -+      18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,
> -+      33,  34,  35,  255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> -+      255};
> -+
> -+  static constexpr size_t maxdigits_u64[] = {
> -+      64, 41, 32, 28, 25, 23, 22, 21, 20, 19, 18, 18, 17, 17, 16, 16, 16, 16,
> -+      15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13};
> -+
> -+  static constexpr uint64_t min_safe_u64[] = {
> -+      9223372036854775808ull,  12157665459056928801ull, 4611686018427387904,
> -+      7450580596923828125,     4738381338321616896,     3909821048582988049,
> -+      9223372036854775808ull,  12157665459056928801ull, 10000000000000000000ull,
> -+      5559917313492231481,     2218611106740436992,     8650415919381337933,
> -+      2177953337809371136,     6568408355712890625,     1152921504606846976,
> -+      2862423051509815793,     6746640616477458432,     15181127029874798299ull,
> -+      1638400000000000000,     3243919932521508681,     6221821273427820544,
> -+      11592836324538749809ull, 876488338465357824,      1490116119384765625,
> -+      2481152873203736576,     4052555153018976267,     6502111422497947648,
> -+      10260628712958602189ull, 15943230000000000000ull, 787662783788549761,
> -+      1152921504606846976,     1667889514952984961,     2386420683693101056,
> -+      3379220508056640625,     4738381338321616896};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename T> constexpr uint8_t int_luts<T>::chdigit[];
> -+
> -+template <typename T> constexpr size_t int_luts<T>::maxdigits_u64[];
> -+
> -+template <typename T> constexpr uint64_t int_luts<T>::min_safe_u64[];
> -+
> -+#endif
> -+
> -+template <typename UC>
> -+fastfloat_really_inline constexpr uint8_t ch_to_digit(UC c) {
> -+  return int_luts<>::chdigit[static_cast<unsigned char>(c)];
> -+}
> -+
> -+fastfloat_really_inline constexpr size_t max_digits_u64(int base) {
> -+  return int_luts<>::maxdigits_u64[base - 2];
> -+}
> -+
> -+// If a u64 is exactly max_digits_u64() in length, this is
> -+// the value below which it has definitely overflowed.
> -+fastfloat_really_inline constexpr uint64_t min_safe_u64(int base) {
> -+  return int_luts<>::min_safe_u64[base - 2];
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+
> -+#ifndef FASTFLOAT_FAST_FLOAT_H
> -+#define FASTFLOAT_FAST_FLOAT_H
> -+
> -+
> -+namespace fast_float {
> -+/**
> -+ * This function parses the character sequence [first,last) for a number. It
> -+ * parses floating-point numbers expecting a locale-indepent format equivalent
> -+ * to what is used by std::strtod in the default ("C") locale. The resulting
> -+ * floating-point value is the closest floating-point values (using either float
> -+ * or double), using the "round to even" convention for values that would
> -+ * otherwise fall right in-between two values. That is, we provide exact parsing
> -+ * according to the IEEE standard.
> -+ *
> -+ * Given a successful parse, the pointer (`ptr`) in the returned value is set to
> -+ * point right after the parsed number, and the `value` referenced is set to the
> -+ * parsed value. In case of error, the returned `ec` contains a representative
> -+ * error, otherwise the default (`std::errc()`) value is stored.
> -+ *
> -+ * The implementation does not throw and does not allocate memory (e.g., with
> -+ * `new` or `malloc`).
> -+ *
> -+ * Like the C++17 standard, the `fast_float::from_chars` functions take an
> -+ * optional last argument of the type `fast_float::chars_format`. It is a bitset
> -+ * value: we check whether `fmt & fast_float::chars_format::fixed` and `fmt &
> -+ * fast_float::chars_format::scientific` are set to determine whether we allow
> -+ * the fixed point and scientific notation respectively. The default is
> -+ * `fast_float::chars_format::general` which allows both `fixed` and
> -+ * `scientific`.
> -+ */
> -+template <typename T, typename UC = char,
> -+          typename = FASTFLOAT_ENABLE_IF(is_supported_float_type<T>())>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value,
> -+           chars_format fmt = chars_format::general) noexcept;
> -+
> -+/**
> -+ * Like from_chars, but accepts an `options` argument to govern number parsing.
> -+ */
> -+template <typename T, typename UC = char>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars_advanced(UC const *first, UC const *last, T &value,
> -+                    parse_options_t<UC> options) noexcept;
> -+/**
> -+ * from_chars for integer types.
> -+ */
> -+template <typename T, typename UC = char,
> -+          typename = FASTFLOAT_ENABLE_IF(!is_supported_float_type<T>())>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value, int base = 10) noexcept;
> -+
> -+} // namespace fast_float
> -+#endif // FASTFLOAT_FAST_FLOAT_H
> -+
> -+#ifndef FASTFLOAT_ASCII_NUMBER_H
> -+#define FASTFLOAT_ASCII_NUMBER_H
> -+
> -+#include <cctype>
> -+#include <cstdint>
> -+#include <cstring>
> -+#include <iterator>
> -+#include <limits>
> -+#include <type_traits>
> -+
> -+
> -+#ifdef FASTFLOAT_SSE2
> -+#include <emmintrin.h>
> -+#endif
> -+
> -+#ifdef FASTFLOAT_NEON
> -+#include <arm_neon.h>
> -+#endif
> -+
> -+namespace fast_float {
> -+
> -+template <typename UC> fastfloat_really_inline constexpr bool has_simd_opt() {
> -+#ifdef FASTFLOAT_HAS_SIMD
> -+  return std::is_same<UC, char16_t>::value;
> -+#else
> -+  return false;
> -+#endif
> -+}
> -+
> -+// Next function can be micro-optimized, but compilers are entirely
> -+// able to optimize it well.
> -+template <typename UC>
> -+fastfloat_really_inline constexpr bool is_integer(UC c) noexcept {
> -+  return !(c > UC('9') || c < UC('0'));
> -+}
> -+
> -+fastfloat_really_inline constexpr uint64_t byteswap(uint64_t val) {
> -+  return (val & 0xFF00000000000000) >> 56 | (val & 0x00FF000000000000) >> 40 |
> -+         (val & 0x0000FF0000000000) >> 24 | (val & 0x000000FF00000000) >> 8 |
> -+         (val & 0x00000000FF000000) << 8 | (val & 0x0000000000FF0000) << 24 |
> -+         (val & 0x000000000000FF00) << 40 | (val & 0x00000000000000FF) << 56;
> -+}
> -+
> -+// Read 8 UC into a u64. Truncates UC if not char.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+read8_to_u64(const UC *chars) {
> -+  if (cpp20_and_in_constexpr() || !std::is_same<UC, char>::value) {
> -+    uint64_t val = 0;
> -+    for (int i = 0; i < 8; ++i) {
> -+      val |= uint64_t(uint8_t(*chars)) << (i * 8);
> -+      ++chars;
> -+    }
> -+    return val;
> -+  }
> -+  uint64_t val;
> -+  ::memcpy(&val, chars, sizeof(uint64_t));
> -+#if FASTFLOAT_IS_BIG_ENDIAN == 1
> -+  // Need to read as-if the number was in little-endian order.
> -+  val = byteswap(val);
> -+#endif
> -+  return val;
> -+}
> -+
> -+#ifdef FASTFLOAT_SSE2
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const __m128i data) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  const __m128i packed = _mm_packus_epi16(data, data);
> -+#ifdef FASTFLOAT_64BIT
> -+  return uint64_t(_mm_cvtsi128_si64(packed));
> -+#else
> -+  uint64_t value;
> -+  // Visual Studio + older versions of GCC don't support _mm_storeu_si64
> -+  _mm_storel_epi64(reinterpret_cast<__m128i *>(&value), packed);
> -+  return value;
> -+#endif
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  return simd_read8_to_u64(
> -+      _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars)));
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+#elif defined(FASTFLOAT_NEON)
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const uint16x8_t data) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  uint8x8_t utf8_packed = vmovn_u16(data);
> -+  return vget_lane_u64(vreinterpret_u64_u8(utf8_packed), 0);
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  return simd_read8_to_u64(
> -+      vld1q_u16(reinterpret_cast<const uint16_t *>(chars)));
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+#endif // FASTFLOAT_SSE2
> -+
> -+// MSVC SFINAE is broken pre-VS2017
> -+#if defined(_MSC_VER) && _MSC_VER <= 1900
> -+template <typename UC>
> -+#else
> -+template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0>
> -+#endif
> -+// dummy for compile
> -+uint64_t simd_read8_to_u64(UC const *) {
> -+  return 0;
> -+}
> -+
> -+// credit  @aqrit
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint32_t
> -+parse_eight_digits_unrolled(uint64_t val) {
> -+  const uint64_t mask = 0x000000FF000000FF;
> -+  const uint64_t mul1 = 0x000F424000000064; // 100 + (1000000ULL << 32)
> -+  const uint64_t mul2 = 0x0000271000000001; // 1 + (10000ULL << 32)
> -+  val -= 0x3030303030303030;
> -+  val = (val * 10) + (val >> 8); // val = (val * 2561) >> 8;
> -+  val = (((val & mask) * mul1) + (((val >> 16) & mask) * mul2)) >> 32;
> -+  return uint32_t(val);
> -+}
> -+
> -+// Call this if chars are definitely 8 digits.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint32_t
> -+parse_eight_digits_unrolled(UC const *chars) noexcept {
> -+  if (cpp20_and_in_constexpr() || !has_simd_opt<UC>()) {
> -+    return parse_eight_digits_unrolled(read8_to_u64(chars)); // truncation okay
> -+  }
> -+  return parse_eight_digits_unrolled(simd_read8_to_u64(chars));
> -+}
> -+
> -+// credit @aqrit
> -+fastfloat_really_inline constexpr bool
> -+is_made_of_eight_digits_fast(uint64_t val) noexcept {
> -+  return !((((val + 0x4646464646464646) | (val - 0x3030303030303030)) &
> -+            0x8080808080808080));
> -+}
> -+
> -+#ifdef FASTFLOAT_HAS_SIMD
> -+
> -+// Call this if chars might not be 8 digits.
> -+// Using this style (instead of is_made_of_eight_digits_fast() then
> -+// parse_eight_digits_unrolled()) ensures we don't load SIMD registers twice.
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+simd_parse_if_eight_digits_unrolled(const char16_t *chars,
> -+                                    uint64_t &i) noexcept {
> -+  if (cpp20_and_in_constexpr()) {
> -+    return false;
> -+  }
> -+#ifdef FASTFLOAT_SSE2
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  const __m128i data =
> -+      _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars));
> -+
> -+  // (x - '0') <= 9
> -+  // http://0x80.pl/articles/simd-parsing-int-sequences.html
> -+  const __m128i t0 = _mm_add_epi16(data, _mm_set1_epi16(32720));
> -+  const __m128i t1 = _mm_cmpgt_epi16(t0, _mm_set1_epi16(-32759));
> -+
> -+  if (_mm_movemask_epi8(t1) == 0) {
> -+    i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data));
> -+    return true;
> -+  } else
> -+    return false;
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+#elif defined(FASTFLOAT_NEON)
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  const uint16x8_t data = vld1q_u16(reinterpret_cast<const uint16_t *>(chars));
> -+
> -+  // (x - '0') <= 9
> -+  // http://0x80.pl/articles/simd-parsing-int-sequences.html
> -+  const uint16x8_t t0 = vsubq_u16(data, vmovq_n_u16('0'));
> -+  const uint16x8_t mask = vcltq_u16(t0, vmovq_n_u16('9' - '0' + 1));
> -+
> -+  if (vminvq_u16(mask) == 0xFFFF) {
> -+    i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data));
> -+    return true;
> -+  } else
> -+    return false;
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+#else
> -+  (void)chars;
> -+  (void)i;
> -+  return false;
> -+#endif // FASTFLOAT_SSE2
> -+}
> -+
> -+#endif // FASTFLOAT_HAS_SIMD
> -+
> -+// MSVC SFINAE is broken pre-VS2017
> -+#if defined(_MSC_VER) && _MSC_VER <= 1900
> -+template <typename UC>
> -+#else
> -+template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0>
> -+#endif
> -+// dummy for compile
> -+bool simd_parse_if_eight_digits_unrolled(UC const *, uint64_t &) {
> -+  return 0;
> -+}
> -+
> -+template <typename UC, FASTFLOAT_ENABLE_IF(!std::is_same<UC, char>::value) = 0>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+loop_parse_if_eight_digits(const UC *&p, const UC *const pend, uint64_t &i) {
> -+  if (!has_simd_opt<UC>()) {
> -+    return;
> -+  }
> -+  while ((std::distance(p, pend) >= 8) &&
> -+         simd_parse_if_eight_digits_unrolled(
> -+             p, i)) { // in rare cases, this will overflow, but that's ok
> -+    p += 8;
> -+  }
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+loop_parse_if_eight_digits(const char *&p, const char *const pend,
> -+                           uint64_t &i) {
> -+  // optimizes better than parse_if_eight_digits_unrolled() for UC = char.
> -+  while ((std::distance(p, pend) >= 8) &&
> -+         is_made_of_eight_digits_fast(read8_to_u64(p))) {
> -+    i = i * 100000000 +
> -+        parse_eight_digits_unrolled(read8_to_u64(
> -+            p)); // in rare cases, this will overflow, but that's ok
> -+    p += 8;
> -+  }
> -+}
> -+
> -+enum class parse_error {
> -+  no_error,
> -+  // [JSON-only] The minus sign must be followed by an integer.
> -+  missing_integer_after_sign,
> -+  // A sign must be followed by an integer or dot.
> -+  missing_integer_or_dot_after_sign,
> -+  // [JSON-only] The integer part must not have leading zeros.
> -+  leading_zeros_in_integer_part,
> -+  // [JSON-only] The integer part must have at least one digit.
> -+  no_digits_in_integer_part,
> -+  // [JSON-only] If there is a decimal point, there must be digits in the
> -+  // fractional part.
> -+  no_digits_in_fractional_part,
> -+  // The mantissa must have at least one digit.
> -+  no_digits_in_mantissa,
> -+  // Scientific notation requires an exponential part.
> -+  missing_exponential_part,
> -+};
> -+
> -+template <typename UC> struct parsed_number_string_t {
> -+  int64_t exponent{0};
> -+  uint64_t mantissa{0};
> -+  UC const *lastmatch{nullptr};
> -+  bool negative{false};
> -+  bool valid{false};
> -+  bool too_many_digits{false};
> -+  // contains the range of the significant digits
> -+  span<const UC> integer{};  // non-nullable
> -+  span<const UC> fraction{}; // nullable
> -+  parse_error error{parse_error::no_error};
> -+};
> -+
> -+using byte_span = span<const char>;
> -+using parsed_number_string = parsed_number_string_t<char>;
> -+
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC>
> -+report_parse_error(UC const *p, parse_error error) {
> -+  parsed_number_string_t<UC> answer;
> -+  answer.valid = false;
> -+  answer.lastmatch = p;
> -+  answer.error = error;
> -+  return answer;
> -+}
> -+
> -+// Assuming that you use no more than 19 digits, this will
> -+// parse an ASCII string.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC>
> -+parse_number_string(UC const *p, UC const *pend,
> -+                    parse_options_t<UC> options) noexcept {
> -+  chars_format const fmt = options.format;
> -+  UC const decimal_point = options.decimal_point;
> -+
> -+  parsed_number_string_t<UC> answer;
> -+  answer.valid = false;
> -+  answer.too_many_digits = false;
> -+  answer.negative = (*p == UC('-'));
> -+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
> -+  if ((*p == UC('-')) || (!(fmt & FASTFLOAT_JSONFMT) && *p == UC('+'))) {
> -+#else
> -+  if (*p == UC('-')) { // C++17 20.19.3.(7.1) explicitly forbids '+' sign here
> -+#endif
> -+    ++p;
> -+    if (p == pend) {
> -+      return report_parse_error<UC>(
> -+          p, parse_error::missing_integer_or_dot_after_sign);
> -+    }
> -+    if (fmt & FASTFLOAT_JSONFMT) {
> -+      if (!is_integer(*p)) { // a sign must be followed by an integer
> -+        return report_parse_error<UC>(p,
> -+                                      parse_error::missing_integer_after_sign);
> -+      }
> -+    } else {
> -+      if (!is_integer(*p) &&
> -+          (*p !=
> -+           decimal_point)) { // a sign must be followed by an integer or the dot
> -+        return report_parse_error<UC>(
> -+            p, parse_error::missing_integer_or_dot_after_sign);
> -+      }
> -+    }
> -+  }
> -+  UC const *const start_digits = p;
> -+
> -+  uint64_t i = 0; // an unsigned int avoids signed overflows (which are bad)
> -+
> -+  while ((p != pend) && is_integer(*p)) {
> -+    // a multiplication by 10 is cheaper than an arbitrary integer
> -+    // multiplication
> -+    i = 10 * i +
> -+        uint64_t(*p -
> -+                 UC('0')); // might overflow, we will handle the overflow later
> -+    ++p;
> -+  }
> -+  UC const *const end_of_integer_part = p;
> -+  int64_t digit_count = int64_t(end_of_integer_part - start_digits);
> -+  answer.integer = span<const UC>(start_digits, size_t(digit_count));
> -+  if (fmt & FASTFLOAT_JSONFMT) {
> -+    // at least 1 digit in integer part, without leading zeros
> -+    if (digit_count == 0) {
> -+      return report_parse_error<UC>(p, parse_error::no_digits_in_integer_part);
> -+    }
> -+    if ((start_digits[0] == UC('0') && digit_count > 1)) {
> -+      return report_parse_error<UC>(start_digits,
> -+                                    parse_error::leading_zeros_in_integer_part);
> -+    }
> -+  }
> -+
> -+  int64_t exponent = 0;
> -+  const bool has_decimal_point = (p != pend) && (*p == decimal_point);
> -+  if (has_decimal_point) {
> -+    ++p;
> -+    UC const *before = p;
> -+    // can occur at most twice without overflowing, but let it occur more, since
> -+    // for integers with many digits, digit parsing is the primary bottleneck.
> -+    loop_parse_if_eight_digits(p, pend, i);
> -+
> -+    while ((p != pend) && is_integer(*p)) {
> -+      uint8_t digit = uint8_t(*p - UC('0'));
> -+      ++p;
> -+      i = i * 10 + digit; // in rare cases, this will overflow, but that's ok
> -+    }
> -+    exponent = before - p;
> -+    answer.fraction = span<const UC>(before, size_t(p - before));
> -+    digit_count -= exponent;
> -+  }
> -+  if (fmt & FASTFLOAT_JSONFMT) {
> -+    // at least 1 digit in fractional part
> -+    if (has_decimal_point && exponent == 0) {
> -+      return report_parse_error<UC>(p,
> -+                                    parse_error::no_digits_in_fractional_part);
> -+    }
> -+  } else if (digit_count ==
> -+             0) { // we must have encountered at least one integer!
> -+    return report_parse_error<UC>(p, parse_error::no_digits_in_mantissa);
> -+  }
> -+  int64_t exp_number = 0; // explicit exponential part
> -+  if (((fmt & chars_format::scientific) && (p != pend) &&
> -+       ((UC('e') == *p) || (UC('E') == *p))) ||
> -+      ((fmt & FASTFLOAT_FORTRANFMT) && (p != pend) &&
> -+       ((UC('+') == *p) || (UC('-') == *p) || (UC('d') == *p) ||
> -+        (UC('D') == *p)))) {
> -+    UC const *location_of_e = p;
> -+    if ((UC('e') == *p) || (UC('E') == *p) || (UC('d') == *p) ||
> -+        (UC('D') == *p)) {
> -+      ++p;
> -+    }
> -+    bool neg_exp = false;
> -+    if ((p != pend) && (UC('-') == *p)) {
> -+      neg_exp = true;
> -+      ++p;
> -+    } else if ((p != pend) &&
> -+               (UC('+') ==
> -+                *p)) { // '+' on exponent is allowed by C++17 20.19.3.(7.1)
> -+      ++p;
> -+    }
> -+    if ((p == pend) || !is_integer(*p)) {
> -+      if (!(fmt & chars_format::fixed)) {
> -+        // The exponential part is invalid for scientific notation, so it must
> -+        // be a trailing token for fixed notation. However, fixed notation is
> -+        // disabled, so report a scientific notation error.
> -+        return report_parse_error<UC>(p, parse_error::missing_exponential_part);
> -+      }
> -+      // Otherwise, we will be ignoring the 'e'.
> -+      p = location_of_e;
> -+    } else {
> -+      while ((p != pend) && is_integer(*p)) {
> -+        uint8_t digit = uint8_t(*p - UC('0'));
> -+        if (exp_number < 0x10000000) {
> -+          exp_number = 10 * exp_number + digit;
> -+        }
> -+        ++p;
> -+      }
> -+      if (neg_exp) {
> -+        exp_number = -exp_number;
> -+      }
> -+      exponent += exp_number;
> -+    }
> -+  } else {
> -+    // If it scientific and not fixed, we have to bail out.
> -+    if ((fmt & chars_format::scientific) && !(fmt & chars_format::fixed)) {
> -+      return report_parse_error<UC>(p, parse_error::missing_exponential_part);
> -+    }
> -+  }
> -+  answer.lastmatch = p;
> -+  answer.valid = true;
> -+
> -+  // If we frequently had to deal with long strings of digits,
> -+  // we could extend our code by using a 128-bit integer instead
> -+  // of a 64-bit integer. However, this is uncommon.
> -+  //
> -+  // We can deal with up to 19 digits.
> -+  if (digit_count > 19) { // this is uncommon
> -+    // It is possible that the integer had an overflow.
> -+    // We have to handle the case where we have 0.0000somenumber.
> -+    // We need to be mindful of the case where we only have zeroes...
> -+    // E.g., 0.000000000...000.
> -+    UC const *start = start_digits;
> -+    while ((start != pend) && (*start == UC('0') || *start == decimal_point)) {
> -+      if (*start == UC('0')) {
> -+        digit_count--;
> -+      }
> -+      start++;
> -+    }
> -+
> -+    if (digit_count > 19) {
> -+      answer.too_many_digits = true;
> -+      // Let us start again, this time, avoiding overflows.
> -+      // We don't need to check if is_integer, since we use the
> -+      // pre-tokenized spans from above.
> -+      i = 0;
> -+      p = answer.integer.ptr;
> -+      UC const *int_end = p + answer.integer.len();
> -+      const uint64_t minimal_nineteen_digit_integer{1000000000000000000};
> -+      while ((i < minimal_nineteen_digit_integer) && (p != int_end)) {
> -+        i = i * 10 + uint64_t(*p - UC('0'));
> -+        ++p;
> -+      }
> -+      if (i >= minimal_nineteen_digit_integer) { // We have a big integers
> -+        exponent = end_of_integer_part - p + exp_number;
> -+      } else { // We have a value with a fractional component.
> -+        p = answer.fraction.ptr;
> -+        UC const *frac_end = p + answer.fraction.len();
> -+        while ((i < minimal_nineteen_digit_integer) && (p != frac_end)) {
> -+          i = i * 10 + uint64_t(*p - UC('0'));
> -+          ++p;
> -+        }
> -+        exponent = answer.fraction.ptr - p + exp_number;
> -+      }
> -+      // We have now corrected both exponent and i, to a truncated value
> -+    }
> -+  }
> -+  answer.exponent = exponent;
> -+  answer.mantissa = i;
> -+  return answer;
> -+}
> -+
> -+template <typename T, typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+parse_int_string(UC const *p, UC const *pend, T &value, int base) {
> -+  from_chars_result_t<UC> answer;
> -+
> -+  UC const *const first = p;
> -+
> -+  bool negative = (*p == UC('-'));
> -+  if (!std::is_signed<T>::value && negative) {
> -+    answer.ec = std::errc::invalid_argument;
> -+    answer.ptr = first;
> -+    return answer;
> -+  }
> -+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
> -+  if ((*p == UC('-')) || (*p == UC('+'))) {
> -+#else
> -+  if (*p == UC('-')) {
> -+#endif
> -+    ++p;
> -+  }
> -+
> -+  UC const *const start_num = p;
> -+
> -+  while (p != pend && *p == UC('0')) {
> -+    ++p;
> -+  }
> -+
> -+  const bool has_leading_zeros = p > start_num;
> -+
> -+  UC const *const start_digits = p;
> -+
> -+  uint64_t i = 0;
> -+  if (base == 10) {
> -+    loop_parse_if_eight_digits(p, pend, i); // use SIMD if possible
> -+  }
> -+  while (p != pend) {
> -+    uint8_t digit = ch_to_digit(*p);
> -+    if (digit >= base) {
> -+      break;
> -+    }
> -+    i = uint64_t(base) * i + digit; // might overflow, check this later
> -+    p++;
> -+  }
> -+
> -+  size_t digit_count = size_t(p - start_digits);
> -+
> -+  if (digit_count == 0) {
> -+    if (has_leading_zeros) {
> -+      value = 0;
> -+      answer.ec = std::errc();
> -+      answer.ptr = p;
> -+    } else {
> -+      answer.ec = std::errc::invalid_argument;
> -+      answer.ptr = first;
> -+    }
> -+    return answer;
> -+  }
> -+
> -+  answer.ptr = p;
> -+
> -+  // check u64 overflow
> -+  size_t max_digits = max_digits_u64(base);
> -+  if (digit_count > max_digits) {
> -+    answer.ec = std::errc::result_out_of_range;
> -+    return answer;
> -+  }
> -+  // this check can be eliminated for all other types, but they will all require
> -+  // a max_digits(base) equivalent
> -+  if (digit_count == max_digits && i < min_safe_u64(base)) {
> -+    answer.ec = std::errc::result_out_of_range;
> -+    return answer;
> -+  }
> -+
> -+  // check other types overflow
> -+  if (!std::is_same<T, uint64_t>::value) {
> -+    if (i > uint64_t(std::numeric_limits<T>::max()) + uint64_t(negative)) {
> -+      answer.ec = std::errc::result_out_of_range;
> -+      return answer;
> -+    }
> -+  }
> -+
> -+  if (negative) {
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(push)
> -+#pragma warning(disable : 4146)
> -+#endif
> -+    // this weird workaround is required because:
> -+    // - converting unsigned to signed when its value is greater than signed max
> -+    // is UB pre-C++23.
> -+    // - reinterpret_casting (~i + 1) would work, but it is not constexpr
> -+    // this is always optimized into a neg instruction (note: T is an integer
> -+    // type)
> -+    value = T(-std::numeric_limits<T>::max() -
> -+              T(i - uint64_t(std::numeric_limits<T>::max())));
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(pop)
> -+#endif
> -+  } else {
> -+    value = T(i);
> -+  }
> -+
> -+  answer.ec = std::errc();
> -+  return answer;
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_FAST_TABLE_H
> -+#define FASTFLOAT_FAST_TABLE_H
> -+
> -+#include <cstdint>
> -+
> -+namespace fast_float {
> -+
> -+/**
> -+ * When mapping numbers from decimal to binary,
> -+ * we go from w * 10^q to m * 2^p but we have
> -+ * 10^q = 5^q * 2^q, so effectively
> -+ * we are trying to match
> -+ * w * 2^q * 5^q to m * 2^p. Thus the powers of two
> -+ * are not a concern since they can be represented
> -+ * exactly using the binary notation, only the powers of five
> -+ * affect the binary significand.
> -+ */
> -+
> -+/**
> -+ * The smallest non-zero float (binary64) is 2^-1074.
> -+ * We take as input numbers of the form w x 10^q where w < 2^64.
> -+ * We have that w * 10^-343  <  2^(64-344) 5^-343 < 2^-1076.
> -+ * However, we have that
> -+ * (2^64-1) * 10^-342 =  (2^64-1) * 2^-342 * 5^-342 > 2^-1074.
> -+ * Thus it is possible for a number of the form w * 10^-342 where
> -+ * w is a 64-bit value to be a non-zero floating-point number.
> -+ *********
> -+ * Any number of form w * 10^309 where w>= 1 is going to be
> -+ * infinite in binary64 so we never need to worry about powers
> -+ * of 5 greater than 308.
> -+ */
> -+template <class unused = void> struct powers_template {
> -+
> -+  constexpr static int smallest_power_of_five =
> -+      binary_format<double>::smallest_power_of_ten();
> -+  constexpr static int largest_power_of_five =
> -+      binary_format<double>::largest_power_of_ten();
> -+  constexpr static int number_of_entries =
> -+      2 * (largest_power_of_five - smallest_power_of_five + 1);
> -+  // Powers of five from 5^-342 all the way to 5^308 rounded toward one.
> -+  constexpr static uint64_t power_of_five_128[number_of_entries] = {
> -+      0xeef453d6923bd65a, 0x113faa2906a13b3f,
> -+      0x9558b4661b6565f8, 0x4ac7ca59a424c507,
> -+      0xbaaee17fa23ebf76, 0x5d79bcf00d2df649,
> -+      0xe95a99df8ace6f53, 0xf4d82c2c107973dc,
> -+      0x91d8a02bb6c10594, 0x79071b9b8a4be869,
> -+      0xb64ec836a47146f9, 0x9748e2826cdee284,
> -+      0xe3e27a444d8d98b7, 0xfd1b1b2308169b25,
> -+      0x8e6d8c6ab0787f72, 0xfe30f0f5e50e20f7,
> -+      0xb208ef855c969f4f, 0xbdbd2d335e51a935,
> -+      0xde8b2b66b3bc4723, 0xad2c788035e61382,
> -+      0x8b16fb203055ac76, 0x4c3bcb5021afcc31,
> -+      0xaddcb9e83c6b1793, 0xdf4abe242a1bbf3d,
> -+      0xd953e8624b85dd78, 0xd71d6dad34a2af0d,
> -+      0x87d4713d6f33aa6b, 0x8672648c40e5ad68,
> -+      0xa9c98d8ccb009506, 0x680efdaf511f18c2,
> -+      0xd43bf0effdc0ba48, 0x212bd1b2566def2,
> -+      0x84a57695fe98746d, 0x14bb630f7604b57,
> -+      0xa5ced43b7e3e9188, 0x419ea3bd35385e2d,
> -+      0xcf42894a5dce35ea, 0x52064cac828675b9,
> -+      0x818995ce7aa0e1b2, 0x7343efebd1940993,
> -+      0xa1ebfb4219491a1f, 0x1014ebe6c5f90bf8,
> -+      0xca66fa129f9b60a6, 0xd41a26e077774ef6,
> -+      0xfd00b897478238d0, 0x8920b098955522b4,
> -+      0x9e20735e8cb16382, 0x55b46e5f5d5535b0,
> -+      0xc5a890362fddbc62, 0xeb2189f734aa831d,
> -+      0xf712b443bbd52b7b, 0xa5e9ec7501d523e4,
> -+      0x9a6bb0aa55653b2d, 0x47b233c92125366e,
> -+      0xc1069cd4eabe89f8, 0x999ec0bb696e840a,
> -+      0xf148440a256e2c76, 0xc00670ea43ca250d,
> -+      0x96cd2a865764dbca, 0x380406926a5e5728,
> -+      0xbc807527ed3e12bc, 0xc605083704f5ecf2,
> -+      0xeba09271e88d976b, 0xf7864a44c633682e,
> -+      0x93445b8731587ea3, 0x7ab3ee6afbe0211d,
> -+      0xb8157268fdae9e4c, 0x5960ea05bad82964,
> -+      0xe61acf033d1a45df, 0x6fb92487298e33bd,
> -+      0x8fd0c16206306bab, 0xa5d3b6d479f8e056,
> -+      0xb3c4f1ba87bc8696, 0x8f48a4899877186c,
> -+      0xe0b62e2929aba83c, 0x331acdabfe94de87,
> -+      0x8c71dcd9ba0b4925, 0x9ff0c08b7f1d0b14,
> -+      0xaf8e5410288e1b6f, 0x7ecf0ae5ee44dd9,
> -+      0xdb71e91432b1a24a, 0xc9e82cd9f69d6150,
> -+      0x892731ac9faf056e, 0xbe311c083a225cd2,
> -+      0xab70fe17c79ac6ca, 0x6dbd630a48aaf406,
> -+      0xd64d3d9db981787d, 0x92cbbccdad5b108,
> -+      0x85f0468293f0eb4e, 0x25bbf56008c58ea5,
> -+      0xa76c582338ed2621, 0xaf2af2b80af6f24e,
> -+      0xd1476e2c07286faa, 0x1af5af660db4aee1,
> -+      0x82cca4db847945ca, 0x50d98d9fc890ed4d,
> -+      0xa37fce126597973c, 0xe50ff107bab528a0,
> -+      0xcc5fc196fefd7d0c, 0x1e53ed49a96272c8,
> -+      0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7a,
> -+      0x9faacf3df73609b1, 0x77b191618c54e9ac,
> -+      0xc795830d75038c1d, 0xd59df5b9ef6a2417,
> -+      0xf97ae3d0d2446f25, 0x4b0573286b44ad1d,
> -+      0x9becce62836ac577, 0x4ee367f9430aec32,
> -+      0xc2e801fb244576d5, 0x229c41f793cda73f,
> -+      0xf3a20279ed56d48a, 0x6b43527578c1110f,
> -+      0x9845418c345644d6, 0x830a13896b78aaa9,
> -+      0xbe5691ef416bd60c, 0x23cc986bc656d553,
> -+      0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa8,
> -+      0x94b3a202eb1c3f39, 0x7bf7d71432f3d6a9,
> -+      0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc53,
> -+      0xe858ad248f5c22c9, 0xd1b3400f8f9cff68,
> -+      0x91376c36d99995be, 0x23100809b9c21fa1,
> -+      0xb58547448ffffb2d, 0xabd40a0c2832a78a,
> -+      0xe2e69915b3fff9f9, 0x16c90c8f323f516c,
> -+      0x8dd01fad907ffc3b, 0xae3da7d97f6792e3,
> -+      0xb1442798f49ffb4a, 0x99cd11cfdf41779c,
> -+      0xdd95317f31c7fa1d, 0x40405643d711d583,
> -+      0x8a7d3eef7f1cfc52, 0x482835ea666b2572,
> -+      0xad1c8eab5ee43b66, 0xda3243650005eecf,
> -+      0xd863b256369d4a40, 0x90bed43e40076a82,
> -+      0x873e4f75e2224e68, 0x5a7744a6e804a291,
> -+      0xa90de3535aaae202, 0x711515d0a205cb36,
> -+      0xd3515c2831559a83, 0xd5a5b44ca873e03,
> -+      0x8412d9991ed58091, 0xe858790afe9486c2,
> -+      0xa5178fff668ae0b6, 0x626e974dbe39a872,
> -+      0xce5d73ff402d98e3, 0xfb0a3d212dc8128f,
> -+      0x80fa687f881c7f8e, 0x7ce66634bc9d0b99,
> -+      0xa139029f6a239f72, 0x1c1fffc1ebc44e80,
> -+      0xc987434744ac874e, 0xa327ffb266b56220,
> -+      0xfbe9141915d7a922, 0x4bf1ff9f0062baa8,
> -+      0x9d71ac8fada6c9b5, 0x6f773fc3603db4a9,
> -+      0xc4ce17b399107c22, 0xcb550fb4384d21d3,
> -+      0xf6019da07f549b2b, 0x7e2a53a146606a48,
> -+      0x99c102844f94e0fb, 0x2eda7444cbfc426d,
> -+      0xc0314325637a1939, 0xfa911155fefb5308,
> -+      0xf03d93eebc589f88, 0x793555ab7eba27ca,
> -+      0x96267c7535b763b5, 0x4bc1558b2f3458de,
> -+      0xbbb01b9283253ca2, 0x9eb1aaedfb016f16,
> -+      0xea9c227723ee8bcb, 0x465e15a979c1cadc,
> -+      0x92a1958a7675175f, 0xbfacd89ec191ec9,
> -+      0xb749faed14125d36, 0xcef980ec671f667b,
> -+      0xe51c79a85916f484, 0x82b7e12780e7401a,
> -+      0x8f31cc0937ae58d2, 0xd1b2ecb8b0908810,
> -+      0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa15,
> -+      0xdfbdcece67006ac9, 0x67a791e093e1d49a,
> -+      0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e0,
> -+      0xaecc49914078536d, 0x58fae9f773886e18,
> -+      0xda7f5bf590966848, 0xaf39a475506a899e,
> -+      0x888f99797a5e012d, 0x6d8406c952429603,
> -+      0xaab37fd7d8f58178, 0xc8e5087ba6d33b83,
> -+      0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a64,
> -+      0x855c3be0a17fcd26, 0x5cf2eea09a55067f,
> -+      0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481e,
> -+      0xd0601d8efc57b08b, 0xf13b94daf124da26,
> -+      0x823c12795db6ce57, 0x76c53d08d6b70858,
> -+      0xa2cb1717b52481ed, 0x54768c4b0c64ca6e,
> -+      0xcb7ddcdda26da268, 0xa9942f5dcf7dfd09,
> -+      0xfe5d54150b090b02, 0xd3f93b35435d7c4c,
> -+      0x9efa548d26e5a6e1, 0xc47bc5014a1a6daf,
> -+      0xc6b8e9b0709f109a, 0x359ab6419ca1091b,
> -+      0xf867241c8cc6d4c0, 0xc30163d203c94b62,
> -+      0x9b407691d7fc44f8, 0x79e0de63425dcf1d,
> -+      0xc21094364dfb5636, 0x985915fc12f542e4,
> -+      0xf294b943e17a2bc4, 0x3e6f5b7b17b2939d,
> -+      0x979cf3ca6cec5b5a, 0xa705992ceecf9c42,
> -+      0xbd8430bd08277231, 0x50c6ff782a838353,
> -+      0xece53cec4a314ebd, 0xa4f8bf5635246428,
> -+      0x940f4613ae5ed136, 0x871b7795e136be99,
> -+      0xb913179899f68584, 0x28e2557b59846e3f,
> -+      0xe757dd7ec07426e5, 0x331aeada2fe589cf,
> -+      0x9096ea6f3848984f, 0x3ff0d2c85def7621,
> -+      0xb4bca50b065abe63, 0xfed077a756b53a9,
> -+      0xe1ebce4dc7f16dfb, 0xd3e8495912c62894,
> -+      0x8d3360f09cf6e4bd, 0x64712dd7abbbd95c,
> -+      0xb080392cc4349dec, 0xbd8d794d96aacfb3,
> -+      0xdca04777f541c567, 0xecf0d7a0fc5583a0,
> -+      0x89e42caaf9491b60, 0xf41686c49db57244,
> -+      0xac5d37d5b79b6239, 0x311c2875c522ced5,
> -+      0xd77485cb25823ac7, 0x7d633293366b828b,
> -+      0x86a8d39ef77164bc, 0xae5dff9c02033197,
> -+      0xa8530886b54dbdeb, 0xd9f57f830283fdfc,
> -+      0xd267caa862a12d66, 0xd072df63c324fd7b,
> -+      0x8380dea93da4bc60, 0x4247cb9e59f71e6d,
> -+      0xa46116538d0deb78, 0x52d9be85f074e608,
> -+      0xcd795be870516656, 0x67902e276c921f8b,
> -+      0x806bd9714632dff6, 0xba1cd8a3db53b6,
> -+      0xa086cfcd97bf97f3, 0x80e8a40eccd228a4,
> -+      0xc8a883c0fdaf7df0, 0x6122cd128006b2cd,
> -+      0xfad2a4b13d1b5d6c, 0x796b805720085f81,
> -+      0x9cc3a6eec6311a63, 0xcbe3303674053bb0,
> -+      0xc3f490aa77bd60fc, 0xbedbfc4411068a9c,
> -+      0xf4f1b4d515acb93b, 0xee92fb5515482d44,
> -+      0x991711052d8bf3c5, 0x751bdd152d4d1c4a,
> -+      0xbf5cd54678eef0b6, 0xd262d45a78a0635d,
> -+      0xef340a98172aace4, 0x86fb897116c87c34,
> -+      0x9580869f0e7aac0e, 0xd45d35e6ae3d4da0,
> -+      0xbae0a846d2195712, 0x8974836059cca109,
> -+      0xe998d258869facd7, 0x2bd1a438703fc94b,
> -+      0x91ff83775423cc06, 0x7b6306a34627ddcf,
> -+      0xb67f6455292cbf08, 0x1a3bc84c17b1d542,
> -+      0xe41f3d6a7377eeca, 0x20caba5f1d9e4a93,
> -+      0x8e938662882af53e, 0x547eb47b7282ee9c,
> -+      0xb23867fb2a35b28d, 0xe99e619a4f23aa43,
> -+      0xdec681f9f4c31f31, 0x6405fa00e2ec94d4,
> -+      0x8b3c113c38f9f37e, 0xde83bc408dd3dd04,
> -+      0xae0b158b4738705e, 0x9624ab50b148d445,
> -+      0xd98ddaee19068c76, 0x3badd624dd9b0957,
> -+      0x87f8a8d4cfa417c9, 0xe54ca5d70a80e5d6,
> -+      0xa9f6d30a038d1dbc, 0x5e9fcf4ccd211f4c,
> -+      0xd47487cc8470652b, 0x7647c3200069671f,
> -+      0x84c8d4dfd2c63f3b, 0x29ecd9f40041e073,
> -+      0xa5fb0a17c777cf09, 0xf468107100525890,
> -+      0xcf79cc9db955c2cc, 0x7182148d4066eeb4,
> -+      0x81ac1fe293d599bf, 0xc6f14cd848405530,
> -+      0xa21727db38cb002f, 0xb8ada00e5a506a7c,
> -+      0xca9cf1d206fdc03b, 0xa6d90811f0e4851c,
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> -+      0xb6e0c377cfa2e12e, 0x6f8b2fb00c77836c,
> -+      0xe498f455c38b997a, 0xb6dfb9c0f956447,
> -+      0x8edf98b59a373fec, 0x4724bd4189bd5eac,
> -+      0xb2977ee300c50fe7, 0x58edec91ec2cb657,
> -+      0xdf3d5e9bc0f653e1, 0x2f2967b66737e3ed,
> -+      0x8b865b215899f46c, 0xbd79e0d20082ee74,
> -+      0xae67f1e9aec07187, 0xecd8590680a3aa11,
> -+      0xda01ee641a708de9, 0xe80e6f4820cc9495,
> -+      0x884134fe908658b2, 0x3109058d147fdcdd,
> -+      0xaa51823e34a7eede, 0xbd4b46f0599fd415,
> -+      0xd4e5e2cdc1d1ea96, 0x6c9e18ac7007c91a,
> -+      0x850fadc09923329e, 0x3e2cf6bc604ddb0,
> -+      0xa6539930bf6bff45, 0x84db8346b786151c,
> -+      0xcfe87f7cef46ff16, 0xe612641865679a63,
> -+      0x81f14fae158c5f6e, 0x4fcb7e8f3f60c07e,
> -+      0xa26da3999aef7749, 0xe3be5e330f38f09d,
> -+      0xcb090c8001ab551c, 0x5cadf5bfd3072cc5,
> -+      0xfdcb4fa002162a63, 0x73d9732fc7c8f7f6,
> -+      0x9e9f11c4014dda7e, 0x2867e7fddcdd9afa,
> -+      0xc646d63501a1511d, 0xb281e1fd541501b8,
> -+      0xf7d88bc24209a565, 0x1f225a7ca91a4226,
> -+      0x9ae757596946075f, 0x3375788de9b06958,
> -+      0xc1a12d2fc3978937, 0x52d6b1641c83ae,
> -+      0xf209787bb47d6b84, 0xc0678c5dbd23a49a,
> -+      0x9745eb4d50ce6332, 0xf840b7ba963646e0,
> -+      0xbd176620a501fbff, 0xb650e5a93bc3d898,
> -+      0xec5d3fa8ce427aff, 0xa3e51f138ab4cebe,
> -+      0x93ba47c980e98cdf, 0xc66f336c36b10137,
> -+      0xb8a8d9bbe123f017, 0xb80b0047445d4184,
> -+      0xe6d3102ad96cec1d, 0xa60dc059157491e5,
> -+      0x9043ea1ac7e41392, 0x87c89837ad68db2f,
> -+      0xb454e4a179dd1877, 0x29babe4598c311fb,
> -+      0xe16a1dc9d8545e94, 0xf4296dd6fef3d67a,
> -+      0x8ce2529e2734bb1d, 0x1899e4a65f58660c,
> -+      0xb01ae745b101e9e4, 0x5ec05dcff72e7f8f,
> -+      0xdc21a1171d42645d, 0x76707543f4fa1f73,
> -+      0x899504ae72497eba, 0x6a06494a791c53a8,
> -+      0xabfa45da0edbde69, 0x487db9d17636892,
> -+      0xd6f8d7509292d603, 0x45a9d2845d3c42b6,
> -+      0x865b86925b9bc5c2, 0xb8a2392ba45a9b2,
> -+      0xa7f26836f282b732, 0x8e6cac7768d7141e,
> -+      0xd1ef0244af2364ff, 0x3207d795430cd926,
> -+      0x8335616aed761f1f, 0x7f44e6bd49e807b8,
> -+      0xa402b9c5a8d3a6e7, 0x5f16206c9c6209a6,
> -+      0xcd036837130890a1, 0x36dba887c37a8c0f,
> -+      0x802221226be55a64, 0xc2494954da2c9789,
> -+      0xa02aa96b06deb0fd, 0xf2db9baa10b7bd6c,
> -+      0xc83553c5c8965d3d, 0x6f92829494e5acc7,
> -+      0xfa42a8b73abbf48c, 0xcb772339ba1f17f9,
> -+      0x9c69a97284b578d7, 0xff2a760414536efb,
> -+      0xc38413cf25e2d70d, 0xfef5138519684aba,
> -+      0xf46518c2ef5b8cd1, 0x7eb258665fc25d69,
> -+      0x98bf2f79d5993802, 0xef2f773ffbd97a61,
> -+      0xbeeefb584aff8603, 0xaafb550ffacfd8fa,
> -+      0xeeaaba2e5dbf6784, 0x95ba2a53f983cf38,
> -+      0x952ab45cfa97a0b2, 0xdd945a747bf26183,
> -+      0xba756174393d88df, 0x94f971119aeef9e4,
> -+      0xe912b9d1478ceb17, 0x7a37cd5601aab85d,
> -+      0x91abb422ccb812ee, 0xac62e055c10ab33a,
> -+      0xb616a12b7fe617aa, 0x577b986b314d6009,
> -+      0xe39c49765fdf9d94, 0xed5a7e85fda0b80b,
> -+      0x8e41ade9fbebc27d, 0x14588f13be847307,
> -+      0xb1d219647ae6b31c, 0x596eb2d8ae258fc8,
> -+      0xde469fbd99a05fe3, 0x6fca5f8ed9aef3bb,
> -+      0x8aec23d680043bee, 0x25de7bb9480d5854,
> -+      0xada72ccc20054ae9, 0xaf561aa79a10ae6a,
> -+      0xd910f7ff28069da4, 0x1b2ba1518094da04,
> -+      0x87aa9aff79042286, 0x90fb44d2f05d0842,
> -+      0xa99541bf57452b28, 0x353a1607ac744a53,
> -+      0xd3fa922f2d1675f2, 0x42889b8997915ce8,
> -+      0x847c9b5d7c2e09b7, 0x69956135febada11,
> -+      0xa59bc234db398c25, 0x43fab9837e699095,
> -+      0xcf02b2c21207ef2e, 0x94f967e45e03f4bb,
> -+      0x8161afb94b44f57d, 0x1d1be0eebac278f5,
> -+      0xa1ba1ba79e1632dc, 0x6462d92a69731732,
> -+      0xca28a291859bbf93, 0x7d7b8f7503cfdcfe,
> -+      0xfcb2cb35e702af78, 0x5cda735244c3d43e,
> -+      0x9defbf01b061adab, 0x3a0888136afa64a7,
> -+      0xc56baec21c7a1916, 0x88aaa1845b8fdd0,
> -+      0xf6c69a72a3989f5b, 0x8aad549e57273d45,
> -+      0x9a3c2087a63f6399, 0x36ac54e2f678864b,
> -+      0xc0cb28a98fcf3c7f, 0x84576a1bb416a7dd,
> -+      0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d5,
> -+      0x969eb7c47859e743, 0x9f644ae5a4b1b325,
> -+      0xbc4665b596706114, 0x873d5d9f0dde1fee,
> -+      0xeb57ff22fc0c7959, 0xa90cb506d155a7ea,
> -+      0x9316ff75dd87cbd8, 0x9a7f12442d588f2,
> -+      0xb7dcbf5354e9bece, 0xc11ed6d538aeb2f,
> -+      0xe5d3ef282a242e81, 0x8f1668c8a86da5fa,
> -+      0x8fa475791a569d10, 0xf96e017d694487bc,
> -+      0xb38d92d760ec4455, 0x37c981dcc395a9ac,
> -+      0xe070f78d3927556a, 0x85bbe253f47b1417,
> -+      0x8c469ab843b89562, 0x93956d7478ccec8e,
> -+      0xaf58416654a6babb, 0x387ac8d1970027b2,
> -+      0xdb2e51bfe9d0696a, 0x6997b05fcc0319e,
> -+      0x88fcf317f22241e2, 0x441fece3bdf81f03,
> -+      0xab3c2fddeeaad25a, 0xd527e81cad7626c3,
> -+      0xd60b3bd56a5586f1, 0x8a71e223d8d3b074,
> -+      0x85c7056562757456, 0xf6872d5667844e49,
> -+      0xa738c6bebb12d16c, 0xb428f8ac016561db,
> -+      0xd106f86e69d785c7, 0xe13336d701beba52,
> -+      0x82a45b450226b39c, 0xecc0024661173473,
> -+      0xa34d721642b06084, 0x27f002d7f95d0190,
> -+      0xcc20ce9bd35c78a5, 0x31ec038df7b441f4,
> -+      0xff290242c83396ce, 0x7e67047175a15271,
> -+      0x9f79a169bd203e41, 0xf0062c6e984d386,
> -+      0xc75809c42c684dd1, 0x52c07b78a3e60868,
> -+      0xf92e0c3537826145, 0xa7709a56ccdf8a82,
> -+      0x9bbcc7a142b17ccb, 0x88a66076400bb691,
> -+      0xc2abf989935ddbfe, 0x6acff893d00ea435,
> -+      0xf356f7ebf83552fe, 0x583f6b8c4124d43,
> -+      0x98165af37b2153de, 0xc3727a337a8b704a,
> -+      0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5c,
> -+      0xeda2ee1c7064130c, 0x1162def06f79df73,
> -+      0x9485d4d1c63e8be7, 0x8addcb5645ac2ba8,
> -+      0xb9a74a0637ce2ee1, 0x6d953e2bd7173692,
> -+      0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0437,
> -+      0x910ab1d4db9914a0, 0x1d9c9892400a22a2,
> -+      0xb54d5e4a127f59c8, 0x2503beb6d00cab4b,
> -+      0xe2a0b5dc971f303a, 0x2e44ae64840fd61d,
> -+      0x8da471a9de737e24, 0x5ceaecfed289e5d2,
> -+      0xb10d8e1456105dad, 0x7425a83e872c5f47,
> -+      0xdd50f1996b947518, 0xd12f124e28f77719,
> -+      0x8a5296ffe33cc92f, 0x82bd6b70d99aaa6f,
> -+      0xace73cbfdc0bfb7b, 0x636cc64d1001550b,
> -+      0xd8210befd30efa5a, 0x3c47f7e05401aa4e,
> -+      0x8714a775e3e95c78, 0x65acfaec34810a71,
> -+      0xa8d9d1535ce3b396, 0x7f1839a741a14d0d,
> -+      0xd31045a8341ca07c, 0x1ede48111209a050,
> -+      0x83ea2b892091e44d, 0x934aed0aab460432,
> -+      0xa4e4b66b68b65d60, 0xf81da84d5617853f,
> -+      0xce1de40642e3f4b9, 0x36251260ab9d668e,
> -+      0x80d2ae83e9ce78f3, 0xc1d72b7c6b426019,
> -+      0xa1075a24e4421730, 0xb24cf65b8612f81f,
> -+      0xc94930ae1d529cfc, 0xdee033f26797b627,
> -+      0xfb9b7cd9a4a7443c, 0x169840ef017da3b1,
> -+      0x9d412e0806e88aa5, 0x8e1f289560ee864e,
> -+      0xc491798a08a2ad4e, 0xf1a6f2bab92a27e2,
> -+      0xf5b5d7ec8acb58a2, 0xae10af696774b1db,
> -+      0x9991a6f3d6bf1765, 0xacca6da1e0a8ef29,
> -+      0xbff610b0cc6edd3f, 0x17fd090a58d32af3,
> -+      0xeff394dcff8a948e, 0xddfc4b4cef07f5b0,
> -+      0x95f83d0a1fb69cd9, 0x4abdaf101564f98e,
> -+      0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f1,
> -+      0xea53df5fd18d5513, 0x84c86189216dc5ed,
> -+      0x92746b9be2f8552c, 0x32fd3cf5b4e49bb4,
> -+      0xb7118682dbb66a77, 0x3fbc8c33221dc2a1,
> -+      0xe4d5e82392a40515, 0xfabaf3feaa5334a,
> -+      0x8f05b1163ba6832d, 0x29cb4d87f2a7400e,
> -+      0xb2c71d5bca9023f8, 0x743e20e9ef511012,
> -+      0xdf78e4b2bd342cf6, 0x914da9246b255416,
> -+      0x8bab8eefb6409c1a, 0x1ad089b6c2f7548e,
> -+      0xae9672aba3d0c320, 0xa184ac2473b529b1,
> -+      0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741e,
> -+      0x8865899617fb1871, 0x7e2fa67c7a658892,
> -+      0xaa7eebfb9df9de8d, 0xddbb901b98feeab7,
> -+      0xd51ea6fa85785631, 0x552a74227f3ea565,
> -+      0x8533285c936b35de, 0xd53a88958f87275f,
> -+      0xa67ff273b8460356, 0x8a892abaf368f137,
> -+      0xd01fef10a657842c, 0x2d2b7569b0432d85,
> -+      0x8213f56a67f6b29b, 0x9c3b29620e29fc73,
> -+      0xa298f2c501f45f42, 0x8349f3ba91b47b8f,
> -+      0xcb3f2f7642717713, 0x241c70a936219a73,
> -+      0xfe0efb53d30dd4d7, 0xed238cd383aa0110,
> -+      0x9ec95d1463e8a506, 0xf4363804324a40aa,
> -+      0xc67bb4597ce2ce48, 0xb143c6053edcd0d5,
> -+      0xf81aa16fdc1b81da, 0xdd94b7868e94050a,
> -+      0x9b10a4e5e9913128, 0xca7cf2b4191c8326,
> -+      0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f0,
> -+      0xf24a01a73cf2dccf, 0xbc633b39673c8cec,
> -+      0x976e41088617ca01, 0xd5be0503e085d813,
> -+      0xbd49d14aa79dbc82, 0x4b2d8644d8a74e18,
> -+      0xec9c459d51852ba2, 0xddf8e7d60ed1219e,
> -+      0x93e1ab8252f33b45, 0xcabb90e5c942b503,
> -+      0xb8da1662e7b00a17, 0x3d6a751f3b936243,
> -+      0xe7109bfba19c0c9d, 0xcc512670a783ad4,
> -+      0x906a617d450187e2, 0x27fb2b80668b24c5,
> -+      0xb484f9dc9641e9da, 0xb1f9f660802dedf6,
> -+      0xe1a63853bbd26451, 0x5e7873f8a0396973,
> -+      0x8d07e33455637eb2, 0xdb0b487b6423e1e8,
> -+      0xb049dc016abc5e5f, 0x91ce1a9a3d2cda62,
> -+      0xdc5c5301c56b75f7, 0x7641a140cc7810fb,
> -+      0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9d,
> -+      0xac2820d9623bf429, 0x546345fa9fbdcd44,
> -+      0xd732290fbacaf133, 0xa97c177947ad4095,
> -+      0x867f59a9d4bed6c0, 0x49ed8eabcccc485d,
> -+      0xa81f301449ee8c70, 0x5c68f256bfff5a74,
> -+      0xd226fc195c6a2f8c, 0x73832eec6fff3111,
> -+      0x83585d8fd9c25db7, 0xc831fd53c5ff7eab,
> -+      0xa42e74f3d032f525, 0xba3e7ca8b77f5e55,
> -+      0xcd3a1230c43fb26f, 0x28ce1bd2e55f35eb,
> -+      0x80444b5e7aa7cf85, 0x7980d163cf5b81b3,
> -+      0xa0555e361951c366, 0xd7e105bcc332621f,
> -+      0xc86ab5c39fa63440, 0x8dd9472bf3fefaa7,
> -+      0xfa856334878fc150, 0xb14f98f6f0feb951,
> -+      0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d3,
> -+      0xc3b8358109e84f07, 0xa862f80ec4700c8,
> -+      0xf4a642e14c6262c8, 0xcd27bb612758c0fa,
> -+      0x98e7e9cccfbd7dbd, 0x8038d51cb897789c,
> -+      0xbf21e44003acdd2c, 0xe0470a63e6bd56c3,
> -+      0xeeea5d5004981478, 0x1858ccfce06cac74,
> -+      0x95527a5202df0ccb, 0xf37801e0c43ebc8,
> -+      0xbaa718e68396cffd, 0xd30560258f54e6ba,
> -+      0xe950df20247c83fd, 0x47c6b82ef32a2069,
> -+      0x91d28b7416cdd27e, 0x4cdc331d57fa5441,
> -+      0xb6472e511c81471d, 0xe0133fe4adf8e952,
> -+      0xe3d8f9e563a198e5, 0x58180fddd97723a6,
> -+      0x8e679c2f5e44ff8f, 0x570f09eaa7ea7648,
> -+  };
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <class unused>
> -+constexpr uint64_t
> -+    powers_template<unused>::power_of_five_128[number_of_entries];
> -+
> -+#endif
> -+
> -+using powers = powers_template<>;
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_DECIMAL_TO_BINARY_H
> -+#define FASTFLOAT_DECIMAL_TO_BINARY_H
> -+
> -+#include <cfloat>
> -+#include <cinttypes>
> -+#include <cmath>
> -+#include <cstdint>
> -+#include <cstdlib>
> -+#include <cstring>
> -+
> -+namespace fast_float {
> -+
> -+// This will compute or rather approximate w * 5**q and return a pair of 64-bit
> -+// words approximating the result, with the "high" part corresponding to the
> -+// most significant bits and the low part corresponding to the least significant
> -+// bits.
> -+//
> -+template <int bit_precision>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128
> -+compute_product_approximation(int64_t q, uint64_t w) {
> -+  const int index = 2 * int(q - powers::smallest_power_of_five);
> -+  // For small values of q, e.g., q in [0,27], the answer is always exact
> -+  // because The line value128 firstproduct = full_multiplication(w,
> -+  // power_of_five_128[index]); gives the exact answer.
> -+  value128 firstproduct =
> -+      full_multiplication(w, powers::power_of_five_128[index]);
> -+  static_assert((bit_precision >= 0) && (bit_precision <= 64),
> -+                " precision should  be in (0,64]");
> -+  constexpr uint64_t precision_mask =
> -+      (bit_precision < 64) ? (uint64_t(0xFFFFFFFFFFFFFFFF) >> bit_precision)
> -+                           : uint64_t(0xFFFFFFFFFFFFFFFF);
> -+  if ((firstproduct.high & precision_mask) ==
> -+      precision_mask) { // could further guard with  (lower + w < lower)
> -+    // regarding the second product, we only need secondproduct.high, but our
> -+    // expectation is that the compiler will optimize this extra work away if
> -+    // needed.
> -+    value128 secondproduct =
> -+        full_multiplication(w, powers::power_of_five_128[index + 1]);
> -+    firstproduct.low += secondproduct.high;
> -+    if (secondproduct.high > firstproduct.low) {
> -+      firstproduct.high++;
> -+    }
> -+  }
> -+  return firstproduct;
> -+}
> -+
> -+namespace detail {
> -+/**
> -+ * For q in (0,350), we have that
> -+ *  f = (((152170 + 65536) * q ) >> 16);
> -+ * is equal to
> -+ *   floor(p) + q
> -+ * where
> -+ *   p = log(5**q)/log(2) = q * log(5)/log(2)
> -+ *
> -+ * For negative values of q in (-400,0), we have that
> -+ *  f = (((152170 + 65536) * q ) >> 16);
> -+ * is equal to
> -+ *   -ceil(p) + q
> -+ * where
> -+ *   p = log(5**-q)/log(2) = -q * log(5)/log(2)
> -+ */
> -+constexpr fastfloat_really_inline int32_t power(int32_t q) noexcept {
> -+  return (((152170 + 65536) * q) >> 16) + 63;
> -+}
> -+} // namespace detail
> -+
> -+// create an adjusted mantissa, biased by the invalid power2
> -+// for significant digits already multiplied by 10 ** q.
> -+template <typename binary>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 adjusted_mantissa
> -+compute_error_scaled(int64_t q, uint64_t w, int lz) noexcept {
> -+  int hilz = int(w >> 63) ^ 1;
> -+  adjusted_mantissa answer;
> -+  answer.mantissa = w << hilz;
> -+  int bias = binary::mantissa_explicit_bits() - binary::minimum_exponent();
> -+  answer.power2 = int32_t(detail::power(int32_t(q)) + bias - hilz - lz - 62 +
> -+                          invalid_am_bias);
> -+  return answer;
> -+}
> -+
> -+// w * 10 ** q, without rounding the representation up.
> -+// the power2 in the exponent will be adjusted by invalid_am_bias.
> -+template <typename binary>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+compute_error(int64_t q, uint64_t w) noexcept {
> -+  int lz = leading_zeroes(w);
> -+  w <<= lz;
> -+  value128 product =
> -+      compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w);
> -+  return compute_error_scaled<binary>(q, product.high, lz);
> -+}
> -+
> -+// w * 10 ** q
> -+// The returned value should be a valid ieee64 number that simply need to be
> -+// packed. However, in some very rare cases, the computation will fail. In such
> -+// cases, we return an adjusted_mantissa with a negative power of 2: the caller
> -+// should recompute in such cases.
> -+template <typename binary>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+compute_float(int64_t q, uint64_t w) noexcept {
> -+  adjusted_mantissa answer;
> -+  if ((w == 0) || (q < binary::smallest_power_of_ten())) {
> -+    answer.power2 = 0;
> -+    answer.mantissa = 0;
> -+    // result should be zero
> -+    return answer;
> -+  }
> -+  if (q > binary::largest_power_of_ten()) {
> -+    // we want to get infinity:
> -+    answer.power2 = binary::infinite_power();
> -+    answer.mantissa = 0;
> -+    return answer;
> -+  }
> -+  // At this point in time q is in [powers::smallest_power_of_five,
> -+  // powers::largest_power_of_five].
> -+
> -+  // We want the most significant bit of i to be 1. Shift if needed.
> -+  int lz = leading_zeroes(w);
> -+  w <<= lz;
> -+
> -+  // The required precision is binary::mantissa_explicit_bits() + 3 because
> -+  // 1. We need the implicit bit
> -+  // 2. We need an extra bit for rounding purposes
> -+  // 3. We might lose a bit due to the "upperbit" routine (result too small,
> -+  // requiring a shift)
> -+
> -+  value128 product =
> -+      compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w);
> -+  // The computed 'product' is always sufficient.
> -+  // Mathematical proof:
> -+  // Noble Mushtak and Daniel Lemire, Fast Number Parsing Without Fallback (to
> -+  // appear) See script/mushtak_lemire.py
> -+
> -+  // The "compute_product_approximation" function can be slightly slower than a
> -+  // branchless approach: value128 product = compute_product(q, w); but in
> -+  // practice, we can win big with the compute_product_approximation if its
> -+  // additional branch is easily predicted. Which is best is data specific.
> -+  int upperbit = int(product.high >> 63);
> -+  int shift = upperbit + 64 - binary::mantissa_explicit_bits() - 3;
> -+
> -+  answer.mantissa = product.high >> shift;
> -+
> -+  answer.power2 = int32_t(detail::power(int32_t(q)) + upperbit - lz -
> -+                          binary::minimum_exponent());
> -+  if (answer.power2 <= 0) { // we have a subnormal?
> -+    // Here have that answer.power2 <= 0 so -answer.power2 >= 0
> -+    if (-answer.power2 + 1 >=
> -+        64) { // if we have more than 64 bits below the minimum exponent, you
> -+              // have a zero for sure.
> -+      answer.power2 = 0;
> -+      answer.mantissa = 0;
> -+      // result should be zero
> -+      return answer;
> -+    }
> -+    // next line is safe because -answer.power2 + 1 < 64
> -+    answer.mantissa >>= -answer.power2 + 1;
> -+    // Thankfully, we can't have both "round-to-even" and subnormals because
> -+    // "round-to-even" only occurs for powers close to 0.
> -+    answer.mantissa += (answer.mantissa & 1); // round up
> -+    answer.mantissa >>= 1;
> -+    // There is a weird scenario where we don't have a subnormal but just.
> -+    // Suppose we start with 2.2250738585072013e-308, we end up
> -+    // with 0x3fffffffffffff x 2^-1023-53 which is technically subnormal
> -+    // whereas 0x40000000000000 x 2^-1023-53  is normal. Now, we need to round
> -+    // up 0x3fffffffffffff x 2^-1023-53  and once we do, we are no longer
> -+    // subnormal, but we can only know this after rounding.
> -+    // So we only declare a subnormal if we are smaller than the threshold.
> -+    answer.power2 =
> -+        (answer.mantissa < (uint64_t(1) << binary::mantissa_explicit_bits()))
> -+            ? 0
> -+            : 1;
> -+    return answer;
> -+  }
> -+
> -+  // usually, we round *up*, but if we fall right in between and and we have an
> -+  // even basis, we need to round down
> -+  // We are only concerned with the cases where 5**q fits in single 64-bit word.
> -+  if ((product.low <= 1) && (q >= binary::min_exponent_round_to_even()) &&
> -+      (q <= binary::max_exponent_round_to_even()) &&
> -+      ((answer.mantissa & 3) == 1)) { // we may fall between two floats!
> -+    // To be in-between two floats we need that in doing
> -+    //   answer.mantissa = product.high >> (upperbit + 64 -
> -+    //   binary::mantissa_explicit_bits() - 3);
> -+    // ... we dropped out only zeroes. But if this happened, then we can go
> -+    // back!!!
> -+    if ((answer.mantissa << shift) == product.high) {
> -+      answer.mantissa &= ~uint64_t(1); // flip it so that we do not round up
> -+    }
> -+  }
> -+
> -+  answer.mantissa += (answer.mantissa & 1); // round up
> -+  answer.mantissa >>= 1;
> -+  if (answer.mantissa >= (uint64_t(2) << binary::mantissa_explicit_bits())) {
> -+    answer.mantissa = (uint64_t(1) << binary::mantissa_explicit_bits());
> -+    answer.power2++; // undo previous addition
> -+  }
> -+
> -+  answer.mantissa &= ~(uint64_t(1) << binary::mantissa_explicit_bits());
> -+  if (answer.power2 >= binary::infinite_power()) { // infinity
> -+    answer.power2 = binary::infinite_power();
> -+    answer.mantissa = 0;
> -+  }
> -+  return answer;
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_BIGINT_H
> -+#define FASTFLOAT_BIGINT_H
> -+
> -+#include <algorithm>
> -+#include <cstdint>
> -+#include <climits>
> -+#include <cstring>
> -+
> -+
> -+namespace fast_float {
> -+
> -+// the limb width: we want efficient multiplication of double the bits in
> -+// limb, or for 64-bit limbs, at least 64-bit multiplication where we can
> -+// extract the high and low parts efficiently. this is every 64-bit
> -+// architecture except for sparc, which emulates 128-bit multiplication.
> -+// we might have platforms where `CHAR_BIT` is not 8, so let's avoid
> -+// doing `8 * sizeof(limb)`.
> -+#if defined(FASTFLOAT_64BIT) && !defined(__sparc)
> -+#define FASTFLOAT_64BIT_LIMB 1
> -+typedef uint64_t limb;
> -+constexpr size_t limb_bits = 64;
> -+#else
> -+#define FASTFLOAT_32BIT_LIMB
> -+typedef uint32_t limb;
> -+constexpr size_t limb_bits = 32;
> -+#endif
> -+
> -+typedef span<limb> limb_span;
> -+
> -+// number of bits in a bigint. this needs to be at least the number
> -+// of bits required to store the largest bigint, which is
> -+// `log2(10**(digits + max_exp))`, or `log2(10**(767 + 342))`, or
> -+// ~3600 bits, so we round to 4000.
> -+constexpr size_t bigint_bits = 4000;
> -+constexpr size_t bigint_limbs = bigint_bits / limb_bits;
> -+
> -+// vector-like type that is allocated on the stack. the entire
> -+// buffer is pre-allocated, and only the length changes.
> -+template <uint16_t size> struct stackvec {
> -+  limb data[size];
> -+  // we never need more than 150 limbs
> -+  uint16_t length{0};
> -+
> -+  stackvec() = default;
> -+  stackvec(const stackvec &) = delete;
> -+  stackvec &operator=(const stackvec &) = delete;
> -+  stackvec(stackvec &&) = delete;
> -+  stackvec &operator=(stackvec &&other) = delete;
> -+
> -+  // create stack vector from existing limb span.
> -+  FASTFLOAT_CONSTEXPR20 stackvec(limb_span s) {
> -+    FASTFLOAT_ASSERT(try_extend(s));
> -+  }
> -+
> -+  FASTFLOAT_CONSTEXPR14 limb &operator[](size_t index) noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    return data[index];
> -+  }
> -+  FASTFLOAT_CONSTEXPR14 const limb &operator[](size_t index) const noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    return data[index];
> -+  }
> -+  // index from the end of the container
> -+  FASTFLOAT_CONSTEXPR14 const limb &rindex(size_t index) const noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    size_t rindex = length - index - 1;
> -+    return data[rindex];
> -+  }
> -+
> -+  // set the length, without bounds checking.
> -+  FASTFLOAT_CONSTEXPR14 void set_len(size_t len) noexcept {
> -+    length = uint16_t(len);
> -+  }
> -+  constexpr size_t len() const noexcept { return length; }
> -+  constexpr bool is_empty() const noexcept { return length == 0; }
> -+  constexpr size_t capacity() const noexcept { return size; }
> -+  // append item to vector, without bounds checking
> -+  FASTFLOAT_CONSTEXPR14 void push_unchecked(limb value) noexcept {
> -+    data[length] = value;
> -+    length++;
> -+  }
> -+  // append item to vector, returning if item was added
> -+  FASTFLOAT_CONSTEXPR14 bool try_push(limb value) noexcept {
> -+    if (len() < capacity()) {
> -+      push_unchecked(value);
> -+      return true;
> -+    } else {
> -+      return false;
> -+    }
> -+  }
> -+  // add items to the vector, from a span, without bounds checking
> -+  FASTFLOAT_CONSTEXPR20 void extend_unchecked(limb_span s) noexcept {
> -+    limb *ptr = data + length;
> -+    std::copy_n(s.ptr, s.len(), ptr);
> -+    set_len(len() + s.len());
> -+  }
> -+  // try to add items to the vector, returning if items were added
> -+  FASTFLOAT_CONSTEXPR20 bool try_extend(limb_span s) noexcept {
> -+    if (len() + s.len() <= capacity()) {
> -+      extend_unchecked(s);
> -+      return true;
> -+    } else {
> -+      return false;
> -+    }
> -+  }
> -+  // resize the vector, without bounds checking
> -+  // if the new size is longer than the vector, assign value to each
> -+  // appended item.
> -+  FASTFLOAT_CONSTEXPR20
> -+  void resize_unchecked(size_t new_len, limb value) noexcept {
> -+    if (new_len > len()) {
> -+      size_t count = new_len - len();
> -+      limb *first = data + len();
> -+      limb *last = first + count;
> -+      ::std::fill(first, last, value);
> -+      set_len(new_len);
> -+    } else {
> -+      set_len(new_len);
> -+    }
> -+  }
> -+  // try to resize the vector, returning if the vector was resized.
> -+  FASTFLOAT_CONSTEXPR20 bool try_resize(size_t new_len, limb value) noexcept {
> -+    if (new_len > capacity()) {
> -+      return false;
> -+    } else {
> -+      resize_unchecked(new_len, value);
> -+      return true;
> -+    }
> -+  }
> -+  // check if any limbs are non-zero after the given index.
> -+  // this needs to be done in reverse order, since the index
> -+  // is relative to the most significant limbs.
> -+  FASTFLOAT_CONSTEXPR14 bool nonzero(size_t index) const noexcept {
> -+    while (index < len()) {
> -+      if (rindex(index) != 0) {
> -+        return true;
> -+      }
> -+      index++;
> -+    }
> -+    return false;
> -+  }
> -+  // normalize the big integer, so most-significant zero limbs are removed.
> -+  FASTFLOAT_CONSTEXPR14 void normalize() noexcept {
> -+    while (len() > 0 && rindex(0) == 0) {
> -+      length--;
> -+    }
> -+  }
> -+};
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t
> -+empty_hi64(bool &truncated) noexcept {
> -+  truncated = false;
> -+  return 0;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint64_hi64(uint64_t r0, bool &truncated) noexcept {
> -+  truncated = false;
> -+  int shl = leading_zeroes(r0);
> -+  return r0 << shl;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint64_hi64(uint64_t r0, uint64_t r1, bool &truncated) noexcept {
> -+  int shl = leading_zeroes(r0);
> -+  if (shl == 0) {
> -+    truncated = r1 != 0;
> -+    return r0;
> -+  } else {
> -+    int shr = 64 - shl;
> -+    truncated = (r1 << shl) != 0;
> -+    return (r0 << shl) | (r1 >> shr);
> -+  }
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint32_hi64(uint32_t r0, bool &truncated) noexcept {
> -+  return uint64_hi64(r0, truncated);
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint32_hi64(uint32_t r0, uint32_t r1, bool &truncated) noexcept {
> -+  uint64_t x0 = r0;
> -+  uint64_t x1 = r1;
> -+  return uint64_hi64((x0 << 32) | x1, truncated);
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool &truncated) noexcept {
> -+  uint64_t x0 = r0;
> -+  uint64_t x1 = r1;
> -+  uint64_t x2 = r2;
> -+  return uint64_hi64(x0, (x1 << 32) | x2, truncated);
> -+}
> -+
> -+// add two small integers, checking for overflow.
> -+// we want an efficient operation. for msvc, where
> -+// we don't have built-in intrinsics, this is still
> -+// pretty fast.
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb
> -+scalar_add(limb x, limb y, bool &overflow) noexcept {
> -+  limb z;
> -+// gcc and clang
> -+#if defined(__has_builtin)
> -+#if __has_builtin(__builtin_add_overflow)
> -+  if (!cpp20_and_in_constexpr()) {
> -+    overflow = __builtin_add_overflow(x, y, &z);
> -+    return z;
> -+  }
> -+#endif
> -+#endif
> -+
> -+  // generic, this still optimizes correctly on MSVC.
> -+  z = x + y;
> -+  overflow = z < x;
> -+  return z;
> -+}
> -+
> -+// multiply two small integers, getting both the high and low bits.
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb
> -+scalar_mul(limb x, limb y, limb &carry) noexcept {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+#if defined(__SIZEOF_INT128__)
> -+  // GCC and clang both define it as an extension.
> -+  __uint128_t z = __uint128_t(x) * __uint128_t(y) + __uint128_t(carry);
> -+  carry = limb(z >> limb_bits);
> -+  return limb(z);
> -+#else
> -+  // fallback, no native 128-bit integer multiplication with carry.
> -+  // on msvc, this optimizes identically, somehow.
> -+  value128 z = full_multiplication(x, y);
> -+  bool overflow;
> -+  z.low = scalar_add(z.low, carry, overflow);
> -+  z.high += uint64_t(overflow); // cannot overflow
> -+  carry = z.high;
> -+  return z.low;
> -+#endif
> -+#else
> -+  uint64_t z = uint64_t(x) * uint64_t(y) + uint64_t(carry);
> -+  carry = limb(z >> limb_bits);
> -+  return limb(z);
> -+#endif
> -+}
> -+
> -+// add scalar value to bigint starting from offset.
> -+// used in grade school multiplication
> -+template <uint16_t size>
> -+inline FASTFLOAT_CONSTEXPR20 bool small_add_from(stackvec<size> &vec, limb y,
> -+                                                 size_t start) noexcept {
> -+  size_t index = start;
> -+  limb carry = y;
> -+  bool overflow;
> -+  while (carry != 0 && index < vec.len()) {
> -+    vec[index] = scalar_add(vec[index], carry, overflow);
> -+    carry = limb(overflow);
> -+    index += 1;
> -+  }
> -+  if (carry != 0) {
> -+    FASTFLOAT_TRY(vec.try_push(carry));
> -+  }
> -+  return true;
> -+}
> -+
> -+// add scalar value to bigint.
> -+template <uint16_t size>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+small_add(stackvec<size> &vec, limb y) noexcept {
> -+  return small_add_from(vec, y, 0);
> -+}
> -+
> -+// multiply bigint by scalar value.
> -+template <uint16_t size>
> -+inline FASTFLOAT_CONSTEXPR20 bool small_mul(stackvec<size> &vec,
> -+                                            limb y) noexcept {
> -+  limb carry = 0;
> -+  for (size_t index = 0; index < vec.len(); index++) {
> -+    vec[index] = scalar_mul(vec[index], y, carry);
> -+  }
> -+  if (carry != 0) {
> -+    FASTFLOAT_TRY(vec.try_push(carry));
> -+  }
> -+  return true;
> -+}
> -+
> -+// add bigint to bigint starting from index.
> -+// used in grade school multiplication
> -+template <uint16_t size>
> -+FASTFLOAT_CONSTEXPR20 bool large_add_from(stackvec<size> &x, limb_span y,
> -+                                          size_t start) noexcept {
> -+  // the effective x buffer is from `xstart..x.len()`, so exit early
> -+  // if we can't get that current range.
> -+  if (x.len() < start || y.len() > x.len() - start) {
> -+    FASTFLOAT_TRY(x.try_resize(y.len() + start, 0));
> -+  }
> -+
> -+  bool carry = false;
> -+  for (size_t index = 0; index < y.len(); index++) {
> -+    limb xi = x[index + start];
> -+    limb yi = y[index];
> -+    bool c1 = false;
> -+    bool c2 = false;
> -+    xi = scalar_add(xi, yi, c1);
> -+    if (carry) {
> -+      xi = scalar_add(xi, 1, c2);
> -+    }
> -+    x[index + start] = xi;
> -+    carry = c1 | c2;
> -+  }
> -+
> -+  // handle overflow
> -+  if (carry) {
> -+    FASTFLOAT_TRY(small_add_from(x, 1, y.len() + start));
> -+  }
> -+  return true;
> -+}
> -+
> -+// add bigint to bigint.
> -+template <uint16_t size>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+large_add_from(stackvec<size> &x, limb_span y) noexcept {
> -+  return large_add_from(x, y, 0);
> -+}
> -+
> -+// grade-school multiplication algorithm
> -+template <uint16_t size>
> -+FASTFLOAT_CONSTEXPR20 bool long_mul(stackvec<size> &x, limb_span y) noexcept {
> -+  limb_span xs = limb_span(x.data, x.len());
> -+  stackvec<size> z(xs);
> -+  limb_span zs = limb_span(z.data, z.len());
> -+
> -+  if (y.len() != 0) {
> -+    limb y0 = y[0];
> -+    FASTFLOAT_TRY(small_mul(x, y0));
> -+    for (size_t index = 1; index < y.len(); index++) {
> -+      limb yi = y[index];
> -+      stackvec<size> zi;
> -+      if (yi != 0) {
> -+        // re-use the same buffer throughout
> -+        zi.set_len(0);
> -+        FASTFLOAT_TRY(zi.try_extend(zs));
> -+        FASTFLOAT_TRY(small_mul(zi, yi));
> -+        limb_span zis = limb_span(zi.data, zi.len());
> -+        FASTFLOAT_TRY(large_add_from(x, zis, index));
> -+      }
> -+    }
> -+  }
> -+
> -+  x.normalize();
> -+  return true;
> -+}
> -+
> -+// grade-school multiplication algorithm
> -+template <uint16_t size>
> -+FASTFLOAT_CONSTEXPR20 bool large_mul(stackvec<size> &x, limb_span y) noexcept {
> -+  if (y.len() == 1) {
> -+    FASTFLOAT_TRY(small_mul(x, y[0]));
> -+  } else {
> -+    FASTFLOAT_TRY(long_mul(x, y));
> -+  }
> -+  return true;
> -+}
> -+
> -+template <typename = void> struct pow5_tables {
> -+  static constexpr uint32_t large_step = 135;
> -+  static constexpr uint64_t small_power_of_5[] = {
> -+      1UL,
> -+      5UL,
> -+      25UL,
> -+      125UL,
> -+      625UL,
> -+      3125UL,
> -+      15625UL,
> -+      78125UL,
> -+      390625UL,
> -+      1953125UL,
> -+      9765625UL,
> -+      48828125UL,
> -+      244140625UL,
> -+      1220703125UL,
> -+      6103515625UL,
> -+      30517578125UL,
> -+      152587890625UL,
> -+      762939453125UL,
> -+      3814697265625UL,
> -+      19073486328125UL,
> -+      95367431640625UL,
> -+      476837158203125UL,
> -+      2384185791015625UL,
> -+      11920928955078125UL,
> -+      59604644775390625UL,
> -+      298023223876953125UL,
> -+      1490116119384765625UL,
> -+      7450580596923828125UL,
> -+  };
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+  constexpr static limb large_power_of_5[] = {
> -+      1414648277510068013UL, 9180637584431281687UL, 4539964771860779200UL,
> -+      10482974169319127550UL, 198276706040285095UL};
> -+#else
> -+  constexpr static limb large_power_of_5[] = {
> -+      4279965485U, 329373468U,  4020270615U, 2137533757U, 4287402176U,
> -+      1057042919U, 1071430142U, 2440757623U, 381945767U,  46164893U};
> -+#endif
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename T> constexpr uint32_t pow5_tables<T>::large_step;
> -+
> -+template <typename T> constexpr uint64_t pow5_tables<T>::small_power_of_5[];
> -+
> -+template <typename T> constexpr limb pow5_tables<T>::large_power_of_5[];
> -+
> -+#endif
> -+
> -+// big integer type. implements a small subset of big integer
> -+// arithmetic, using simple algorithms since asymptotically
> -+// faster algorithms are slower for a small number of limbs.
> -+// all operations assume the big-integer is normalized.
> -+struct bigint : pow5_tables<> {
> -+  // storage of the limbs, in little-endian order.
> -+  stackvec<bigint_limbs> vec;
> -+
> -+  FASTFLOAT_CONSTEXPR20 bigint() : vec() {}
> -+  bigint(const bigint &) = delete;
> -+  bigint &operator=(const bigint &) = delete;
> -+  bigint(bigint &&) = delete;
> -+  bigint &operator=(bigint &&other) = delete;
> -+
> -+  FASTFLOAT_CONSTEXPR20 bigint(uint64_t value) : vec() {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+    vec.push_unchecked(value);
> -+#else
> -+    vec.push_unchecked(uint32_t(value));
> -+    vec.push_unchecked(uint32_t(value >> 32));
> -+#endif
> -+    vec.normalize();
> -+  }
> -+
> -+  // get the high 64 bits from the vector, and if bits were truncated.
> -+  // this is to get the significant digits for the float.
> -+  FASTFLOAT_CONSTEXPR20 uint64_t hi64(bool &truncated) const noexcept {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+    if (vec.len() == 0) {
> -+      return empty_hi64(truncated);
> -+    } else if (vec.len() == 1) {
> -+      return uint64_hi64(vec.rindex(0), truncated);
> -+    } else {
> -+      uint64_t result = uint64_hi64(vec.rindex(0), vec.rindex(1), truncated);
> -+      truncated |= vec.nonzero(2);
> -+      return result;
> -+    }
> -+#else
> -+    if (vec.len() == 0) {
> -+      return empty_hi64(truncated);
> -+    } else if (vec.len() == 1) {
> -+      return uint32_hi64(vec.rindex(0), truncated);
> -+    } else if (vec.len() == 2) {
> -+      return uint32_hi64(vec.rindex(0), vec.rindex(1), truncated);
> -+    } else {
> -+      uint64_t result =
> -+          uint32_hi64(vec.rindex(0), vec.rindex(1), vec.rindex(2), truncated);
> -+      truncated |= vec.nonzero(3);
> -+      return result;
> -+    }
> -+#endif
> -+  }
> -+
> -+  // compare two big integers, returning the large value.
> -+  // assumes both are normalized. if the return value is
> -+  // negative, other is larger, if the return value is
> -+  // positive, this is larger, otherwise they are equal.
> -+  // the limbs are stored in little-endian order, so we
> -+  // must compare the limbs in ever order.
> -+  FASTFLOAT_CONSTEXPR20 int compare(const bigint &other) const noexcept {
> -+    if (vec.len() > other.vec.len()) {
> -+      return 1;
> -+    } else if (vec.len() < other.vec.len()) {
> -+      return -1;
> -+    } else {
> -+      for (size_t index = vec.len(); index > 0; index--) {
> -+        limb xi = vec[index - 1];
> -+        limb yi = other.vec[index - 1];
> -+        if (xi > yi) {
> -+          return 1;
> -+        } else if (xi < yi) {
> -+          return -1;
> -+        }
> -+      }
> -+      return 0;
> -+    }
> -+  }
> -+
> -+  // shift left each limb n bits, carrying over to the new limb
> -+  // returns true if we were able to shift all the digits.
> -+  FASTFLOAT_CONSTEXPR20 bool shl_bits(size_t n) noexcept {
> -+    // Internally, for each item, we shift left by n, and add the previous
> -+    // right shifted limb-bits.
> -+    // For example, we transform (for u8) shifted left 2, to:
> -+    //      b10100100 b01000010
> -+    //      b10 b10010001 b00001000
> -+    FASTFLOAT_DEBUG_ASSERT(n != 0);
> -+    FASTFLOAT_DEBUG_ASSERT(n < sizeof(limb) * 8);
> -+
> -+    size_t shl = n;
> -+    size_t shr = limb_bits - shl;
> -+    limb prev = 0;
> -+    for (size_t index = 0; index < vec.len(); index++) {
> -+      limb xi = vec[index];
> -+      vec[index] = (xi << shl) | (prev >> shr);
> -+      prev = xi;
> -+    }
> -+
> -+    limb carry = prev >> shr;
> -+    if (carry != 0) {
> -+      return vec.try_push(carry);
> -+    }
> -+    return true;
> -+  }
> -+
> -+  // move the limbs left by `n` limbs.
> -+  FASTFLOAT_CONSTEXPR20 bool shl_limbs(size_t n) noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(n != 0);
> -+    if (n + vec.len() > vec.capacity()) {
> -+      return false;
> -+    } else if (!vec.is_empty()) {
> -+      // move limbs
> -+      limb *dst = vec.data + n;
> -+      const limb *src = vec.data;
> -+      std::copy_backward(src, src + vec.len(), dst + vec.len());
> -+      // fill in empty limbs
> -+      limb *first = vec.data;
> -+      limb *last = first + n;
> -+      ::std::fill(first, last, 0);
> -+      vec.set_len(n + vec.len());
> -+      return true;
> -+    } else {
> -+      return true;
> -+    }
> -+  }
> -+
> -+  // move the limbs left by `n` bits.
> -+  FASTFLOAT_CONSTEXPR20 bool shl(size_t n) noexcept {
> -+    size_t rem = n % limb_bits;
> -+    size_t div = n / limb_bits;
> -+    if (rem != 0) {
> -+      FASTFLOAT_TRY(shl_bits(rem));
> -+    }
> -+    if (div != 0) {
> -+      FASTFLOAT_TRY(shl_limbs(div));
> -+    }
> -+    return true;
> -+  }
> -+
> -+  // get the number of leading zeros in the bigint.
> -+  FASTFLOAT_CONSTEXPR20 int ctlz() const noexcept {
> -+    if (vec.is_empty()) {
> -+      return 0;
> -+    } else {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+      return leading_zeroes(vec.rindex(0));
> -+#else
> -+      // no use defining a specialized leading_zeroes for a 32-bit type.
> -+      uint64_t r0 = vec.rindex(0);
> -+      return leading_zeroes(r0 << 32);
> -+#endif
> -+    }
> -+  }
> -+
> -+  // get the number of bits in the bigint.
> -+  FASTFLOAT_CONSTEXPR20 int bit_length() const noexcept {
> -+    int lz = ctlz();
> -+    return int(limb_bits * vec.len()) - lz;
> -+  }
> -+
> -+  FASTFLOAT_CONSTEXPR20 bool mul(limb y) noexcept { return small_mul(vec, y); }
> -+
> -+  FASTFLOAT_CONSTEXPR20 bool add(limb y) noexcept { return small_add(vec, y); }
> -+
> -+  // multiply as if by 2 raised to a power.
> -+  FASTFLOAT_CONSTEXPR20 bool pow2(uint32_t exp) noexcept { return shl(exp); }
> -+
> -+  // multiply as if by 5 raised to a power.
> -+  FASTFLOAT_CONSTEXPR20 bool pow5(uint32_t exp) noexcept {
> -+    // multiply by a power of 5
> -+    size_t large_length = sizeof(large_power_of_5) / sizeof(limb);
> -+    limb_span large = limb_span(large_power_of_5, large_length);
> -+    while (exp >= large_step) {
> -+      FASTFLOAT_TRY(large_mul(vec, large));
> -+      exp -= large_step;
> -+    }
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+    uint32_t small_step = 27;
> -+    limb max_native = 7450580596923828125UL;
> -+#else
> -+    uint32_t small_step = 13;
> -+    limb max_native = 1220703125U;
> -+#endif
> -+    while (exp >= small_step) {
> -+      FASTFLOAT_TRY(small_mul(vec, max_native));
> -+      exp -= small_step;
> -+    }
> -+    if (exp != 0) {
> -+      // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+      // This is similar to https://github.com/llvm/llvm-project/issues/47746,
> -+      // except the workaround described there don't work here
> -+      FASTFLOAT_TRY(small_mul(
> -+          vec, limb(((void)small_power_of_5[0], small_power_of_5[exp]))));
> -+    }
> -+
> -+    return true;
> -+  }
> -+
> -+  // multiply as if by 10 raised to a power.
> -+  FASTFLOAT_CONSTEXPR20 bool pow10(uint32_t exp) noexcept {
> -+    FASTFLOAT_TRY(pow5(exp));
> -+    return pow2(exp);
> -+  }
> -+};
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_DIGIT_COMPARISON_H
> -+#define FASTFLOAT_DIGIT_COMPARISON_H
> -+
> -+#include <algorithm>
> -+#include <cstdint>
> -+#include <cstring>
> -+#include <iterator>
> -+
> -+
> -+namespace fast_float {
> -+
> -+// 1e0 to 1e19
> -+constexpr static uint64_t powers_of_ten_uint64[] = {1UL,
> -+                                                    10UL,
> -+                                                    100UL,
> -+                                                    1000UL,
> -+                                                    10000UL,
> -+                                                    100000UL,
> -+                                                    1000000UL,
> -+                                                    10000000UL,
> -+                                                    100000000UL,
> -+                                                    1000000000UL,
> -+                                                    10000000000UL,
> -+                                                    100000000000UL,
> -+                                                    1000000000000UL,
> -+                                                    10000000000000UL,
> -+                                                    100000000000000UL,
> -+                                                    1000000000000000UL,
> -+                                                    10000000000000000UL,
> -+                                                    100000000000000000UL,
> -+                                                    1000000000000000000UL,
> -+                                                    10000000000000000000UL};
> -+
> -+// calculate the exponent, in scientific notation, of the number.
> -+// this algorithm is not even close to optimized, but it has no practical
> -+// effect on performance: in order to have a faster algorithm, we'd need
> -+// to slow down performance for faster algorithms, and this is still fast.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int32_t
> -+scientific_exponent(parsed_number_string_t<UC> &num) noexcept {
> -+  uint64_t mantissa = num.mantissa;
> -+  int32_t exponent = int32_t(num.exponent);
> -+  while (mantissa >= 10000) {
> -+    mantissa /= 10000;
> -+    exponent += 4;
> -+  }
> -+  while (mantissa >= 100) {
> -+    mantissa /= 100;
> -+    exponent += 2;
> -+  }
> -+  while (mantissa >= 10) {
> -+    mantissa /= 10;
> -+    exponent += 1;
> -+  }
> -+  return exponent;
> -+}
> -+
> -+// this converts a native floating-point number to an extended-precision float.
> -+template <typename T>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+to_extended(T value) noexcept {
> -+  using equiv_uint = typename binary_format<T>::equiv_uint;
> -+  constexpr equiv_uint exponent_mask = binary_format<T>::exponent_mask();
> -+  constexpr equiv_uint mantissa_mask = binary_format<T>::mantissa_mask();
> -+  constexpr equiv_uint hidden_bit_mask = binary_format<T>::hidden_bit_mask();
> -+
> -+  adjusted_mantissa am;
> -+  int32_t bias = binary_format<T>::mantissa_explicit_bits() -
> -+                 binary_format<T>::minimum_exponent();
> -+  equiv_uint bits;
> -+#if FASTFLOAT_HAS_BIT_CAST
> -+  bits = std::bit_cast<equiv_uint>(value);
> -+#else
> -+  ::memcpy(&bits, &value, sizeof(T));
> -+#endif
> -+  if ((bits & exponent_mask) == 0) {
> -+    // denormal
> -+    am.power2 = 1 - bias;
> -+    am.mantissa = bits & mantissa_mask;
> -+  } else {
> -+    // normal
> -+    am.power2 = int32_t((bits & exponent_mask) >>
> -+                        binary_format<T>::mantissa_explicit_bits());
> -+    am.power2 -= bias;
> -+    am.mantissa = (bits & mantissa_mask) | hidden_bit_mask;
> -+  }
> -+
> -+  return am;
> -+}
> -+
> -+// get the extended precision value of the halfway point between b and b+u.
> -+// we are given a native float that represents b, so we need to adjust it
> -+// halfway between b and b+u.
> -+template <typename T>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+to_extended_halfway(T value) noexcept {
> -+  adjusted_mantissa am = to_extended(value);
> -+  am.mantissa <<= 1;
> -+  am.mantissa += 1;
> -+  am.power2 -= 1;
> -+  return am;
> -+}
> -+
> -+// round an extended-precision float to the nearest machine float.
> -+template <typename T, typename callback>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void round(adjusted_mantissa &am,
> -+                                                         callback cb) noexcept {
> -+  int32_t mantissa_shift = 64 - binary_format<T>::mantissa_explicit_bits() - 1;
> -+  if (-am.power2 >= mantissa_shift) {
> -+    // have a denormal float
> -+    int32_t shift = -am.power2 + 1;
> -+    cb(am, std::min<int32_t>(shift, 64));
> -+    // check for round-up: if rounding-nearest carried us to the hidden bit.
> -+    am.power2 = (am.mantissa <
> -+                 (uint64_t(1) << binary_format<T>::mantissa_explicit_bits()))
> -+                    ? 0
> -+                    : 1;
> -+    return;
> -+  }
> -+
> -+  // have a normal float, use the default shift.
> -+  cb(am, mantissa_shift);
> -+
> -+  // check for carry
> -+  if (am.mantissa >=
> -+      (uint64_t(2) << binary_format<T>::mantissa_explicit_bits())) {
> -+    am.mantissa = (uint64_t(1) << binary_format<T>::mantissa_explicit_bits());
> -+    am.power2++;
> -+  }
> -+
> -+  // check for infinite: we could have carried to an infinite power
> -+  am.mantissa &= ~(uint64_t(1) << binary_format<T>::mantissa_explicit_bits());
> -+  if (am.power2 >= binary_format<T>::infinite_power()) {
> -+    am.power2 = binary_format<T>::infinite_power();
> -+    am.mantissa = 0;
> -+  }
> -+}
> -+
> -+template <typename callback>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
> -+round_nearest_tie_even(adjusted_mantissa &am, int32_t shift,
> -+                       callback cb) noexcept {
> -+  const uint64_t mask = (shift == 64) ? UINT64_MAX : (uint64_t(1) << shift) - 1;
> -+  const uint64_t halfway = (shift == 0) ? 0 : uint64_t(1) << (shift - 1);
> -+  uint64_t truncated_bits = am.mantissa & mask;
> -+  bool is_above = truncated_bits > halfway;
> -+  bool is_halfway = truncated_bits == halfway;
> -+
> -+  // shift digits into position
> -+  if (shift == 64) {
> -+    am.mantissa = 0;
> -+  } else {
> -+    am.mantissa >>= shift;
> -+  }
> -+  am.power2 += shift;
> -+
> -+  bool is_odd = (am.mantissa & 1) == 1;
> -+  am.mantissa += uint64_t(cb(is_odd, is_halfway, is_above));
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
> -+round_down(adjusted_mantissa &am, int32_t shift) noexcept {
> -+  if (shift == 64) {
> -+    am.mantissa = 0;
> -+  } else {
> -+    am.mantissa >>= shift;
> -+  }
> -+  am.power2 += shift;
> -+}
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+skip_zeros(UC const *&first, UC const *last) noexcept {
> -+  uint64_t val;
> -+  while (!cpp20_and_in_constexpr() &&
> -+         std::distance(first, last) >= int_cmp_len<UC>()) {
> -+    ::memcpy(&val, first, sizeof(uint64_t));
> -+    if (val != int_cmp_zeros<UC>()) {
> -+      break;
> -+    }
> -+    first += int_cmp_len<UC>();
> -+  }
> -+  while (first != last) {
> -+    if (*first != UC('0')) {
> -+      break;
> -+    }
> -+    first++;
> -+  }
> -+}
> -+
> -+// determine if any non-zero digits were truncated.
> -+// all characters must be valid digits.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+is_truncated(UC const *first, UC const *last) noexcept {
> -+  // do 8-bit optimizations, can just compare to 8 literal 0s.
> -+  uint64_t val;
> -+  while (!cpp20_and_in_constexpr() &&
> -+         std::distance(first, last) >= int_cmp_len<UC>()) {
> -+    ::memcpy(&val, first, sizeof(uint64_t));
> -+    if (val != int_cmp_zeros<UC>()) {
> -+      return true;
> -+    }
> -+    first += int_cmp_len<UC>();
> -+  }
> -+  while (first != last) {
> -+    if (*first != UC('0')) {
> -+      return true;
> -+    }
> -+    ++first;
> -+  }
> -+  return false;
> -+}
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+is_truncated(span<const UC> s) noexcept {
> -+  return is_truncated(s.ptr, s.ptr + s.len());
> -+}
> -+
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+parse_eight_digits(const UC *&p, limb &value, size_t &counter,
> -+                   size_t &count) noexcept {
> -+  value = value * 100000000 + parse_eight_digits_unrolled(p);
> -+  p += 8;
> -+  counter += 8;
> -+  count += 8;
> -+}
> -+
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
> -+parse_one_digit(UC const *&p, limb &value, size_t &counter,
> -+                size_t &count) noexcept {
> -+  value = value * 10 + limb(*p - UC('0'));
> -+  p++;
> -+  counter++;
> -+  count++;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+add_native(bigint &big, limb power, limb value) noexcept {
> -+  big.mul(power);
> -+  big.add(value);
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+round_up_bigint(bigint &big, size_t &count) noexcept {
> -+  // need to round-up the digits, but need to avoid rounding
> -+  // ....9999 to ...10000, which could cause a false halfway point.
> -+  add_native(big, 10, 1);
> -+  count++;
> -+}
> -+
> -+// parse the significant digits into a big integer
> -+template <typename UC>
> -+inline FASTFLOAT_CONSTEXPR20 void
> -+parse_mantissa(bigint &result, parsed_number_string_t<UC> &num,
> -+               size_t max_digits, size_t &digits) noexcept {
> -+  // try to minimize the number of big integer and scalar multiplication.
> -+  // therefore, try to parse 8 digits at a time, and multiply by the largest
> -+  // scalar value (9 or 19 digits) for each step.
> -+  size_t counter = 0;
> -+  digits = 0;
> -+  limb value = 0;
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+  size_t step = 19;
> -+#else
> -+  size_t step = 9;
> -+#endif
> -+
> -+  // process all integer digits.
> -+  UC const *p = num.integer.ptr;
> -+  UC const *pend = p + num.integer.len();
> -+  skip_zeros(p, pend);
> -+  // process all digits, in increments of step per loop
> -+  while (p != pend) {
> -+    while ((std::distance(p, pend) >= 8) && (step - counter >= 8) &&
> -+           (max_digits - digits >= 8)) {
> -+      parse_eight_digits(p, value, counter, digits);
> -+    }
> -+    while (counter < step && p != pend && digits < max_digits) {
> -+      parse_one_digit(p, value, counter, digits);
> -+    }
> -+    if (digits == max_digits) {
> -+      // add the temporary value, then check if we've truncated any digits
> -+      add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+      bool truncated = is_truncated(p, pend);
> -+      if (num.fraction.ptr != nullptr) {
> -+        truncated |= is_truncated(num.fraction);
> -+      }
> -+      if (truncated) {
> -+        round_up_bigint(result, digits);
> -+      }
> -+      return;
> -+    } else {
> -+      add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+      counter = 0;
> -+      value = 0;
> -+    }
> -+  }
> -+
> -+  // add our fraction digits, if they're available.
> -+  if (num.fraction.ptr != nullptr) {
> -+    p = num.fraction.ptr;
> -+    pend = p + num.fraction.len();
> -+    if (digits == 0) {
> -+      skip_zeros(p, pend);
> -+    }
> -+    // process all digits, in increments of step per loop
> -+    while (p != pend) {
> -+      while ((std::distance(p, pend) >= 8) && (step - counter >= 8) &&
> -+             (max_digits - digits >= 8)) {
> -+        parse_eight_digits(p, value, counter, digits);
> -+      }
> -+      while (counter < step && p != pend && digits < max_digits) {
> -+        parse_one_digit(p, value, counter, digits);
> -+      }
> -+      if (digits == max_digits) {
> -+        // add the temporary value, then check if we've truncated any digits
> -+        add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+        bool truncated = is_truncated(p, pend);
> -+        if (truncated) {
> -+          round_up_bigint(result, digits);
> -+        }
> -+        return;
> -+      } else {
> -+        add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+        counter = 0;
> -+        value = 0;
> -+      }
> -+    }
> -+  }
> -+
> -+  if (counter != 0) {
> -+    add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+  }
> -+}
> -+
> -+template <typename T>
> -+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+positive_digit_comp(bigint &bigmant, int32_t exponent) noexcept {
> -+  FASTFLOAT_ASSERT(bigmant.pow10(uint32_t(exponent)));
> -+  adjusted_mantissa answer;
> -+  bool truncated;
> -+  answer.mantissa = bigmant.hi64(truncated);
> -+  int bias = binary_format<T>::mantissa_explicit_bits() -
> -+             binary_format<T>::minimum_exponent();
> -+  answer.power2 = bigmant.bit_length() - 64 + bias;
> -+
> -+  round<T>(answer, [truncated](adjusted_mantissa &a, int32_t shift) {
> -+    round_nearest_tie_even(
> -+        a, shift,
> -+        [truncated](bool is_odd, bool is_halfway, bool is_above) -> bool {
> -+          return is_above || (is_halfway && truncated) ||
> -+                 (is_odd && is_halfway);
> -+        });
> -+  });
> -+
> -+  return answer;
> -+}
> -+
> -+// the scaling here is quite simple: we have, for the real digits `m * 10^e`,
> -+// and for the theoretical digits `n * 2^f`. Since `e` is always negative,
> -+// to scale them identically, we do `n * 2^f * 5^-f`, so we now have `m * 2^e`.
> -+// we then need to scale by `2^(f- e)`, and then the two significant digits
> -+// are of the same magnitude.
> -+template <typename T>
> -+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa negative_digit_comp(
> -+    bigint &bigmant, adjusted_mantissa am, int32_t exponent) noexcept {
> -+  bigint &real_digits = bigmant;
> -+  int32_t real_exp = exponent;
> -+
> -+  // get the value of `b`, rounded down, and get a bigint representation of b+h
> -+  adjusted_mantissa am_b = am;
> -+  // gcc7 buf: use a lambda to remove the noexcept qualifier bug with
> -+  // -Wnoexcept-type.
> -+  round<T>(am_b,
> -+           [](adjusted_mantissa &a, int32_t shift) { round_down(a, shift); });
> -+  T b;
> -+  to_float(false, am_b, b);
> -+  adjusted_mantissa theor = to_extended_halfway(b);
> -+  bigint theor_digits(theor.mantissa);
> -+  int32_t theor_exp = theor.power2;
> -+
> -+  // scale real digits and theor digits to be same power.
> -+  int32_t pow2_exp = theor_exp - real_exp;
> -+  uint32_t pow5_exp = uint32_t(-real_exp);
> -+  if (pow5_exp != 0) {
> -+    FASTFLOAT_ASSERT(theor_digits.pow5(pow5_exp));
> -+  }
> -+  if (pow2_exp > 0) {
> -+    FASTFLOAT_ASSERT(theor_digits.pow2(uint32_t(pow2_exp)));
> -+  } else if (pow2_exp < 0) {
> -+    FASTFLOAT_ASSERT(real_digits.pow2(uint32_t(-pow2_exp)));
> -+  }
> -+
> -+  // compare digits, and use it to director rounding
> -+  int ord = real_digits.compare(theor_digits);
> -+  adjusted_mantissa answer = am;
> -+  round<T>(answer, [ord](adjusted_mantissa &a, int32_t shift) {
> -+    round_nearest_tie_even(
> -+        a, shift, [ord](bool is_odd, bool _, bool __) -> bool {
> -+          (void)_;  // not needed, since we've done our comparison
> -+          (void)__; // not needed, since we've done our comparison
> -+          if (ord > 0) {
> -+            return true;
> -+          } else if (ord < 0) {
> -+            return false;
> -+          } else {
> -+            return is_odd;
> -+          }
> -+        });
> -+  });
> -+
> -+  return answer;
> -+}
> -+
> -+// parse the significant digits as a big integer to unambiguously round the
> -+// the significant digits. here, we are trying to determine how to round
> -+// an extended float representation close to `b+h`, halfway between `b`
> -+// (the float rounded-down) and `b+u`, the next positive float. this
> -+// algorithm is always correct, and uses one of two approaches. when
> -+// the exponent is positive relative to the significant digits (such as
> -+// 1234), we create a big-integer representation, get the high 64-bits,
> -+// determine if any lower bits are truncated, and use that to direct
> -+// rounding. in case of a negative exponent relative to the significant
> -+// digits (such as 1.2345), we create a theoretical representation of
> -+// `b` as a big-integer type, scaled to the same binary exponent as
> -+// the actual digits. we then compare the big integer representations
> -+// of both, and use that to direct rounding.
> -+template <typename T, typename UC>
> -+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+digit_comp(parsed_number_string_t<UC> &num, adjusted_mantissa am) noexcept {
> -+  // remove the invalid exponent bias
> -+  am.power2 -= invalid_am_bias;
> -+
> -+  int32_t sci_exp = scientific_exponent(num);
> -+  size_t max_digits = binary_format<T>::max_digits();
> -+  size_t digits = 0;
> -+  bigint bigmant;
> -+  parse_mantissa(bigmant, num, max_digits, digits);
> -+  // can't underflow, since digits is at most max_digits.
> -+  int32_t exponent = sci_exp + 1 - int32_t(digits);
> -+  if (exponent >= 0) {
> -+    return positive_digit_comp<T>(bigmant, exponent);
> -+  } else {
> -+    return negative_digit_comp<T>(bigmant, am, exponent);
> -+  }
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_PARSE_NUMBER_H
> -+#define FASTFLOAT_PARSE_NUMBER_H
> -+
> -+
> -+#include <cmath>
> -+#include <cstring>
> -+#include <limits>
> -+#include <system_error>
> -+namespace fast_float {
> -+
> -+namespace detail {
> -+/**
> -+ * Special case +inf, -inf, nan, infinity, -infinity.
> -+ * The case comparisons could be made much faster given that we know that the
> -+ * strings a null-free and fixed.
> -+ **/
> -+template <typename T, typename UC>
> -+from_chars_result_t<UC> FASTFLOAT_CONSTEXPR14 parse_infnan(UC const *first,
> -+                                                           UC const *last,
> -+                                                           T &value) noexcept {
> -+  from_chars_result_t<UC> answer{};
> -+  answer.ptr = first;
> -+  answer.ec = std::errc(); // be optimistic
> -+  bool minusSign = false;
> -+  if (*first ==
> -+      UC('-')) { // assume first < last, so dereference without checks;
> -+                 // C++17 20.19.3.(7.1) explicitly forbids '+' here
> -+    minusSign = true;
> -+    ++first;
> -+  }
> -+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
> -+  if (*first == UC('+')) {
> -+    ++first;
> -+  }
> -+#endif
> -+  if (last - first >= 3) {
> -+    if (fastfloat_strncasecmp(first, str_const_nan<UC>(), 3)) {
> -+      answer.ptr = (first += 3);
> -+      value = minusSign ? -std::numeric_limits<T>::quiet_NaN()
> -+                        : std::numeric_limits<T>::quiet_NaN();
> -+      // Check for possible nan(n-char-seq-opt), C++17 20.19.3.7,
> -+      // C11 7.20.1.3.3. At least MSVC produces nan(ind) and nan(snan).
> -+      if (first != last && *first == UC('(')) {
> -+        for (UC const *ptr = first + 1; ptr != last; ++ptr) {
> -+          if (*ptr == UC(')')) {
> -+            answer.ptr = ptr + 1; // valid nan(n-char-seq-opt)
> -+            break;
> -+          } else if (!((UC('a') <= *ptr && *ptr <= UC('z')) ||
> -+                       (UC('A') <= *ptr && *ptr <= UC('Z')) ||
> -+                       (UC('0') <= *ptr && *ptr <= UC('9')) || *ptr == UC('_')))
> -+            break; // forbidden char, not nan(n-char-seq-opt)
> -+        }
> -+      }
> -+      return answer;
> -+    }
> -+    if (fastfloat_strncasecmp(first, str_const_inf<UC>(), 3)) {
> -+      if ((last - first >= 8) &&
> -+          fastfloat_strncasecmp(first + 3, str_const_inf<UC>() + 3, 5)) {
> -+        answer.ptr = first + 8;
> -+      } else {
> -+        answer.ptr = first + 3;
> -+      }
> -+      value = minusSign ? -std::numeric_limits<T>::infinity()
> -+                        : std::numeric_limits<T>::infinity();
> -+      return answer;
> -+    }
> -+  }
> -+  answer.ec = std::errc::invalid_argument;
> -+  return answer;
> -+}
> -+
> -+/**
> -+ * Returns true if the floating-pointing rounding mode is to 'nearest'.
> -+ * It is the default on most system. This function is meant to be inexpensive.
> -+ * Credit : @mwalcott3
> -+ */
> -+fastfloat_really_inline bool rounds_to_nearest() noexcept {
> -+  // https://lemire.me/blog/2020/06/26/gcc-not-nearest/
> -+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
> -+  return false;
> -+#endif
> -+  // See
> -+  // A fast function to check your floating-point rounding mode
> -+  // https://lemire.me/blog/2022/11/16/a-fast-function-to-check-your-floating-point-rounding-mode/
> -+  //
> -+  // This function is meant to be equivalent to :
> -+  // prior: #include <cfenv>
> -+  //  return fegetround() == FE_TONEAREST;
> -+  // However, it is expected to be much faster than the fegetround()
> -+  // function call.
> -+  //
> -+  // The volatile keywoard prevents the compiler from computing the function
> -+  // at compile-time.
> -+  // There might be other ways to prevent compile-time optimizations (e.g.,
> -+  // asm). The value does not need to be std::numeric_limits<float>::min(), any
> -+  // small value so that 1 + x should round to 1 would do (after accounting for
> -+  // excess precision, as in 387 instructions).
> -+  static volatile float fmin = std::numeric_limits<float>::min();
> -+  float fmini = fmin; // we copy it so that it gets loaded at most once.
> -+//
> -+// Explanation:
> -+// Only when fegetround() == FE_TONEAREST do we have that
> -+// fmin + 1.0f == 1.0f - fmin.
> -+//
> -+// FE_UPWARD:
> -+//  fmin + 1.0f > 1
> -+//  1.0f - fmin == 1
> -+//
> -+// FE_DOWNWARD or  FE_TOWARDZERO:
> -+//  fmin + 1.0f == 1
> -+//  1.0f - fmin < 1
> -+//
> -+// Note: This may fail to be accurate if fast-math has been
> -+// enabled, as rounding conventions may not apply.
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(push)
> -+//  todo: is there a VS warning?
> -+//  see
> -+//  https://stackoverflow.com/questions/46079446/is-there-a-warning-for-floating-point-equality-checking-in-visual-studio-2013
> -+#elif defined(__clang__)
> -+#pragma clang diagnostic push
> -+#pragma clang diagnostic ignored "-Wfloat-equal"
> -+#elif defined(__GNUC__)
> -+#pragma GCC diagnostic push
> -+#pragma GCC diagnostic ignored "-Wfloat-equal"
> -+#endif
> -+  return (fmini + 1.0f == 1.0f - fmini);
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(pop)
> -+#elif defined(__clang__)
> -+#pragma clang diagnostic pop
> -+#elif defined(__GNUC__)
> -+#pragma GCC diagnostic pop
> -+#endif
> -+}
> -+
> -+} // namespace detail
> -+
> -+template <typename T> struct from_chars_caller {
> -+  template <typename UC>
> -+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
> -+  call(UC const *first, UC const *last, T &value,
> -+       parse_options_t<UC> options) noexcept {
> -+    return from_chars_advanced(first, last, value, options);
> -+  }
> -+};
> -+
> -+#if __STDCPP_FLOAT32_T__ == 1
> -+template <> struct from_chars_caller<std::float32_t> {
> -+  template <typename UC>
> -+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
> -+  call(UC const *first, UC const *last, std::float32_t &value,
> -+       parse_options_t<UC> options) noexcept {
> -+    // if std::float32_t is defined, and we are in C++23 mode; macro set for
> -+    // float32; set value to float due to equivalence between float and
> -+    // float32_t
> -+    float val;
> -+    auto ret = from_chars_advanced(first, last, val, options);
> -+    value = val;
> -+    return ret;
> -+  }
> -+};
> -+#endif
> -+
> -+#if __STDCPP_FLOAT64_T__ == 1
> -+template <> struct from_chars_caller<std::float64_t> {
> -+  template <typename UC>
> -+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
> -+  call(UC const *first, UC const *last, std::float64_t &value,
> -+       parse_options_t<UC> options) noexcept {
> -+    // if std::float64_t is defined, and we are in C++23 mode; macro set for
> -+    // float64; set value as double due to equivalence between double and
> -+    // float64_t
> -+    double val;
> -+    auto ret = from_chars_advanced(first, last, val, options);
> -+    value = val;
> -+    return ret;
> -+  }
> -+};
> -+#endif
> -+
> -+template <typename T, typename UC, typename>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value,
> -+           chars_format fmt /*= chars_format::general*/) noexcept {
> -+  return from_chars_caller<T>::call(first, last, value,
> -+                                    parse_options_t<UC>(fmt));
> -+}
> -+
> -+/**
> -+ * This function overload takes parsed_number_string_t structure that is created
> -+ * and populated either by from_chars_advanced function taking chars range and
> -+ * parsing options or other parsing custom function implemented by user.
> -+ */
> -+template <typename T, typename UC>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars_advanced(parsed_number_string_t<UC> &pns, T &value) noexcept {
> -+
> -+  static_assert(is_supported_float_type<T>(),
> -+                "only some floating-point types are supported");
> -+  static_assert(is_supported_char_type<UC>(),
> -+                "only char, wchar_t, char16_t and char32_t are supported");
> -+
> -+  from_chars_result_t<UC> answer;
> -+
> -+  answer.ec = std::errc(); // be optimistic
> -+  answer.ptr = pns.lastmatch;
> -+  // The implementation of the Clinger's fast path is convoluted because
> -+  // we want round-to-nearest in all cases, irrespective of the rounding mode
> -+  // selected on the thread.
> -+  // We proceed optimistically, assuming that detail::rounds_to_nearest()
> -+  // returns true.
> -+  if (binary_format<T>::min_exponent_fast_path() <= pns.exponent &&
> -+      pns.exponent <= binary_format<T>::max_exponent_fast_path() &&
> -+      !pns.too_many_digits) {
> -+    // Unfortunately, the conventional Clinger's fast path is only possible
> -+    // when the system rounds to the nearest float.
> -+    //
> -+    // We expect the next branch to almost always be selected.
> -+    // We could check it first (before the previous branch), but
> -+    // there might be performance advantages at having the check
> -+    // be last.
> -+    if (!cpp20_and_in_constexpr() && detail::rounds_to_nearest()) {
> -+      // We have that fegetround() == FE_TONEAREST.
> -+      // Next is Clinger's fast path.
> -+      if (pns.mantissa <= binary_format<T>::max_mantissa_fast_path()) {
> -+        value = T(pns.mantissa);
> -+        if (pns.exponent < 0) {
> -+          value = value / binary_format<T>::exact_power_of_ten(-pns.exponent);
> -+        } else {
> -+          value = value * binary_format<T>::exact_power_of_ten(pns.exponent);
> -+        }
> -+        if (pns.negative) {
> -+          value = -value;
> -+        }
> -+        return answer;
> -+      }
> -+    } else {
> -+      // We do not have that fegetround() == FE_TONEAREST.
> -+      // Next is a modified Clinger's fast path, inspired by Jakub Jelínek's
> -+      // proposal
> -+      if (pns.exponent >= 0 &&
> -+          pns.mantissa <=
> -+              binary_format<T>::max_mantissa_fast_path(pns.exponent)) {
> -+#if defined(__clang__) || defined(FASTFLOAT_32BIT)
> -+        // Clang may map 0 to -0.0 when fegetround() == FE_DOWNWARD
> -+        if (pns.mantissa == 0) {
> -+          value = pns.negative ? T(-0.) : T(0.);
> -+          return answer;
> -+        }
> -+#endif
> -+        value = T(pns.mantissa) *
> -+                binary_format<T>::exact_power_of_ten(pns.exponent);
> -+        if (pns.negative) {
> -+          value = -value;
> -+        }
> -+        return answer;
> -+      }
> -+    }
> -+  }
> -+  adjusted_mantissa am =
> -+      compute_float<binary_format<T>>(pns.exponent, pns.mantissa);
> -+  if (pns.too_many_digits && am.power2 >= 0) {
> -+    if (am != compute_float<binary_format<T>>(pns.exponent, pns.mantissa + 1)) {
> -+      am = compute_error<binary_format<T>>(pns.exponent, pns.mantissa);
> -+    }
> -+  }
> -+  // If we called compute_float<binary_format<T>>(pns.exponent, pns.mantissa)
> -+  // and we have an invalid power (am.power2 < 0), then we need to go the long
> -+  // way around again. This is very uncommon.
> -+  if (am.power2 < 0) {
> -+    am = digit_comp<T>(pns, am);
> -+  }
> -+  to_float(pns.negative, am, value);
> -+  // Test for over/underflow.
> -+  if ((pns.mantissa != 0 && am.mantissa == 0 && am.power2 == 0) ||
> -+      am.power2 == binary_format<T>::infinite_power()) {
> -+    answer.ec = std::errc::result_out_of_range;
> -+  }
> -+  return answer;
> -+}
> -+
> -+template <typename T, typename UC>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars_advanced(UC const *first, UC const *last, T &value,
> -+                    parse_options_t<UC> options) noexcept {
> -+
> -+  static_assert(is_supported_float_type<T>(),
> -+                "only some floating-point types are supported");
> -+  static_assert(is_supported_char_type<UC>(),
> -+                "only char, wchar_t, char16_t and char32_t are supported");
> -+
> -+  from_chars_result_t<UC> answer;
> -+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
> -+  while ((first != last) && fast_float::is_space(uint8_t(*first))) {
> -+    first++;
> -+  }
> -+#endif
> -+  if (first == last) {
> -+    answer.ec = std::errc::invalid_argument;
> -+    answer.ptr = first;
> -+    return answer;
> -+  }
> -+  parsed_number_string_t<UC> pns =
> -+      parse_number_string<UC>(first, last, options);
> -+  if (!pns.valid) {
> -+    if (options.format & chars_format::no_infnan) {
> -+      answer.ec = std::errc::invalid_argument;
> -+      answer.ptr = first;
> -+      return answer;
> -+    } else {
> -+      return detail::parse_infnan(first, last, value);
> -+    }
> -+  }
> -+
> -+  // call overload that takes parsed_number_string_t directly.
> -+  return from_chars_advanced(pns, value);
> -+}
> -+
> -+template <typename T, typename UC, typename>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value, int base) noexcept {
> -+  static_assert(is_supported_char_type<UC>(),
> -+                "only char, wchar_t, char16_t and char32_t are supported");
> -+
> -+  from_chars_result_t<UC> answer;
> -+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
> -+  while ((first != last) && fast_float::is_space(uint8_t(*first))) {
> -+    first++;
> -+  }
> -+#endif
> -+  if (first == last || base < 2 || base > 36) {
> -+    answer.ec = std::errc::invalid_argument;
> -+    answer.ptr = first;
> -+    return answer;
> -+  }
> -+  return parse_int_string(first, last, value, base);
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> diff --git a/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch b/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
> deleted file mode 100644
> index b951bbac18..0000000000
> --- a/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
> +++ /dev/null
> @@ -1,102 +0,0 @@
> -From 08b90d0a5bf8ceb68dd1b4e9ded0f8a2b5287a6e Mon Sep 17 00:00:00 2001
> -From: Khem Raj <raj.khem@gmail.com>
> -Date: Fri, 4 Oct 2024 21:22:52 -0700
> -Subject: [PATCH 5/5] color-parser: Use fast_float implementation for
> - from_chars
> -
> -Removed dependency on c++ runtime to provide it.
> -
> -Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2823
> -
> -Upstream-Status: Submitted [https://gitlab.gnome.org/GNOME/vte/-/issues/2823#note_2239888]
> -Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ----
> - src/color-parser.cc | 12 ++++++------
> - src/termprops.hh    | 12 ++++++------
> - 2 files changed, 12 insertions(+), 12 deletions(-)
> -
> -diff --git a/src/color-parser.cc b/src/color-parser.cc
> -index 02ec5d3a..42c51966 100644
> ---- a/src/color-parser.cc
> -+++ b/src/color-parser.cc
> -@@ -17,7 +17,7 @@
> -
> - #include "color-parser.hh"
> - #include "color.hh"
> --
> -+#include "fast_float.hh"
> - #include <algorithm>
> - #include <cctype>
> - #include <charconv>
> -@@ -298,7 +298,7 @@ parse_csslike(std::string const& spec) noexcept
> -                 auto value = uint64_t{};
> -                 auto const start = spec.c_str() + 1;
> -                 auto const end = spec.c_str() + spec.size();
> --                auto const rv = std::from_chars(start, end, value, 16);
> -+                auto const rv = fast_float::from_chars(start, end, value, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr != end)
> -                         return std::nullopt;
> -
> -@@ -424,7 +424,7 @@ parse_x11like(std::string const& spec) noexcept
> -                 auto value = uint64_t{};
> -                 auto const start = spec.c_str() + 1;
> -                 auto const end = spec.c_str() + spec.size();
> --                auto const rv = std::from_chars(start, end, value, 16);
> -+                auto const rv = fast_float::from_chars(start, end, value, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr != end)
> -                         return std::nullopt;
> -
> -@@ -447,13 +447,13 @@ parse_x11like(std::string const& spec) noexcept
> -                 // Note that the length check above makes sure that @r, @g, @b,
> -                 // don't exceed @bits.
> -                 auto r = UINT64_C(0), b = UINT64_C(0), g = UINT64_C(0);
> --                auto rv = std::from_chars(start, end, r, 16);
> -+                auto rv = fast_float::from_chars(start, end, r, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr == end || *rv.ptr != '/')
> -                         return std::nullopt;
> --                rv = std::from_chars(rv.ptr + 1, end, g, 16);
> -+                rv = fast_float::from_chars(rv.ptr + 1, end, g, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr == end || *rv.ptr != '/')
> -                         return std::nullopt;
> --                rv = std::from_chars(rv.ptr + 1, end, b, 16);
> -+                rv = fast_float::from_chars(rv.ptr + 1, end, b, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr != end)
> -                         return std::nullopt;
> -
> -diff --git a/src/termprops.hh b/src/termprops.hh
> -index 0d3f0f4c..a10fc7d1 100644
> ---- a/src/termprops.hh
> -+++ b/src/termprops.hh
> -@@ -17,6 +17,7 @@
> -
> - #include <glib.h>
> -
> -+#include "fast_float.hh"
> - #include "fwd.hh"
> - #include "uuid.hh"
> - #include "color.hh"
> -@@ -355,8 +356,8 @@ inline std::optional<TermpropValue>
> - parse_termprop_integral(std::string_view const& str) noexcept
> - {
> -         auto v = T{};
> --        if (auto [ptr, err] = std::from_chars(std::begin(str),
> --                                              std::end(str),
> -+        if (auto [ptr, err] = fast_float::from_chars(str.data(),
> -+                                              str.data()+str.size(),
> -                                               v);
> -             err == std::errc() && ptr == std::end(str)) {
> -                 if constexpr (std::is_unsigned_v<T>) {
> -@@ -389,10 +390,9 @@ inline std::optional<TermpropValue>
> - parse_termprop_floating(std::string_view const& str) noexcept
> - {
> -         auto v = T{};
> --        if (auto [ptr, err] = std::from_chars(std::begin(str),
> --                                              std::end(str),
> --                                              v,
> --                                              std::chars_format::general);
> -+        if (auto [ptr, err] = fast_float::from_chars(str.data(),
> -+                                              str.data() + str.size(),
> -+                                              v);
> -             err == std::errc() &&
> -             ptr == std::end(str) &&
> -             std::isfinite(v)) {
> diff --git a/meta/recipes-support/vte/vte_0.78.2.bb b/meta/recipes-support/vte/vte_0.80.3.bb
> similarity index 82%
> rename from meta/recipes-support/vte/vte_0.78.2.bb
> rename to meta/recipes-support/vte/vte_0.80.3.bb
> index 0593d16cd8..1eb95dd827 100644
> --- a/meta/recipes-support/vte/vte_0.78.2.bb
> +++ b/meta/recipes-support/vte/vte_0.80.3.bb
> @@ -11,18 +11,15 @@ LIC_FILES_CHKSUM = " \
>      file://COPYING.XTERM;md5=d7fc3a23c16c039afafe2e042030f057 \
>  "
>
> -DEPENDS = "glib-2.0 glib-2.0-native gtk+3 libpcre2 libxml2-native gperf-native icu lz4"
> +DEPENDS = "fastfloat glib-2.0 glib-2.0-native gtk+3 libpcre2 libxml2-native gperf-native icu lz4"
>
>  GIR_MESON_OPTION = 'gir'
>  GIDOCGEN_MESON_OPTION = "docs"
>  inherit gnomebase gi-docgen features_check upstream-version-is-even gobject-introspection systemd vala
>
> -SRC_URI += "file://0001-Add-W_EXITCODE-macro-for-non-glibc-systems.patch \
> -           file://0002-lib-Typo-fix.patch \
> -           file://0004-fast_float-Add-single-header-library-for-from_char-i.patch \
> -           file://0005-color-parser-Use-fast_float-implementation-for-from_.patch \
> -           "
> -SRC_URI[archive.sha256sum] = "35d7bcde07356846b4a12881c8e016705b70a9004a9082285eee5834ccc49890"
> +SRC_URI += "file://0001-Add-W_EXITCODE-macro-for-non-glibc-systems.patch"
> +
> +SRC_URI[archive.sha256sum] = "2e596fd3fbeabb71531662224e71f6a2c37f684426136d62854627276ef4f699"
>
>  ANY_OF_DISTRO_FEATURES = "${GTK3DISTROFEATURES}"
>
> @@ -49,7 +46,8 @@ FILES:${PN}-gtk4-dev = "${libdir}/lib*gtk4.so \
>                          ${datadir}/vala/vapi/vte-2.91-gtk4.vapi \
>                          ${includedir}/vte-2.91-gtk4 \
>                          "
> -FILES:${PN} += "${systemd_user_unitdir}"
> +FILES:${PN} += "${systemd_user_unitdir} \
> +                ${datadir}/xdg-terminals"
>  FILES:libvte = "${libdir}/*.so.* ${libdir}/girepository-1.0/*"
>  FILES:${PN}-prompt = " \
>      ${sysconfdir}/profile.d \
> --
> 2.49.0
>
>
> -=-=-=-=-=-=-=-=-=-=-=-
> Links: You receive all messages sent to this group.
> View/Reply Online (#222738): https://lists.openembedded.org/g/openembedded-core/message/222738
> Mute This Topic: https://lists.openembedded.org/mt/115028533/1686489
> Group Owner: openembedded-core+owner@lists.openembedded.org
> Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [alex.kanavin@gmail.com]
> -=-=-=-=-=-=-=-=-=-=-=-
>
Rob Woolley Sept. 2, 2025, 3:41 p.m. UTC | #2 
Please disregard this.... it was git-send-email user error because I adding
-M 1 from the README.md

Regards,
Rob

On Tue, Sep 2, 2025 at 11:39 AM Rob Woolley via lists.openembedded.org
<rob.woolley=windriver.com@lists.openembedded.org> wrote:

> From: Gyorgy Sarvari <skandigraun@gmail.com>
>
> 0004-fast_float-Add-single-header-library-for-from_char-i.patch
> and 0005-color-parser-Use-fast_float-implementation-for-from_.patch
> patches dropped: upstream has adopted the changes, and oe-core also
> provides now fastfloat, no need to vendor it with a patch.
>
> 0002-lib-Typo-fix.patch is dropped, because it was a backport, and
> it is included in this release.
>
> Shortlog: https://gitlab.gnome.org/GNOME/vte/-/compare/0.80.3...0.78.2
>
> Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
> Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> ---
>  .../vte/vte/0002-lib-Typo-fix.patch           |   25 -
>  ...ingle-header-library-for-from_char-i.patch | 3922 -----------------
>  ...-fast_float-implementation-for-from_.patch |  102 -
>  .../vte/{vte_0.78.2.bb => vte_0.80.3.bb}      |   14 +-
>  4 files changed, 6 insertions(+), 4057 deletions(-)
>  delete mode 100644 meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
>  delete mode 100644
> meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
>  delete mode 100644
> meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
>  rename meta/recipes-support/vte/{vte_0.78.2.bb => vte_0.80.3.bb} (82%)
>
> diff --git a/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
> b/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
> deleted file mode 100644
> index 410d506806..0000000000
> --- a/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
> +++ /dev/null
> @@ -1,25 +0,0 @@
> -From 6b7440996819c12ec32bfaf4e73b27baeb273207 Mon Sep 17 00:00:00 2001
> -From: Christian Persch <chpe@src.gnome.org>
> -Date: Thu, 5 Sep 2024 23:59:05 +0200
> -Subject: [PATCH 2/3] lib: Typo fix
> -
> -Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2816
> -Upstream-Status: Backport [
> https://gitlab.gnome.org/GNOME/vte/-/commit/e24087d953d9352c8bc46074e2662c80f9bfbc2d
> ]
> -Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ----
> - src/vteinternal.hh | 2 +-
> - 1 file changed, 1 insertion(+), 1 deletion(-)
> -
> -diff --git a/src/vteinternal.hh b/src/vteinternal.hh
> -index 051e78c..b1adc19 100644
> ---- a/src/vteinternal.hh
> -+++ b/src/vteinternal.hh
> -@@ -1233,7 +1233,7 @@ public:
> -         void reset_decoder();
> -
> -         void feed(std::string_view const& data,
> --                  bool start_processsing_ = true);
> -+                  bool start_processing_ = true);
> -         void feed_child(char const* data,
> -                         size_t length) { assert(data); feed_child({data,
> length}); }
> -         void feed_child(std::string_view const& str);
> diff --git
> a/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
> b/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
> deleted file mode 100644
> index 731dba729d..0000000000
> ---
> a/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
> +++ /dev/null
> @@ -1,3922 +0,0 @@
> -From 2a32e43e43b04771a3357d3d4ccbafa7714e0114 Mon Sep 17 00:00:00 2001
> -From: Khem Raj <raj.khem@gmail.com>
> -Date: Fri, 4 Oct 2024 21:21:11 -0700
> -Subject: [PATCH 4/5] fast_float: Add single header library for from_char
> - implementation
> -
> -Document the process to re-generate the file whenever new release
> -is made for fast_float upstream.
> -
> -This would make it work with llvm libc++
> -
> -Upstream-Status: Submitted [
> https://gitlab.gnome.org/GNOME/vte/-/issues/2823#note_2239888]
> -Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ----
> - README.md         |   17 +
> - src/fast_float.hh | 3869 +++++++++++++++++++++++++++++++++++++++++++++
> - 2 files changed, 3886 insertions(+)
> - create mode 100644 src/fast_float.hh
> -
> -diff --git a/README.md b/README.md
> -index a32465a9..20ed5ba2 100644
> ---- a/README.md
> -+++ b/README.md
> -@@ -21,6 +21,23 @@ on download.gnome.org, but please note that any
> tarball for releases
> - after 0.60.3 were made by either the gnome release team or other
> - gnome contributors, but not by a VTE maintainer.
> -
> -+fast_float library[1] is used to provide from_chars implementation for
> faster
> -+and more portable parsing of 64 decimal strings.
> -+
> -+fast_float.hh is an amalgamation of the entire library,
> -+which can be regenerated by using amalgamate.py script provided by
> -+fast_float repository. Following command can be used to re-generate the
> -+header file
> -+
> -+```
> -+git clone https://github.com/fastfloat/fast_float
> -+cd fast_float
> -+git checkout v6.1.6
> -+python3 ./script/amalgamate.py --license=MIT > $VTE_SRC/src/fast_float.hh
> -+```
> -+
> -+[1]: https://github.com/fastfloat/fast_float
> -+
> - Installation
> - ------------
> -
> -diff --git a/src/fast_float.hh b/src/fast_float.hh
> -new file mode 100644
> -index 00000000..e0d5dd53
> ---- /dev/null
> -+++ b/src/fast_float.hh
> -@@ -0,0 +1,3869 @@
> -+// fast_float by Daniel Lemire
> -+// fast_float by João Paulo Magalhaes
> -+//
> -+//
> -+// with contributions from Eugene Golushkov
> -+// with contributions from Maksim Kita
> -+// with contributions from Marcin Wojdyr
> -+// with contributions from Neal Richardson
> -+// with contributions from Tim Paine
> -+// with contributions from Fabio Pellacini
> -+// with contributions from Lénárd Szolnoki
> -+// with contributions from Jan Pharago
> -+// with contributions from Maya Warrier
> -+// with contributions from Taha Khokhar
> -+//
> -+//
> -+// MIT License Notice
> -+//
> -+//    MIT License
> -+//
> -+//    Copyright (c) 2021 The fast_float authors
> -+//
> -+//    Permission is hereby granted, free of charge, to any
> -+//    person obtaining a copy of this software and associated
> -+//    documentation files (the "Software"), to deal in the
> -+//    Software without restriction, including without
> -+//    limitation the rights to use, copy, modify, merge,
> -+//    publish, distribute, sublicense, and/or sell copies of
> -+//    the Software, and to permit persons to whom the Software
> -+//    is furnished to do so, subject to the following
> -+//    conditions:
> -+//
> -+//    The above copyright notice and this permission notice
> -+//    shall be included in all copies or substantial portions
> -+//    of the Software.
> -+//
> -+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
> -+//    ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
> -+//    TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
> -+//    PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
> -+//    SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
> -+//    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
> -+//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
> -+//    IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> -+//    DEALINGS IN THE SOFTWARE.
> -+//
> -+
> -+#ifndef FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
> -+#define FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
> -+
> -+#ifdef __has_include
> -+#if __has_include(<version>)
> -+#include <version>
> -+#endif
> -+#endif
> -+
> -+// Testing for https://wg21.link/N3652, adopted in C++14
> -+#if __cpp_constexpr >= 201304
> -+#define FASTFLOAT_CONSTEXPR14 constexpr
> -+#else
> -+#define FASTFLOAT_CONSTEXPR14
> -+#endif
> -+
> -+#if defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806L
> -+#define FASTFLOAT_HAS_BIT_CAST 1
> -+#else
> -+#define FASTFLOAT_HAS_BIT_CAST 0
> -+#endif
> -+
> -+#if defined(__cpp_lib_is_constant_evaluated) &&
>       \
> -+    __cpp_lib_is_constant_evaluated >= 201811L
> -+#define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 1
> -+#else
> -+#define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 0
> -+#endif
> -+
> -+// Testing for relevant C++20 constexpr library features
> -+#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED && FASTFLOAT_HAS_BIT_CAST &&
>        \
> -+    __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and
> std::fill*/
> -+#define FASTFLOAT_CONSTEXPR20 constexpr
> -+#define FASTFLOAT_IS_CONSTEXPR 1
> -+#else
> -+#define FASTFLOAT_CONSTEXPR20
> -+#define FASTFLOAT_IS_CONSTEXPR 0
> -+#endif
> -+
> -+#if __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >=
> 201703L)
> -+#define FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE 0
> -+#else
> -+#define FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE 1
> -+#endif
> -+
> -+#endif // FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
> -+
> -+#ifndef FASTFLOAT_FLOAT_COMMON_H
> -+#define FASTFLOAT_FLOAT_COMMON_H
> -+
> -+#include <cfloat>
> -+#include <cstdint>
> -+#include <cassert>
> -+#include <cstring>
> -+#include <type_traits>
> -+#include <system_error>
> -+#ifdef __has_include
> -+#if __has_include(<stdfloat>) && (__cplusplus > 202002L || _MSVC_LANG >
> 202002L)
> -+#include <stdfloat>
> -+#endif
> -+#endif
> -+
> -+namespace fast_float {
> -+
> -+#define FASTFLOAT_JSONFMT (1 << 5)
> -+#define FASTFLOAT_FORTRANFMT (1 << 6)
> -+
> -+enum chars_format {
> -+  scientific = 1 << 0,
> -+  fixed = 1 << 2,
> -+  hex = 1 << 3,
> -+  no_infnan = 1 << 4,
> -+  // RFC 8259: https://datatracker.ietf.org/doc/html/rfc8259#section-6
> -+  json = FASTFLOAT_JSONFMT | fixed | scientific | no_infnan,
> -+  // Extension of RFC 8259 where, e.g., "inf" and "nan" are allowed.
> -+  json_or_infnan = FASTFLOAT_JSONFMT | fixed | scientific,
> -+  fortran = FASTFLOAT_FORTRANFMT | fixed | scientific,
> -+  general = fixed | scientific
> -+};
> -+
> -+template <typename UC> struct from_chars_result_t {
> -+  UC const *ptr;
> -+  std::errc ec;
> -+};
> -+using from_chars_result = from_chars_result_t<char>;
> -+
> -+template <typename UC> struct parse_options_t {
> -+  constexpr explicit parse_options_t(chars_format fmt =
> chars_format::general,
> -+                                     UC dot = UC('.'))
> -+      : format(fmt), decimal_point(dot) {}
> -+
> -+  /** Which number formats are accepted */
> -+  chars_format format;
> -+  /** The character used as decimal point */
> -+  UC decimal_point;
> -+};
> -+using parse_options = parse_options_t<char>;
> -+
> -+} // namespace fast_float
> -+
> -+#if FASTFLOAT_HAS_BIT_CAST
> -+#include <bit>
> -+#endif
> -+
> -+#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) ||
>       \
> -+     defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) ||
>       \
> -+     defined(__MINGW64__) || defined(__s390x__) ||
>        \
> -+     (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__)
> ||      \
> -+      defined(__PPC64LE__)) ||
>        \
> -+     defined(__loongarch64))
> -+#define FASTFLOAT_64BIT 1
> -+#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) ||
>        \
> -+       defined(__arm__) || defined(_M_ARM) || defined(__ppc__) ||
>       \
> -+       defined(__MINGW32__) || defined(__EMSCRIPTEN__))
> -+#define FASTFLOAT_32BIT 1
> -+#else
> -+  // Need to check incrementally, since SIZE_MAX is a size_t, avoid
> overflow.
> -+// We can never tell the register width, but the SIZE_MAX is a good
> -+// approximation. UINTPTR_MAX and INTPTR_MAX are optional, so avoid them
> for max
> -+// portability.
> -+#if SIZE_MAX == 0xffff
> -+#error Unknown platform (16-bit, unsupported)
> -+#elif SIZE_MAX == 0xffffffff
> -+#define FASTFLOAT_32BIT 1
> -+#elif SIZE_MAX == 0xffffffffffffffff
> -+#define FASTFLOAT_64BIT 1
> -+#else
> -+#error Unknown platform (not 32-bit, not 64-bit?)
> -+#endif
> -+#endif
> -+
> -+#if ((defined(_WIN32) || defined(_WIN64)) && !defined(__clang__)) ||
>        \
> -+    (defined(_M_ARM64) && !defined(__MINGW32__))
> -+#include <intrin.h>
> -+#endif
> -+
> -+#if defined(_MSC_VER) && !defined(__clang__)
> -+#define FASTFLOAT_VISUAL_STUDIO 1
> -+#endif
> -+
> -+#if defined __BYTE_ORDER__ && defined __ORDER_BIG_ENDIAN__
> -+#define FASTFLOAT_IS_BIG_ENDIAN (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
> -+#elif defined _WIN32
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#else
> -+#if defined(__APPLE__) || defined(__FreeBSD__)
> -+#include <machine/endian.h>
> -+#elif defined(sun) || defined(__sun)
> -+#include <sys/byteorder.h>
> -+#elif defined(__MVS__)
> -+#include <sys/endian.h>
> -+#else
> -+#ifdef __has_include
> -+#if __has_include(<endian.h>)
> -+#include <endian.h>
> -+#endif //__has_include(<endian.h>)
> -+#endif //__has_include
> -+#endif
> -+#
> -+#ifndef __BYTE_ORDER__
> -+// safe choice
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#endif
> -+#
> -+#ifndef __ORDER_LITTLE_ENDIAN__
> -+// safe choice
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#endif
> -+#
> -+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> -+#define FASTFLOAT_IS_BIG_ENDIAN 0
> -+#else
> -+#define FASTFLOAT_IS_BIG_ENDIAN 1
> -+#endif
> -+#endif
> -+
> -+#if defined(__SSE2__) || (defined(FASTFLOAT_VISUAL_STUDIO) &&
>       \
> -+                          (defined(_M_AMD64) || defined(_M_X64) ||
>        \
> -+                           (defined(_M_IX86_FP) && _M_IX86_FP == 2)))
> -+#define FASTFLOAT_SSE2 1
> -+#endif
> -+
> -+#if defined(__aarch64__) || defined(_M_ARM64)
> -+#define FASTFLOAT_NEON 1
> -+#endif
> -+
> -+#if defined(FASTFLOAT_SSE2) || defined(FASTFLOAT_NEON)
> -+#define FASTFLOAT_HAS_SIMD 1
> -+#endif
> -+
> -+#if defined(__GNUC__)
> -+// disable -Wcast-align=strict (GCC only)
> -+#define FASTFLOAT_SIMD_DISABLE_WARNINGS
>       \
> -+  _Pragma("GCC diagnostic push")
>        \
> -+      _Pragma("GCC diagnostic ignored \"-Wcast-align\"")
> -+#else
> -+#define FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+#endif
> -+
> -+#if defined(__GNUC__)
> -+#define FASTFLOAT_SIMD_RESTORE_WARNINGS _Pragma("GCC diagnostic pop")
> -+#else
> -+#define FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+#endif
> -+
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#define fastfloat_really_inline __forceinline
> -+#else
> -+#define fastfloat_really_inline inline __attribute__((always_inline))
> -+#endif
> -+
> -+#ifndef FASTFLOAT_ASSERT
> -+#define FASTFLOAT_ASSERT(x)
>       \
> -+  { ((void)(x)); }
> -+#endif
> -+
> -+#ifndef FASTFLOAT_DEBUG_ASSERT
> -+#define FASTFLOAT_DEBUG_ASSERT(x)
>       \
> -+  { ((void)(x)); }
> -+#endif
> -+
> -+// rust style `try!()` macro, or `?` operator
> -+#define FASTFLOAT_TRY(x)
>        \
> -+  {
>       \
> -+    if (!(x))
>       \
> -+      return false;
>       \
> -+  }
> -+
> -+#define FASTFLOAT_ENABLE_IF(...)
>        \
> -+  typename std::enable_if<(__VA_ARGS__), int>::type
> -+
> -+namespace fast_float {
> -+
> -+fastfloat_really_inline constexpr bool cpp20_and_in_constexpr() {
> -+#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED
> -+  return std::is_constant_evaluated();
> -+#else
> -+  return false;
> -+#endif
> -+}
> -+
> -+template <typename T>
> -+fastfloat_really_inline constexpr bool is_supported_float_type() {
> -+  return std::is_same<T, float>::value || std::is_same<T, double>::value
> -+#if __STDCPP_FLOAT32_T__
> -+         || std::is_same<T, std::float32_t>::value
> -+#endif
> -+#if __STDCPP_FLOAT64_T__
> -+         || std::is_same<T, std::float64_t>::value
> -+#endif
> -+      ;
> -+}
> -+
> -+template <typename UC>
> -+fastfloat_really_inline constexpr bool is_supported_char_type() {
> -+  return std::is_same<UC, char>::value || std::is_same<UC,
> wchar_t>::value ||
> -+         std::is_same<UC, char16_t>::value || std::is_same<UC,
> char32_t>::value;
> -+}
> -+
> -+// Compares two ASCII strings in a case insensitive manner.
> -+template <typename UC>
> -+inline FASTFLOAT_CONSTEXPR14 bool
> -+fastfloat_strncasecmp(UC const *input1, UC const *input2, size_t length)
> {
> -+  char running_diff{0};
> -+  for (size_t i = 0; i < length; ++i) {
> -+    running_diff |= (char(input1[i]) ^ char(input2[i]));
> -+  }
> -+  return (running_diff == 0) || (running_diff == 32);
> -+}
> -+
> -+#ifndef FLT_EVAL_METHOD
> -+#error "FLT_EVAL_METHOD should be defined, please include cfloat."
> -+#endif
> -+
> -+// a pointer and a length to a contiguous block of memory
> -+template <typename T> struct span {
> -+  const T *ptr;
> -+  size_t length;
> -+  constexpr span(const T *_ptr, size_t _length) : ptr(_ptr),
> length(_length) {}
> -+  constexpr span() : ptr(nullptr), length(0) {}
> -+
> -+  constexpr size_t len() const noexcept { return length; }
> -+
> -+  FASTFLOAT_CONSTEXPR14 const T &operator[](size_t index) const noexcept
> {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    return ptr[index];
> -+  }
> -+};
> -+
> -+struct value128 {
> -+  uint64_t low;
> -+  uint64_t high;
> -+  constexpr value128(uint64_t _low, uint64_t _high) : low(_low),
> high(_high) {}
> -+  constexpr value128() : low(0), high(0) {}
> -+};
> -+
> -+/* Helper C++14 constexpr generic implementation of leading_zeroes */
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int
> -+leading_zeroes_generic(uint64_t input_num, int last_bit = 0) {
> -+  if (input_num & uint64_t(0xffffffff00000000)) {
> -+    input_num >>= 32;
> -+    last_bit |= 32;
> -+  }
> -+  if (input_num & uint64_t(0xffff0000)) {
> -+    input_num >>= 16;
> -+    last_bit |= 16;
> -+  }
> -+  if (input_num & uint64_t(0xff00)) {
> -+    input_num >>= 8;
> -+    last_bit |= 8;
> -+  }
> -+  if (input_num & uint64_t(0xf0)) {
> -+    input_num >>= 4;
> -+    last_bit |= 4;
> -+  }
> -+  if (input_num & uint64_t(0xc)) {
> -+    input_num >>= 2;
> -+    last_bit |= 2;
> -+  }
> -+  if (input_num & uint64_t(0x2)) { /* input_num >>=  1; */
> -+    last_bit |= 1;
> -+  }
> -+  return 63 - last_bit;
> -+}
> -+
> -+/* result might be undefined when input_num is zero */
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 int
> -+leading_zeroes(uint64_t input_num) {
> -+  assert(input_num > 0);
> -+  if (cpp20_and_in_constexpr()) {
> -+    return leading_zeroes_generic(input_num);
> -+  }
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#if defined(_M_X64) || defined(_M_ARM64)
> -+  unsigned long leading_zero = 0;
> -+  // Search the mask data from most significant bit (MSB)
> -+  // to least significant bit (LSB) for a set bit (1).
> -+  _BitScanReverse64(&leading_zero, input_num);
> -+  return (int)(63 - leading_zero);
> -+#else
> -+  return leading_zeroes_generic(input_num);
> -+#endif
> -+#else
> -+  return __builtin_clzll(input_num);
> -+#endif
> -+}
> -+
> -+// slow emulation routine for 32-bit
> -+fastfloat_really_inline constexpr uint64_t emulu(uint32_t x, uint32_t y)
> {
> -+  return x * (uint64_t)y;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t
> -+umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) {
> -+  uint64_t ad = emulu((uint32_t)(ab >> 32), (uint32_t)cd);
> -+  uint64_t bd = emulu((uint32_t)ab, (uint32_t)cd);
> -+  uint64_t adbc = ad + emulu((uint32_t)ab, (uint32_t)(cd >> 32));
> -+  uint64_t adbc_carry = (uint64_t)(adbc < ad);
> -+  uint64_t lo = bd + (adbc << 32);
> -+  *hi = emulu((uint32_t)(ab >> 32), (uint32_t)(cd >> 32)) + (adbc >> 32)
> +
> -+        (adbc_carry << 32) + (uint64_t)(lo < bd);
> -+  return lo;
> -+}
> -+
> -+#ifdef FASTFLOAT_32BIT
> -+
> -+// slow emulation routine for 32-bit
> -+#if !defined(__MINGW64__)
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t _umul128(uint64_t
> ab,
> -+                                                                uint64_t
> cd,
> -+                                                                uint64_t
> *hi) {
> -+  return umul128_generic(ab, cd, hi);
> -+}
> -+#endif // !__MINGW64__
> -+
> -+#endif // FASTFLOAT_32BIT
> -+
> -+// compute 64-bit a*b
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128
> -+full_multiplication(uint64_t a, uint64_t b) {
> -+  if (cpp20_and_in_constexpr()) {
> -+    value128 answer;
> -+    answer.low = umul128_generic(a, b, &answer.high);
> -+    return answer;
> -+  }
> -+  value128 answer;
> -+#if defined(_M_ARM64) && !defined(__MINGW32__)
> -+  // ARM64 has native support for 64-bit multiplications, no need to
> emulate
> -+  // But MinGW on ARM64 doesn't have native support for 64-bit
> multiplications
> -+  answer.high = __umulh(a, b);
> -+  answer.low = a * b;
> -+#elif defined(FASTFLOAT_32BIT) ||
>       \
> -+    (defined(_WIN64) && !defined(__clang__) && !defined(_M_ARM64))
> -+  answer.low = _umul128(a, b, &answer.high); // _umul128 not available
> on ARM64
> -+#elif defined(FASTFLOAT_64BIT) && defined(__SIZEOF_INT128__)
> -+  __uint128_t r = ((__uint128_t)a) * b;
> -+  answer.low = uint64_t(r);
> -+  answer.high = uint64_t(r >> 64);
> -+#else
> -+  answer.low = umul128_generic(a, b, &answer.high);
> -+#endif
> -+  return answer;
> -+}
> -+
> -+struct adjusted_mantissa {
> -+  uint64_t mantissa{0};
> -+  int32_t power2{0}; // a negative value indicates an invalid result
> -+  adjusted_mantissa() = default;
> -+  constexpr bool operator==(const adjusted_mantissa &o) const {
> -+    return mantissa == o.mantissa && power2 == o.power2;
> -+  }
> -+  constexpr bool operator!=(const adjusted_mantissa &o) const {
> -+    return mantissa != o.mantissa || power2 != o.power2;
> -+  }
> -+};
> -+
> -+// Bias so we can get the real exponent with an invalid
> adjusted_mantissa.
> -+constexpr static int32_t invalid_am_bias = -0x8000;
> -+
> -+// used for binary_format_lookup_tables<T>::max_mantissa
> -+constexpr uint64_t constant_55555 = 5 * 5 * 5 * 5 * 5;
> -+
> -+template <typename T, typename U = void> struct
> binary_format_lookup_tables;
> -+
> -+template <typename T> struct binary_format :
> binary_format_lookup_tables<T> {
> -+  using equiv_uint =
> -+      typename std::conditional<sizeof(T) == 4, uint32_t,
> uint64_t>::type;
> -+
> -+  static inline constexpr int mantissa_explicit_bits();
> -+  static inline constexpr int minimum_exponent();
> -+  static inline constexpr int infinite_power();
> -+  static inline constexpr int sign_index();
> -+  static inline constexpr int
> -+  min_exponent_fast_path(); // used when fegetround() == FE_TONEAREST
> -+  static inline constexpr int max_exponent_fast_path();
> -+  static inline constexpr int max_exponent_round_to_even();
> -+  static inline constexpr int min_exponent_round_to_even();
> -+  static inline constexpr uint64_t max_mantissa_fast_path(int64_t power);
> -+  static inline constexpr uint64_t
> -+  max_mantissa_fast_path(); // used when fegetround() == FE_TONEAREST
> -+  static inline constexpr int largest_power_of_ten();
> -+  static inline constexpr int smallest_power_of_ten();
> -+  static inline constexpr T exact_power_of_ten(int64_t power);
> -+  static inline constexpr size_t max_digits();
> -+  static inline constexpr equiv_uint exponent_mask();
> -+  static inline constexpr equiv_uint mantissa_mask();
> -+  static inline constexpr equiv_uint hidden_bit_mask();
> -+};
> -+
> -+template <typename U> struct binary_format_lookup_tables<double, U> {
> -+  static constexpr double powers_of_ten[] = {
> -+      1e0,  1e1,  1e2,  1e3,  1e4,  1e5,  1e6,  1e7,  1e8,  1e9,  1e10,
> 1e11,
> -+      1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, 1e20, 1e21, 1e22};
> -+
> -+  // Largest integer value v so that (5**index * v) <= 1<<53.
> -+  // 0x20000000000000 == 1 << 53
> -+  static constexpr uint64_t max_mantissa[] = {
> -+      0x20000000000000,
> -+      0x20000000000000 / 5,
> -+      0x20000000000000 / (5 * 5),
> -+      0x20000000000000 / (5 * 5 * 5),
> -+      0x20000000000000 / (5 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555),
> -+      0x20000000000000 / (constant_55555 * 5),
> -+      0x20000000000000 / (constant_55555 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * 5 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 *
> constant_55555),
> -+      0x20000000000000 / (constant_55555 * constant_55555 *
> constant_55555 * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5
> * 5),
> -+      0x20000000000000 /
> -+          (constant_55555 * constant_55555 * constant_55555 *
> constant_55555),
> -+      0x20000000000000 / (constant_55555 * constant_55555 *
> constant_55555 *
> -+                          constant_55555 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 *
> constant_55555 *
> -+                          constant_55555 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 *
> constant_55555 *
> -+                          constant_55555 * 5 * 5 * 5),
> -+      0x20000000000000 / (constant_55555 * constant_55555 *
> constant_55555 *
> -+                          constant_55555 * 5 * 5 * 5 * 5)};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename U>
> -+constexpr double binary_format_lookup_tables<double, U>::powers_of_ten[];
> -+
> -+template <typename U>
> -+constexpr uint64_t binary_format_lookup_tables<double,
> U>::max_mantissa[];
> -+
> -+#endif
> -+
> -+template <typename U> struct binary_format_lookup_tables<float, U> {
> -+  static constexpr float powers_of_ten[] = {1e0f, 1e1f, 1e2f, 1e3f,
> 1e4f, 1e5f,
> -+                                            1e6f, 1e7f, 1e8f, 1e9f,
> 1e10f};
> -+
> -+  // Largest integer value v so that (5**index * v) <= 1<<24.
> -+  // 0x1000000 == 1<<24
> -+  static constexpr uint64_t max_mantissa[] = {
> -+      0x1000000,
> -+      0x1000000 / 5,
> -+      0x1000000 / (5 * 5),
> -+      0x1000000 / (5 * 5 * 5),
> -+      0x1000000 / (5 * 5 * 5 * 5),
> -+      0x1000000 / (constant_55555),
> -+      0x1000000 / (constant_55555 * 5),
> -+      0x1000000 / (constant_55555 * 5 * 5),
> -+      0x1000000 / (constant_55555 * 5 * 5 * 5),
> -+      0x1000000 / (constant_55555 * 5 * 5 * 5 * 5),
> -+      0x1000000 / (constant_55555 * constant_55555),
> -+      0x1000000 / (constant_55555 * constant_55555 * 5)};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename U>
> -+constexpr float binary_format_lookup_tables<float, U>::powers_of_ten[];
> -+
> -+template <typename U>
> -+constexpr uint64_t binary_format_lookup_tables<float, U>::max_mantissa[];
> -+
> -+#endif
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::min_exponent_fast_path() {
> -+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
> -+  return 0;
> -+#else
> -+  return -22;
> -+#endif
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<float>::min_exponent_fast_path() {
> -+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
> -+  return 0;
> -+#else
> -+  return -10;
> -+#endif
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::mantissa_explicit_bits() {
> -+  return 52;
> -+}
> -+template <>
> -+inline constexpr int binary_format<float>::mantissa_explicit_bits() {
> -+  return 23;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::max_exponent_round_to_even()
> {
> -+  return 23;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<float>::max_exponent_round_to_even() {
> -+  return 10;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::min_exponent_round_to_even()
> {
> -+  return -4;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<float>::min_exponent_round_to_even() {
> -+  return -17;
> -+}
> -+
> -+template <> inline constexpr int
> binary_format<double>::minimum_exponent() {
> -+  return -1023;
> -+}
> -+template <> inline constexpr int
> binary_format<float>::minimum_exponent() {
> -+  return -127;
> -+}
> -+
> -+template <> inline constexpr int binary_format<double>::infinite_power()
> {
> -+  return 0x7FF;
> -+}
> -+template <> inline constexpr int binary_format<float>::infinite_power() {
> -+  return 0xFF;
> -+}
> -+
> -+template <> inline constexpr int binary_format<double>::sign_index() {
> -+  return 63;
> -+}
> -+template <> inline constexpr int binary_format<float>::sign_index() {
> -+  return 31;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::max_exponent_fast_path() {
> -+  return 22;
> -+}
> -+template <>
> -+inline constexpr int binary_format<float>::max_exponent_fast_path() {
> -+  return 10;
> -+}
> -+
> -+template <>
> -+inline constexpr uint64_t
> binary_format<double>::max_mantissa_fast_path() {
> -+  return uint64_t(2) << mantissa_explicit_bits();
> -+}
> -+template <>
> -+inline constexpr uint64_t
> -+binary_format<double>::max_mantissa_fast_path(int64_t power) {
> -+  // caller is responsible to ensure that
> -+  // power >= 0 && power <= 22
> -+  //
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)max_mantissa[0], max_mantissa[power];
> -+}
> -+template <>
> -+inline constexpr uint64_t binary_format<float>::max_mantissa_fast_path()
> {
> -+  return uint64_t(2) << mantissa_explicit_bits();
> -+}
> -+template <>
> -+inline constexpr uint64_t
> -+binary_format<float>::max_mantissa_fast_path(int64_t power) {
> -+  // caller is responsible to ensure that
> -+  // power >= 0 && power <= 10
> -+  //
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)max_mantissa[0], max_mantissa[power];
> -+}
> -+
> -+template <>
> -+inline constexpr double
> -+binary_format<double>::exact_power_of_ten(int64_t power) {
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)powers_of_ten[0], powers_of_ten[power];
> -+}
> -+template <>
> -+inline constexpr float binary_format<float>::exact_power_of_ten(int64_t
> power) {
> -+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+  return (void)powers_of_ten[0], powers_of_ten[power];
> -+}
> -+
> -+template <> inline constexpr int
> binary_format<double>::largest_power_of_ten() {
> -+  return 308;
> -+}
> -+template <> inline constexpr int
> binary_format<float>::largest_power_of_ten() {
> -+  return 38;
> -+}
> -+
> -+template <>
> -+inline constexpr int binary_format<double>::smallest_power_of_ten() {
> -+  return -342;
> -+}
> -+template <> inline constexpr int
> binary_format<float>::smallest_power_of_ten() {
> -+  return -64;
> -+}
> -+
> -+template <> inline constexpr size_t binary_format<double>::max_digits() {
> -+  return 769;
> -+}
> -+template <> inline constexpr size_t binary_format<float>::max_digits() {
> -+  return 114;
> -+}
> -+
> -+template <>
> -+inline constexpr binary_format<float>::equiv_uint
> -+binary_format<float>::exponent_mask() {
> -+  return 0x7F800000;
> -+}
> -+template <>
> -+inline constexpr binary_format<double>::equiv_uint
> -+binary_format<double>::exponent_mask() {
> -+  return 0x7FF0000000000000;
> -+}
> -+
> -+template <>
> -+inline constexpr binary_format<float>::equiv_uint
> -+binary_format<float>::mantissa_mask() {
> -+  return 0x007FFFFF;
> -+}
> -+template <>
> -+inline constexpr binary_format<double>::equiv_uint
> -+binary_format<double>::mantissa_mask() {
> -+  return 0x000FFFFFFFFFFFFF;
> -+}
> -+
> -+template <>
> -+inline constexpr binary_format<float>::equiv_uint
> -+binary_format<float>::hidden_bit_mask() {
> -+  return 0x00800000;
> -+}
> -+template <>
> -+inline constexpr binary_format<double>::equiv_uint
> -+binary_format<double>::hidden_bit_mask() {
> -+  return 0x0010000000000000;
> -+}
> -+
> -+template <typename T>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+to_float(bool negative, adjusted_mantissa am, T &value) {
> -+  using fastfloat_uint = typename binary_format<T>::equiv_uint;
> -+  fastfloat_uint word = (fastfloat_uint)am.mantissa;
> -+  word |= fastfloat_uint(am.power2)
> -+          << binary_format<T>::mantissa_explicit_bits();
> -+  word |= fastfloat_uint(negative) << binary_format<T>::sign_index();
> -+#if FASTFLOAT_HAS_BIT_CAST
> -+  value = std::bit_cast<T>(word);
> -+#else
> -+  ::memcpy(&value, &word, sizeof(T));
> -+#endif
> -+}
> -+
> -+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
> -+template <typename = void> struct space_lut {
> -+  static constexpr bool value[] = {
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0,
> -+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename T> constexpr bool space_lut<T>::value[];
> -+
> -+#endif
> -+
> -+inline constexpr bool is_space(uint8_t c) { return
> space_lut<>::value[c]; }
> -+#endif
> -+
> -+template <typename UC> static constexpr uint64_t int_cmp_zeros() {
> -+  static_assert((sizeof(UC) == 1) || (sizeof(UC) == 2) || (sizeof(UC) ==
> 4),
> -+                "Unsupported character size");
> -+  return (sizeof(UC) == 1) ? 0x3030303030303030
> -+         : (sizeof(UC) == 2)
> -+             ? (uint64_t(UC('0')) << 48 | uint64_t(UC('0')) << 32 |
> -+                uint64_t(UC('0')) << 16 | UC('0'))
> -+             : (uint64_t(UC('0')) << 32 | UC('0'));
> -+}
> -+template <typename UC> static constexpr int int_cmp_len() {
> -+  return sizeof(uint64_t) / sizeof(UC);
> -+}
> -+template <typename UC> static constexpr UC const *str_const_nan() {
> -+  return nullptr;
> -+}
> -+template <> constexpr char const *str_const_nan<char>() { return "nan"; }
> -+template <> constexpr wchar_t const *str_const_nan<wchar_t>() { return
> L"nan"; }
> -+template <> constexpr char16_t const *str_const_nan<char16_t>() {
> -+  return u"nan";
> -+}
> -+template <> constexpr char32_t const *str_const_nan<char32_t>() {
> -+  return U"nan";
> -+}
> -+template <typename UC> static constexpr UC const *str_const_inf() {
> -+  return nullptr;
> -+}
> -+template <> constexpr char const *str_const_inf<char>() { return
> "infinity"; }
> -+template <> constexpr wchar_t const *str_const_inf<wchar_t>() {
> -+  return L"infinity";
> -+}
> -+template <> constexpr char16_t const *str_const_inf<char16_t>() {
> -+  return u"infinity";
> -+}
> -+template <> constexpr char32_t const *str_const_inf<char32_t>() {
> -+  return U"infinity";
> -+}
> -+
> -+template <typename = void> struct int_luts {
> -+  static constexpr uint8_t chdigit[] = {
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 0,   1,   2,   3,   4,   5,   6,   7,   8,   9,
>  255, 255,
> -+      255, 255, 255, 255, 255, 10,  11,  12,  13,  14,  15,  16,  17,
> 18,  19,
> -+      20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,
> 33,  34,
> -+      35,  255, 255, 255, 255, 255, 255, 10,  11,  12,  13,  14,  15,
> 16,  17,
> -+      18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,
> 31,  32,
> -+      33,  34,  35,  255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
> 255, 255,
> -+      255};
> -+
> -+  static constexpr size_t maxdigits_u64[] = {
> -+      64, 41, 32, 28, 25, 23, 22, 21, 20, 19, 18, 18, 17, 17, 16, 16,
> 16, 16,
> -+      15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13,
> 13};
> -+
> -+  static constexpr uint64_t min_safe_u64[] = {
> -+      9223372036854775808ull,  12157665459056928801ull,
> 4611686018427387904,
> -+      7450580596923828125,     4738381338321616896,
>  3909821048582988049,
> -+      9223372036854775808ull,  12157665459056928801ull,
> 10000000000000000000ull,
> -+      5559917313492231481,     2218611106740436992,
>  8650415919381337933,
> -+      2177953337809371136,     6568408355712890625,
>  1152921504606846976,
> -+      2862423051509815793,     6746640616477458432,
>  15181127029874798299ull,
> -+      1638400000000000000,     3243919932521508681,
>  6221821273427820544,
> -+      11592836324538749809ull, 876488338465357824,
> 1490116119384765625,
> -+      2481152873203736576,     4052555153018976267,
>  6502111422497947648,
> -+      10260628712958602189ull, 15943230000000000000ull,
> 787662783788549761,
> -+      1152921504606846976,     1667889514952984961,
>  2386420683693101056,
> -+      3379220508056640625,     4738381338321616896};
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename T> constexpr uint8_t int_luts<T>::chdigit[];
> -+
> -+template <typename T> constexpr size_t int_luts<T>::maxdigits_u64[];
> -+
> -+template <typename T> constexpr uint64_t int_luts<T>::min_safe_u64[];
> -+
> -+#endif
> -+
> -+template <typename UC>
> -+fastfloat_really_inline constexpr uint8_t ch_to_digit(UC c) {
> -+  return int_luts<>::chdigit[static_cast<unsigned char>(c)];
> -+}
> -+
> -+fastfloat_really_inline constexpr size_t max_digits_u64(int base) {
> -+  return int_luts<>::maxdigits_u64[base - 2];
> -+}
> -+
> -+// If a u64 is exactly max_digits_u64() in length, this is
> -+// the value below which it has definitely overflowed.
> -+fastfloat_really_inline constexpr uint64_t min_safe_u64(int base) {
> -+  return int_luts<>::min_safe_u64[base - 2];
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+
> -+#ifndef FASTFLOAT_FAST_FLOAT_H
> -+#define FASTFLOAT_FAST_FLOAT_H
> -+
> -+
> -+namespace fast_float {
> -+/**
> -+ * This function parses the character sequence [first,last) for a
> number. It
> -+ * parses floating-point numbers expecting a locale-indepent format
> equivalent
> -+ * to what is used by std::strtod in the default ("C") locale. The
> resulting
> -+ * floating-point value is the closest floating-point values (using
> either float
> -+ * or double), using the "round to even" convention for values that would
> -+ * otherwise fall right in-between two values. That is, we provide exact
> parsing
> -+ * according to the IEEE standard.
> -+ *
> -+ * Given a successful parse, the pointer (`ptr`) in the returned value
> is set to
> -+ * point right after the parsed number, and the `value` referenced is
> set to the
> -+ * parsed value. In case of error, the returned `ec` contains a
> representative
> -+ * error, otherwise the default (`std::errc()`) value is stored.
> -+ *
> -+ * The implementation does not throw and does not allocate memory (e.g.,
> with
> -+ * `new` or `malloc`).
> -+ *
> -+ * Like the C++17 standard, the `fast_float::from_chars` functions take
> an
> -+ * optional last argument of the type `fast_float::chars_format`. It is
> a bitset
> -+ * value: we check whether `fmt & fast_float::chars_format::fixed` and
> `fmt &
> -+ * fast_float::chars_format::scientific` are set to determine whether we
> allow
> -+ * the fixed point and scientific notation respectively. The default is
> -+ * `fast_float::chars_format::general` which allows both `fixed` and
> -+ * `scientific`.
> -+ */
> -+template <typename T, typename UC = char,
> -+          typename = FASTFLOAT_ENABLE_IF(is_supported_float_type<T>())>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value,
> -+           chars_format fmt = chars_format::general) noexcept;
> -+
> -+/**
> -+ * Like from_chars, but accepts an `options` argument to govern number
> parsing.
> -+ */
> -+template <typename T, typename UC = char>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars_advanced(UC const *first, UC const *last, T &value,
> -+                    parse_options_t<UC> options) noexcept;
> -+/**
> -+ * from_chars for integer types.
> -+ */
> -+template <typename T, typename UC = char,
> -+          typename = FASTFLOAT_ENABLE_IF(!is_supported_float_type<T>())>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value, int base = 10)
> noexcept;
> -+
> -+} // namespace fast_float
> -+#endif // FASTFLOAT_FAST_FLOAT_H
> -+
> -+#ifndef FASTFLOAT_ASCII_NUMBER_H
> -+#define FASTFLOAT_ASCII_NUMBER_H
> -+
> -+#include <cctype>
> -+#include <cstdint>
> -+#include <cstring>
> -+#include <iterator>
> -+#include <limits>
> -+#include <type_traits>
> -+
> -+
> -+#ifdef FASTFLOAT_SSE2
> -+#include <emmintrin.h>
> -+#endif
> -+
> -+#ifdef FASTFLOAT_NEON
> -+#include <arm_neon.h>
> -+#endif
> -+
> -+namespace fast_float {
> -+
> -+template <typename UC> fastfloat_really_inline constexpr bool
> has_simd_opt() {
> -+#ifdef FASTFLOAT_HAS_SIMD
> -+  return std::is_same<UC, char16_t>::value;
> -+#else
> -+  return false;
> -+#endif
> -+}
> -+
> -+// Next function can be micro-optimized, but compilers are entirely
> -+// able to optimize it well.
> -+template <typename UC>
> -+fastfloat_really_inline constexpr bool is_integer(UC c) noexcept {
> -+  return !(c > UC('9') || c < UC('0'));
> -+}
> -+
> -+fastfloat_really_inline constexpr uint64_t byteswap(uint64_t val) {
> -+  return (val & 0xFF00000000000000) >> 56 | (val & 0x00FF000000000000)
> >> 40 |
> -+         (val & 0x0000FF0000000000) >> 24 | (val & 0x000000FF00000000)
> >> 8 |
> -+         (val & 0x00000000FF000000) << 8 | (val & 0x0000000000FF0000) <<
> 24 |
> -+         (val & 0x000000000000FF00) << 40 | (val & 0x00000000000000FF)
> << 56;
> -+}
> -+
> -+// Read 8 UC into a u64. Truncates UC if not char.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+read8_to_u64(const UC *chars) {
> -+  if (cpp20_and_in_constexpr() || !std::is_same<UC, char>::value) {
> -+    uint64_t val = 0;
> -+    for (int i = 0; i < 8; ++i) {
> -+      val |= uint64_t(uint8_t(*chars)) << (i * 8);
> -+      ++chars;
> -+    }
> -+    return val;
> -+  }
> -+  uint64_t val;
> -+  ::memcpy(&val, chars, sizeof(uint64_t));
> -+#if FASTFLOAT_IS_BIG_ENDIAN == 1
> -+  // Need to read as-if the number was in little-endian order.
> -+  val = byteswap(val);
> -+#endif
> -+  return val;
> -+}
> -+
> -+#ifdef FASTFLOAT_SSE2
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const __m128i data) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  const __m128i packed = _mm_packus_epi16(data, data);
> -+#ifdef FASTFLOAT_64BIT
> -+  return uint64_t(_mm_cvtsi128_si64(packed));
> -+#else
> -+  uint64_t value;
> -+  // Visual Studio + older versions of GCC don't support _mm_storeu_si64
> -+  _mm_storel_epi64(reinterpret_cast<__m128i *>(&value), packed);
> -+  return value;
> -+#endif
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t
> *chars) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  return simd_read8_to_u64(
> -+      _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars)));
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+#elif defined(FASTFLOAT_NEON)
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const uint16x8_t
> data) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  uint8x8_t utf8_packed = vmovn_u16(data);
> -+  return vget_lane_u64(vreinterpret_u64_u8(utf8_packed), 0);
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t
> *chars) {
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  return simd_read8_to_u64(
> -+      vld1q_u16(reinterpret_cast<const uint16_t *>(chars)));
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+}
> -+
> -+#endif // FASTFLOAT_SSE2
> -+
> -+// MSVC SFINAE is broken pre-VS2017
> -+#if defined(_MSC_VER) && _MSC_VER <= 1900
> -+template <typename UC>
> -+#else
> -+template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0>
> -+#endif
> -+// dummy for compile
> -+uint64_t simd_read8_to_u64(UC const *) {
> -+  return 0;
> -+}
> -+
> -+// credit  @aqrit
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint32_t
> -+parse_eight_digits_unrolled(uint64_t val) {
> -+  const uint64_t mask = 0x000000FF000000FF;
> -+  const uint64_t mul1 = 0x000F424000000064; // 100 + (1000000ULL << 32)
> -+  const uint64_t mul2 = 0x0000271000000001; // 1 + (10000ULL << 32)
> -+  val -= 0x3030303030303030;
> -+  val = (val * 10) + (val >> 8); // val = (val * 2561) >> 8;
> -+  val = (((val & mask) * mul1) + (((val >> 16) & mask) * mul2)) >> 32;
> -+  return uint32_t(val);
> -+}
> -+
> -+// Call this if chars are definitely 8 digits.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint32_t
> -+parse_eight_digits_unrolled(UC const *chars) noexcept {
> -+  if (cpp20_and_in_constexpr() || !has_simd_opt<UC>()) {
> -+    return parse_eight_digits_unrolled(read8_to_u64(chars)); //
> truncation okay
> -+  }
> -+  return parse_eight_digits_unrolled(simd_read8_to_u64(chars));
> -+}
> -+
> -+// credit @aqrit
> -+fastfloat_really_inline constexpr bool
> -+is_made_of_eight_digits_fast(uint64_t val) noexcept {
> -+  return !((((val + 0x4646464646464646) | (val - 0x3030303030303030)) &
> -+            0x8080808080808080));
> -+}
> -+
> -+#ifdef FASTFLOAT_HAS_SIMD
> -+
> -+// Call this if chars might not be 8 digits.
> -+// Using this style (instead of is_made_of_eight_digits_fast() then
> -+// parse_eight_digits_unrolled()) ensures we don't load SIMD registers
> twice.
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+simd_parse_if_eight_digits_unrolled(const char16_t *chars,
> -+                                    uint64_t &i) noexcept {
> -+  if (cpp20_and_in_constexpr()) {
> -+    return false;
> -+  }
> -+#ifdef FASTFLOAT_SSE2
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  const __m128i data =
> -+      _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars));
> -+
> -+  // (x - '0') <= 9
> -+  // http://0x80.pl/articles/simd-parsing-int-sequences.html
> -+  const __m128i t0 = _mm_add_epi16(data, _mm_set1_epi16(32720));
> -+  const __m128i t1 = _mm_cmpgt_epi16(t0, _mm_set1_epi16(-32759));
> -+
> -+  if (_mm_movemask_epi8(t1) == 0) {
> -+    i = i * 100000000 +
> parse_eight_digits_unrolled(simd_read8_to_u64(data));
> -+    return true;
> -+  } else
> -+    return false;
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+#elif defined(FASTFLOAT_NEON)
> -+  FASTFLOAT_SIMD_DISABLE_WARNINGS
> -+  const uint16x8_t data = vld1q_u16(reinterpret_cast<const uint16_t
> *>(chars));
> -+
> -+  // (x - '0') <= 9
> -+  // http://0x80.pl/articles/simd-parsing-int-sequences.html
> -+  const uint16x8_t t0 = vsubq_u16(data, vmovq_n_u16('0'));
> -+  const uint16x8_t mask = vcltq_u16(t0, vmovq_n_u16('9' - '0' + 1));
> -+
> -+  if (vminvq_u16(mask) == 0xFFFF) {
> -+    i = i * 100000000 +
> parse_eight_digits_unrolled(simd_read8_to_u64(data));
> -+    return true;
> -+  } else
> -+    return false;
> -+  FASTFLOAT_SIMD_RESTORE_WARNINGS
> -+#else
> -+  (void)chars;
> -+  (void)i;
> -+  return false;
> -+#endif // FASTFLOAT_SSE2
> -+}
> -+
> -+#endif // FASTFLOAT_HAS_SIMD
> -+
> -+// MSVC SFINAE is broken pre-VS2017
> -+#if defined(_MSC_VER) && _MSC_VER <= 1900
> -+template <typename UC>
> -+#else
> -+template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0>
> -+#endif
> -+// dummy for compile
> -+bool simd_parse_if_eight_digits_unrolled(UC const *, uint64_t &) {
> -+  return 0;
> -+}
> -+
> -+template <typename UC, FASTFLOAT_ENABLE_IF(!std::is_same<UC,
> char>::value) = 0>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+loop_parse_if_eight_digits(const UC *&p, const UC *const pend, uint64_t
> &i) {
> -+  if (!has_simd_opt<UC>()) {
> -+    return;
> -+  }
> -+  while ((std::distance(p, pend) >= 8) &&
> -+         simd_parse_if_eight_digits_unrolled(
> -+             p, i)) { // in rare cases, this will overflow, but that's ok
> -+    p += 8;
> -+  }
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+loop_parse_if_eight_digits(const char *&p, const char *const pend,
> -+                           uint64_t &i) {
> -+  // optimizes better than parse_if_eight_digits_unrolled() for UC =
> char.
> -+  while ((std::distance(p, pend) >= 8) &&
> -+         is_made_of_eight_digits_fast(read8_to_u64(p))) {
> -+    i = i * 100000000 +
> -+        parse_eight_digits_unrolled(read8_to_u64(
> -+            p)); // in rare cases, this will overflow, but that's ok
> -+    p += 8;
> -+  }
> -+}
> -+
> -+enum class parse_error {
> -+  no_error,
> -+  // [JSON-only] The minus sign must be followed by an integer.
> -+  missing_integer_after_sign,
> -+  // A sign must be followed by an integer or dot.
> -+  missing_integer_or_dot_after_sign,
> -+  // [JSON-only] The integer part must not have leading zeros.
> -+  leading_zeros_in_integer_part,
> -+  // [JSON-only] The integer part must have at least one digit.
> -+  no_digits_in_integer_part,
> -+  // [JSON-only] If there is a decimal point, there must be digits in the
> -+  // fractional part.
> -+  no_digits_in_fractional_part,
> -+  // The mantissa must have at least one digit.
> -+  no_digits_in_mantissa,
> -+  // Scientific notation requires an exponential part.
> -+  missing_exponential_part,
> -+};
> -+
> -+template <typename UC> struct parsed_number_string_t {
> -+  int64_t exponent{0};
> -+  uint64_t mantissa{0};
> -+  UC const *lastmatch{nullptr};
> -+  bool negative{false};
> -+  bool valid{false};
> -+  bool too_many_digits{false};
> -+  // contains the range of the significant digits
> -+  span<const UC> integer{};  // non-nullable
> -+  span<const UC> fraction{}; // nullable
> -+  parse_error error{parse_error::no_error};
> -+};
> -+
> -+using byte_span = span<const char>;
> -+using parsed_number_string = parsed_number_string_t<char>;
> -+
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC>
> -+report_parse_error(UC const *p, parse_error error) {
> -+  parsed_number_string_t<UC> answer;
> -+  answer.valid = false;
> -+  answer.lastmatch = p;
> -+  answer.error = error;
> -+  return answer;
> -+}
> -+
> -+// Assuming that you use no more than 19 digits, this will
> -+// parse an ASCII string.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC>
> -+parse_number_string(UC const *p, UC const *pend,
> -+                    parse_options_t<UC> options) noexcept {
> -+  chars_format const fmt = options.format;
> -+  UC const decimal_point = options.decimal_point;
> -+
> -+  parsed_number_string_t<UC> answer;
> -+  answer.valid = false;
> -+  answer.too_many_digits = false;
> -+  answer.negative = (*p == UC('-'));
> -+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
> -+  if ((*p == UC('-')) || (!(fmt & FASTFLOAT_JSONFMT) && *p == UC('+'))) {
> -+#else
> -+  if (*p == UC('-')) { // C++17 20.19.3.(7.1) explicitly forbids '+'
> sign here
> -+#endif
> -+    ++p;
> -+    if (p == pend) {
> -+      return report_parse_error<UC>(
> -+          p, parse_error::missing_integer_or_dot_after_sign);
> -+    }
> -+    if (fmt & FASTFLOAT_JSONFMT) {
> -+      if (!is_integer(*p)) { // a sign must be followed by an integer
> -+        return report_parse_error<UC>(p,
> -+
> parse_error::missing_integer_after_sign);
> -+      }
> -+    } else {
> -+      if (!is_integer(*p) &&
> -+          (*p !=
> -+           decimal_point)) { // a sign must be followed by an integer or
> the dot
> -+        return report_parse_error<UC>(
> -+            p, parse_error::missing_integer_or_dot_after_sign);
> -+      }
> -+    }
> -+  }
> -+  UC const *const start_digits = p;
> -+
> -+  uint64_t i = 0; // an unsigned int avoids signed overflows (which are
> bad)
> -+
> -+  while ((p != pend) && is_integer(*p)) {
> -+    // a multiplication by 10 is cheaper than an arbitrary integer
> -+    // multiplication
> -+    i = 10 * i +
> -+        uint64_t(*p -
> -+                 UC('0')); // might overflow, we will handle the
> overflow later
> -+    ++p;
> -+  }
> -+  UC const *const end_of_integer_part = p;
> -+  int64_t digit_count = int64_t(end_of_integer_part - start_digits);
> -+  answer.integer = span<const UC>(start_digits, size_t(digit_count));
> -+  if (fmt & FASTFLOAT_JSONFMT) {
> -+    // at least 1 digit in integer part, without leading zeros
> -+    if (digit_count == 0) {
> -+      return report_parse_error<UC>(p,
> parse_error::no_digits_in_integer_part);
> -+    }
> -+    if ((start_digits[0] == UC('0') && digit_count > 1)) {
> -+      return report_parse_error<UC>(start_digits,
> -+
> parse_error::leading_zeros_in_integer_part);
> -+    }
> -+  }
> -+
> -+  int64_t exponent = 0;
> -+  const bool has_decimal_point = (p != pend) && (*p == decimal_point);
> -+  if (has_decimal_point) {
> -+    ++p;
> -+    UC const *before = p;
> -+    // can occur at most twice without overflowing, but let it occur
> more, since
> -+    // for integers with many digits, digit parsing is the primary
> bottleneck.
> -+    loop_parse_if_eight_digits(p, pend, i);
> -+
> -+    while ((p != pend) && is_integer(*p)) {
> -+      uint8_t digit = uint8_t(*p - UC('0'));
> -+      ++p;
> -+      i = i * 10 + digit; // in rare cases, this will overflow, but
> that's ok
> -+    }
> -+    exponent = before - p;
> -+    answer.fraction = span<const UC>(before, size_t(p - before));
> -+    digit_count -= exponent;
> -+  }
> -+  if (fmt & FASTFLOAT_JSONFMT) {
> -+    // at least 1 digit in fractional part
> -+    if (has_decimal_point && exponent == 0) {
> -+      return report_parse_error<UC>(p,
> -+
> parse_error::no_digits_in_fractional_part);
> -+    }
> -+  } else if (digit_count ==
> -+             0) { // we must have encountered at least one integer!
> -+    return report_parse_error<UC>(p, parse_error::no_digits_in_mantissa);
> -+  }
> -+  int64_t exp_number = 0; // explicit exponential part
> -+  if (((fmt & chars_format::scientific) && (p != pend) &&
> -+       ((UC('e') == *p) || (UC('E') == *p))) ||
> -+      ((fmt & FASTFLOAT_FORTRANFMT) && (p != pend) &&
> -+       ((UC('+') == *p) || (UC('-') == *p) || (UC('d') == *p) ||
> -+        (UC('D') == *p)))) {
> -+    UC const *location_of_e = p;
> -+    if ((UC('e') == *p) || (UC('E') == *p) || (UC('d') == *p) ||
> -+        (UC('D') == *p)) {
> -+      ++p;
> -+    }
> -+    bool neg_exp = false;
> -+    if ((p != pend) && (UC('-') == *p)) {
> -+      neg_exp = true;
> -+      ++p;
> -+    } else if ((p != pend) &&
> -+               (UC('+') ==
> -+                *p)) { // '+' on exponent is allowed by C++17
> 20.19.3.(7.1)
> -+      ++p;
> -+    }
> -+    if ((p == pend) || !is_integer(*p)) {
> -+      if (!(fmt & chars_format::fixed)) {
> -+        // The exponential part is invalid for scientific notation, so
> it must
> -+        // be a trailing token for fixed notation. However, fixed
> notation is
> -+        // disabled, so report a scientific notation error.
> -+        return report_parse_error<UC>(p,
> parse_error::missing_exponential_part);
> -+      }
> -+      // Otherwise, we will be ignoring the 'e'.
> -+      p = location_of_e;
> -+    } else {
> -+      while ((p != pend) && is_integer(*p)) {
> -+        uint8_t digit = uint8_t(*p - UC('0'));
> -+        if (exp_number < 0x10000000) {
> -+          exp_number = 10 * exp_number + digit;
> -+        }
> -+        ++p;
> -+      }
> -+      if (neg_exp) {
> -+        exp_number = -exp_number;
> -+      }
> -+      exponent += exp_number;
> -+    }
> -+  } else {
> -+    // If it scientific and not fixed, we have to bail out.
> -+    if ((fmt & chars_format::scientific) && !(fmt &
> chars_format::fixed)) {
> -+      return report_parse_error<UC>(p,
> parse_error::missing_exponential_part);
> -+    }
> -+  }
> -+  answer.lastmatch = p;
> -+  answer.valid = true;
> -+
> -+  // If we frequently had to deal with long strings of digits,
> -+  // we could extend our code by using a 128-bit integer instead
> -+  // of a 64-bit integer. However, this is uncommon.
> -+  //
> -+  // We can deal with up to 19 digits.
> -+  if (digit_count > 19) { // this is uncommon
> -+    // It is possible that the integer had an overflow.
> -+    // We have to handle the case where we have 0.0000somenumber.
> -+    // We need to be mindful of the case where we only have zeroes...
> -+    // E.g., 0.000000000...000.
> -+    UC const *start = start_digits;
> -+    while ((start != pend) && (*start == UC('0') || *start ==
> decimal_point)) {
> -+      if (*start == UC('0')) {
> -+        digit_count--;
> -+      }
> -+      start++;
> -+    }
> -+
> -+    if (digit_count > 19) {
> -+      answer.too_many_digits = true;
> -+      // Let us start again, this time, avoiding overflows.
> -+      // We don't need to check if is_integer, since we use the
> -+      // pre-tokenized spans from above.
> -+      i = 0;
> -+      p = answer.integer.ptr;
> -+      UC const *int_end = p + answer.integer.len();
> -+      const uint64_t minimal_nineteen_digit_integer{1000000000000000000};
> -+      while ((i < minimal_nineteen_digit_integer) && (p != int_end)) {
> -+        i = i * 10 + uint64_t(*p - UC('0'));
> -+        ++p;
> -+      }
> -+      if (i >= minimal_nineteen_digit_integer) { // We have a big
> integers
> -+        exponent = end_of_integer_part - p + exp_number;
> -+      } else { // We have a value with a fractional component.
> -+        p = answer.fraction.ptr;
> -+        UC const *frac_end = p + answer.fraction.len();
> -+        while ((i < minimal_nineteen_digit_integer) && (p != frac_end)) {
> -+          i = i * 10 + uint64_t(*p - UC('0'));
> -+          ++p;
> -+        }
> -+        exponent = answer.fraction.ptr - p + exp_number;
> -+      }
> -+      // We have now corrected both exponent and i, to a truncated value
> -+    }
> -+  }
> -+  answer.exponent = exponent;
> -+  answer.mantissa = i;
> -+  return answer;
> -+}
> -+
> -+template <typename T, typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+parse_int_string(UC const *p, UC const *pend, T &value, int base) {
> -+  from_chars_result_t<UC> answer;
> -+
> -+  UC const *const first = p;
> -+
> -+  bool negative = (*p == UC('-'));
> -+  if (!std::is_signed<T>::value && negative) {
> -+    answer.ec = std::errc::invalid_argument;
> -+    answer.ptr = first;
> -+    return answer;
> -+  }
> -+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
> -+  if ((*p == UC('-')) || (*p == UC('+'))) {
> -+#else
> -+  if (*p == UC('-')) {
> -+#endif
> -+    ++p;
> -+  }
> -+
> -+  UC const *const start_num = p;
> -+
> -+  while (p != pend && *p == UC('0')) {
> -+    ++p;
> -+  }
> -+
> -+  const bool has_leading_zeros = p > start_num;
> -+
> -+  UC const *const start_digits = p;
> -+
> -+  uint64_t i = 0;
> -+  if (base == 10) {
> -+    loop_parse_if_eight_digits(p, pend, i); // use SIMD if possible
> -+  }
> -+  while (p != pend) {
> -+    uint8_t digit = ch_to_digit(*p);
> -+    if (digit >= base) {
> -+      break;
> -+    }
> -+    i = uint64_t(base) * i + digit; // might overflow, check this later
> -+    p++;
> -+  }
> -+
> -+  size_t digit_count = size_t(p - start_digits);
> -+
> -+  if (digit_count == 0) {
> -+    if (has_leading_zeros) {
> -+      value = 0;
> -+      answer.ec = std::errc();
> -+      answer.ptr = p;
> -+    } else {
> -+      answer.ec = std::errc::invalid_argument;
> -+      answer.ptr = first;
> -+    }
> -+    return answer;
> -+  }
> -+
> -+  answer.ptr = p;
> -+
> -+  // check u64 overflow
> -+  size_t max_digits = max_digits_u64(base);
> -+  if (digit_count > max_digits) {
> -+    answer.ec = std::errc::result_out_of_range;
> -+    return answer;
> -+  }
> -+  // this check can be eliminated for all other types, but they will all
> require
> -+  // a max_digits(base) equivalent
> -+  if (digit_count == max_digits && i < min_safe_u64(base)) {
> -+    answer.ec = std::errc::result_out_of_range;
> -+    return answer;
> -+  }
> -+
> -+  // check other types overflow
> -+  if (!std::is_same<T, uint64_t>::value) {
> -+    if (i > uint64_t(std::numeric_limits<T>::max()) +
> uint64_t(negative)) {
> -+      answer.ec = std::errc::result_out_of_range;
> -+      return answer;
> -+    }
> -+  }
> -+
> -+  if (negative) {
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(push)
> -+#pragma warning(disable : 4146)
> -+#endif
> -+    // this weird workaround is required because:
> -+    // - converting unsigned to signed when its value is greater than
> signed max
> -+    // is UB pre-C++23.
> -+    // - reinterpret_casting (~i + 1) would work, but it is not constexpr
> -+    // this is always optimized into a neg instruction (note: T is an
> integer
> -+    // type)
> -+    value = T(-std::numeric_limits<T>::max() -
> -+              T(i - uint64_t(std::numeric_limits<T>::max())));
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(pop)
> -+#endif
> -+  } else {
> -+    value = T(i);
> -+  }
> -+
> -+  answer.ec = std::errc();
> -+  return answer;
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_FAST_TABLE_H
> -+#define FASTFLOAT_FAST_TABLE_H
> -+
> -+#include <cstdint>
> -+
> -+namespace fast_float {
> -+
> -+/**
> -+ * When mapping numbers from decimal to binary,
> -+ * we go from w * 10^q to m * 2^p but we have
> -+ * 10^q = 5^q * 2^q, so effectively
> -+ * we are trying to match
> -+ * w * 2^q * 5^q to m * 2^p. Thus the powers of two
> -+ * are not a concern since they can be represented
> -+ * exactly using the binary notation, only the powers of five
> -+ * affect the binary significand.
> -+ */
> -+
> -+/**
> -+ * The smallest non-zero float (binary64) is 2^-1074.
> -+ * We take as input numbers of the form w x 10^q where w < 2^64.
> -+ * We have that w * 10^-343  <  2^(64-344) 5^-343 < 2^-1076.
> -+ * However, we have that
> -+ * (2^64-1) * 10^-342 =  (2^64-1) * 2^-342 * 5^-342 > 2^-1074.
> -+ * Thus it is possible for a number of the form w * 10^-342 where
> -+ * w is a 64-bit value to be a non-zero floating-point number.
> -+ *********
> -+ * Any number of form w * 10^309 where w>= 1 is going to be
> -+ * infinite in binary64 so we never need to worry about powers
> -+ * of 5 greater than 308.
> -+ */
> -+template <class unused = void> struct powers_template {
> -+
> -+  constexpr static int smallest_power_of_five =
> -+      binary_format<double>::smallest_power_of_ten();
> -+  constexpr static int largest_power_of_five =
> -+      binary_format<double>::largest_power_of_ten();
> -+  constexpr static int number_of_entries =
> -+      2 * (largest_power_of_five - smallest_power_of_five + 1);
> -+  // Powers of five from 5^-342 all the way to 5^308 rounded toward one.
> -+  constexpr static uint64_t power_of_five_128[number_of_entries] = {
> -+      0xeef453d6923bd65a, 0x113faa2906a13b3f,
> -+      0x9558b4661b6565f8, 0x4ac7ca59a424c507,
> -+      0xbaaee17fa23ebf76, 0x5d79bcf00d2df649,
> -+      0xe95a99df8ace6f53, 0xf4d82c2c107973dc,
> -+      0x91d8a02bb6c10594, 0x79071b9b8a4be869,
> -+      0xb64ec836a47146f9, 0x9748e2826cdee284,
> -+      0xe3e27a444d8d98b7, 0xfd1b1b2308169b25,
> -+      0x8e6d8c6ab0787f72, 0xfe30f0f5e50e20f7,
> -+      0xb208ef855c969f4f, 0xbdbd2d335e51a935,
> -+      0xde8b2b66b3bc4723, 0xad2c788035e61382,
> -+      0x8b16fb203055ac76, 0x4c3bcb5021afcc31,
> -+      0xaddcb9e83c6b1793, 0xdf4abe242a1bbf3d,
> -+      0xd953e8624b85dd78, 0xd71d6dad34a2af0d,
> -+      0x87d4713d6f33aa6b, 0x8672648c40e5ad68,
> -+      0xa9c98d8ccb009506, 0x680efdaf511f18c2,
> -+      0xd43bf0effdc0ba48, 0x212bd1b2566def2,
> -+      0x84a57695fe98746d, 0x14bb630f7604b57,
> -+      0xa5ced43b7e3e9188, 0x419ea3bd35385e2d,
> -+      0xcf42894a5dce35ea, 0x52064cac828675b9,
> -+      0x818995ce7aa0e1b2, 0x7343efebd1940993,
> -+      0xa1ebfb4219491a1f, 0x1014ebe6c5f90bf8,
> -+      0xca66fa129f9b60a6, 0xd41a26e077774ef6,
> -+      0xfd00b897478238d0, 0x8920b098955522b4,
> -+      0x9e20735e8cb16382, 0x55b46e5f5d5535b0,
> -+      0xc5a890362fddbc62, 0xeb2189f734aa831d,
> -+      0xf712b443bbd52b7b, 0xa5e9ec7501d523e4,
> -+      0x9a6bb0aa55653b2d, 0x47b233c92125366e,
> -+      0xc1069cd4eabe89f8, 0x999ec0bb696e840a,
> -+      0xf148440a256e2c76, 0xc00670ea43ca250d,
> -+      0x96cd2a865764dbca, 0x380406926a5e5728,
> -+      0xbc807527ed3e12bc, 0xc605083704f5ecf2,
> -+      0xeba09271e88d976b, 0xf7864a44c633682e,
> -+      0x93445b8731587ea3, 0x7ab3ee6afbe0211d,
> -+      0xb8157268fdae9e4c, 0x5960ea05bad82964,
> -+      0xe61acf033d1a45df, 0x6fb92487298e33bd,
> -+      0x8fd0c16206306bab, 0xa5d3b6d479f8e056,
> -+      0xb3c4f1ba87bc8696, 0x8f48a4899877186c,
> -+      0xe0b62e2929aba83c, 0x331acdabfe94de87,
> -+      0x8c71dcd9ba0b4925, 0x9ff0c08b7f1d0b14,
> -+      0xaf8e5410288e1b6f, 0x7ecf0ae5ee44dd9,
> -+      0xdb71e91432b1a24a, 0xc9e82cd9f69d6150,
> -+      0x892731ac9faf056e, 0xbe311c083a225cd2,
> -+      0xab70fe17c79ac6ca, 0x6dbd630a48aaf406,
> -+      0xd64d3d9db981787d, 0x92cbbccdad5b108,
> -+      0x85f0468293f0eb4e, 0x25bbf56008c58ea5,
> -+      0xa76c582338ed2621, 0xaf2af2b80af6f24e,
> -+      0xd1476e2c07286faa, 0x1af5af660db4aee1,
> -+      0x82cca4db847945ca, 0x50d98d9fc890ed4d,
> -+      0xa37fce126597973c, 0xe50ff107bab528a0,
> -+      0xcc5fc196fefd7d0c, 0x1e53ed49a96272c8,
> -+      0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7a,
> -+      0x9faacf3df73609b1, 0x77b191618c54e9ac,
> -+      0xc795830d75038c1d, 0xd59df5b9ef6a2417,
> -+      0xf97ae3d0d2446f25, 0x4b0573286b44ad1d,
> -+      0x9becce62836ac577, 0x4ee367f9430aec32,
> -+      0xc2e801fb244576d5, 0x229c41f793cda73f,
> -+      0xf3a20279ed56d48a, 0x6b43527578c1110f,
> -+      0x9845418c345644d6, 0x830a13896b78aaa9,
> -+      0xbe5691ef416bd60c, 0x23cc986bc656d553,
> -+      0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa8,
> -+      0x94b3a202eb1c3f39, 0x7bf7d71432f3d6a9,
> -+      0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc53,
> -+      0xe858ad248f5c22c9, 0xd1b3400f8f9cff68,
> -+      0x91376c36d99995be, 0x23100809b9c21fa1,
> -+      0xb58547448ffffb2d, 0xabd40a0c2832a78a,
> -+      0xe2e69915b3fff9f9, 0x16c90c8f323f516c,
> -+      0x8dd01fad907ffc3b, 0xae3da7d97f6792e3,
> -+      0xb1442798f49ffb4a, 0x99cd11cfdf41779c,
> -+      0xdd95317f31c7fa1d, 0x40405643d711d583,
> -+      0x8a7d3eef7f1cfc52, 0x482835ea666b2572,
> -+      0xad1c8eab5ee43b66, 0xda3243650005eecf,
> -+      0xd863b256369d4a40, 0x90bed43e40076a82,
> -+      0x873e4f75e2224e68, 0x5a7744a6e804a291,
> -+      0xa90de3535aaae202, 0x711515d0a205cb36,
> -+      0xd3515c2831559a83, 0xd5a5b44ca873e03,
> -+      0x8412d9991ed58091, 0xe858790afe9486c2,
> -+      0xa5178fff668ae0b6, 0x626e974dbe39a872,
> -+      0xce5d73ff402d98e3, 0xfb0a3d212dc8128f,
> -+      0x80fa687f881c7f8e, 0x7ce66634bc9d0b99,
> -+      0xa139029f6a239f72, 0x1c1fffc1ebc44e80,
> -+      0xc987434744ac874e, 0xa327ffb266b56220,
> -+      0xfbe9141915d7a922, 0x4bf1ff9f0062baa8,
> -+      0x9d71ac8fada6c9b5, 0x6f773fc3603db4a9,
> -+      0xc4ce17b399107c22, 0xcb550fb4384d21d3,
> -+      0xf6019da07f549b2b, 0x7e2a53a146606a48,
> -+      0x99c102844f94e0fb, 0x2eda7444cbfc426d,
> -+      0xc0314325637a1939, 0xfa911155fefb5308,
> -+      0xf03d93eebc589f88, 0x793555ab7eba27ca,
> -+      0x96267c7535b763b5, 0x4bc1558b2f3458de,
> -+      0xbbb01b9283253ca2, 0x9eb1aaedfb016f16,
> -+      0xea9c227723ee8bcb, 0x465e15a979c1cadc,
> -+      0x92a1958a7675175f, 0xbfacd89ec191ec9,
> -+      0xb749faed14125d36, 0xcef980ec671f667b,
> -+      0xe51c79a85916f484, 0x82b7e12780e7401a,
> -+      0x8f31cc0937ae58d2, 0xd1b2ecb8b0908810,
> -+      0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa15,
> -+      0xdfbdcece67006ac9, 0x67a791e093e1d49a,
> -+      0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e0,
> -+      0xaecc49914078536d, 0x58fae9f773886e18,
> -+      0xda7f5bf590966848, 0xaf39a475506a899e,
> -+      0x888f99797a5e012d, 0x6d8406c952429603,
> -+      0xaab37fd7d8f58178, 0xc8e5087ba6d33b83,
> -+      0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a64,
> -+      0x855c3be0a17fcd26, 0x5cf2eea09a55067f,
> -+      0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481e,
> -+      0xd0601d8efc57b08b, 0xf13b94daf124da26,
> -+      0x823c12795db6ce57, 0x76c53d08d6b70858,
> -+      0xa2cb1717b52481ed, 0x54768c4b0c64ca6e,
> -+      0xcb7ddcdda26da268, 0xa9942f5dcf7dfd09,
> -+      0xfe5d54150b090b02, 0xd3f93b35435d7c4c,
> -+      0x9efa548d26e5a6e1, 0xc47bc5014a1a6daf,
> -+      0xc6b8e9b0709f109a, 0x359ab6419ca1091b,
> -+      0xf867241c8cc6d4c0, 0xc30163d203c94b62,
> -+      0x9b407691d7fc44f8, 0x79e0de63425dcf1d,
> -+      0xc21094364dfb5636, 0x985915fc12f542e4,
> -+      0xf294b943e17a2bc4, 0x3e6f5b7b17b2939d,
> -+      0x979cf3ca6cec5b5a, 0xa705992ceecf9c42,
> -+      0xbd8430bd08277231, 0x50c6ff782a838353,
> -+      0xece53cec4a314ebd, 0xa4f8bf5635246428,
> -+      0x940f4613ae5ed136, 0x871b7795e136be99,
> -+      0xb913179899f68584, 0x28e2557b59846e3f,
> -+      0xe757dd7ec07426e5, 0x331aeada2fe589cf,
> -+      0x9096ea6f3848984f, 0x3ff0d2c85def7621,
> -+      0xb4bca50b065abe63, 0xfed077a756b53a9,
> -+      0xe1ebce4dc7f16dfb, 0xd3e8495912c62894,
> -+      0x8d3360f09cf6e4bd, 0x64712dd7abbbd95c,
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> -+      0x9f4f2726179a2245, 0x1d762422c946590,
> -+      0xc722f0ef9d80aad6, 0x424d3ad2b7b97ef5,
> -+      0xf8ebad2b84e0d58b, 0xd2e0898765a7deb2,
> -+      0x9b934c3b330c8577, 0x63cc55f49f88eb2f,
> -+      0xc2781f49ffcfa6d5, 0x3cbf6b71c76b25fb,
> -+      0xf316271c7fc3908a, 0x8bef464e3945ef7a,
> -+      0x97edd871cfda3a56, 0x97758bf0e3cbb5ac,
> -+      0xbde94e8e43d0c8ec, 0x3d52eeed1cbea317,
> -+      0xed63a231d4c4fb27, 0x4ca7aaa863ee4bdd,
> -+      0x945e455f24fb1cf8, 0x8fe8caa93e74ef6a,
> -+      0xb975d6b6ee39e436, 0xb3e2fd538e122b44,
> -+      0xe7d34c64a9c85d44, 0x60dbbca87196b616,
> -+      0x90e40fbeea1d3a4a, 0xbc8955e946fe31cd,
> -+      0xb51d13aea4a488dd, 0x6babab6398bdbe41,
> -+      0xe264589a4dcdab14, 0xc696963c7eed2dd1,
> -+      0x8d7eb76070a08aec, 0xfc1e1de5cf543ca2,
> -+      0xb0de65388cc8ada8, 0x3b25a55f43294bcb,
> -+      0xdd15fe86affad912, 0x49ef0eb713f39ebe,
> -+      0x8a2dbf142dfcc7ab, 0x6e3569326c784337,
> -+      0xacb92ed9397bf996, 0x49c2c37f07965404,
> -+      0xd7e77a8f87daf7fb, 0xdc33745ec97be906,
> -+      0x86f0ac99b4e8dafd, 0x69a028bb3ded71a3,
> -+      0xa8acd7c0222311bc, 0xc40832ea0d68ce0c,
> -+      0xd2d80db02aabd62b, 0xf50a3fa490c30190,
> -+      0x83c7088e1aab65db, 0x792667c6da79e0fa,
> -+      0xa4b8cab1a1563f52, 0x577001b891185938,
> -+      0xcde6fd5e09abcf26, 0xed4c0226b55e6f86,
> -+      0x80b05e5ac60b6178, 0x544f8158315b05b4,
> -+      0xa0dc75f1778e39d6, 0x696361ae3db1c721,
> -+      0xc913936dd571c84c, 0x3bc3a19cd1e38e9,
> -+      0xfb5878494ace3a5f, 0x4ab48a04065c723,
> -+      0x9d174b2dcec0e47b, 0x62eb0d64283f9c76,
> -+      0xc45d1df942711d9a, 0x3ba5d0bd324f8394,
> -+      0xf5746577930d6500, 0xca8f44ec7ee36479,
> -+      0x9968bf6abbe85f20, 0x7e998b13cf4e1ecb,
> -+      0xbfc2ef456ae276e8, 0x9e3fedd8c321a67e,
> -+      0xefb3ab16c59b14a2, 0xc5cfe94ef3ea101e,
> -+      0x95d04aee3b80ece5, 0xbba1f1d158724a12,
> -+      0xbb445da9ca61281f, 0x2a8a6e45ae8edc97,
> -+      0xea1575143cf97226, 0xf52d09d71a3293bd,
> -+      0x924d692ca61be758, 0x593c2626705f9c56,
> -+      0xb6e0c377cfa2e12e, 0x6f8b2fb00c77836c,
> -+      0xe498f455c38b997a, 0xb6dfb9c0f956447,
> -+      0x8edf98b59a373fec, 0x4724bd4189bd5eac,
> -+      0xb2977ee300c50fe7, 0x58edec91ec2cb657,
> -+      0xdf3d5e9bc0f653e1, 0x2f2967b66737e3ed,
> -+      0x8b865b215899f46c, 0xbd79e0d20082ee74,
> -+      0xae67f1e9aec07187, 0xecd8590680a3aa11,
> -+      0xda01ee641a708de9, 0xe80e6f4820cc9495,
> -+      0x884134fe908658b2, 0x3109058d147fdcdd,
> -+      0xaa51823e34a7eede, 0xbd4b46f0599fd415,
> -+      0xd4e5e2cdc1d1ea96, 0x6c9e18ac7007c91a,
> -+      0x850fadc09923329e, 0x3e2cf6bc604ddb0,
> -+      0xa6539930bf6bff45, 0x84db8346b786151c,
> -+      0xcfe87f7cef46ff16, 0xe612641865679a63,
> -+      0x81f14fae158c5f6e, 0x4fcb7e8f3f60c07e,
> -+      0xa26da3999aef7749, 0xe3be5e330f38f09d,
> -+      0xcb090c8001ab551c, 0x5cadf5bfd3072cc5,
> -+      0xfdcb4fa002162a63, 0x73d9732fc7c8f7f6,
> -+      0x9e9f11c4014dda7e, 0x2867e7fddcdd9afa,
> -+      0xc646d63501a1511d, 0xb281e1fd541501b8,
> -+      0xf7d88bc24209a565, 0x1f225a7ca91a4226,
> -+      0x9ae757596946075f, 0x3375788de9b06958,
> -+      0xc1a12d2fc3978937, 0x52d6b1641c83ae,
> -+      0xf209787bb47d6b84, 0xc0678c5dbd23a49a,
> -+      0x9745eb4d50ce6332, 0xf840b7ba963646e0,
> -+      0xbd176620a501fbff, 0xb650e5a93bc3d898,
> -+      0xec5d3fa8ce427aff, 0xa3e51f138ab4cebe,
> -+      0x93ba47c980e98cdf, 0xc66f336c36b10137,
> -+      0xb8a8d9bbe123f017, 0xb80b0047445d4184,
> -+      0xe6d3102ad96cec1d, 0xa60dc059157491e5,
> -+      0x9043ea1ac7e41392, 0x87c89837ad68db2f,
> -+      0xb454e4a179dd1877, 0x29babe4598c311fb,
> -+      0xe16a1dc9d8545e94, 0xf4296dd6fef3d67a,
> -+      0x8ce2529e2734bb1d, 0x1899e4a65f58660c,
> -+      0xb01ae745b101e9e4, 0x5ec05dcff72e7f8f,
> -+      0xdc21a1171d42645d, 0x76707543f4fa1f73,
> -+      0x899504ae72497eba, 0x6a06494a791c53a8,
> -+      0xabfa45da0edbde69, 0x487db9d17636892,
> -+      0xd6f8d7509292d603, 0x45a9d2845d3c42b6,
> -+      0x865b86925b9bc5c2, 0xb8a2392ba45a9b2,
> -+      0xa7f26836f282b732, 0x8e6cac7768d7141e,
> -+      0xd1ef0244af2364ff, 0x3207d795430cd926,
> -+      0x8335616aed761f1f, 0x7f44e6bd49e807b8,
> -+      0xa402b9c5a8d3a6e7, 0x5f16206c9c6209a6,
> -+      0xcd036837130890a1, 0x36dba887c37a8c0f,
> -+      0x802221226be55a64, 0xc2494954da2c9789,
> -+      0xa02aa96b06deb0fd, 0xf2db9baa10b7bd6c,
> -+      0xc83553c5c8965d3d, 0x6f92829494e5acc7,
> -+      0xfa42a8b73abbf48c, 0xcb772339ba1f17f9,
> -+      0x9c69a97284b578d7, 0xff2a760414536efb,
> -+      0xc38413cf25e2d70d, 0xfef5138519684aba,
> -+      0xf46518c2ef5b8cd1, 0x7eb258665fc25d69,
> -+      0x98bf2f79d5993802, 0xef2f773ffbd97a61,
> -+      0xbeeefb584aff8603, 0xaafb550ffacfd8fa,
> -+      0xeeaaba2e5dbf6784, 0x95ba2a53f983cf38,
> -+      0x952ab45cfa97a0b2, 0xdd945a747bf26183,
> -+      0xba756174393d88df, 0x94f971119aeef9e4,
> -+      0xe912b9d1478ceb17, 0x7a37cd5601aab85d,
> -+      0x91abb422ccb812ee, 0xac62e055c10ab33a,
> -+      0xb616a12b7fe617aa, 0x577b986b314d6009,
> -+      0xe39c49765fdf9d94, 0xed5a7e85fda0b80b,
> -+      0x8e41ade9fbebc27d, 0x14588f13be847307,
> -+      0xb1d219647ae6b31c, 0x596eb2d8ae258fc8,
> -+      0xde469fbd99a05fe3, 0x6fca5f8ed9aef3bb,
> -+      0x8aec23d680043bee, 0x25de7bb9480d5854,
> -+      0xada72ccc20054ae9, 0xaf561aa79a10ae6a,
> -+      0xd910f7ff28069da4, 0x1b2ba1518094da04,
> -+      0x87aa9aff79042286, 0x90fb44d2f05d0842,
> -+      0xa99541bf57452b28, 0x353a1607ac744a53,
> -+      0xd3fa922f2d1675f2, 0x42889b8997915ce8,
> -+      0x847c9b5d7c2e09b7, 0x69956135febada11,
> -+      0xa59bc234db398c25, 0x43fab9837e699095,
> -+      0xcf02b2c21207ef2e, 0x94f967e45e03f4bb,
> -+      0x8161afb94b44f57d, 0x1d1be0eebac278f5,
> -+      0xa1ba1ba79e1632dc, 0x6462d92a69731732,
> -+      0xca28a291859bbf93, 0x7d7b8f7503cfdcfe,
> -+      0xfcb2cb35e702af78, 0x5cda735244c3d43e,
> -+      0x9defbf01b061adab, 0x3a0888136afa64a7,
> -+      0xc56baec21c7a1916, 0x88aaa1845b8fdd0,
> -+      0xf6c69a72a3989f5b, 0x8aad549e57273d45,
> -+      0x9a3c2087a63f6399, 0x36ac54e2f678864b,
> -+      0xc0cb28a98fcf3c7f, 0x84576a1bb416a7dd,
> -+      0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d5,
> -+      0x969eb7c47859e743, 0x9f644ae5a4b1b325,
> -+      0xbc4665b596706114, 0x873d5d9f0dde1fee,
> -+      0xeb57ff22fc0c7959, 0xa90cb506d155a7ea,
> -+      0x9316ff75dd87cbd8, 0x9a7f12442d588f2,
> -+      0xb7dcbf5354e9bece, 0xc11ed6d538aeb2f,
> -+      0xe5d3ef282a242e81, 0x8f1668c8a86da5fa,
> -+      0x8fa475791a569d10, 0xf96e017d694487bc,
> -+      0xb38d92d760ec4455, 0x37c981dcc395a9ac,
> -+      0xe070f78d3927556a, 0x85bbe253f47b1417,
> -+      0x8c469ab843b89562, 0x93956d7478ccec8e,
> -+      0xaf58416654a6babb, 0x387ac8d1970027b2,
> -+      0xdb2e51bfe9d0696a, 0x6997b05fcc0319e,
> -+      0x88fcf317f22241e2, 0x441fece3bdf81f03,
> -+      0xab3c2fddeeaad25a, 0xd527e81cad7626c3,
> -+      0xd60b3bd56a5586f1, 0x8a71e223d8d3b074,
> -+      0x85c7056562757456, 0xf6872d5667844e49,
> -+      0xa738c6bebb12d16c, 0xb428f8ac016561db,
> -+      0xd106f86e69d785c7, 0xe13336d701beba52,
> -+      0x82a45b450226b39c, 0xecc0024661173473,
> -+      0xa34d721642b06084, 0x27f002d7f95d0190,
> -+      0xcc20ce9bd35c78a5, 0x31ec038df7b441f4,
> -+      0xff290242c83396ce, 0x7e67047175a15271,
> -+      0x9f79a169bd203e41, 0xf0062c6e984d386,
> -+      0xc75809c42c684dd1, 0x52c07b78a3e60868,
> -+      0xf92e0c3537826145, 0xa7709a56ccdf8a82,
> -+      0x9bbcc7a142b17ccb, 0x88a66076400bb691,
> -+      0xc2abf989935ddbfe, 0x6acff893d00ea435,
> -+      0xf356f7ebf83552fe, 0x583f6b8c4124d43,
> -+      0x98165af37b2153de, 0xc3727a337a8b704a,
> -+      0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5c,
> -+      0xeda2ee1c7064130c, 0x1162def06f79df73,
> -+      0x9485d4d1c63e8be7, 0x8addcb5645ac2ba8,
> -+      0xb9a74a0637ce2ee1, 0x6d953e2bd7173692,
> -+      0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0437,
> -+      0x910ab1d4db9914a0, 0x1d9c9892400a22a2,
> -+      0xb54d5e4a127f59c8, 0x2503beb6d00cab4b,
> -+      0xe2a0b5dc971f303a, 0x2e44ae64840fd61d,
> -+      0x8da471a9de737e24, 0x5ceaecfed289e5d2,
> -+      0xb10d8e1456105dad, 0x7425a83e872c5f47,
> -+      0xdd50f1996b947518, 0xd12f124e28f77719,
> -+      0x8a5296ffe33cc92f, 0x82bd6b70d99aaa6f,
> -+      0xace73cbfdc0bfb7b, 0x636cc64d1001550b,
> -+      0xd8210befd30efa5a, 0x3c47f7e05401aa4e,
> -+      0x8714a775e3e95c78, 0x65acfaec34810a71,
> -+      0xa8d9d1535ce3b396, 0x7f1839a741a14d0d,
> -+      0xd31045a8341ca07c, 0x1ede48111209a050,
> -+      0x83ea2b892091e44d, 0x934aed0aab460432,
> -+      0xa4e4b66b68b65d60, 0xf81da84d5617853f,
> -+      0xce1de40642e3f4b9, 0x36251260ab9d668e,
> -+      0x80d2ae83e9ce78f3, 0xc1d72b7c6b426019,
> -+      0xa1075a24e4421730, 0xb24cf65b8612f81f,
> -+      0xc94930ae1d529cfc, 0xdee033f26797b627,
> -+      0xfb9b7cd9a4a7443c, 0x169840ef017da3b1,
> -+      0x9d412e0806e88aa5, 0x8e1f289560ee864e,
> -+      0xc491798a08a2ad4e, 0xf1a6f2bab92a27e2,
> -+      0xf5b5d7ec8acb58a2, 0xae10af696774b1db,
> -+      0x9991a6f3d6bf1765, 0xacca6da1e0a8ef29,
> -+      0xbff610b0cc6edd3f, 0x17fd090a58d32af3,
> -+      0xeff394dcff8a948e, 0xddfc4b4cef07f5b0,
> -+      0x95f83d0a1fb69cd9, 0x4abdaf101564f98e,
> -+      0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f1,
> -+      0xea53df5fd18d5513, 0x84c86189216dc5ed,
> -+      0x92746b9be2f8552c, 0x32fd3cf5b4e49bb4,
> -+      0xb7118682dbb66a77, 0x3fbc8c33221dc2a1,
> -+      0xe4d5e82392a40515, 0xfabaf3feaa5334a,
> -+      0x8f05b1163ba6832d, 0x29cb4d87f2a7400e,
> -+      0xb2c71d5bca9023f8, 0x743e20e9ef511012,
> -+      0xdf78e4b2bd342cf6, 0x914da9246b255416,
> -+      0x8bab8eefb6409c1a, 0x1ad089b6c2f7548e,
> -+      0xae9672aba3d0c320, 0xa184ac2473b529b1,
> -+      0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741e,
> -+      0x8865899617fb1871, 0x7e2fa67c7a658892,
> -+      0xaa7eebfb9df9de8d, 0xddbb901b98feeab7,
> -+      0xd51ea6fa85785631, 0x552a74227f3ea565,
> -+      0x8533285c936b35de, 0xd53a88958f87275f,
> -+      0xa67ff273b8460356, 0x8a892abaf368f137,
> -+      0xd01fef10a657842c, 0x2d2b7569b0432d85,
> -+      0x8213f56a67f6b29b, 0x9c3b29620e29fc73,
> -+      0xa298f2c501f45f42, 0x8349f3ba91b47b8f,
> -+      0xcb3f2f7642717713, 0x241c70a936219a73,
> -+      0xfe0efb53d30dd4d7, 0xed238cd383aa0110,
> -+      0x9ec95d1463e8a506, 0xf4363804324a40aa,
> -+      0xc67bb4597ce2ce48, 0xb143c6053edcd0d5,
> -+      0xf81aa16fdc1b81da, 0xdd94b7868e94050a,
> -+      0x9b10a4e5e9913128, 0xca7cf2b4191c8326,
> -+      0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f0,
> -+      0xf24a01a73cf2dccf, 0xbc633b39673c8cec,
> -+      0x976e41088617ca01, 0xd5be0503e085d813,
> -+      0xbd49d14aa79dbc82, 0x4b2d8644d8a74e18,
> -+      0xec9c459d51852ba2, 0xddf8e7d60ed1219e,
> -+      0x93e1ab8252f33b45, 0xcabb90e5c942b503,
> -+      0xb8da1662e7b00a17, 0x3d6a751f3b936243,
> -+      0xe7109bfba19c0c9d, 0xcc512670a783ad4,
> -+      0x906a617d450187e2, 0x27fb2b80668b24c5,
> -+      0xb484f9dc9641e9da, 0xb1f9f660802dedf6,
> -+      0xe1a63853bbd26451, 0x5e7873f8a0396973,
> -+      0x8d07e33455637eb2, 0xdb0b487b6423e1e8,
> -+      0xb049dc016abc5e5f, 0x91ce1a9a3d2cda62,
> -+      0xdc5c5301c56b75f7, 0x7641a140cc7810fb,
> -+      0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9d,
> -+      0xac2820d9623bf429, 0x546345fa9fbdcd44,
> -+      0xd732290fbacaf133, 0xa97c177947ad4095,
> -+      0x867f59a9d4bed6c0, 0x49ed8eabcccc485d,
> -+      0xa81f301449ee8c70, 0x5c68f256bfff5a74,
> -+      0xd226fc195c6a2f8c, 0x73832eec6fff3111,
> -+      0x83585d8fd9c25db7, 0xc831fd53c5ff7eab,
> -+      0xa42e74f3d032f525, 0xba3e7ca8b77f5e55,
> -+      0xcd3a1230c43fb26f, 0x28ce1bd2e55f35eb,
> -+      0x80444b5e7aa7cf85, 0x7980d163cf5b81b3,
> -+      0xa0555e361951c366, 0xd7e105bcc332621f,
> -+      0xc86ab5c39fa63440, 0x8dd9472bf3fefaa7,
> -+      0xfa856334878fc150, 0xb14f98f6f0feb951,
> -+      0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d3,
> -+      0xc3b8358109e84f07, 0xa862f80ec4700c8,
> -+      0xf4a642e14c6262c8, 0xcd27bb612758c0fa,
> -+      0x98e7e9cccfbd7dbd, 0x8038d51cb897789c,
> -+      0xbf21e44003acdd2c, 0xe0470a63e6bd56c3,
> -+      0xeeea5d5004981478, 0x1858ccfce06cac74,
> -+      0x95527a5202df0ccb, 0xf37801e0c43ebc8,
> -+      0xbaa718e68396cffd, 0xd30560258f54e6ba,
> -+      0xe950df20247c83fd, 0x47c6b82ef32a2069,
> -+      0x91d28b7416cdd27e, 0x4cdc331d57fa5441,
> -+      0xb6472e511c81471d, 0xe0133fe4adf8e952,
> -+      0xe3d8f9e563a198e5, 0x58180fddd97723a6,
> -+      0x8e679c2f5e44ff8f, 0x570f09eaa7ea7648,
> -+  };
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <class unused>
> -+constexpr uint64_t
> -+    powers_template<unused>::power_of_five_128[number_of_entries];
> -+
> -+#endif
> -+
> -+using powers = powers_template<>;
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_DECIMAL_TO_BINARY_H
> -+#define FASTFLOAT_DECIMAL_TO_BINARY_H
> -+
> -+#include <cfloat>
> -+#include <cinttypes>
> -+#include <cmath>
> -+#include <cstdint>
> -+#include <cstdlib>
> -+#include <cstring>
> -+
> -+namespace fast_float {
> -+
> -+// This will compute or rather approximate w * 5**q and return a pair of
> 64-bit
> -+// words approximating the result, with the "high" part corresponding to
> the
> -+// most significant bits and the low part corresponding to the least
> significant
> -+// bits.
> -+//
> -+template <int bit_precision>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128
> -+compute_product_approximation(int64_t q, uint64_t w) {
> -+  const int index = 2 * int(q - powers::smallest_power_of_five);
> -+  // For small values of q, e.g., q in [0,27], the answer is always exact
> -+  // because The line value128 firstproduct = full_multiplication(w,
> -+  // power_of_five_128[index]); gives the exact answer.
> -+  value128 firstproduct =
> -+      full_multiplication(w, powers::power_of_five_128[index]);
> -+  static_assert((bit_precision >= 0) && (bit_precision <= 64),
> -+                " precision should  be in (0,64]");
> -+  constexpr uint64_t precision_mask =
> -+      (bit_precision < 64) ? (uint64_t(0xFFFFFFFFFFFFFFFF) >>
> bit_precision)
> -+                           : uint64_t(0xFFFFFFFFFFFFFFFF);
> -+  if ((firstproduct.high & precision_mask) ==
> -+      precision_mask) { // could further guard with  (lower + w < lower)
> -+    // regarding the second product, we only need secondproduct.high,
> but our
> -+    // expectation is that the compiler will optimize this extra work
> away if
> -+    // needed.
> -+    value128 secondproduct =
> -+        full_multiplication(w, powers::power_of_five_128[index + 1]);
> -+    firstproduct.low += secondproduct.high;
> -+    if (secondproduct.high > firstproduct.low) {
> -+      firstproduct.high++;
> -+    }
> -+  }
> -+  return firstproduct;
> -+}
> -+
> -+namespace detail {
> -+/**
> -+ * For q in (0,350), we have that
> -+ *  f = (((152170 + 65536) * q ) >> 16);
> -+ * is equal to
> -+ *   floor(p) + q
> -+ * where
> -+ *   p = log(5**q)/log(2) = q * log(5)/log(2)
> -+ *
> -+ * For negative values of q in (-400,0), we have that
> -+ *  f = (((152170 + 65536) * q ) >> 16);
> -+ * is equal to
> -+ *   -ceil(p) + q
> -+ * where
> -+ *   p = log(5**-q)/log(2) = -q * log(5)/log(2)
> -+ */
> -+constexpr fastfloat_really_inline int32_t power(int32_t q) noexcept {
> -+  return (((152170 + 65536) * q) >> 16) + 63;
> -+}
> -+} // namespace detail
> -+
> -+// create an adjusted mantissa, biased by the invalid power2
> -+// for significant digits already multiplied by 10 ** q.
> -+template <typename binary>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 adjusted_mantissa
> -+compute_error_scaled(int64_t q, uint64_t w, int lz) noexcept {
> -+  int hilz = int(w >> 63) ^ 1;
> -+  adjusted_mantissa answer;
> -+  answer.mantissa = w << hilz;
> -+  int bias = binary::mantissa_explicit_bits() -
> binary::minimum_exponent();
> -+  answer.power2 = int32_t(detail::power(int32_t(q)) + bias - hilz - lz -
> 62 +
> -+                          invalid_am_bias);
> -+  return answer;
> -+}
> -+
> -+// w * 10 ** q, without rounding the representation up.
> -+// the power2 in the exponent will be adjusted by invalid_am_bias.
> -+template <typename binary>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+compute_error(int64_t q, uint64_t w) noexcept {
> -+  int lz = leading_zeroes(w);
> -+  w <<= lz;
> -+  value128 product =
> -+      compute_product_approximation<binary::mantissa_explicit_bits() +
> 3>(q, w);
> -+  return compute_error_scaled<binary>(q, product.high, lz);
> -+}
> -+
> -+// w * 10 ** q
> -+// The returned value should be a valid ieee64 number that simply need
> to be
> -+// packed. However, in some very rare cases, the computation will fail.
> In such
> -+// cases, we return an adjusted_mantissa with a negative power of 2: the
> caller
> -+// should recompute in such cases.
> -+template <typename binary>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+compute_float(int64_t q, uint64_t w) noexcept {
> -+  adjusted_mantissa answer;
> -+  if ((w == 0) || (q < binary::smallest_power_of_ten())) {
> -+    answer.power2 = 0;
> -+    answer.mantissa = 0;
> -+    // result should be zero
> -+    return answer;
> -+  }
> -+  if (q > binary::largest_power_of_ten()) {
> -+    // we want to get infinity:
> -+    answer.power2 = binary::infinite_power();
> -+    answer.mantissa = 0;
> -+    return answer;
> -+  }
> -+  // At this point in time q is in [powers::smallest_power_of_five,
> -+  // powers::largest_power_of_five].
> -+
> -+  // We want the most significant bit of i to be 1. Shift if needed.
> -+  int lz = leading_zeroes(w);
> -+  w <<= lz;
> -+
> -+  // The required precision is binary::mantissa_explicit_bits() + 3
> because
> -+  // 1. We need the implicit bit
> -+  // 2. We need an extra bit for rounding purposes
> -+  // 3. We might lose a bit due to the "upperbit" routine (result too
> small,
> -+  // requiring a shift)
> -+
> -+  value128 product =
> -+      compute_product_approximation<binary::mantissa_explicit_bits() +
> 3>(q, w);
> -+  // The computed 'product' is always sufficient.
> -+  // Mathematical proof:
> -+  // Noble Mushtak and Daniel Lemire, Fast Number Parsing Without
> Fallback (to
> -+  // appear) See script/mushtak_lemire.py
> -+
> -+  // The "compute_product_approximation" function can be slightly slower
> than a
> -+  // branchless approach: value128 product = compute_product(q, w); but
> in
> -+  // practice, we can win big with the compute_product_approximation if
> its
> -+  // additional branch is easily predicted. Which is best is data
> specific.
> -+  int upperbit = int(product.high >> 63);
> -+  int shift = upperbit + 64 - binary::mantissa_explicit_bits() - 3;
> -+
> -+  answer.mantissa = product.high >> shift;
> -+
> -+  answer.power2 = int32_t(detail::power(int32_t(q)) + upperbit - lz -
> -+                          binary::minimum_exponent());
> -+  if (answer.power2 <= 0) { // we have a subnormal?
> -+    // Here have that answer.power2 <= 0 so -answer.power2 >= 0
> -+    if (-answer.power2 + 1 >=
> -+        64) { // if we have more than 64 bits below the minimum
> exponent, you
> -+              // have a zero for sure.
> -+      answer.power2 = 0;
> -+      answer.mantissa = 0;
> -+      // result should be zero
> -+      return answer;
> -+    }
> -+    // next line is safe because -answer.power2 + 1 < 64
> -+    answer.mantissa >>= -answer.power2 + 1;
> -+    // Thankfully, we can't have both "round-to-even" and subnormals
> because
> -+    // "round-to-even" only occurs for powers close to 0.
> -+    answer.mantissa += (answer.mantissa & 1); // round up
> -+    answer.mantissa >>= 1;
> -+    // There is a weird scenario where we don't have a subnormal but
> just.
> -+    // Suppose we start with 2.2250738585072013e-308, we end up
> -+    // with 0x3fffffffffffff x 2^-1023-53 which is technically subnormal
> -+    // whereas 0x40000000000000 x 2^-1023-53  is normal. Now, we need to
> round
> -+    // up 0x3fffffffffffff x 2^-1023-53  and once we do, we are no longer
> -+    // subnormal, but we can only know this after rounding.
> -+    // So we only declare a subnormal if we are smaller than the
> threshold.
> -+    answer.power2 =
> -+        (answer.mantissa < (uint64_t(1) <<
> binary::mantissa_explicit_bits()))
> -+            ? 0
> -+            : 1;
> -+    return answer;
> -+  }
> -+
> -+  // usually, we round *up*, but if we fall right in between and and we
> have an
> -+  // even basis, we need to round down
> -+  // We are only concerned with the cases where 5**q fits in single
> 64-bit word.
> -+  if ((product.low <= 1) && (q >= binary::min_exponent_round_to_even())
> &&
> -+      (q <= binary::max_exponent_round_to_even()) &&
> -+      ((answer.mantissa & 3) == 1)) { // we may fall between two floats!
> -+    // To be in-between two floats we need that in doing
> -+    //   answer.mantissa = product.high >> (upperbit + 64 -
> -+    //   binary::mantissa_explicit_bits() - 3);
> -+    // ... we dropped out only zeroes. But if this happened, then we can
> go
> -+    // back!!!
> -+    if ((answer.mantissa << shift) == product.high) {
> -+      answer.mantissa &= ~uint64_t(1); // flip it so that we do not
> round up
> -+    }
> -+  }
> -+
> -+  answer.mantissa += (answer.mantissa & 1); // round up
> -+  answer.mantissa >>= 1;
> -+  if (answer.mantissa >= (uint64_t(2) <<
> binary::mantissa_explicit_bits())) {
> -+    answer.mantissa = (uint64_t(1) << binary::mantissa_explicit_bits());
> -+    answer.power2++; // undo previous addition
> -+  }
> -+
> -+  answer.mantissa &= ~(uint64_t(1) << binary::mantissa_explicit_bits());
> -+  if (answer.power2 >= binary::infinite_power()) { // infinity
> -+    answer.power2 = binary::infinite_power();
> -+    answer.mantissa = 0;
> -+  }
> -+  return answer;
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_BIGINT_H
> -+#define FASTFLOAT_BIGINT_H
> -+
> -+#include <algorithm>
> -+#include <cstdint>
> -+#include <climits>
> -+#include <cstring>
> -+
> -+
> -+namespace fast_float {
> -+
> -+// the limb width: we want efficient multiplication of double the bits in
> -+// limb, or for 64-bit limbs, at least 64-bit multiplication where we can
> -+// extract the high and low parts efficiently. this is every 64-bit
> -+// architecture except for sparc, which emulates 128-bit multiplication.
> -+// we might have platforms where `CHAR_BIT` is not 8, so let's avoid
> -+// doing `8 * sizeof(limb)`.
> -+#if defined(FASTFLOAT_64BIT) && !defined(__sparc)
> -+#define FASTFLOAT_64BIT_LIMB 1
> -+typedef uint64_t limb;
> -+constexpr size_t limb_bits = 64;
> -+#else
> -+#define FASTFLOAT_32BIT_LIMB
> -+typedef uint32_t limb;
> -+constexpr size_t limb_bits = 32;
> -+#endif
> -+
> -+typedef span<limb> limb_span;
> -+
> -+// number of bits in a bigint. this needs to be at least the number
> -+// of bits required to store the largest bigint, which is
> -+// `log2(10**(digits + max_exp))`, or `log2(10**(767 + 342))`, or
> -+// ~3600 bits, so we round to 4000.
> -+constexpr size_t bigint_bits = 4000;
> -+constexpr size_t bigint_limbs = bigint_bits / limb_bits;
> -+
> -+// vector-like type that is allocated on the stack. the entire
> -+// buffer is pre-allocated, and only the length changes.
> -+template <uint16_t size> struct stackvec {
> -+  limb data[size];
> -+  // we never need more than 150 limbs
> -+  uint16_t length{0};
> -+
> -+  stackvec() = default;
> -+  stackvec(const stackvec &) = delete;
> -+  stackvec &operator=(const stackvec &) = delete;
> -+  stackvec(stackvec &&) = delete;
> -+  stackvec &operator=(stackvec &&other) = delete;
> -+
> -+  // create stack vector from existing limb span.
> -+  FASTFLOAT_CONSTEXPR20 stackvec(limb_span s) {
> -+    FASTFLOAT_ASSERT(try_extend(s));
> -+  }
> -+
> -+  FASTFLOAT_CONSTEXPR14 limb &operator[](size_t index) noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    return data[index];
> -+  }
> -+  FASTFLOAT_CONSTEXPR14 const limb &operator[](size_t index) const
> noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    return data[index];
> -+  }
> -+  // index from the end of the container
> -+  FASTFLOAT_CONSTEXPR14 const limb &rindex(size_t index) const noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(index < length);
> -+    size_t rindex = length - index - 1;
> -+    return data[rindex];
> -+  }
> -+
> -+  // set the length, without bounds checking.
> -+  FASTFLOAT_CONSTEXPR14 void set_len(size_t len) noexcept {
> -+    length = uint16_t(len);
> -+  }
> -+  constexpr size_t len() const noexcept { return length; }
> -+  constexpr bool is_empty() const noexcept { return length == 0; }
> -+  constexpr size_t capacity() const noexcept { return size; }
> -+  // append item to vector, without bounds checking
> -+  FASTFLOAT_CONSTEXPR14 void push_unchecked(limb value) noexcept {
> -+    data[length] = value;
> -+    length++;
> -+  }
> -+  // append item to vector, returning if item was added
> -+  FASTFLOAT_CONSTEXPR14 bool try_push(limb value) noexcept {
> -+    if (len() < capacity()) {
> -+      push_unchecked(value);
> -+      return true;
> -+    } else {
> -+      return false;
> -+    }
> -+  }
> -+  // add items to the vector, from a span, without bounds checking
> -+  FASTFLOAT_CONSTEXPR20 void extend_unchecked(limb_span s) noexcept {
> -+    limb *ptr = data + length;
> -+    std::copy_n(s.ptr, s.len(), ptr);
> -+    set_len(len() + s.len());
> -+  }
> -+  // try to add items to the vector, returning if items were added
> -+  FASTFLOAT_CONSTEXPR20 bool try_extend(limb_span s) noexcept {
> -+    if (len() + s.len() <= capacity()) {
> -+      extend_unchecked(s);
> -+      return true;
> -+    } else {
> -+      return false;
> -+    }
> -+  }
> -+  // resize the vector, without bounds checking
> -+  // if the new size is longer than the vector, assign value to each
> -+  // appended item.
> -+  FASTFLOAT_CONSTEXPR20
> -+  void resize_unchecked(size_t new_len, limb value) noexcept {
> -+    if (new_len > len()) {
> -+      size_t count = new_len - len();
> -+      limb *first = data + len();
> -+      limb *last = first + count;
> -+      ::std::fill(first, last, value);
> -+      set_len(new_len);
> -+    } else {
> -+      set_len(new_len);
> -+    }
> -+  }
> -+  // try to resize the vector, returning if the vector was resized.
> -+  FASTFLOAT_CONSTEXPR20 bool try_resize(size_t new_len, limb value)
> noexcept {
> -+    if (new_len > capacity()) {
> -+      return false;
> -+    } else {
> -+      resize_unchecked(new_len, value);
> -+      return true;
> -+    }
> -+  }
> -+  // check if any limbs are non-zero after the given index.
> -+  // this needs to be done in reverse order, since the index
> -+  // is relative to the most significant limbs.
> -+  FASTFLOAT_CONSTEXPR14 bool nonzero(size_t index) const noexcept {
> -+    while (index < len()) {
> -+      if (rindex(index) != 0) {
> -+        return true;
> -+      }
> -+      index++;
> -+    }
> -+    return false;
> -+  }
> -+  // normalize the big integer, so most-significant zero limbs are
> removed.
> -+  FASTFLOAT_CONSTEXPR14 void normalize() noexcept {
> -+    while (len() > 0 && rindex(0) == 0) {
> -+      length--;
> -+    }
> -+  }
> -+};
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t
> -+empty_hi64(bool &truncated) noexcept {
> -+  truncated = false;
> -+  return 0;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint64_hi64(uint64_t r0, bool &truncated) noexcept {
> -+  truncated = false;
> -+  int shl = leading_zeroes(r0);
> -+  return r0 << shl;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint64_hi64(uint64_t r0, uint64_t r1, bool &truncated) noexcept {
> -+  int shl = leading_zeroes(r0);
> -+  if (shl == 0) {
> -+    truncated = r1 != 0;
> -+    return r0;
> -+  } else {
> -+    int shr = 64 - shl;
> -+    truncated = (r1 << shl) != 0;
> -+    return (r0 << shl) | (r1 >> shr);
> -+  }
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint32_hi64(uint32_t r0, bool &truncated) noexcept {
> -+  return uint64_hi64(r0, truncated);
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint32_hi64(uint32_t r0, uint32_t r1, bool &truncated) noexcept {
> -+  uint64_t x0 = r0;
> -+  uint64_t x1 = r1;
> -+  return uint64_hi64((x0 << 32) | x1, truncated);
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
> -+uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool &truncated)
> noexcept {
> -+  uint64_t x0 = r0;
> -+  uint64_t x1 = r1;
> -+  uint64_t x2 = r2;
> -+  return uint64_hi64(x0, (x1 << 32) | x2, truncated);
> -+}
> -+
> -+// add two small integers, checking for overflow.
> -+// we want an efficient operation. for msvc, where
> -+// we don't have built-in intrinsics, this is still
> -+// pretty fast.
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb
> -+scalar_add(limb x, limb y, bool &overflow) noexcept {
> -+  limb z;
> -+// gcc and clang
> -+#if defined(__has_builtin)
> -+#if __has_builtin(__builtin_add_overflow)
> -+  if (!cpp20_and_in_constexpr()) {
> -+    overflow = __builtin_add_overflow(x, y, &z);
> -+    return z;
> -+  }
> -+#endif
> -+#endif
> -+
> -+  // generic, this still optimizes correctly on MSVC.
> -+  z = x + y;
> -+  overflow = z < x;
> -+  return z;
> -+}
> -+
> -+// multiply two small integers, getting both the high and low bits.
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb
> -+scalar_mul(limb x, limb y, limb &carry) noexcept {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+#if defined(__SIZEOF_INT128__)
> -+  // GCC and clang both define it as an extension.
> -+  __uint128_t z = __uint128_t(x) * __uint128_t(y) + __uint128_t(carry);
> -+  carry = limb(z >> limb_bits);
> -+  return limb(z);
> -+#else
> -+  // fallback, no native 128-bit integer multiplication with carry.
> -+  // on msvc, this optimizes identically, somehow.
> -+  value128 z = full_multiplication(x, y);
> -+  bool overflow;
> -+  z.low = scalar_add(z.low, carry, overflow);
> -+  z.high += uint64_t(overflow); // cannot overflow
> -+  carry = z.high;
> -+  return z.low;
> -+#endif
> -+#else
> -+  uint64_t z = uint64_t(x) * uint64_t(y) + uint64_t(carry);
> -+  carry = limb(z >> limb_bits);
> -+  return limb(z);
> -+#endif
> -+}
> -+
> -+// add scalar value to bigint starting from offset.
> -+// used in grade school multiplication
> -+template <uint16_t size>
> -+inline FASTFLOAT_CONSTEXPR20 bool small_add_from(stackvec<size> &vec,
> limb y,
> -+                                                 size_t start) noexcept {
> -+  size_t index = start;
> -+  limb carry = y;
> -+  bool overflow;
> -+  while (carry != 0 && index < vec.len()) {
> -+    vec[index] = scalar_add(vec[index], carry, overflow);
> -+    carry = limb(overflow);
> -+    index += 1;
> -+  }
> -+  if (carry != 0) {
> -+    FASTFLOAT_TRY(vec.try_push(carry));
> -+  }
> -+  return true;
> -+}
> -+
> -+// add scalar value to bigint.
> -+template <uint16_t size>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+small_add(stackvec<size> &vec, limb y) noexcept {
> -+  return small_add_from(vec, y, 0);
> -+}
> -+
> -+// multiply bigint by scalar value.
> -+template <uint16_t size>
> -+inline FASTFLOAT_CONSTEXPR20 bool small_mul(stackvec<size> &vec,
> -+                                            limb y) noexcept {
> -+  limb carry = 0;
> -+  for (size_t index = 0; index < vec.len(); index++) {
> -+    vec[index] = scalar_mul(vec[index], y, carry);
> -+  }
> -+  if (carry != 0) {
> -+    FASTFLOAT_TRY(vec.try_push(carry));
> -+  }
> -+  return true;
> -+}
> -+
> -+// add bigint to bigint starting from index.
> -+// used in grade school multiplication
> -+template <uint16_t size>
> -+FASTFLOAT_CONSTEXPR20 bool large_add_from(stackvec<size> &x, limb_span y,
> -+                                          size_t start) noexcept {
> -+  // the effective x buffer is from `xstart..x.len()`, so exit early
> -+  // if we can't get that current range.
> -+  if (x.len() < start || y.len() > x.len() - start) {
> -+    FASTFLOAT_TRY(x.try_resize(y.len() + start, 0));
> -+  }
> -+
> -+  bool carry = false;
> -+  for (size_t index = 0; index < y.len(); index++) {
> -+    limb xi = x[index + start];
> -+    limb yi = y[index];
> -+    bool c1 = false;
> -+    bool c2 = false;
> -+    xi = scalar_add(xi, yi, c1);
> -+    if (carry) {
> -+      xi = scalar_add(xi, 1, c2);
> -+    }
> -+    x[index + start] = xi;
> -+    carry = c1 | c2;
> -+  }
> -+
> -+  // handle overflow
> -+  if (carry) {
> -+    FASTFLOAT_TRY(small_add_from(x, 1, y.len() + start));
> -+  }
> -+  return true;
> -+}
> -+
> -+// add bigint to bigint.
> -+template <uint16_t size>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+large_add_from(stackvec<size> &x, limb_span y) noexcept {
> -+  return large_add_from(x, y, 0);
> -+}
> -+
> -+// grade-school multiplication algorithm
> -+template <uint16_t size>
> -+FASTFLOAT_CONSTEXPR20 bool long_mul(stackvec<size> &x, limb_span y)
> noexcept {
> -+  limb_span xs = limb_span(x.data, x.len());
> -+  stackvec<size> z(xs);
> -+  limb_span zs = limb_span(z.data, z.len());
> -+
> -+  if (y.len() != 0) {
> -+    limb y0 = y[0];
> -+    FASTFLOAT_TRY(small_mul(x, y0));
> -+    for (size_t index = 1; index < y.len(); index++) {
> -+      limb yi = y[index];
> -+      stackvec<size> zi;
> -+      if (yi != 0) {
> -+        // re-use the same buffer throughout
> -+        zi.set_len(0);
> -+        FASTFLOAT_TRY(zi.try_extend(zs));
> -+        FASTFLOAT_TRY(small_mul(zi, yi));
> -+        limb_span zis = limb_span(zi.data, zi.len());
> -+        FASTFLOAT_TRY(large_add_from(x, zis, index));
> -+      }
> -+    }
> -+  }
> -+
> -+  x.normalize();
> -+  return true;
> -+}
> -+
> -+// grade-school multiplication algorithm
> -+template <uint16_t size>
> -+FASTFLOAT_CONSTEXPR20 bool large_mul(stackvec<size> &x, limb_span y)
> noexcept {
> -+  if (y.len() == 1) {
> -+    FASTFLOAT_TRY(small_mul(x, y[0]));
> -+  } else {
> -+    FASTFLOAT_TRY(long_mul(x, y));
> -+  }
> -+  return true;
> -+}
> -+
> -+template <typename = void> struct pow5_tables {
> -+  static constexpr uint32_t large_step = 135;
> -+  static constexpr uint64_t small_power_of_5[] = {
> -+      1UL,
> -+      5UL,
> -+      25UL,
> -+      125UL,
> -+      625UL,
> -+      3125UL,
> -+      15625UL,
> -+      78125UL,
> -+      390625UL,
> -+      1953125UL,
> -+      9765625UL,
> -+      48828125UL,
> -+      244140625UL,
> -+      1220703125UL,
> -+      6103515625UL,
> -+      30517578125UL,
> -+      152587890625UL,
> -+      762939453125UL,
> -+      3814697265625UL,
> -+      19073486328125UL,
> -+      95367431640625UL,
> -+      476837158203125UL,
> -+      2384185791015625UL,
> -+      11920928955078125UL,
> -+      59604644775390625UL,
> -+      298023223876953125UL,
> -+      1490116119384765625UL,
> -+      7450580596923828125UL,
> -+  };
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+  constexpr static limb large_power_of_5[] = {
> -+      1414648277510068013UL, 9180637584431281687UL,
> 4539964771860779200UL,
> -+      10482974169319127550UL, 198276706040285095UL};
> -+#else
> -+  constexpr static limb large_power_of_5[] = {
> -+      4279965485U, 329373468U,  4020270615U, 2137533757U, 4287402176U,
> -+      1057042919U, 1071430142U, 2440757623U, 381945767U,  46164893U};
> -+#endif
> -+};
> -+
> -+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
> -+
> -+template <typename T> constexpr uint32_t pow5_tables<T>::large_step;
> -+
> -+template <typename T> constexpr uint64_t
> pow5_tables<T>::small_power_of_5[];
> -+
> -+template <typename T> constexpr limb pow5_tables<T>::large_power_of_5[];
> -+
> -+#endif
> -+
> -+// big integer type. implements a small subset of big integer
> -+// arithmetic, using simple algorithms since asymptotically
> -+// faster algorithms are slower for a small number of limbs.
> -+// all operations assume the big-integer is normalized.
> -+struct bigint : pow5_tables<> {
> -+  // storage of the limbs, in little-endian order.
> -+  stackvec<bigint_limbs> vec;
> -+
> -+  FASTFLOAT_CONSTEXPR20 bigint() : vec() {}
> -+  bigint(const bigint &) = delete;
> -+  bigint &operator=(const bigint &) = delete;
> -+  bigint(bigint &&) = delete;
> -+  bigint &operator=(bigint &&other) = delete;
> -+
> -+  FASTFLOAT_CONSTEXPR20 bigint(uint64_t value) : vec() {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+    vec.push_unchecked(value);
> -+#else
> -+    vec.push_unchecked(uint32_t(value));
> -+    vec.push_unchecked(uint32_t(value >> 32));
> -+#endif
> -+    vec.normalize();
> -+  }
> -+
> -+  // get the high 64 bits from the vector, and if bits were truncated.
> -+  // this is to get the significant digits for the float.
> -+  FASTFLOAT_CONSTEXPR20 uint64_t hi64(bool &truncated) const noexcept {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+    if (vec.len() == 0) {
> -+      return empty_hi64(truncated);
> -+    } else if (vec.len() == 1) {
> -+      return uint64_hi64(vec.rindex(0), truncated);
> -+    } else {
> -+      uint64_t result = uint64_hi64(vec.rindex(0), vec.rindex(1),
> truncated);
> -+      truncated |= vec.nonzero(2);
> -+      return result;
> -+    }
> -+#else
> -+    if (vec.len() == 0) {
> -+      return empty_hi64(truncated);
> -+    } else if (vec.len() == 1) {
> -+      return uint32_hi64(vec.rindex(0), truncated);
> -+    } else if (vec.len() == 2) {
> -+      return uint32_hi64(vec.rindex(0), vec.rindex(1), truncated);
> -+    } else {
> -+      uint64_t result =
> -+          uint32_hi64(vec.rindex(0), vec.rindex(1), vec.rindex(2),
> truncated);
> -+      truncated |= vec.nonzero(3);
> -+      return result;
> -+    }
> -+#endif
> -+  }
> -+
> -+  // compare two big integers, returning the large value.
> -+  // assumes both are normalized. if the return value is
> -+  // negative, other is larger, if the return value is
> -+  // positive, this is larger, otherwise they are equal.
> -+  // the limbs are stored in little-endian order, so we
> -+  // must compare the limbs in ever order.
> -+  FASTFLOAT_CONSTEXPR20 int compare(const bigint &other) const noexcept {
> -+    if (vec.len() > other.vec.len()) {
> -+      return 1;
> -+    } else if (vec.len() < other.vec.len()) {
> -+      return -1;
> -+    } else {
> -+      for (size_t index = vec.len(); index > 0; index--) {
> -+        limb xi = vec[index - 1];
> -+        limb yi = other.vec[index - 1];
> -+        if (xi > yi) {
> -+          return 1;
> -+        } else if (xi < yi) {
> -+          return -1;
> -+        }
> -+      }
> -+      return 0;
> -+    }
> -+  }
> -+
> -+  // shift left each limb n bits, carrying over to the new limb
> -+  // returns true if we were able to shift all the digits.
> -+  FASTFLOAT_CONSTEXPR20 bool shl_bits(size_t n) noexcept {
> -+    // Internally, for each item, we shift left by n, and add the
> previous
> -+    // right shifted limb-bits.
> -+    // For example, we transform (for u8) shifted left 2, to:
> -+    //      b10100100 b01000010
> -+    //      b10 b10010001 b00001000
> -+    FASTFLOAT_DEBUG_ASSERT(n != 0);
> -+    FASTFLOAT_DEBUG_ASSERT(n < sizeof(limb) * 8);
> -+
> -+    size_t shl = n;
> -+    size_t shr = limb_bits - shl;
> -+    limb prev = 0;
> -+    for (size_t index = 0; index < vec.len(); index++) {
> -+      limb xi = vec[index];
> -+      vec[index] = (xi << shl) | (prev >> shr);
> -+      prev = xi;
> -+    }
> -+
> -+    limb carry = prev >> shr;
> -+    if (carry != 0) {
> -+      return vec.try_push(carry);
> -+    }
> -+    return true;
> -+  }
> -+
> -+  // move the limbs left by `n` limbs.
> -+  FASTFLOAT_CONSTEXPR20 bool shl_limbs(size_t n) noexcept {
> -+    FASTFLOAT_DEBUG_ASSERT(n != 0);
> -+    if (n + vec.len() > vec.capacity()) {
> -+      return false;
> -+    } else if (!vec.is_empty()) {
> -+      // move limbs
> -+      limb *dst = vec.data + n;
> -+      const limb *src = vec.data;
> -+      std::copy_backward(src, src + vec.len(), dst + vec.len());
> -+      // fill in empty limbs
> -+      limb *first = vec.data;
> -+      limb *last = first + n;
> -+      ::std::fill(first, last, 0);
> -+      vec.set_len(n + vec.len());
> -+      return true;
> -+    } else {
> -+      return true;
> -+    }
> -+  }
> -+
> -+  // move the limbs left by `n` bits.
> -+  FASTFLOAT_CONSTEXPR20 bool shl(size_t n) noexcept {
> -+    size_t rem = n % limb_bits;
> -+    size_t div = n / limb_bits;
> -+    if (rem != 0) {
> -+      FASTFLOAT_TRY(shl_bits(rem));
> -+    }
> -+    if (div != 0) {
> -+      FASTFLOAT_TRY(shl_limbs(div));
> -+    }
> -+    return true;
> -+  }
> -+
> -+  // get the number of leading zeros in the bigint.
> -+  FASTFLOAT_CONSTEXPR20 int ctlz() const noexcept {
> -+    if (vec.is_empty()) {
> -+      return 0;
> -+    } else {
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+      return leading_zeroes(vec.rindex(0));
> -+#else
> -+      // no use defining a specialized leading_zeroes for a 32-bit type.
> -+      uint64_t r0 = vec.rindex(0);
> -+      return leading_zeroes(r0 << 32);
> -+#endif
> -+    }
> -+  }
> -+
> -+  // get the number of bits in the bigint.
> -+  FASTFLOAT_CONSTEXPR20 int bit_length() const noexcept {
> -+    int lz = ctlz();
> -+    return int(limb_bits * vec.len()) - lz;
> -+  }
> -+
> -+  FASTFLOAT_CONSTEXPR20 bool mul(limb y) noexcept { return
> small_mul(vec, y); }
> -+
> -+  FASTFLOAT_CONSTEXPR20 bool add(limb y) noexcept { return
> small_add(vec, y); }
> -+
> -+  // multiply as if by 2 raised to a power.
> -+  FASTFLOAT_CONSTEXPR20 bool pow2(uint32_t exp) noexcept { return
> shl(exp); }
> -+
> -+  // multiply as if by 5 raised to a power.
> -+  FASTFLOAT_CONSTEXPR20 bool pow5(uint32_t exp) noexcept {
> -+    // multiply by a power of 5
> -+    size_t large_length = sizeof(large_power_of_5) / sizeof(limb);
> -+    limb_span large = limb_span(large_power_of_5, large_length);
> -+    while (exp >= large_step) {
> -+      FASTFLOAT_TRY(large_mul(vec, large));
> -+      exp -= large_step;
> -+    }
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+    uint32_t small_step = 27;
> -+    limb max_native = 7450580596923828125UL;
> -+#else
> -+    uint32_t small_step = 13;
> -+    limb max_native = 1220703125U;
> -+#endif
> -+    while (exp >= small_step) {
> -+      FASTFLOAT_TRY(small_mul(vec, max_native));
> -+      exp -= small_step;
> -+    }
> -+    if (exp != 0) {
> -+      // Work around clang bug https://godbolt.org/z/zedh7rrhc
> -+      // This is similar to
> https://github.com/llvm/llvm-project/issues/47746,
> -+      // except the workaround described there don't work here
> -+      FASTFLOAT_TRY(small_mul(
> -+          vec, limb(((void)small_power_of_5[0],
> small_power_of_5[exp]))));
> -+    }
> -+
> -+    return true;
> -+  }
> -+
> -+  // multiply as if by 10 raised to a power.
> -+  FASTFLOAT_CONSTEXPR20 bool pow10(uint32_t exp) noexcept {
> -+    FASTFLOAT_TRY(pow5(exp));
> -+    return pow2(exp);
> -+  }
> -+};
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_DIGIT_COMPARISON_H
> -+#define FASTFLOAT_DIGIT_COMPARISON_H
> -+
> -+#include <algorithm>
> -+#include <cstdint>
> -+#include <cstring>
> -+#include <iterator>
> -+
> -+
> -+namespace fast_float {
> -+
> -+// 1e0 to 1e19
> -+constexpr static uint64_t powers_of_ten_uint64[] = {1UL,
> -+                                                    10UL,
> -+                                                    100UL,
> -+                                                    1000UL,
> -+                                                    10000UL,
> -+                                                    100000UL,
> -+                                                    1000000UL,
> -+                                                    10000000UL,
> -+                                                    100000000UL,
> -+                                                    1000000000UL,
> -+                                                    10000000000UL,
> -+                                                    100000000000UL,
> -+                                                    1000000000000UL,
> -+                                                    10000000000000UL,
> -+                                                    100000000000000UL,
> -+                                                    1000000000000000UL,
> -+                                                    10000000000000000UL,
> -+                                                    100000000000000000UL,
> -+
> 1000000000000000000UL,
> -+
> 10000000000000000000UL};
> -+
> -+// calculate the exponent, in scientific notation, of the number.
> -+// this algorithm is not even close to optimized, but it has no practical
> -+// effect on performance: in order to have a faster algorithm, we'd need
> -+// to slow down performance for faster algorithms, and this is still
> fast.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int32_t
> -+scientific_exponent(parsed_number_string_t<UC> &num) noexcept {
> -+  uint64_t mantissa = num.mantissa;
> -+  int32_t exponent = int32_t(num.exponent);
> -+  while (mantissa >= 10000) {
> -+    mantissa /= 10000;
> -+    exponent += 4;
> -+  }
> -+  while (mantissa >= 100) {
> -+    mantissa /= 100;
> -+    exponent += 2;
> -+  }
> -+  while (mantissa >= 10) {
> -+    mantissa /= 10;
> -+    exponent += 1;
> -+  }
> -+  return exponent;
> -+}
> -+
> -+// this converts a native floating-point number to an extended-precision
> float.
> -+template <typename T>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+to_extended(T value) noexcept {
> -+  using equiv_uint = typename binary_format<T>::equiv_uint;
> -+  constexpr equiv_uint exponent_mask = binary_format<T>::exponent_mask();
> -+  constexpr equiv_uint mantissa_mask = binary_format<T>::mantissa_mask();
> -+  constexpr equiv_uint hidden_bit_mask =
> binary_format<T>::hidden_bit_mask();
> -+
> -+  adjusted_mantissa am;
> -+  int32_t bias = binary_format<T>::mantissa_explicit_bits() -
> -+                 binary_format<T>::minimum_exponent();
> -+  equiv_uint bits;
> -+#if FASTFLOAT_HAS_BIT_CAST
> -+  bits = std::bit_cast<equiv_uint>(value);
> -+#else
> -+  ::memcpy(&bits, &value, sizeof(T));
> -+#endif
> -+  if ((bits & exponent_mask) == 0) {
> -+    // denormal
> -+    am.power2 = 1 - bias;
> -+    am.mantissa = bits & mantissa_mask;
> -+  } else {
> -+    // normal
> -+    am.power2 = int32_t((bits & exponent_mask) >>
> -+                        binary_format<T>::mantissa_explicit_bits());
> -+    am.power2 -= bias;
> -+    am.mantissa = (bits & mantissa_mask) | hidden_bit_mask;
> -+  }
> -+
> -+  return am;
> -+}
> -+
> -+// get the extended precision value of the halfway point between b and
> b+u.
> -+// we are given a native float that represents b, so we need to adjust it
> -+// halfway between b and b+u.
> -+template <typename T>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+to_extended_halfway(T value) noexcept {
> -+  adjusted_mantissa am = to_extended(value);
> -+  am.mantissa <<= 1;
> -+  am.mantissa += 1;
> -+  am.power2 -= 1;
> -+  return am;
> -+}
> -+
> -+// round an extended-precision float to the nearest machine float.
> -+template <typename T, typename callback>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
> round(adjusted_mantissa &am,
> -+                                                         callback cb)
> noexcept {
> -+  int32_t mantissa_shift = 64 -
> binary_format<T>::mantissa_explicit_bits() - 1;
> -+  if (-am.power2 >= mantissa_shift) {
> -+    // have a denormal float
> -+    int32_t shift = -am.power2 + 1;
> -+    cb(am, std::min<int32_t>(shift, 64));
> -+    // check for round-up: if rounding-nearest carried us to the hidden
> bit.
> -+    am.power2 = (am.mantissa <
> -+                 (uint64_t(1) <<
> binary_format<T>::mantissa_explicit_bits()))
> -+                    ? 0
> -+                    : 1;
> -+    return;
> -+  }
> -+
> -+  // have a normal float, use the default shift.
> -+  cb(am, mantissa_shift);
> -+
> -+  // check for carry
> -+  if (am.mantissa >=
> -+      (uint64_t(2) << binary_format<T>::mantissa_explicit_bits())) {
> -+    am.mantissa = (uint64_t(1) <<
> binary_format<T>::mantissa_explicit_bits());
> -+    am.power2++;
> -+  }
> -+
> -+  // check for infinite: we could have carried to an infinite power
> -+  am.mantissa &= ~(uint64_t(1) <<
> binary_format<T>::mantissa_explicit_bits());
> -+  if (am.power2 >= binary_format<T>::infinite_power()) {
> -+    am.power2 = binary_format<T>::infinite_power();
> -+    am.mantissa = 0;
> -+  }
> -+}
> -+
> -+template <typename callback>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
> -+round_nearest_tie_even(adjusted_mantissa &am, int32_t shift,
> -+                       callback cb) noexcept {
> -+  const uint64_t mask = (shift == 64) ? UINT64_MAX : (uint64_t(1) <<
> shift) - 1;
> -+  const uint64_t halfway = (shift == 0) ? 0 : uint64_t(1) << (shift - 1);
> -+  uint64_t truncated_bits = am.mantissa & mask;
> -+  bool is_above = truncated_bits > halfway;
> -+  bool is_halfway = truncated_bits == halfway;
> -+
> -+  // shift digits into position
> -+  if (shift == 64) {
> -+    am.mantissa = 0;
> -+  } else {
> -+    am.mantissa >>= shift;
> -+  }
> -+  am.power2 += shift;
> -+
> -+  bool is_odd = (am.mantissa & 1) == 1;
> -+  am.mantissa += uint64_t(cb(is_odd, is_halfway, is_above));
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
> -+round_down(adjusted_mantissa &am, int32_t shift) noexcept {
> -+  if (shift == 64) {
> -+    am.mantissa = 0;
> -+  } else {
> -+    am.mantissa >>= shift;
> -+  }
> -+  am.power2 += shift;
> -+}
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+skip_zeros(UC const *&first, UC const *last) noexcept {
> -+  uint64_t val;
> -+  while (!cpp20_and_in_constexpr() &&
> -+         std::distance(first, last) >= int_cmp_len<UC>()) {
> -+    ::memcpy(&val, first, sizeof(uint64_t));
> -+    if (val != int_cmp_zeros<UC>()) {
> -+      break;
> -+    }
> -+    first += int_cmp_len<UC>();
> -+  }
> -+  while (first != last) {
> -+    if (*first != UC('0')) {
> -+      break;
> -+    }
> -+    first++;
> -+  }
> -+}
> -+
> -+// determine if any non-zero digits were truncated.
> -+// all characters must be valid digits.
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+is_truncated(UC const *first, UC const *last) noexcept {
> -+  // do 8-bit optimizations, can just compare to 8 literal 0s.
> -+  uint64_t val;
> -+  while (!cpp20_and_in_constexpr() &&
> -+         std::distance(first, last) >= int_cmp_len<UC>()) {
> -+    ::memcpy(&val, first, sizeof(uint64_t));
> -+    if (val != int_cmp_zeros<UC>()) {
> -+      return true;
> -+    }
> -+    first += int_cmp_len<UC>();
> -+  }
> -+  while (first != last) {
> -+    if (*first != UC('0')) {
> -+      return true;
> -+    }
> -+    ++first;
> -+  }
> -+  return false;
> -+}
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
> -+is_truncated(span<const UC> s) noexcept {
> -+  return is_truncated(s.ptr, s.ptr + s.len());
> -+}
> -+
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+parse_eight_digits(const UC *&p, limb &value, size_t &counter,
> -+                   size_t &count) noexcept {
> -+  value = value * 100000000 + parse_eight_digits_unrolled(p);
> -+  p += 8;
> -+  counter += 8;
> -+  count += 8;
> -+}
> -+
> -+template <typename UC>
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
> -+parse_one_digit(UC const *&p, limb &value, size_t &counter,
> -+                size_t &count) noexcept {
> -+  value = value * 10 + limb(*p - UC('0'));
> -+  p++;
> -+  counter++;
> -+  count++;
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+add_native(bigint &big, limb power, limb value) noexcept {
> -+  big.mul(power);
> -+  big.add(value);
> -+}
> -+
> -+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
> -+round_up_bigint(bigint &big, size_t &count) noexcept {
> -+  // need to round-up the digits, but need to avoid rounding
> -+  // ....9999 to ...10000, which could cause a false halfway point.
> -+  add_native(big, 10, 1);
> -+  count++;
> -+}
> -+
> -+// parse the significant digits into a big integer
> -+template <typename UC>
> -+inline FASTFLOAT_CONSTEXPR20 void
> -+parse_mantissa(bigint &result, parsed_number_string_t<UC> &num,
> -+               size_t max_digits, size_t &digits) noexcept {
> -+  // try to minimize the number of big integer and scalar multiplication.
> -+  // therefore, try to parse 8 digits at a time, and multiply by the
> largest
> -+  // scalar value (9 or 19 digits) for each step.
> -+  size_t counter = 0;
> -+  digits = 0;
> -+  limb value = 0;
> -+#ifdef FASTFLOAT_64BIT_LIMB
> -+  size_t step = 19;
> -+#else
> -+  size_t step = 9;
> -+#endif
> -+
> -+  // process all integer digits.
> -+  UC const *p = num.integer.ptr;
> -+  UC const *pend = p + num.integer.len();
> -+  skip_zeros(p, pend);
> -+  // process all digits, in increments of step per loop
> -+  while (p != pend) {
> -+    while ((std::distance(p, pend) >= 8) && (step - counter >= 8) &&
> -+           (max_digits - digits >= 8)) {
> -+      parse_eight_digits(p, value, counter, digits);
> -+    }
> -+    while (counter < step && p != pend && digits < max_digits) {
> -+      parse_one_digit(p, value, counter, digits);
> -+    }
> -+    if (digits == max_digits) {
> -+      // add the temporary value, then check if we've truncated any
> digits
> -+      add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+      bool truncated = is_truncated(p, pend);
> -+      if (num.fraction.ptr != nullptr) {
> -+        truncated |= is_truncated(num.fraction);
> -+      }
> -+      if (truncated) {
> -+        round_up_bigint(result, digits);
> -+      }
> -+      return;
> -+    } else {
> -+      add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+      counter = 0;
> -+      value = 0;
> -+    }
> -+  }
> -+
> -+  // add our fraction digits, if they're available.
> -+  if (num.fraction.ptr != nullptr) {
> -+    p = num.fraction.ptr;
> -+    pend = p + num.fraction.len();
> -+    if (digits == 0) {
> -+      skip_zeros(p, pend);
> -+    }
> -+    // process all digits, in increments of step per loop
> -+    while (p != pend) {
> -+      while ((std::distance(p, pend) >= 8) && (step - counter >= 8) &&
> -+             (max_digits - digits >= 8)) {
> -+        parse_eight_digits(p, value, counter, digits);
> -+      }
> -+      while (counter < step && p != pend && digits < max_digits) {
> -+        parse_one_digit(p, value, counter, digits);
> -+      }
> -+      if (digits == max_digits) {
> -+        // add the temporary value, then check if we've truncated any
> digits
> -+        add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+        bool truncated = is_truncated(p, pend);
> -+        if (truncated) {
> -+          round_up_bigint(result, digits);
> -+        }
> -+        return;
> -+      } else {
> -+        add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+        counter = 0;
> -+        value = 0;
> -+      }
> -+    }
> -+  }
> -+
> -+  if (counter != 0) {
> -+    add_native(result, limb(powers_of_ten_uint64[counter]), value);
> -+  }
> -+}
> -+
> -+template <typename T>
> -+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+positive_digit_comp(bigint &bigmant, int32_t exponent) noexcept {
> -+  FASTFLOAT_ASSERT(bigmant.pow10(uint32_t(exponent)));
> -+  adjusted_mantissa answer;
> -+  bool truncated;
> -+  answer.mantissa = bigmant.hi64(truncated);
> -+  int bias = binary_format<T>::mantissa_explicit_bits() -
> -+             binary_format<T>::minimum_exponent();
> -+  answer.power2 = bigmant.bit_length() - 64 + bias;
> -+
> -+  round<T>(answer, [truncated](adjusted_mantissa &a, int32_t shift) {
> -+    round_nearest_tie_even(
> -+        a, shift,
> -+        [truncated](bool is_odd, bool is_halfway, bool is_above) -> bool
> {
> -+          return is_above || (is_halfway && truncated) ||
> -+                 (is_odd && is_halfway);
> -+        });
> -+  });
> -+
> -+  return answer;
> -+}
> -+
> -+// the scaling here is quite simple: we have, for the real digits `m *
> 10^e`,
> -+// and for the theoretical digits `n * 2^f`. Since `e` is always
> negative,
> -+// to scale them identically, we do `n * 2^f * 5^-f`, so we now have `m
> * 2^e`.
> -+// we then need to scale by `2^(f- e)`, and then the two significant
> digits
> -+// are of the same magnitude.
> -+template <typename T>
> -+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa negative_digit_comp(
> -+    bigint &bigmant, adjusted_mantissa am, int32_t exponent) noexcept {
> -+  bigint &real_digits = bigmant;
> -+  int32_t real_exp = exponent;
> -+
> -+  // get the value of `b`, rounded down, and get a bigint representation
> of b+h
> -+  adjusted_mantissa am_b = am;
> -+  // gcc7 buf: use a lambda to remove the noexcept qualifier bug with
> -+  // -Wnoexcept-type.
> -+  round<T>(am_b,
> -+           [](adjusted_mantissa &a, int32_t shift) { round_down(a,
> shift); });
> -+  T b;
> -+  to_float(false, am_b, b);
> -+  adjusted_mantissa theor = to_extended_halfway(b);
> -+  bigint theor_digits(theor.mantissa);
> -+  int32_t theor_exp = theor.power2;
> -+
> -+  // scale real digits and theor digits to be same power.
> -+  int32_t pow2_exp = theor_exp - real_exp;
> -+  uint32_t pow5_exp = uint32_t(-real_exp);
> -+  if (pow5_exp != 0) {
> -+    FASTFLOAT_ASSERT(theor_digits.pow5(pow5_exp));
> -+  }
> -+  if (pow2_exp > 0) {
> -+    FASTFLOAT_ASSERT(theor_digits.pow2(uint32_t(pow2_exp)));
> -+  } else if (pow2_exp < 0) {
> -+    FASTFLOAT_ASSERT(real_digits.pow2(uint32_t(-pow2_exp)));
> -+  }
> -+
> -+  // compare digits, and use it to director rounding
> -+  int ord = real_digits.compare(theor_digits);
> -+  adjusted_mantissa answer = am;
> -+  round<T>(answer, [ord](adjusted_mantissa &a, int32_t shift) {
> -+    round_nearest_tie_even(
> -+        a, shift, [ord](bool is_odd, bool _, bool __) -> bool {
> -+          (void)_;  // not needed, since we've done our comparison
> -+          (void)__; // not needed, since we've done our comparison
> -+          if (ord > 0) {
> -+            return true;
> -+          } else if (ord < 0) {
> -+            return false;
> -+          } else {
> -+            return is_odd;
> -+          }
> -+        });
> -+  });
> -+
> -+  return answer;
> -+}
> -+
> -+// parse the significant digits as a big integer to unambiguously round
> the
> -+// the significant digits. here, we are trying to determine how to round
> -+// an extended float representation close to `b+h`, halfway between `b`
> -+// (the float rounded-down) and `b+u`, the next positive float. this
> -+// algorithm is always correct, and uses one of two approaches. when
> -+// the exponent is positive relative to the significant digits (such as
> -+// 1234), we create a big-integer representation, get the high 64-bits,
> -+// determine if any lower bits are truncated, and use that to direct
> -+// rounding. in case of a negative exponent relative to the significant
> -+// digits (such as 1.2345), we create a theoretical representation of
> -+// `b` as a big-integer type, scaled to the same binary exponent as
> -+// the actual digits. we then compare the big integer representations
> -+// of both, and use that to direct rounding.
> -+template <typename T, typename UC>
> -+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
> -+digit_comp(parsed_number_string_t<UC> &num, adjusted_mantissa am)
> noexcept {
> -+  // remove the invalid exponent bias
> -+  am.power2 -= invalid_am_bias;
> -+
> -+  int32_t sci_exp = scientific_exponent(num);
> -+  size_t max_digits = binary_format<T>::max_digits();
> -+  size_t digits = 0;
> -+  bigint bigmant;
> -+  parse_mantissa(bigmant, num, max_digits, digits);
> -+  // can't underflow, since digits is at most max_digits.
> -+  int32_t exponent = sci_exp + 1 - int32_t(digits);
> -+  if (exponent >= 0) {
> -+    return positive_digit_comp<T>(bigmant, exponent);
> -+  } else {
> -+    return negative_digit_comp<T>(bigmant, am, exponent);
> -+  }
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> -+#ifndef FASTFLOAT_PARSE_NUMBER_H
> -+#define FASTFLOAT_PARSE_NUMBER_H
> -+
> -+
> -+#include <cmath>
> -+#include <cstring>
> -+#include <limits>
> -+#include <system_error>
> -+namespace fast_float {
> -+
> -+namespace detail {
> -+/**
> -+ * Special case +inf, -inf, nan, infinity, -infinity.
> -+ * The case comparisons could be made much faster given that we know
> that the
> -+ * strings a null-free and fixed.
> -+ **/
> -+template <typename T, typename UC>
> -+from_chars_result_t<UC> FASTFLOAT_CONSTEXPR14 parse_infnan(UC const
> *first,
> -+                                                           UC const
> *last,
> -+                                                           T &value)
> noexcept {
> -+  from_chars_result_t<UC> answer{};
> -+  answer.ptr = first;
> -+  answer.ec = std::errc(); // be optimistic
> -+  bool minusSign = false;
> -+  if (*first ==
> -+      UC('-')) { // assume first < last, so dereference without checks;
> -+                 // C++17 20.19.3.(7.1) explicitly forbids '+' here
> -+    minusSign = true;
> -+    ++first;
> -+  }
> -+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
> -+  if (*first == UC('+')) {
> -+    ++first;
> -+  }
> -+#endif
> -+  if (last - first >= 3) {
> -+    if (fastfloat_strncasecmp(first, str_const_nan<UC>(), 3)) {
> -+      answer.ptr = (first += 3);
> -+      value = minusSign ? -std::numeric_limits<T>::quiet_NaN()
> -+                        : std::numeric_limits<T>::quiet_NaN();
> -+      // Check for possible nan(n-char-seq-opt), C++17 20.19.3.7,
> -+      // C11 7.20.1.3.3. At least MSVC produces nan(ind) and nan(snan).
> -+      if (first != last && *first == UC('(')) {
> -+        for (UC const *ptr = first + 1; ptr != last; ++ptr) {
> -+          if (*ptr == UC(')')) {
> -+            answer.ptr = ptr + 1; // valid nan(n-char-seq-opt)
> -+            break;
> -+          } else if (!((UC('a') <= *ptr && *ptr <= UC('z')) ||
> -+                       (UC('A') <= *ptr && *ptr <= UC('Z')) ||
> -+                       (UC('0') <= *ptr && *ptr <= UC('9')) || *ptr ==
> UC('_')))
> -+            break; // forbidden char, not nan(n-char-seq-opt)
> -+        }
> -+      }
> -+      return answer;
> -+    }
> -+    if (fastfloat_strncasecmp(first, str_const_inf<UC>(), 3)) {
> -+      if ((last - first >= 8) &&
> -+          fastfloat_strncasecmp(first + 3, str_const_inf<UC>() + 3, 5)) {
> -+        answer.ptr = first + 8;
> -+      } else {
> -+        answer.ptr = first + 3;
> -+      }
> -+      value = minusSign ? -std::numeric_limits<T>::infinity()
> -+                        : std::numeric_limits<T>::infinity();
> -+      return answer;
> -+    }
> -+  }
> -+  answer.ec = std::errc::invalid_argument;
> -+  return answer;
> -+}
> -+
> -+/**
> -+ * Returns true if the floating-pointing rounding mode is to 'nearest'.
> -+ * It is the default on most system. This function is meant to be
> inexpensive.
> -+ * Credit : @mwalcott3
> -+ */
> -+fastfloat_really_inline bool rounds_to_nearest() noexcept {
> -+  // https://lemire.me/blog/2020/06/26/gcc-not-nearest/
> -+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
> -+  return false;
> -+#endif
> -+  // See
> -+  // A fast function to check your floating-point rounding mode
> -+  //
> https://lemire.me/blog/2022/11/16/a-fast-function-to-check-your-floating-point-rounding-mode/
> -+  //
> -+  // This function is meant to be equivalent to :
> -+  // prior: #include <cfenv>
> -+  //  return fegetround() == FE_TONEAREST;
> -+  // However, it is expected to be much faster than the fegetround()
> -+  // function call.
> -+  //
> -+  // The volatile keywoard prevents the compiler from computing the
> function
> -+  // at compile-time.
> -+  // There might be other ways to prevent compile-time optimizations
> (e.g.,
> -+  // asm). The value does not need to be
> std::numeric_limits<float>::min(), any
> -+  // small value so that 1 + x should round to 1 would do (after
> accounting for
> -+  // excess precision, as in 387 instructions).
> -+  static volatile float fmin = std::numeric_limits<float>::min();
> -+  float fmini = fmin; // we copy it so that it gets loaded at most once.
> -+//
> -+// Explanation:
> -+// Only when fegetround() == FE_TONEAREST do we have that
> -+// fmin + 1.0f == 1.0f - fmin.
> -+//
> -+// FE_UPWARD:
> -+//  fmin + 1.0f > 1
> -+//  1.0f - fmin == 1
> -+//
> -+// FE_DOWNWARD or  FE_TOWARDZERO:
> -+//  fmin + 1.0f == 1
> -+//  1.0f - fmin < 1
> -+//
> -+// Note: This may fail to be accurate if fast-math has been
> -+// enabled, as rounding conventions may not apply.
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(push)
> -+//  todo: is there a VS warning?
> -+//  see
> -+//
> https://stackoverflow.com/questions/46079446/is-there-a-warning-for-floating-point-equality-checking-in-visual-studio-2013
> -+#elif defined(__clang__)
> -+#pragma clang diagnostic push
> -+#pragma clang diagnostic ignored "-Wfloat-equal"
> -+#elif defined(__GNUC__)
> -+#pragma GCC diagnostic push
> -+#pragma GCC diagnostic ignored "-Wfloat-equal"
> -+#endif
> -+  return (fmini + 1.0f == 1.0f - fmini);
> -+#ifdef FASTFLOAT_VISUAL_STUDIO
> -+#pragma warning(pop)
> -+#elif defined(__clang__)
> -+#pragma clang diagnostic pop
> -+#elif defined(__GNUC__)
> -+#pragma GCC diagnostic pop
> -+#endif
> -+}
> -+
> -+} // namespace detail
> -+
> -+template <typename T> struct from_chars_caller {
> -+  template <typename UC>
> -+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
> -+  call(UC const *first, UC const *last, T &value,
> -+       parse_options_t<UC> options) noexcept {
> -+    return from_chars_advanced(first, last, value, options);
> -+  }
> -+};
> -+
> -+#if __STDCPP_FLOAT32_T__ == 1
> -+template <> struct from_chars_caller<std::float32_t> {
> -+  template <typename UC>
> -+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
> -+  call(UC const *first, UC const *last, std::float32_t &value,
> -+       parse_options_t<UC> options) noexcept {
> -+    // if std::float32_t is defined, and we are in C++23 mode; macro set
> for
> -+    // float32; set value to float due to equivalence between float and
> -+    // float32_t
> -+    float val;
> -+    auto ret = from_chars_advanced(first, last, val, options);
> -+    value = val;
> -+    return ret;
> -+  }
> -+};
> -+#endif
> -+
> -+#if __STDCPP_FLOAT64_T__ == 1
> -+template <> struct from_chars_caller<std::float64_t> {
> -+  template <typename UC>
> -+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
> -+  call(UC const *first, UC const *last, std::float64_t &value,
> -+       parse_options_t<UC> options) noexcept {
> -+    // if std::float64_t is defined, and we are in C++23 mode; macro set
> for
> -+    // float64; set value as double due to equivalence between double and
> -+    // float64_t
> -+    double val;
> -+    auto ret = from_chars_advanced(first, last, val, options);
> -+    value = val;
> -+    return ret;
> -+  }
> -+};
> -+#endif
> -+
> -+template <typename T, typename UC, typename>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value,
> -+           chars_format fmt /*= chars_format::general*/) noexcept {
> -+  return from_chars_caller<T>::call(first, last, value,
> -+                                    parse_options_t<UC>(fmt));
> -+}
> -+
> -+/**
> -+ * This function overload takes parsed_number_string_t structure that is
> created
> -+ * and populated either by from_chars_advanced function taking chars
> range and
> -+ * parsing options or other parsing custom function implemented by user.
> -+ */
> -+template <typename T, typename UC>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars_advanced(parsed_number_string_t<UC> &pns, T &value) noexcept {
> -+
> -+  static_assert(is_supported_float_type<T>(),
> -+                "only some floating-point types are supported");
> -+  static_assert(is_supported_char_type<UC>(),
> -+                "only char, wchar_t, char16_t and char32_t are
> supported");
> -+
> -+  from_chars_result_t<UC> answer;
> -+
> -+  answer.ec = std::errc(); // be optimistic
> -+  answer.ptr = pns.lastmatch;
> -+  // The implementation of the Clinger's fast path is convoluted because
> -+  // we want round-to-nearest in all cases, irrespective of the rounding
> mode
> -+  // selected on the thread.
> -+  // We proceed optimistically, assuming that detail::rounds_to_nearest()
> -+  // returns true.
> -+  if (binary_format<T>::min_exponent_fast_path() <= pns.exponent &&
> -+      pns.exponent <= binary_format<T>::max_exponent_fast_path() &&
> -+      !pns.too_many_digits) {
> -+    // Unfortunately, the conventional Clinger's fast path is only
> possible
> -+    // when the system rounds to the nearest float.
> -+    //
> -+    // We expect the next branch to almost always be selected.
> -+    // We could check it first (before the previous branch), but
> -+    // there might be performance advantages at having the check
> -+    // be last.
> -+    if (!cpp20_and_in_constexpr() && detail::rounds_to_nearest()) {
> -+      // We have that fegetround() == FE_TONEAREST.
> -+      // Next is Clinger's fast path.
> -+      if (pns.mantissa <= binary_format<T>::max_mantissa_fast_path()) {
> -+        value = T(pns.mantissa);
> -+        if (pns.exponent < 0) {
> -+          value = value /
> binary_format<T>::exact_power_of_ten(-pns.exponent);
> -+        } else {
> -+          value = value *
> binary_format<T>::exact_power_of_ten(pns.exponent);
> -+        }
> -+        if (pns.negative) {
> -+          value = -value;
> -+        }
> -+        return answer;
> -+      }
> -+    } else {
> -+      // We do not have that fegetround() == FE_TONEAREST.
> -+      // Next is a modified Clinger's fast path, inspired by Jakub
> Jelínek's
> -+      // proposal
> -+      if (pns.exponent >= 0 &&
> -+          pns.mantissa <=
> -+              binary_format<T>::max_mantissa_fast_path(pns.exponent)) {
> -+#if defined(__clang__) || defined(FASTFLOAT_32BIT)
> -+        // Clang may map 0 to -0.0 when fegetround() == FE_DOWNWARD
> -+        if (pns.mantissa == 0) {
> -+          value = pns.negative ? T(-0.) : T(0.);
> -+          return answer;
> -+        }
> -+#endif
> -+        value = T(pns.mantissa) *
> -+                binary_format<T>::exact_power_of_ten(pns.exponent);
> -+        if (pns.negative) {
> -+          value = -value;
> -+        }
> -+        return answer;
> -+      }
> -+    }
> -+  }
> -+  adjusted_mantissa am =
> -+      compute_float<binary_format<T>>(pns.exponent, pns.mantissa);
> -+  if (pns.too_many_digits && am.power2 >= 0) {
> -+    if (am != compute_float<binary_format<T>>(pns.exponent, pns.mantissa
> + 1)) {
> -+      am = compute_error<binary_format<T>>(pns.exponent, pns.mantissa);
> -+    }
> -+  }
> -+  // If we called compute_float<binary_format<T>>(pns.exponent,
> pns.mantissa)
> -+  // and we have an invalid power (am.power2 < 0), then we need to go
> the long
> -+  // way around again. This is very uncommon.
> -+  if (am.power2 < 0) {
> -+    am = digit_comp<T>(pns, am);
> -+  }
> -+  to_float(pns.negative, am, value);
> -+  // Test for over/underflow.
> -+  if ((pns.mantissa != 0 && am.mantissa == 0 && am.power2 == 0) ||
> -+      am.power2 == binary_format<T>::infinite_power()) {
> -+    answer.ec = std::errc::result_out_of_range;
> -+  }
> -+  return answer;
> -+}
> -+
> -+template <typename T, typename UC>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars_advanced(UC const *first, UC const *last, T &value,
> -+                    parse_options_t<UC> options) noexcept {
> -+
> -+  static_assert(is_supported_float_type<T>(),
> -+                "only some floating-point types are supported");
> -+  static_assert(is_supported_char_type<UC>(),
> -+                "only char, wchar_t, char16_t and char32_t are
> supported");
> -+
> -+  from_chars_result_t<UC> answer;
> -+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
> -+  while ((first != last) && fast_float::is_space(uint8_t(*first))) {
> -+    first++;
> -+  }
> -+#endif
> -+  if (first == last) {
> -+    answer.ec = std::errc::invalid_argument;
> -+    answer.ptr = first;
> -+    return answer;
> -+  }
> -+  parsed_number_string_t<UC> pns =
> -+      parse_number_string<UC>(first, last, options);
> -+  if (!pns.valid) {
> -+    if (options.format & chars_format::no_infnan) {
> -+      answer.ec = std::errc::invalid_argument;
> -+      answer.ptr = first;
> -+      return answer;
> -+    } else {
> -+      return detail::parse_infnan(first, last, value);
> -+    }
> -+  }
> -+
> -+  // call overload that takes parsed_number_string_t directly.
> -+  return from_chars_advanced(pns, value);
> -+}
> -+
> -+template <typename T, typename UC, typename>
> -+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
> -+from_chars(UC const *first, UC const *last, T &value, int base) noexcept
> {
> -+  static_assert(is_supported_char_type<UC>(),
> -+                "only char, wchar_t, char16_t and char32_t are
> supported");
> -+
> -+  from_chars_result_t<UC> answer;
> -+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
> -+  while ((first != last) && fast_float::is_space(uint8_t(*first))) {
> -+    first++;
> -+  }
> -+#endif
> -+  if (first == last || base < 2 || base > 36) {
> -+    answer.ec = std::errc::invalid_argument;
> -+    answer.ptr = first;
> -+    return answer;
> -+  }
> -+  return parse_int_string(first, last, value, base);
> -+}
> -+
> -+} // namespace fast_float
> -+
> -+#endif
> -+
> diff --git
> a/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
> b/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
> deleted file mode 100644
> index b951bbac18..0000000000
> ---
> a/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
> +++ /dev/null
> @@ -1,102 +0,0 @@
> -From 08b90d0a5bf8ceb68dd1b4e9ded0f8a2b5287a6e Mon Sep 17 00:00:00 2001
> -From: Khem Raj <raj.khem@gmail.com>
> -Date: Fri, 4 Oct 2024 21:22:52 -0700
> -Subject: [PATCH 5/5] color-parser: Use fast_float implementation for
> - from_chars
> -
> -Removed dependency on c++ runtime to provide it.
> -
> -Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2823
> -
> -Upstream-Status: Submitted [
> https://gitlab.gnome.org/GNOME/vte/-/issues/2823#note_2239888]
> -Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ----
> - src/color-parser.cc | 12 ++++++------
> - src/termprops.hh    | 12 ++++++------
> - 2 files changed, 12 insertions(+), 12 deletions(-)
> -
> -diff --git a/src/color-parser.cc b/src/color-parser.cc
> -index 02ec5d3a..42c51966 100644
> ---- a/src/color-parser.cc
> -+++ b/src/color-parser.cc
> -@@ -17,7 +17,7 @@
> -
> - #include "color-parser.hh"
> - #include "color.hh"
> --
> -+#include "fast_float.hh"
> - #include <algorithm>
> - #include <cctype>
> - #include <charconv>
> -@@ -298,7 +298,7 @@ parse_csslike(std::string const& spec) noexcept
> -                 auto value = uint64_t{};
> -                 auto const start = spec.c_str() + 1;
> -                 auto const end = spec.c_str() + spec.size();
> --                auto const rv = std::from_chars(start, end, value, 16);
> -+                auto const rv = fast_float::from_chars(start, end,
> value, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr != end)
> -                         return std::nullopt;
> -
> -@@ -424,7 +424,7 @@ parse_x11like(std::string const& spec) noexcept
> -                 auto value = uint64_t{};
> -                 auto const start = spec.c_str() + 1;
> -                 auto const end = spec.c_str() + spec.size();
> --                auto const rv = std::from_chars(start, end, value, 16);
> -+                auto const rv = fast_float::from_chars(start, end,
> value, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr != end)
> -                         return std::nullopt;
> -
> -@@ -447,13 +447,13 @@ parse_x11like(std::string const& spec) noexcept
> -                 // Note that the length check above makes sure that @r,
> @g, @b,
> -                 // don't exceed @bits.
> -                 auto r = UINT64_C(0), b = UINT64_C(0), g = UINT64_C(0);
> --                auto rv = std::from_chars(start, end, r, 16);
> -+                auto rv = fast_float::from_chars(start, end, r, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr == end || *rv.ptr !=
> '/')
> -                         return std::nullopt;
> --                rv = std::from_chars(rv.ptr + 1, end, g, 16);
> -+                rv = fast_float::from_chars(rv.ptr + 1, end, g, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr == end || *rv.ptr !=
> '/')
> -                         return std::nullopt;
> --                rv = std::from_chars(rv.ptr + 1, end, b, 16);
> -+                rv = fast_float::from_chars(rv.ptr + 1, end, b, 16);
> -                 if (rv.ec != std::errc{} || rv.ptr != end)
> -                         return std::nullopt;
> -
> -diff --git a/src/termprops.hh b/src/termprops.hh
> -index 0d3f0f4c..a10fc7d1 100644
> ---- a/src/termprops.hh
> -+++ b/src/termprops.hh
> -@@ -17,6 +17,7 @@
> -
> - #include <glib.h>
> -
> -+#include "fast_float.hh"
> - #include "fwd.hh"
> - #include "uuid.hh"
> - #include "color.hh"
> -@@ -355,8 +356,8 @@ inline std::optional<TermpropValue>
> - parse_termprop_integral(std::string_view const& str) noexcept
> - {
> -         auto v = T{};
> --        if (auto [ptr, err] = std::from_chars(std::begin(str),
> --                                              std::end(str),
> -+        if (auto [ptr, err] = fast_float::from_chars(str.data(),
> -+                                              str.data()+str.size(),
> -                                               v);
> -             err == std::errc() && ptr == std::end(str)) {
> -                 if constexpr (std::is_unsigned_v<T>) {
> -@@ -389,10 +390,9 @@ inline std::optional<TermpropValue>
> - parse_termprop_floating(std::string_view const& str) noexcept
> - {
> -         auto v = T{};
> --        if (auto [ptr, err] = std::from_chars(std::begin(str),
> --                                              std::end(str),
> --                                              v,
> --
> std::chars_format::general);
> -+        if (auto [ptr, err] = fast_float::from_chars(str.data(),
> -+                                              str.data() + str.size(),
> -+                                              v);
> -             err == std::errc() &&
> -             ptr == std::end(str) &&
> -             std::isfinite(v)) {
> diff --git a/meta/recipes-support/vte/vte_0.78.2.bb
> b/meta/recipes-support/vte/vte_0.80.3.bb
> similarity index 82%
> rename from meta/recipes-support/vte/vte_0.78.2.bb
> rename to meta/recipes-support/vte/vte_0.80.3.bb
> index 0593d16cd8..1eb95dd827 100644
> --- a/meta/recipes-support/vte/vte_0.78.2.bb
> +++ b/meta/recipes-support/vte/vte_0.80.3.bb
> @@ -11,18 +11,15 @@ LIC_FILES_CHKSUM = " \
>      file://COPYING.XTERM;md5=d7fc3a23c16c039afafe2e042030f057 \
>  "
>
> -DEPENDS = "glib-2.0 glib-2.0-native gtk+3 libpcre2 libxml2-native
> gperf-native icu lz4"
> +DEPENDS = "fastfloat glib-2.0 glib-2.0-native gtk+3 libpcre2
> libxml2-native gperf-native icu lz4"
>
>  GIR_MESON_OPTION = 'gir'
>  GIDOCGEN_MESON_OPTION = "docs"
>  inherit gnomebase gi-docgen features_check upstream-version-is-even
> gobject-introspection systemd vala
>
> -SRC_URI += "file://0001-Add-W_EXITCODE-macro-for-non-glibc-systems.patch \
> -           file://0002-lib-Typo-fix.patch \
> -
>  file://0004-fast_float-Add-single-header-library-for-from_char-i.patch \
> -
>  file://0005-color-parser-Use-fast_float-implementation-for-from_.patch \
> -           "
> -SRC_URI[archive.sha256sum] =
> "35d7bcde07356846b4a12881c8e016705b70a9004a9082285eee5834ccc49890"
> +SRC_URI += "file://0001-Add-W_EXITCODE-macro-for-non-glibc-systems.patch"
> +
> +SRC_URI[archive.sha256sum] =
> "2e596fd3fbeabb71531662224e71f6a2c37f684426136d62854627276ef4f699"
>
>  ANY_OF_DISTRO_FEATURES = "${GTK3DISTROFEATURES}"
>
> @@ -49,7 +46,8 @@ FILES:${PN}-gtk4-dev = "${libdir}/lib*gtk4.so \
>                          ${datadir}/vala/vapi/vte-2.91-gtk4.vapi \
>                          ${includedir}/vte-2.91-gtk4 \
>                          "
> -FILES:${PN} += "${systemd_user_unitdir}"
> +FILES:${PN} += "${systemd_user_unitdir} \
> +                ${datadir}/xdg-terminals"
>  FILES:libvte = "${libdir}/*.so.* ${libdir}/girepository-1.0/*"
>  FILES:${PN}-prompt = " \
>      ${sysconfdir}/profile.d \
> --
> 2.49.0
>
>
> -=-=-=-=-=-=-=-=-=-=-=-
> Links: You receive all messages sent to this group.
> View/Reply Online (#222738):
> https://lists.openembedded.org/g/openembedded-core/message/222738
> Mute This Topic: https://lists.openembedded.org/mt/115028533/556952
> Group Owner: openembedded-core+owner@lists.openembedded.org
> Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [
> rob.woolleywr@gmail.com]
> -=-=-=-=-=-=-=-=-=-=-=-
>
>
diff mbox series

Patch

diff --git a/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch b/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
deleted file mode 100644
index 410d506806..0000000000
--- a/meta/recipes-support/vte/vte/0002-lib-Typo-fix.patch
+++ /dev/null
@@ -1,25 +0,0 @@ 
-From 6b7440996819c12ec32bfaf4e73b27baeb273207 Mon Sep 17 00:00:00 2001
-From: Christian Persch <chpe@src.gnome.org>
-Date: Thu, 5 Sep 2024 23:59:05 +0200
-Subject: [PATCH 2/3] lib: Typo fix
-
-Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2816
-Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/vte/-/commit/e24087d953d9352c8bc46074e2662c80f9bfbc2d]
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- src/vteinternal.hh | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/vteinternal.hh b/src/vteinternal.hh
-index 051e78c..b1adc19 100644
---- a/src/vteinternal.hh
-+++ b/src/vteinternal.hh
-@@ -1233,7 +1233,7 @@ public:
-         void reset_decoder();
- 
-         void feed(std::string_view const& data,
--                  bool start_processsing_ = true);
-+                  bool start_processing_ = true);
-         void feed_child(char const* data,
-                         size_t length) { assert(data); feed_child({data, length}); }
-         void feed_child(std::string_view const& str);
diff --git a/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch b/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
deleted file mode 100644
index 731dba729d..0000000000
--- a/meta/recipes-support/vte/vte/0004-fast_float-Add-single-header-library-for-from_char-i.patch
+++ /dev/null
@@ -1,3922 +0,0 @@ 
-From 2a32e43e43b04771a3357d3d4ccbafa7714e0114 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Fri, 4 Oct 2024 21:21:11 -0700
-Subject: [PATCH 4/5] fast_float: Add single header library for from_char
- implementation
-
-Document the process to re-generate the file whenever new release
-is made for fast_float upstream.
-
-This would make it work with llvm libc++
-
-Upstream-Status: Submitted [https://gitlab.gnome.org/GNOME/vte/-/issues/2823#note_2239888]
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- README.md         |   17 +
- src/fast_float.hh | 3869 +++++++++++++++++++++++++++++++++++++++++++++
- 2 files changed, 3886 insertions(+)
- create mode 100644 src/fast_float.hh
-
-diff --git a/README.md b/README.md
-index a32465a9..20ed5ba2 100644
---- a/README.md
-+++ b/README.md
-@@ -21,6 +21,23 @@ on download.gnome.org, but please note that any tarball for releases
- after 0.60.3 were made by either the gnome release team or other
- gnome contributors, but not by a VTE maintainer.
- 
-+fast_float library[1] is used to provide from_chars implementation for faster
-+and more portable parsing of 64 decimal strings.
-+
-+fast_float.hh is an amalgamation of the entire library,
-+which can be regenerated by using amalgamate.py script provided by
-+fast_float repository. Following command can be used to re-generate the
-+header file
-+
-+```
-+git clone https://github.com/fastfloat/fast_float
-+cd fast_float
-+git checkout v6.1.6
-+python3 ./script/amalgamate.py --license=MIT > $VTE_SRC/src/fast_float.hh
-+```
-+
-+[1]: https://github.com/fastfloat/fast_float
-+
- Installation
- ------------
- 
-diff --git a/src/fast_float.hh b/src/fast_float.hh
-new file mode 100644
-index 00000000..e0d5dd53
---- /dev/null
-+++ b/src/fast_float.hh
-@@ -0,0 +1,3869 @@
-+// fast_float by Daniel Lemire
-+// fast_float by João Paulo Magalhaes
-+//
-+//
-+// with contributions from Eugene Golushkov
-+// with contributions from Maksim Kita
-+// with contributions from Marcin Wojdyr
-+// with contributions from Neal Richardson
-+// with contributions from Tim Paine
-+// with contributions from Fabio Pellacini
-+// with contributions from Lénárd Szolnoki
-+// with contributions from Jan Pharago
-+// with contributions from Maya Warrier
-+// with contributions from Taha Khokhar
-+//
-+//
-+// MIT License Notice
-+//
-+//    MIT License
-+//    
-+//    Copyright (c) 2021 The fast_float authors
-+//    
-+//    Permission is hereby granted, free of charge, to any
-+//    person obtaining a copy of this software and associated
-+//    documentation files (the "Software"), to deal in the
-+//    Software without restriction, including without
-+//    limitation the rights to use, copy, modify, merge,
-+//    publish, distribute, sublicense, and/or sell copies of
-+//    the Software, and to permit persons to whom the Software
-+//    is furnished to do so, subject to the following
-+//    conditions:
-+//    
-+//    The above copyright notice and this permission notice
-+//    shall be included in all copies or substantial portions
-+//    of the Software.
-+//    
-+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
-+//    ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
-+//    TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
-+//    PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
-+//    SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-+//    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-+//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-+//    IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-+//    DEALINGS IN THE SOFTWARE.
-+//
-+
-+#ifndef FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
-+#define FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
-+
-+#ifdef __has_include
-+#if __has_include(<version>)
-+#include <version>
-+#endif
-+#endif
-+
-+// Testing for https://wg21.link/N3652, adopted in C++14
-+#if __cpp_constexpr >= 201304
-+#define FASTFLOAT_CONSTEXPR14 constexpr
-+#else
-+#define FASTFLOAT_CONSTEXPR14
-+#endif
-+
-+#if defined(__cpp_lib_bit_cast) && __cpp_lib_bit_cast >= 201806L
-+#define FASTFLOAT_HAS_BIT_CAST 1
-+#else
-+#define FASTFLOAT_HAS_BIT_CAST 0
-+#endif
-+
-+#if defined(__cpp_lib_is_constant_evaluated) &&                                \
-+    __cpp_lib_is_constant_evaluated >= 201811L
-+#define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 1
-+#else
-+#define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 0
-+#endif
-+
-+// Testing for relevant C++20 constexpr library features
-+#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED && FASTFLOAT_HAS_BIT_CAST &&           \
-+    __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/
-+#define FASTFLOAT_CONSTEXPR20 constexpr
-+#define FASTFLOAT_IS_CONSTEXPR 1
-+#else
-+#define FASTFLOAT_CONSTEXPR20
-+#define FASTFLOAT_IS_CONSTEXPR 0
-+#endif
-+
-+#if __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
-+#define FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE 0
-+#else
-+#define FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE 1
-+#endif
-+
-+#endif // FASTFLOAT_CONSTEXPR_FEATURE_DETECT_H
-+
-+#ifndef FASTFLOAT_FLOAT_COMMON_H
-+#define FASTFLOAT_FLOAT_COMMON_H
-+
-+#include <cfloat>
-+#include <cstdint>
-+#include <cassert>
-+#include <cstring>
-+#include <type_traits>
-+#include <system_error>
-+#ifdef __has_include
-+#if __has_include(<stdfloat>) && (__cplusplus > 202002L || _MSVC_LANG > 202002L)
-+#include <stdfloat>
-+#endif
-+#endif
-+
-+namespace fast_float {
-+
-+#define FASTFLOAT_JSONFMT (1 << 5)
-+#define FASTFLOAT_FORTRANFMT (1 << 6)
-+
-+enum chars_format {
-+  scientific = 1 << 0,
-+  fixed = 1 << 2,
-+  hex = 1 << 3,
-+  no_infnan = 1 << 4,
-+  // RFC 8259: https://datatracker.ietf.org/doc/html/rfc8259#section-6
-+  json = FASTFLOAT_JSONFMT | fixed | scientific | no_infnan,
-+  // Extension of RFC 8259 where, e.g., "inf" and "nan" are allowed.
-+  json_or_infnan = FASTFLOAT_JSONFMT | fixed | scientific,
-+  fortran = FASTFLOAT_FORTRANFMT | fixed | scientific,
-+  general = fixed | scientific
-+};
-+
-+template <typename UC> struct from_chars_result_t {
-+  UC const *ptr;
-+  std::errc ec;
-+};
-+using from_chars_result = from_chars_result_t<char>;
-+
-+template <typename UC> struct parse_options_t {
-+  constexpr explicit parse_options_t(chars_format fmt = chars_format::general,
-+                                     UC dot = UC('.'))
-+      : format(fmt), decimal_point(dot) {}
-+
-+  /** Which number formats are accepted */
-+  chars_format format;
-+  /** The character used as decimal point */
-+  UC decimal_point;
-+};
-+using parse_options = parse_options_t<char>;
-+
-+} // namespace fast_float
-+
-+#if FASTFLOAT_HAS_BIT_CAST
-+#include <bit>
-+#endif
-+
-+#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) ||            \
-+     defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) ||          \
-+     defined(__MINGW64__) || defined(__s390x__) ||                             \
-+     (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) ||      \
-+      defined(__PPC64LE__)) ||                                                 \
-+     defined(__loongarch64))
-+#define FASTFLOAT_64BIT 1
-+#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) ||             \
-+       defined(__arm__) || defined(_M_ARM) || defined(__ppc__) ||              \
-+       defined(__MINGW32__) || defined(__EMSCRIPTEN__))
-+#define FASTFLOAT_32BIT 1
-+#else
-+  // Need to check incrementally, since SIZE_MAX is a size_t, avoid overflow.
-+// We can never tell the register width, but the SIZE_MAX is a good
-+// approximation. UINTPTR_MAX and INTPTR_MAX are optional, so avoid them for max
-+// portability.
-+#if SIZE_MAX == 0xffff
-+#error Unknown platform (16-bit, unsupported)
-+#elif SIZE_MAX == 0xffffffff
-+#define FASTFLOAT_32BIT 1
-+#elif SIZE_MAX == 0xffffffffffffffff
-+#define FASTFLOAT_64BIT 1
-+#else
-+#error Unknown platform (not 32-bit, not 64-bit?)
-+#endif
-+#endif
-+
-+#if ((defined(_WIN32) || defined(_WIN64)) && !defined(__clang__)) ||           \
-+    (defined(_M_ARM64) && !defined(__MINGW32__))
-+#include <intrin.h>
-+#endif
-+
-+#if defined(_MSC_VER) && !defined(__clang__)
-+#define FASTFLOAT_VISUAL_STUDIO 1
-+#endif
-+
-+#if defined __BYTE_ORDER__ && defined __ORDER_BIG_ENDIAN__
-+#define FASTFLOAT_IS_BIG_ENDIAN (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
-+#elif defined _WIN32
-+#define FASTFLOAT_IS_BIG_ENDIAN 0
-+#else
-+#if defined(__APPLE__) || defined(__FreeBSD__)
-+#include <machine/endian.h>
-+#elif defined(sun) || defined(__sun)
-+#include <sys/byteorder.h>
-+#elif defined(__MVS__)
-+#include <sys/endian.h>
-+#else
-+#ifdef __has_include
-+#if __has_include(<endian.h>)
-+#include <endian.h>
-+#endif //__has_include(<endian.h>)
-+#endif //__has_include
-+#endif
-+#
-+#ifndef __BYTE_ORDER__
-+// safe choice
-+#define FASTFLOAT_IS_BIG_ENDIAN 0
-+#endif
-+#
-+#ifndef __ORDER_LITTLE_ENDIAN__
-+// safe choice
-+#define FASTFLOAT_IS_BIG_ENDIAN 0
-+#endif
-+#
-+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-+#define FASTFLOAT_IS_BIG_ENDIAN 0
-+#else
-+#define FASTFLOAT_IS_BIG_ENDIAN 1
-+#endif
-+#endif
-+
-+#if defined(__SSE2__) || (defined(FASTFLOAT_VISUAL_STUDIO) &&                  \
-+                          (defined(_M_AMD64) || defined(_M_X64) ||             \
-+                           (defined(_M_IX86_FP) && _M_IX86_FP == 2)))
-+#define FASTFLOAT_SSE2 1
-+#endif
-+
-+#if defined(__aarch64__) || defined(_M_ARM64)
-+#define FASTFLOAT_NEON 1
-+#endif
-+
-+#if defined(FASTFLOAT_SSE2) || defined(FASTFLOAT_NEON)
-+#define FASTFLOAT_HAS_SIMD 1
-+#endif
-+
-+#if defined(__GNUC__)
-+// disable -Wcast-align=strict (GCC only)
-+#define FASTFLOAT_SIMD_DISABLE_WARNINGS                                        \
-+  _Pragma("GCC diagnostic push")                                               \
-+      _Pragma("GCC diagnostic ignored \"-Wcast-align\"")
-+#else
-+#define FASTFLOAT_SIMD_DISABLE_WARNINGS
-+#endif
-+
-+#if defined(__GNUC__)
-+#define FASTFLOAT_SIMD_RESTORE_WARNINGS _Pragma("GCC diagnostic pop")
-+#else
-+#define FASTFLOAT_SIMD_RESTORE_WARNINGS
-+#endif
-+
-+#ifdef FASTFLOAT_VISUAL_STUDIO
-+#define fastfloat_really_inline __forceinline
-+#else
-+#define fastfloat_really_inline inline __attribute__((always_inline))
-+#endif
-+
-+#ifndef FASTFLOAT_ASSERT
-+#define FASTFLOAT_ASSERT(x)                                                    \
-+  { ((void)(x)); }
-+#endif
-+
-+#ifndef FASTFLOAT_DEBUG_ASSERT
-+#define FASTFLOAT_DEBUG_ASSERT(x)                                              \
-+  { ((void)(x)); }
-+#endif
-+
-+// rust style `try!()` macro, or `?` operator
-+#define FASTFLOAT_TRY(x)                                                       \
-+  {                                                                            \
-+    if (!(x))                                                                  \
-+      return false;                                                            \
-+  }
-+
-+#define FASTFLOAT_ENABLE_IF(...)                                               \
-+  typename std::enable_if<(__VA_ARGS__), int>::type
-+
-+namespace fast_float {
-+
-+fastfloat_really_inline constexpr bool cpp20_and_in_constexpr() {
-+#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED
-+  return std::is_constant_evaluated();
-+#else
-+  return false;
-+#endif
-+}
-+
-+template <typename T>
-+fastfloat_really_inline constexpr bool is_supported_float_type() {
-+  return std::is_same<T, float>::value || std::is_same<T, double>::value
-+#if __STDCPP_FLOAT32_T__
-+         || std::is_same<T, std::float32_t>::value
-+#endif
-+#if __STDCPP_FLOAT64_T__
-+         || std::is_same<T, std::float64_t>::value
-+#endif
-+      ;
-+}
-+
-+template <typename UC>
-+fastfloat_really_inline constexpr bool is_supported_char_type() {
-+  return std::is_same<UC, char>::value || std::is_same<UC, wchar_t>::value ||
-+         std::is_same<UC, char16_t>::value || std::is_same<UC, char32_t>::value;
-+}
-+
-+// Compares two ASCII strings in a case insensitive manner.
-+template <typename UC>
-+inline FASTFLOAT_CONSTEXPR14 bool
-+fastfloat_strncasecmp(UC const *input1, UC const *input2, size_t length) {
-+  char running_diff{0};
-+  for (size_t i = 0; i < length; ++i) {
-+    running_diff |= (char(input1[i]) ^ char(input2[i]));
-+  }
-+  return (running_diff == 0) || (running_diff == 32);
-+}
-+
-+#ifndef FLT_EVAL_METHOD
-+#error "FLT_EVAL_METHOD should be defined, please include cfloat."
-+#endif
-+
-+// a pointer and a length to a contiguous block of memory
-+template <typename T> struct span {
-+  const T *ptr;
-+  size_t length;
-+  constexpr span(const T *_ptr, size_t _length) : ptr(_ptr), length(_length) {}
-+  constexpr span() : ptr(nullptr), length(0) {}
-+
-+  constexpr size_t len() const noexcept { return length; }
-+
-+  FASTFLOAT_CONSTEXPR14 const T &operator[](size_t index) const noexcept {
-+    FASTFLOAT_DEBUG_ASSERT(index < length);
-+    return ptr[index];
-+  }
-+};
-+
-+struct value128 {
-+  uint64_t low;
-+  uint64_t high;
-+  constexpr value128(uint64_t _low, uint64_t _high) : low(_low), high(_high) {}
-+  constexpr value128() : low(0), high(0) {}
-+};
-+
-+/* Helper C++14 constexpr generic implementation of leading_zeroes */
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int
-+leading_zeroes_generic(uint64_t input_num, int last_bit = 0) {
-+  if (input_num & uint64_t(0xffffffff00000000)) {
-+    input_num >>= 32;
-+    last_bit |= 32;
-+  }
-+  if (input_num & uint64_t(0xffff0000)) {
-+    input_num >>= 16;
-+    last_bit |= 16;
-+  }
-+  if (input_num & uint64_t(0xff00)) {
-+    input_num >>= 8;
-+    last_bit |= 8;
-+  }
-+  if (input_num & uint64_t(0xf0)) {
-+    input_num >>= 4;
-+    last_bit |= 4;
-+  }
-+  if (input_num & uint64_t(0xc)) {
-+    input_num >>= 2;
-+    last_bit |= 2;
-+  }
-+  if (input_num & uint64_t(0x2)) { /* input_num >>=  1; */
-+    last_bit |= 1;
-+  }
-+  return 63 - last_bit;
-+}
-+
-+/* result might be undefined when input_num is zero */
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 int
-+leading_zeroes(uint64_t input_num) {
-+  assert(input_num > 0);
-+  if (cpp20_and_in_constexpr()) {
-+    return leading_zeroes_generic(input_num);
-+  }
-+#ifdef FASTFLOAT_VISUAL_STUDIO
-+#if defined(_M_X64) || defined(_M_ARM64)
-+  unsigned long leading_zero = 0;
-+  // Search the mask data from most significant bit (MSB)
-+  // to least significant bit (LSB) for a set bit (1).
-+  _BitScanReverse64(&leading_zero, input_num);
-+  return (int)(63 - leading_zero);
-+#else
-+  return leading_zeroes_generic(input_num);
-+#endif
-+#else
-+  return __builtin_clzll(input_num);
-+#endif
-+}
-+
-+// slow emulation routine for 32-bit
-+fastfloat_really_inline constexpr uint64_t emulu(uint32_t x, uint32_t y) {
-+  return x * (uint64_t)y;
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t
-+umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) {
-+  uint64_t ad = emulu((uint32_t)(ab >> 32), (uint32_t)cd);
-+  uint64_t bd = emulu((uint32_t)ab, (uint32_t)cd);
-+  uint64_t adbc = ad + emulu((uint32_t)ab, (uint32_t)(cd >> 32));
-+  uint64_t adbc_carry = (uint64_t)(adbc < ad);
-+  uint64_t lo = bd + (adbc << 32);
-+  *hi = emulu((uint32_t)(ab >> 32), (uint32_t)(cd >> 32)) + (adbc >> 32) +
-+        (adbc_carry << 32) + (uint64_t)(lo < bd);
-+  return lo;
-+}
-+
-+#ifdef FASTFLOAT_32BIT
-+
-+// slow emulation routine for 32-bit
-+#if !defined(__MINGW64__)
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t _umul128(uint64_t ab,
-+                                                                uint64_t cd,
-+                                                                uint64_t *hi) {
-+  return umul128_generic(ab, cd, hi);
-+}
-+#endif // !__MINGW64__
-+
-+#endif // FASTFLOAT_32BIT
-+
-+// compute 64-bit a*b
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128
-+full_multiplication(uint64_t a, uint64_t b) {
-+  if (cpp20_and_in_constexpr()) {
-+    value128 answer;
-+    answer.low = umul128_generic(a, b, &answer.high);
-+    return answer;
-+  }
-+  value128 answer;
-+#if defined(_M_ARM64) && !defined(__MINGW32__)
-+  // ARM64 has native support for 64-bit multiplications, no need to emulate
-+  // But MinGW on ARM64 doesn't have native support for 64-bit multiplications
-+  answer.high = __umulh(a, b);
-+  answer.low = a * b;
-+#elif defined(FASTFLOAT_32BIT) ||                                              \
-+    (defined(_WIN64) && !defined(__clang__) && !defined(_M_ARM64))
-+  answer.low = _umul128(a, b, &answer.high); // _umul128 not available on ARM64
-+#elif defined(FASTFLOAT_64BIT) && defined(__SIZEOF_INT128__)
-+  __uint128_t r = ((__uint128_t)a) * b;
-+  answer.low = uint64_t(r);
-+  answer.high = uint64_t(r >> 64);
-+#else
-+  answer.low = umul128_generic(a, b, &answer.high);
-+#endif
-+  return answer;
-+}
-+
-+struct adjusted_mantissa {
-+  uint64_t mantissa{0};
-+  int32_t power2{0}; // a negative value indicates an invalid result
-+  adjusted_mantissa() = default;
-+  constexpr bool operator==(const adjusted_mantissa &o) const {
-+    return mantissa == o.mantissa && power2 == o.power2;
-+  }
-+  constexpr bool operator!=(const adjusted_mantissa &o) const {
-+    return mantissa != o.mantissa || power2 != o.power2;
-+  }
-+};
-+
-+// Bias so we can get the real exponent with an invalid adjusted_mantissa.
-+constexpr static int32_t invalid_am_bias = -0x8000;
-+
-+// used for binary_format_lookup_tables<T>::max_mantissa
-+constexpr uint64_t constant_55555 = 5 * 5 * 5 * 5 * 5;
-+
-+template <typename T, typename U = void> struct binary_format_lookup_tables;
-+
-+template <typename T> struct binary_format : binary_format_lookup_tables<T> {
-+  using equiv_uint =
-+      typename std::conditional<sizeof(T) == 4, uint32_t, uint64_t>::type;
-+
-+  static inline constexpr int mantissa_explicit_bits();
-+  static inline constexpr int minimum_exponent();
-+  static inline constexpr int infinite_power();
-+  static inline constexpr int sign_index();
-+  static inline constexpr int
-+  min_exponent_fast_path(); // used when fegetround() == FE_TONEAREST
-+  static inline constexpr int max_exponent_fast_path();
-+  static inline constexpr int max_exponent_round_to_even();
-+  static inline constexpr int min_exponent_round_to_even();
-+  static inline constexpr uint64_t max_mantissa_fast_path(int64_t power);
-+  static inline constexpr uint64_t
-+  max_mantissa_fast_path(); // used when fegetround() == FE_TONEAREST
-+  static inline constexpr int largest_power_of_ten();
-+  static inline constexpr int smallest_power_of_ten();
-+  static inline constexpr T exact_power_of_ten(int64_t power);
-+  static inline constexpr size_t max_digits();
-+  static inline constexpr equiv_uint exponent_mask();
-+  static inline constexpr equiv_uint mantissa_mask();
-+  static inline constexpr equiv_uint hidden_bit_mask();
-+};
-+
-+template <typename U> struct binary_format_lookup_tables<double, U> {
-+  static constexpr double powers_of_ten[] = {
-+      1e0,  1e1,  1e2,  1e3,  1e4,  1e5,  1e6,  1e7,  1e8,  1e9,  1e10, 1e11,
-+      1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, 1e20, 1e21, 1e22};
-+
-+  // Largest integer value v so that (5**index * v) <= 1<<53.
-+  // 0x20000000000000 == 1 << 53
-+  static constexpr uint64_t max_mantissa[] = {
-+      0x20000000000000,
-+      0x20000000000000 / 5,
-+      0x20000000000000 / (5 * 5),
-+      0x20000000000000 / (5 * 5 * 5),
-+      0x20000000000000 / (5 * 5 * 5 * 5),
-+      0x20000000000000 / (constant_55555),
-+      0x20000000000000 / (constant_55555 * 5),
-+      0x20000000000000 / (constant_55555 * 5 * 5),
-+      0x20000000000000 / (constant_55555 * 5 * 5 * 5),
-+      0x20000000000000 / (constant_55555 * 5 * 5 * 5 * 5),
-+      0x20000000000000 / (constant_55555 * constant_55555),
-+      0x20000000000000 / (constant_55555 * constant_55555 * 5),
-+      0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5),
-+      0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5 * 5),
-+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555),
-+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5),
-+      0x20000000000000 /
-+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5),
-+      0x20000000000000 /
-+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5),
-+      0x20000000000000 /
-+          (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5),
-+      0x20000000000000 /
-+          (constant_55555 * constant_55555 * constant_55555 * constant_55555),
-+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
-+                          constant_55555 * 5),
-+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
-+                          constant_55555 * 5 * 5),
-+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
-+                          constant_55555 * 5 * 5 * 5),
-+      0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 *
-+                          constant_55555 * 5 * 5 * 5 * 5)};
-+};
-+
-+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
-+
-+template <typename U>
-+constexpr double binary_format_lookup_tables<double, U>::powers_of_ten[];
-+
-+template <typename U>
-+constexpr uint64_t binary_format_lookup_tables<double, U>::max_mantissa[];
-+
-+#endif
-+
-+template <typename U> struct binary_format_lookup_tables<float, U> {
-+  static constexpr float powers_of_ten[] = {1e0f, 1e1f, 1e2f, 1e3f, 1e4f, 1e5f,
-+                                            1e6f, 1e7f, 1e8f, 1e9f, 1e10f};
-+
-+  // Largest integer value v so that (5**index * v) <= 1<<24.
-+  // 0x1000000 == 1<<24
-+  static constexpr uint64_t max_mantissa[] = {
-+      0x1000000,
-+      0x1000000 / 5,
-+      0x1000000 / (5 * 5),
-+      0x1000000 / (5 * 5 * 5),
-+      0x1000000 / (5 * 5 * 5 * 5),
-+      0x1000000 / (constant_55555),
-+      0x1000000 / (constant_55555 * 5),
-+      0x1000000 / (constant_55555 * 5 * 5),
-+      0x1000000 / (constant_55555 * 5 * 5 * 5),
-+      0x1000000 / (constant_55555 * 5 * 5 * 5 * 5),
-+      0x1000000 / (constant_55555 * constant_55555),
-+      0x1000000 / (constant_55555 * constant_55555 * 5)};
-+};
-+
-+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
-+
-+template <typename U>
-+constexpr float binary_format_lookup_tables<float, U>::powers_of_ten[];
-+
-+template <typename U>
-+constexpr uint64_t binary_format_lookup_tables<float, U>::max_mantissa[];
-+
-+#endif
-+
-+template <>
-+inline constexpr int binary_format<double>::min_exponent_fast_path() {
-+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
-+  return 0;
-+#else
-+  return -22;
-+#endif
-+}
-+
-+template <>
-+inline constexpr int binary_format<float>::min_exponent_fast_path() {
-+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
-+  return 0;
-+#else
-+  return -10;
-+#endif
-+}
-+
-+template <>
-+inline constexpr int binary_format<double>::mantissa_explicit_bits() {
-+  return 52;
-+}
-+template <>
-+inline constexpr int binary_format<float>::mantissa_explicit_bits() {
-+  return 23;
-+}
-+
-+template <>
-+inline constexpr int binary_format<double>::max_exponent_round_to_even() {
-+  return 23;
-+}
-+
-+template <>
-+inline constexpr int binary_format<float>::max_exponent_round_to_even() {
-+  return 10;
-+}
-+
-+template <>
-+inline constexpr int binary_format<double>::min_exponent_round_to_even() {
-+  return -4;
-+}
-+
-+template <>
-+inline constexpr int binary_format<float>::min_exponent_round_to_even() {
-+  return -17;
-+}
-+
-+template <> inline constexpr int binary_format<double>::minimum_exponent() {
-+  return -1023;
-+}
-+template <> inline constexpr int binary_format<float>::minimum_exponent() {
-+  return -127;
-+}
-+
-+template <> inline constexpr int binary_format<double>::infinite_power() {
-+  return 0x7FF;
-+}
-+template <> inline constexpr int binary_format<float>::infinite_power() {
-+  return 0xFF;
-+}
-+
-+template <> inline constexpr int binary_format<double>::sign_index() {
-+  return 63;
-+}
-+template <> inline constexpr int binary_format<float>::sign_index() {
-+  return 31;
-+}
-+
-+template <>
-+inline constexpr int binary_format<double>::max_exponent_fast_path() {
-+  return 22;
-+}
-+template <>
-+inline constexpr int binary_format<float>::max_exponent_fast_path() {
-+  return 10;
-+}
-+
-+template <>
-+inline constexpr uint64_t binary_format<double>::max_mantissa_fast_path() {
-+  return uint64_t(2) << mantissa_explicit_bits();
-+}
-+template <>
-+inline constexpr uint64_t
-+binary_format<double>::max_mantissa_fast_path(int64_t power) {
-+  // caller is responsible to ensure that
-+  // power >= 0 && power <= 22
-+  //
-+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
-+  return (void)max_mantissa[0], max_mantissa[power];
-+}
-+template <>
-+inline constexpr uint64_t binary_format<float>::max_mantissa_fast_path() {
-+  return uint64_t(2) << mantissa_explicit_bits();
-+}
-+template <>
-+inline constexpr uint64_t
-+binary_format<float>::max_mantissa_fast_path(int64_t power) {
-+  // caller is responsible to ensure that
-+  // power >= 0 && power <= 10
-+  //
-+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
-+  return (void)max_mantissa[0], max_mantissa[power];
-+}
-+
-+template <>
-+inline constexpr double
-+binary_format<double>::exact_power_of_ten(int64_t power) {
-+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
-+  return (void)powers_of_ten[0], powers_of_ten[power];
-+}
-+template <>
-+inline constexpr float binary_format<float>::exact_power_of_ten(int64_t power) {
-+  // Work around clang bug https://godbolt.org/z/zedh7rrhc
-+  return (void)powers_of_ten[0], powers_of_ten[power];
-+}
-+
-+template <> inline constexpr int binary_format<double>::largest_power_of_ten() {
-+  return 308;
-+}
-+template <> inline constexpr int binary_format<float>::largest_power_of_ten() {
-+  return 38;
-+}
-+
-+template <>
-+inline constexpr int binary_format<double>::smallest_power_of_ten() {
-+  return -342;
-+}
-+template <> inline constexpr int binary_format<float>::smallest_power_of_ten() {
-+  return -64;
-+}
-+
-+template <> inline constexpr size_t binary_format<double>::max_digits() {
-+  return 769;
-+}
-+template <> inline constexpr size_t binary_format<float>::max_digits() {
-+  return 114;
-+}
-+
-+template <>
-+inline constexpr binary_format<float>::equiv_uint
-+binary_format<float>::exponent_mask() {
-+  return 0x7F800000;
-+}
-+template <>
-+inline constexpr binary_format<double>::equiv_uint
-+binary_format<double>::exponent_mask() {
-+  return 0x7FF0000000000000;
-+}
-+
-+template <>
-+inline constexpr binary_format<float>::equiv_uint
-+binary_format<float>::mantissa_mask() {
-+  return 0x007FFFFF;
-+}
-+template <>
-+inline constexpr binary_format<double>::equiv_uint
-+binary_format<double>::mantissa_mask() {
-+  return 0x000FFFFFFFFFFFFF;
-+}
-+
-+template <>
-+inline constexpr binary_format<float>::equiv_uint
-+binary_format<float>::hidden_bit_mask() {
-+  return 0x00800000;
-+}
-+template <>
-+inline constexpr binary_format<double>::equiv_uint
-+binary_format<double>::hidden_bit_mask() {
-+  return 0x0010000000000000;
-+}
-+
-+template <typename T>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
-+to_float(bool negative, adjusted_mantissa am, T &value) {
-+  using fastfloat_uint = typename binary_format<T>::equiv_uint;
-+  fastfloat_uint word = (fastfloat_uint)am.mantissa;
-+  word |= fastfloat_uint(am.power2)
-+          << binary_format<T>::mantissa_explicit_bits();
-+  word |= fastfloat_uint(negative) << binary_format<T>::sign_index();
-+#if FASTFLOAT_HAS_BIT_CAST
-+  value = std::bit_cast<T>(word);
-+#else
-+  ::memcpy(&value, &word, sizeof(T));
-+#endif
-+}
-+
-+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
-+template <typename = void> struct space_lut {
-+  static constexpr bool value[] = {
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-+};
-+
-+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
-+
-+template <typename T> constexpr bool space_lut<T>::value[];
-+
-+#endif
-+
-+inline constexpr bool is_space(uint8_t c) { return space_lut<>::value[c]; }
-+#endif
-+
-+template <typename UC> static constexpr uint64_t int_cmp_zeros() {
-+  static_assert((sizeof(UC) == 1) || (sizeof(UC) == 2) || (sizeof(UC) == 4),
-+                "Unsupported character size");
-+  return (sizeof(UC) == 1) ? 0x3030303030303030
-+         : (sizeof(UC) == 2)
-+             ? (uint64_t(UC('0')) << 48 | uint64_t(UC('0')) << 32 |
-+                uint64_t(UC('0')) << 16 | UC('0'))
-+             : (uint64_t(UC('0')) << 32 | UC('0'));
-+}
-+template <typename UC> static constexpr int int_cmp_len() {
-+  return sizeof(uint64_t) / sizeof(UC);
-+}
-+template <typename UC> static constexpr UC const *str_const_nan() {
-+  return nullptr;
-+}
-+template <> constexpr char const *str_const_nan<char>() { return "nan"; }
-+template <> constexpr wchar_t const *str_const_nan<wchar_t>() { return L"nan"; }
-+template <> constexpr char16_t const *str_const_nan<char16_t>() {
-+  return u"nan";
-+}
-+template <> constexpr char32_t const *str_const_nan<char32_t>() {
-+  return U"nan";
-+}
-+template <typename UC> static constexpr UC const *str_const_inf() {
-+  return nullptr;
-+}
-+template <> constexpr char const *str_const_inf<char>() { return "infinity"; }
-+template <> constexpr wchar_t const *str_const_inf<wchar_t>() {
-+  return L"infinity";
-+}
-+template <> constexpr char16_t const *str_const_inf<char16_t>() {
-+  return u"infinity";
-+}
-+template <> constexpr char32_t const *str_const_inf<char32_t>() {
-+  return U"infinity";
-+}
-+
-+template <typename = void> struct int_luts {
-+  static constexpr uint8_t chdigit[] = {
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   255, 255,
-+      255, 255, 255, 255, 255, 10,  11,  12,  13,  14,  15,  16,  17,  18,  19,
-+      20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,
-+      35,  255, 255, 255, 255, 255, 255, 10,  11,  12,  13,  14,  15,  16,  17,
-+      18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,
-+      33,  34,  35,  255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-+      255};
-+
-+  static constexpr size_t maxdigits_u64[] = {
-+      64, 41, 32, 28, 25, 23, 22, 21, 20, 19, 18, 18, 17, 17, 16, 16, 16, 16,
-+      15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13};
-+
-+  static constexpr uint64_t min_safe_u64[] = {
-+      9223372036854775808ull,  12157665459056928801ull, 4611686018427387904,
-+      7450580596923828125,     4738381338321616896,     3909821048582988049,
-+      9223372036854775808ull,  12157665459056928801ull, 10000000000000000000ull,
-+      5559917313492231481,     2218611106740436992,     8650415919381337933,
-+      2177953337809371136,     6568408355712890625,     1152921504606846976,
-+      2862423051509815793,     6746640616477458432,     15181127029874798299ull,
-+      1638400000000000000,     3243919932521508681,     6221821273427820544,
-+      11592836324538749809ull, 876488338465357824,      1490116119384765625,
-+      2481152873203736576,     4052555153018976267,     6502111422497947648,
-+      10260628712958602189ull, 15943230000000000000ull, 787662783788549761,
-+      1152921504606846976,     1667889514952984961,     2386420683693101056,
-+      3379220508056640625,     4738381338321616896};
-+};
-+
-+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
-+
-+template <typename T> constexpr uint8_t int_luts<T>::chdigit[];
-+
-+template <typename T> constexpr size_t int_luts<T>::maxdigits_u64[];
-+
-+template <typename T> constexpr uint64_t int_luts<T>::min_safe_u64[];
-+
-+#endif
-+
-+template <typename UC>
-+fastfloat_really_inline constexpr uint8_t ch_to_digit(UC c) {
-+  return int_luts<>::chdigit[static_cast<unsigned char>(c)];
-+}
-+
-+fastfloat_really_inline constexpr size_t max_digits_u64(int base) {
-+  return int_luts<>::maxdigits_u64[base - 2];
-+}
-+
-+// If a u64 is exactly max_digits_u64() in length, this is
-+// the value below which it has definitely overflowed.
-+fastfloat_really_inline constexpr uint64_t min_safe_u64(int base) {
-+  return int_luts<>::min_safe_u64[base - 2];
-+}
-+
-+} // namespace fast_float
-+
-+#endif
-+
-+
-+#ifndef FASTFLOAT_FAST_FLOAT_H
-+#define FASTFLOAT_FAST_FLOAT_H
-+
-+
-+namespace fast_float {
-+/**
-+ * This function parses the character sequence [first,last) for a number. It
-+ * parses floating-point numbers expecting a locale-indepent format equivalent
-+ * to what is used by std::strtod in the default ("C") locale. The resulting
-+ * floating-point value is the closest floating-point values (using either float
-+ * or double), using the "round to even" convention for values that would
-+ * otherwise fall right in-between two values. That is, we provide exact parsing
-+ * according to the IEEE standard.
-+ *
-+ * Given a successful parse, the pointer (`ptr`) in the returned value is set to
-+ * point right after the parsed number, and the `value` referenced is set to the
-+ * parsed value. In case of error, the returned `ec` contains a representative
-+ * error, otherwise the default (`std::errc()`) value is stored.
-+ *
-+ * The implementation does not throw and does not allocate memory (e.g., with
-+ * `new` or `malloc`).
-+ *
-+ * Like the C++17 standard, the `fast_float::from_chars` functions take an
-+ * optional last argument of the type `fast_float::chars_format`. It is a bitset
-+ * value: we check whether `fmt & fast_float::chars_format::fixed` and `fmt &
-+ * fast_float::chars_format::scientific` are set to determine whether we allow
-+ * the fixed point and scientific notation respectively. The default is
-+ * `fast_float::chars_format::general` which allows both `fixed` and
-+ * `scientific`.
-+ */
-+template <typename T, typename UC = char,
-+          typename = FASTFLOAT_ENABLE_IF(is_supported_float_type<T>())>
-+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+from_chars(UC const *first, UC const *last, T &value,
-+           chars_format fmt = chars_format::general) noexcept;
-+
-+/**
-+ * Like from_chars, but accepts an `options` argument to govern number parsing.
-+ */
-+template <typename T, typename UC = char>
-+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+from_chars_advanced(UC const *first, UC const *last, T &value,
-+                    parse_options_t<UC> options) noexcept;
-+/**
-+ * from_chars for integer types.
-+ */
-+template <typename T, typename UC = char,
-+          typename = FASTFLOAT_ENABLE_IF(!is_supported_float_type<T>())>
-+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+from_chars(UC const *first, UC const *last, T &value, int base = 10) noexcept;
-+
-+} // namespace fast_float
-+#endif // FASTFLOAT_FAST_FLOAT_H
-+
-+#ifndef FASTFLOAT_ASCII_NUMBER_H
-+#define FASTFLOAT_ASCII_NUMBER_H
-+
-+#include <cctype>
-+#include <cstdint>
-+#include <cstring>
-+#include <iterator>
-+#include <limits>
-+#include <type_traits>
-+
-+
-+#ifdef FASTFLOAT_SSE2
-+#include <emmintrin.h>
-+#endif
-+
-+#ifdef FASTFLOAT_NEON
-+#include <arm_neon.h>
-+#endif
-+
-+namespace fast_float {
-+
-+template <typename UC> fastfloat_really_inline constexpr bool has_simd_opt() {
-+#ifdef FASTFLOAT_HAS_SIMD
-+  return std::is_same<UC, char16_t>::value;
-+#else
-+  return false;
-+#endif
-+}
-+
-+// Next function can be micro-optimized, but compilers are entirely
-+// able to optimize it well.
-+template <typename UC>
-+fastfloat_really_inline constexpr bool is_integer(UC c) noexcept {
-+  return !(c > UC('9') || c < UC('0'));
-+}
-+
-+fastfloat_really_inline constexpr uint64_t byteswap(uint64_t val) {
-+  return (val & 0xFF00000000000000) >> 56 | (val & 0x00FF000000000000) >> 40 |
-+         (val & 0x0000FF0000000000) >> 24 | (val & 0x000000FF00000000) >> 8 |
-+         (val & 0x00000000FF000000) << 8 | (val & 0x0000000000FF0000) << 24 |
-+         (val & 0x000000000000FF00) << 40 | (val & 0x00000000000000FF) << 56;
-+}
-+
-+// Read 8 UC into a u64. Truncates UC if not char.
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
-+read8_to_u64(const UC *chars) {
-+  if (cpp20_and_in_constexpr() || !std::is_same<UC, char>::value) {
-+    uint64_t val = 0;
-+    for (int i = 0; i < 8; ++i) {
-+      val |= uint64_t(uint8_t(*chars)) << (i * 8);
-+      ++chars;
-+    }
-+    return val;
-+  }
-+  uint64_t val;
-+  ::memcpy(&val, chars, sizeof(uint64_t));
-+#if FASTFLOAT_IS_BIG_ENDIAN == 1
-+  // Need to read as-if the number was in little-endian order.
-+  val = byteswap(val);
-+#endif
-+  return val;
-+}
-+
-+#ifdef FASTFLOAT_SSE2
-+
-+fastfloat_really_inline uint64_t simd_read8_to_u64(const __m128i data) {
-+  FASTFLOAT_SIMD_DISABLE_WARNINGS
-+  const __m128i packed = _mm_packus_epi16(data, data);
-+#ifdef FASTFLOAT_64BIT
-+  return uint64_t(_mm_cvtsi128_si64(packed));
-+#else
-+  uint64_t value;
-+  // Visual Studio + older versions of GCC don't support _mm_storeu_si64
-+  _mm_storel_epi64(reinterpret_cast<__m128i *>(&value), packed);
-+  return value;
-+#endif
-+  FASTFLOAT_SIMD_RESTORE_WARNINGS
-+}
-+
-+fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) {
-+  FASTFLOAT_SIMD_DISABLE_WARNINGS
-+  return simd_read8_to_u64(
-+      _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars)));
-+  FASTFLOAT_SIMD_RESTORE_WARNINGS
-+}
-+
-+#elif defined(FASTFLOAT_NEON)
-+
-+fastfloat_really_inline uint64_t simd_read8_to_u64(const uint16x8_t data) {
-+  FASTFLOAT_SIMD_DISABLE_WARNINGS
-+  uint8x8_t utf8_packed = vmovn_u16(data);
-+  return vget_lane_u64(vreinterpret_u64_u8(utf8_packed), 0);
-+  FASTFLOAT_SIMD_RESTORE_WARNINGS
-+}
-+
-+fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) {
-+  FASTFLOAT_SIMD_DISABLE_WARNINGS
-+  return simd_read8_to_u64(
-+      vld1q_u16(reinterpret_cast<const uint16_t *>(chars)));
-+  FASTFLOAT_SIMD_RESTORE_WARNINGS
-+}
-+
-+#endif // FASTFLOAT_SSE2
-+
-+// MSVC SFINAE is broken pre-VS2017
-+#if defined(_MSC_VER) && _MSC_VER <= 1900
-+template <typename UC>
-+#else
-+template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0>
-+#endif
-+// dummy for compile
-+uint64_t simd_read8_to_u64(UC const *) {
-+  return 0;
-+}
-+
-+// credit  @aqrit
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint32_t
-+parse_eight_digits_unrolled(uint64_t val) {
-+  const uint64_t mask = 0x000000FF000000FF;
-+  const uint64_t mul1 = 0x000F424000000064; // 100 + (1000000ULL << 32)
-+  const uint64_t mul2 = 0x0000271000000001; // 1 + (10000ULL << 32)
-+  val -= 0x3030303030303030;
-+  val = (val * 10) + (val >> 8); // val = (val * 2561) >> 8;
-+  val = (((val & mask) * mul1) + (((val >> 16) & mask) * mul2)) >> 32;
-+  return uint32_t(val);
-+}
-+
-+// Call this if chars are definitely 8 digits.
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint32_t
-+parse_eight_digits_unrolled(UC const *chars) noexcept {
-+  if (cpp20_and_in_constexpr() || !has_simd_opt<UC>()) {
-+    return parse_eight_digits_unrolled(read8_to_u64(chars)); // truncation okay
-+  }
-+  return parse_eight_digits_unrolled(simd_read8_to_u64(chars));
-+}
-+
-+// credit @aqrit
-+fastfloat_really_inline constexpr bool
-+is_made_of_eight_digits_fast(uint64_t val) noexcept {
-+  return !((((val + 0x4646464646464646) | (val - 0x3030303030303030)) &
-+            0x8080808080808080));
-+}
-+
-+#ifdef FASTFLOAT_HAS_SIMD
-+
-+// Call this if chars might not be 8 digits.
-+// Using this style (instead of is_made_of_eight_digits_fast() then
-+// parse_eight_digits_unrolled()) ensures we don't load SIMD registers twice.
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
-+simd_parse_if_eight_digits_unrolled(const char16_t *chars,
-+                                    uint64_t &i) noexcept {
-+  if (cpp20_and_in_constexpr()) {
-+    return false;
-+  }
-+#ifdef FASTFLOAT_SSE2
-+  FASTFLOAT_SIMD_DISABLE_WARNINGS
-+  const __m128i data =
-+      _mm_loadu_si128(reinterpret_cast<const __m128i *>(chars));
-+
-+  // (x - '0') <= 9
-+  // http://0x80.pl/articles/simd-parsing-int-sequences.html
-+  const __m128i t0 = _mm_add_epi16(data, _mm_set1_epi16(32720));
-+  const __m128i t1 = _mm_cmpgt_epi16(t0, _mm_set1_epi16(-32759));
-+
-+  if (_mm_movemask_epi8(t1) == 0) {
-+    i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data));
-+    return true;
-+  } else
-+    return false;
-+  FASTFLOAT_SIMD_RESTORE_WARNINGS
-+#elif defined(FASTFLOAT_NEON)
-+  FASTFLOAT_SIMD_DISABLE_WARNINGS
-+  const uint16x8_t data = vld1q_u16(reinterpret_cast<const uint16_t *>(chars));
-+
-+  // (x - '0') <= 9
-+  // http://0x80.pl/articles/simd-parsing-int-sequences.html
-+  const uint16x8_t t0 = vsubq_u16(data, vmovq_n_u16('0'));
-+  const uint16x8_t mask = vcltq_u16(t0, vmovq_n_u16('9' - '0' + 1));
-+
-+  if (vminvq_u16(mask) == 0xFFFF) {
-+    i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data));
-+    return true;
-+  } else
-+    return false;
-+  FASTFLOAT_SIMD_RESTORE_WARNINGS
-+#else
-+  (void)chars;
-+  (void)i;
-+  return false;
-+#endif // FASTFLOAT_SSE2
-+}
-+
-+#endif // FASTFLOAT_HAS_SIMD
-+
-+// MSVC SFINAE is broken pre-VS2017
-+#if defined(_MSC_VER) && _MSC_VER <= 1900
-+template <typename UC>
-+#else
-+template <typename UC, FASTFLOAT_ENABLE_IF(!has_simd_opt<UC>()) = 0>
-+#endif
-+// dummy for compile
-+bool simd_parse_if_eight_digits_unrolled(UC const *, uint64_t &) {
-+  return 0;
-+}
-+
-+template <typename UC, FASTFLOAT_ENABLE_IF(!std::is_same<UC, char>::value) = 0>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
-+loop_parse_if_eight_digits(const UC *&p, const UC *const pend, uint64_t &i) {
-+  if (!has_simd_opt<UC>()) {
-+    return;
-+  }
-+  while ((std::distance(p, pend) >= 8) &&
-+         simd_parse_if_eight_digits_unrolled(
-+             p, i)) { // in rare cases, this will overflow, but that's ok
-+    p += 8;
-+  }
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
-+loop_parse_if_eight_digits(const char *&p, const char *const pend,
-+                           uint64_t &i) {
-+  // optimizes better than parse_if_eight_digits_unrolled() for UC = char.
-+  while ((std::distance(p, pend) >= 8) &&
-+         is_made_of_eight_digits_fast(read8_to_u64(p))) {
-+    i = i * 100000000 +
-+        parse_eight_digits_unrolled(read8_to_u64(
-+            p)); // in rare cases, this will overflow, but that's ok
-+    p += 8;
-+  }
-+}
-+
-+enum class parse_error {
-+  no_error,
-+  // [JSON-only] The minus sign must be followed by an integer.
-+  missing_integer_after_sign,
-+  // A sign must be followed by an integer or dot.
-+  missing_integer_or_dot_after_sign,
-+  // [JSON-only] The integer part must not have leading zeros.
-+  leading_zeros_in_integer_part,
-+  // [JSON-only] The integer part must have at least one digit.
-+  no_digits_in_integer_part,
-+  // [JSON-only] If there is a decimal point, there must be digits in the
-+  // fractional part.
-+  no_digits_in_fractional_part,
-+  // The mantissa must have at least one digit.
-+  no_digits_in_mantissa,
-+  // Scientific notation requires an exponential part.
-+  missing_exponential_part,
-+};
-+
-+template <typename UC> struct parsed_number_string_t {
-+  int64_t exponent{0};
-+  uint64_t mantissa{0};
-+  UC const *lastmatch{nullptr};
-+  bool negative{false};
-+  bool valid{false};
-+  bool too_many_digits{false};
-+  // contains the range of the significant digits
-+  span<const UC> integer{};  // non-nullable
-+  span<const UC> fraction{}; // nullable
-+  parse_error error{parse_error::no_error};
-+};
-+
-+using byte_span = span<const char>;
-+using parsed_number_string = parsed_number_string_t<char>;
-+
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC>
-+report_parse_error(UC const *p, parse_error error) {
-+  parsed_number_string_t<UC> answer;
-+  answer.valid = false;
-+  answer.lastmatch = p;
-+  answer.error = error;
-+  return answer;
-+}
-+
-+// Assuming that you use no more than 19 digits, this will
-+// parse an ASCII string.
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t<UC>
-+parse_number_string(UC const *p, UC const *pend,
-+                    parse_options_t<UC> options) noexcept {
-+  chars_format const fmt = options.format;
-+  UC const decimal_point = options.decimal_point;
-+
-+  parsed_number_string_t<UC> answer;
-+  answer.valid = false;
-+  answer.too_many_digits = false;
-+  answer.negative = (*p == UC('-'));
-+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
-+  if ((*p == UC('-')) || (!(fmt & FASTFLOAT_JSONFMT) && *p == UC('+'))) {
-+#else
-+  if (*p == UC('-')) { // C++17 20.19.3.(7.1) explicitly forbids '+' sign here
-+#endif
-+    ++p;
-+    if (p == pend) {
-+      return report_parse_error<UC>(
-+          p, parse_error::missing_integer_or_dot_after_sign);
-+    }
-+    if (fmt & FASTFLOAT_JSONFMT) {
-+      if (!is_integer(*p)) { // a sign must be followed by an integer
-+        return report_parse_error<UC>(p,
-+                                      parse_error::missing_integer_after_sign);
-+      }
-+    } else {
-+      if (!is_integer(*p) &&
-+          (*p !=
-+           decimal_point)) { // a sign must be followed by an integer or the dot
-+        return report_parse_error<UC>(
-+            p, parse_error::missing_integer_or_dot_after_sign);
-+      }
-+    }
-+  }
-+  UC const *const start_digits = p;
-+
-+  uint64_t i = 0; // an unsigned int avoids signed overflows (which are bad)
-+
-+  while ((p != pend) && is_integer(*p)) {
-+    // a multiplication by 10 is cheaper than an arbitrary integer
-+    // multiplication
-+    i = 10 * i +
-+        uint64_t(*p -
-+                 UC('0')); // might overflow, we will handle the overflow later
-+    ++p;
-+  }
-+  UC const *const end_of_integer_part = p;
-+  int64_t digit_count = int64_t(end_of_integer_part - start_digits);
-+  answer.integer = span<const UC>(start_digits, size_t(digit_count));
-+  if (fmt & FASTFLOAT_JSONFMT) {
-+    // at least 1 digit in integer part, without leading zeros
-+    if (digit_count == 0) {
-+      return report_parse_error<UC>(p, parse_error::no_digits_in_integer_part);
-+    }
-+    if ((start_digits[0] == UC('0') && digit_count > 1)) {
-+      return report_parse_error<UC>(start_digits,
-+                                    parse_error::leading_zeros_in_integer_part);
-+    }
-+  }
-+
-+  int64_t exponent = 0;
-+  const bool has_decimal_point = (p != pend) && (*p == decimal_point);
-+  if (has_decimal_point) {
-+    ++p;
-+    UC const *before = p;
-+    // can occur at most twice without overflowing, but let it occur more, since
-+    // for integers with many digits, digit parsing is the primary bottleneck.
-+    loop_parse_if_eight_digits(p, pend, i);
-+
-+    while ((p != pend) && is_integer(*p)) {
-+      uint8_t digit = uint8_t(*p - UC('0'));
-+      ++p;
-+      i = i * 10 + digit; // in rare cases, this will overflow, but that's ok
-+    }
-+    exponent = before - p;
-+    answer.fraction = span<const UC>(before, size_t(p - before));
-+    digit_count -= exponent;
-+  }
-+  if (fmt & FASTFLOAT_JSONFMT) {
-+    // at least 1 digit in fractional part
-+    if (has_decimal_point && exponent == 0) {
-+      return report_parse_error<UC>(p,
-+                                    parse_error::no_digits_in_fractional_part);
-+    }
-+  } else if (digit_count ==
-+             0) { // we must have encountered at least one integer!
-+    return report_parse_error<UC>(p, parse_error::no_digits_in_mantissa);
-+  }
-+  int64_t exp_number = 0; // explicit exponential part
-+  if (((fmt & chars_format::scientific) && (p != pend) &&
-+       ((UC('e') == *p) || (UC('E') == *p))) ||
-+      ((fmt & FASTFLOAT_FORTRANFMT) && (p != pend) &&
-+       ((UC('+') == *p) || (UC('-') == *p) || (UC('d') == *p) ||
-+        (UC('D') == *p)))) {
-+    UC const *location_of_e = p;
-+    if ((UC('e') == *p) || (UC('E') == *p) || (UC('d') == *p) ||
-+        (UC('D') == *p)) {
-+      ++p;
-+    }
-+    bool neg_exp = false;
-+    if ((p != pend) && (UC('-') == *p)) {
-+      neg_exp = true;
-+      ++p;
-+    } else if ((p != pend) &&
-+               (UC('+') ==
-+                *p)) { // '+' on exponent is allowed by C++17 20.19.3.(7.1)
-+      ++p;
-+    }
-+    if ((p == pend) || !is_integer(*p)) {
-+      if (!(fmt & chars_format::fixed)) {
-+        // The exponential part is invalid for scientific notation, so it must
-+        // be a trailing token for fixed notation. However, fixed notation is
-+        // disabled, so report a scientific notation error.
-+        return report_parse_error<UC>(p, parse_error::missing_exponential_part);
-+      }
-+      // Otherwise, we will be ignoring the 'e'.
-+      p = location_of_e;
-+    } else {
-+      while ((p != pend) && is_integer(*p)) {
-+        uint8_t digit = uint8_t(*p - UC('0'));
-+        if (exp_number < 0x10000000) {
-+          exp_number = 10 * exp_number + digit;
-+        }
-+        ++p;
-+      }
-+      if (neg_exp) {
-+        exp_number = -exp_number;
-+      }
-+      exponent += exp_number;
-+    }
-+  } else {
-+    // If it scientific and not fixed, we have to bail out.
-+    if ((fmt & chars_format::scientific) && !(fmt & chars_format::fixed)) {
-+      return report_parse_error<UC>(p, parse_error::missing_exponential_part);
-+    }
-+  }
-+  answer.lastmatch = p;
-+  answer.valid = true;
-+
-+  // If we frequently had to deal with long strings of digits,
-+  // we could extend our code by using a 128-bit integer instead
-+  // of a 64-bit integer. However, this is uncommon.
-+  //
-+  // We can deal with up to 19 digits.
-+  if (digit_count > 19) { // this is uncommon
-+    // It is possible that the integer had an overflow.
-+    // We have to handle the case where we have 0.0000somenumber.
-+    // We need to be mindful of the case where we only have zeroes...
-+    // E.g., 0.000000000...000.
-+    UC const *start = start_digits;
-+    while ((start != pend) && (*start == UC('0') || *start == decimal_point)) {
-+      if (*start == UC('0')) {
-+        digit_count--;
-+      }
-+      start++;
-+    }
-+
-+    if (digit_count > 19) {
-+      answer.too_many_digits = true;
-+      // Let us start again, this time, avoiding overflows.
-+      // We don't need to check if is_integer, since we use the
-+      // pre-tokenized spans from above.
-+      i = 0;
-+      p = answer.integer.ptr;
-+      UC const *int_end = p + answer.integer.len();
-+      const uint64_t minimal_nineteen_digit_integer{1000000000000000000};
-+      while ((i < minimal_nineteen_digit_integer) && (p != int_end)) {
-+        i = i * 10 + uint64_t(*p - UC('0'));
-+        ++p;
-+      }
-+      if (i >= minimal_nineteen_digit_integer) { // We have a big integers
-+        exponent = end_of_integer_part - p + exp_number;
-+      } else { // We have a value with a fractional component.
-+        p = answer.fraction.ptr;
-+        UC const *frac_end = p + answer.fraction.len();
-+        while ((i < minimal_nineteen_digit_integer) && (p != frac_end)) {
-+          i = i * 10 + uint64_t(*p - UC('0'));
-+          ++p;
-+        }
-+        exponent = answer.fraction.ptr - p + exp_number;
-+      }
-+      // We have now corrected both exponent and i, to a truncated value
-+    }
-+  }
-+  answer.exponent = exponent;
-+  answer.mantissa = i;
-+  return answer;
-+}
-+
-+template <typename T, typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+parse_int_string(UC const *p, UC const *pend, T &value, int base) {
-+  from_chars_result_t<UC> answer;
-+
-+  UC const *const first = p;
-+
-+  bool negative = (*p == UC('-'));
-+  if (!std::is_signed<T>::value && negative) {
-+    answer.ec = std::errc::invalid_argument;
-+    answer.ptr = first;
-+    return answer;
-+  }
-+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
-+  if ((*p == UC('-')) || (*p == UC('+'))) {
-+#else
-+  if (*p == UC('-')) {
-+#endif
-+    ++p;
-+  }
-+
-+  UC const *const start_num = p;
-+
-+  while (p != pend && *p == UC('0')) {
-+    ++p;
-+  }
-+
-+  const bool has_leading_zeros = p > start_num;
-+
-+  UC const *const start_digits = p;
-+
-+  uint64_t i = 0;
-+  if (base == 10) {
-+    loop_parse_if_eight_digits(p, pend, i); // use SIMD if possible
-+  }
-+  while (p != pend) {
-+    uint8_t digit = ch_to_digit(*p);
-+    if (digit >= base) {
-+      break;
-+    }
-+    i = uint64_t(base) * i + digit; // might overflow, check this later
-+    p++;
-+  }
-+
-+  size_t digit_count = size_t(p - start_digits);
-+
-+  if (digit_count == 0) {
-+    if (has_leading_zeros) {
-+      value = 0;
-+      answer.ec = std::errc();
-+      answer.ptr = p;
-+    } else {
-+      answer.ec = std::errc::invalid_argument;
-+      answer.ptr = first;
-+    }
-+    return answer;
-+  }
-+
-+  answer.ptr = p;
-+
-+  // check u64 overflow
-+  size_t max_digits = max_digits_u64(base);
-+  if (digit_count > max_digits) {
-+    answer.ec = std::errc::result_out_of_range;
-+    return answer;
-+  }
-+  // this check can be eliminated for all other types, but they will all require
-+  // a max_digits(base) equivalent
-+  if (digit_count == max_digits && i < min_safe_u64(base)) {
-+    answer.ec = std::errc::result_out_of_range;
-+    return answer;
-+  }
-+
-+  // check other types overflow
-+  if (!std::is_same<T, uint64_t>::value) {
-+    if (i > uint64_t(std::numeric_limits<T>::max()) + uint64_t(negative)) {
-+      answer.ec = std::errc::result_out_of_range;
-+      return answer;
-+    }
-+  }
-+
-+  if (negative) {
-+#ifdef FASTFLOAT_VISUAL_STUDIO
-+#pragma warning(push)
-+#pragma warning(disable : 4146)
-+#endif
-+    // this weird workaround is required because:
-+    // - converting unsigned to signed when its value is greater than signed max
-+    // is UB pre-C++23.
-+    // - reinterpret_casting (~i + 1) would work, but it is not constexpr
-+    // this is always optimized into a neg instruction (note: T is an integer
-+    // type)
-+    value = T(-std::numeric_limits<T>::max() -
-+              T(i - uint64_t(std::numeric_limits<T>::max())));
-+#ifdef FASTFLOAT_VISUAL_STUDIO
-+#pragma warning(pop)
-+#endif
-+  } else {
-+    value = T(i);
-+  }
-+
-+  answer.ec = std::errc();
-+  return answer;
-+}
-+
-+} // namespace fast_float
-+
-+#endif
-+
-+#ifndef FASTFLOAT_FAST_TABLE_H
-+#define FASTFLOAT_FAST_TABLE_H
-+
-+#include <cstdint>
-+
-+namespace fast_float {
-+
-+/**
-+ * When mapping numbers from decimal to binary,
-+ * we go from w * 10^q to m * 2^p but we have
-+ * 10^q = 5^q * 2^q, so effectively
-+ * we are trying to match
-+ * w * 2^q * 5^q to m * 2^p. Thus the powers of two
-+ * are not a concern since they can be represented
-+ * exactly using the binary notation, only the powers of five
-+ * affect the binary significand.
-+ */
-+
-+/**
-+ * The smallest non-zero float (binary64) is 2^-1074.
-+ * We take as input numbers of the form w x 10^q where w < 2^64.
-+ * We have that w * 10^-343  <  2^(64-344) 5^-343 < 2^-1076.
-+ * However, we have that
-+ * (2^64-1) * 10^-342 =  (2^64-1) * 2^-342 * 5^-342 > 2^-1074.
-+ * Thus it is possible for a number of the form w * 10^-342 where
-+ * w is a 64-bit value to be a non-zero floating-point number.
-+ *********
-+ * Any number of form w * 10^309 where w>= 1 is going to be
-+ * infinite in binary64 so we never need to worry about powers
-+ * of 5 greater than 308.
-+ */
-+template <class unused = void> struct powers_template {
-+
-+  constexpr static int smallest_power_of_five =
-+      binary_format<double>::smallest_power_of_ten();
-+  constexpr static int largest_power_of_five =
-+      binary_format<double>::largest_power_of_ten();
-+  constexpr static int number_of_entries =
-+      2 * (largest_power_of_five - smallest_power_of_five + 1);
-+  // Powers of five from 5^-342 all the way to 5^308 rounded toward one.
-+  constexpr static uint64_t power_of_five_128[number_of_entries] = {
-+      0xeef453d6923bd65a, 0x113faa2906a13b3f,
-+      0x9558b4661b6565f8, 0x4ac7ca59a424c507,
-+      0xbaaee17fa23ebf76, 0x5d79bcf00d2df649,
-+      0xe95a99df8ace6f53, 0xf4d82c2c107973dc,
-+      0x91d8a02bb6c10594, 0x79071b9b8a4be869,
-+      0xb64ec836a47146f9, 0x9748e2826cdee284,
-+      0xe3e27a444d8d98b7, 0xfd1b1b2308169b25,
-+      0x8e6d8c6ab0787f72, 0xfe30f0f5e50e20f7,
-+      0xb208ef855c969f4f, 0xbdbd2d335e51a935,
-+      0xde8b2b66b3bc4723, 0xad2c788035e61382,
-+      0x8b16fb203055ac76, 0x4c3bcb5021afcc31,
-+      0xaddcb9e83c6b1793, 0xdf4abe242a1bbf3d,
-+      0xd953e8624b85dd78, 0xd71d6dad34a2af0d,
-+      0x87d4713d6f33aa6b, 0x8672648c40e5ad68,
-+      0xa9c98d8ccb009506, 0x680efdaf511f18c2,
-+      0xd43bf0effdc0ba48, 0x212bd1b2566def2,
-+      0x84a57695fe98746d, 0x14bb630f7604b57,
-+      0xa5ced43b7e3e9188, 0x419ea3bd35385e2d,
-+      0xcf42894a5dce35ea, 0x52064cac828675b9,
-+      0x818995ce7aa0e1b2, 0x7343efebd1940993,
-+      0xa1ebfb4219491a1f, 0x1014ebe6c5f90bf8,
-+      0xca66fa129f9b60a6, 0xd41a26e077774ef6,
-+      0xfd00b897478238d0, 0x8920b098955522b4,
-+      0x9e20735e8cb16382, 0x55b46e5f5d5535b0,
-+      0xc5a890362fddbc62, 0xeb2189f734aa831d,
-+      0xf712b443bbd52b7b, 0xa5e9ec7501d523e4,
-+      0x9a6bb0aa55653b2d, 0x47b233c92125366e,
-+      0xc1069cd4eabe89f8, 0x999ec0bb696e840a,
-+      0xf148440a256e2c76, 0xc00670ea43ca250d,
-+      0x96cd2a865764dbca, 0x380406926a5e5728,
-+      0xbc807527ed3e12bc, 0xc605083704f5ecf2,
-+      0xeba09271e88d976b, 0xf7864a44c633682e,
-+      0x93445b8731587ea3, 0x7ab3ee6afbe0211d,
-+      0xb8157268fdae9e4c, 0x5960ea05bad82964,
-+      0xe61acf033d1a45df, 0x6fb92487298e33bd,
-+      0x8fd0c16206306bab, 0xa5d3b6d479f8e056,
-+      0xb3c4f1ba87bc8696, 0x8f48a4899877186c,
-+      0xe0b62e2929aba83c, 0x331acdabfe94de87,
-+      0x8c71dcd9ba0b4925, 0x9ff0c08b7f1d0b14,
-+      0xaf8e5410288e1b6f, 0x7ecf0ae5ee44dd9,
-+      0xdb71e91432b1a24a, 0xc9e82cd9f69d6150,
-+      0x892731ac9faf056e, 0xbe311c083a225cd2,
-+      0xab70fe17c79ac6ca, 0x6dbd630a48aaf406,
-+      0xd64d3d9db981787d, 0x92cbbccdad5b108,
-+      0x85f0468293f0eb4e, 0x25bbf56008c58ea5,
-+      0xa76c582338ed2621, 0xaf2af2b80af6f24e,
-+      0xd1476e2c07286faa, 0x1af5af660db4aee1,
-+      0x82cca4db847945ca, 0x50d98d9fc890ed4d,
-+      0xa37fce126597973c, 0xe50ff107bab528a0,
-+      0xcc5fc196fefd7d0c, 0x1e53ed49a96272c8,
-+      0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7a,
-+      0x9faacf3df73609b1, 0x77b191618c54e9ac,
-+      0xc795830d75038c1d, 0xd59df5b9ef6a2417,
-+      0xf97ae3d0d2446f25, 0x4b0573286b44ad1d,
-+      0x9becce62836ac577, 0x4ee367f9430aec32,
-+      0xc2e801fb244576d5, 0x229c41f793cda73f,
-+      0xf3a20279ed56d48a, 0x6b43527578c1110f,
-+      0x9845418c345644d6, 0x830a13896b78aaa9,
-+      0xbe5691ef416bd60c, 0x23cc986bc656d553,
-+      0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa8,
-+      0x94b3a202eb1c3f39, 0x7bf7d71432f3d6a9,
-+      0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc53,
-+      0xe858ad248f5c22c9, 0xd1b3400f8f9cff68,
-+      0x91376c36d99995be, 0x23100809b9c21fa1,
-+      0xb58547448ffffb2d, 0xabd40a0c2832a78a,
-+      0xe2e69915b3fff9f9, 0x16c90c8f323f516c,
-+      0x8dd01fad907ffc3b, 0xae3da7d97f6792e3,
-+      0xb1442798f49ffb4a, 0x99cd11cfdf41779c,
-+      0xdd95317f31c7fa1d, 0x40405643d711d583,
-+      0x8a7d3eef7f1cfc52, 0x482835ea666b2572,
-+      0xad1c8eab5ee43b66, 0xda3243650005eecf,
-+      0xd863b256369d4a40, 0x90bed43e40076a82,
-+      0x873e4f75e2224e68, 0x5a7744a6e804a291,
-+      0xa90de3535aaae202, 0x711515d0a205cb36,
-+      0xd3515c2831559a83, 0xd5a5b44ca873e03,
-+      0x8412d9991ed58091, 0xe858790afe9486c2,
-+      0xa5178fff668ae0b6, 0x626e974dbe39a872,
-+      0xce5d73ff402d98e3, 0xfb0a3d212dc8128f,
-+      0x80fa687f881c7f8e, 0x7ce66634bc9d0b99,
-+      0xa139029f6a239f72, 0x1c1fffc1ebc44e80,
-+      0xc987434744ac874e, 0xa327ffb266b56220,
-+      0xfbe9141915d7a922, 0x4bf1ff9f0062baa8,
-+      0x9d71ac8fada6c9b5, 0x6f773fc3603db4a9,
-+      0xc4ce17b399107c22, 0xcb550fb4384d21d3,
-+      0xf6019da07f549b2b, 0x7e2a53a146606a48,
-+      0x99c102844f94e0fb, 0x2eda7444cbfc426d,
-+      0xc0314325637a1939, 0xfa911155fefb5308,
-+      0xf03d93eebc589f88, 0x793555ab7eba27ca,
-+      0x96267c7535b763b5, 0x4bc1558b2f3458de,
-+      0xbbb01b9283253ca2, 0x9eb1aaedfb016f16,
-+      0xea9c227723ee8bcb, 0x465e15a979c1cadc,
-+      0x92a1958a7675175f, 0xbfacd89ec191ec9,
-+      0xb749faed14125d36, 0xcef980ec671f667b,
-+      0xe51c79a85916f484, 0x82b7e12780e7401a,
-+      0x8f31cc0937ae58d2, 0xd1b2ecb8b0908810,
-+      0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa15,
-+      0xdfbdcece67006ac9, 0x67a791e093e1d49a,
-+      0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e0,
-+      0xaecc49914078536d, 0x58fae9f773886e18,
-+      0xda7f5bf590966848, 0xaf39a475506a899e,
-+      0x888f99797a5e012d, 0x6d8406c952429603,
-+      0xaab37fd7d8f58178, 0xc8e5087ba6d33b83,
-+      0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a64,
-+      0x855c3be0a17fcd26, 0x5cf2eea09a55067f,
-+      0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481e,
-+      0xd0601d8efc57b08b, 0xf13b94daf124da26,
-+      0x823c12795db6ce57, 0x76c53d08d6b70858,
-+      0xa2cb1717b52481ed, 0x54768c4b0c64ca6e,
-+      0xcb7ddcdda26da268, 0xa9942f5dcf7dfd09,
-+      0xfe5d54150b090b02, 0xd3f93b35435d7c4c,
-+      0x9efa548d26e5a6e1, 0xc47bc5014a1a6daf,
-+      0xc6b8e9b0709f109a, 0x359ab6419ca1091b,
-+      0xf867241c8cc6d4c0, 0xc30163d203c94b62,
-+      0x9b407691d7fc44f8, 0x79e0de63425dcf1d,
-+      0xc21094364dfb5636, 0x985915fc12f542e4,
-+      0xf294b943e17a2bc4, 0x3e6f5b7b17b2939d,
-+      0x979cf3ca6cec5b5a, 0xa705992ceecf9c42,
-+      0xbd8430bd08277231, 0x50c6ff782a838353,
-+      0xece53cec4a314ebd, 0xa4f8bf5635246428,
-+      0x940f4613ae5ed136, 0x871b7795e136be99,
-+      0xb913179899f68584, 0x28e2557b59846e3f,
-+      0xe757dd7ec07426e5, 0x331aeada2fe589cf,
-+      0x9096ea6f3848984f, 0x3ff0d2c85def7621,
-+      0xb4bca50b065abe63, 0xfed077a756b53a9,
-+      0xe1ebce4dc7f16dfb, 0xd3e8495912c62894,
-+      0x8d3360f09cf6e4bd, 0x64712dd7abbbd95c,
-+      0xb080392cc4349dec, 0xbd8d794d96aacfb3,
-+      0xdca04777f541c567, 0xecf0d7a0fc5583a0,
-+      0x89e42caaf9491b60, 0xf41686c49db57244,
-+      0xac5d37d5b79b6239, 0x311c2875c522ced5,
-+      0xd77485cb25823ac7, 0x7d633293366b828b,
-+      0x86a8d39ef77164bc, 0xae5dff9c02033197,
-+      0xa8530886b54dbdeb, 0xd9f57f830283fdfc,
-+      0xd267caa862a12d66, 0xd072df63c324fd7b,
-+      0x8380dea93da4bc60, 0x4247cb9e59f71e6d,
-+      0xa46116538d0deb78, 0x52d9be85f074e608,
-+      0xcd795be870516656, 0x67902e276c921f8b,
-+      0x806bd9714632dff6, 0xba1cd8a3db53b6,
-+      0xa086cfcd97bf97f3, 0x80e8a40eccd228a4,
-+      0xc8a883c0fdaf7df0, 0x6122cd128006b2cd,
-+      0xfad2a4b13d1b5d6c, 0x796b805720085f81,
-+      0x9cc3a6eec6311a63, 0xcbe3303674053bb0,
-+      0xc3f490aa77bd60fc, 0xbedbfc4411068a9c,
-+      0xf4f1b4d515acb93b, 0xee92fb5515482d44,
-+      0x991711052d8bf3c5, 0x751bdd152d4d1c4a,
-+      0xbf5cd54678eef0b6, 0xd262d45a78a0635d,
-+      0xef340a98172aace4, 0x86fb897116c87c34,
-+      0x9580869f0e7aac0e, 0xd45d35e6ae3d4da0,
-+      0xbae0a846d2195712, 0x8974836059cca109,
-+      0xe998d258869facd7, 0x2bd1a438703fc94b,
-+      0x91ff83775423cc06, 0x7b6306a34627ddcf,
-+      0xb67f6455292cbf08, 0x1a3bc84c17b1d542,
-+      0xe41f3d6a7377eeca, 0x20caba5f1d9e4a93,
-+      0x8e938662882af53e, 0x547eb47b7282ee9c,
-+      0xb23867fb2a35b28d, 0xe99e619a4f23aa43,
-+      0xdec681f9f4c31f31, 0x6405fa00e2ec94d4,
-+      0x8b3c113c38f9f37e, 0xde83bc408dd3dd04,
-+      0xae0b158b4738705e, 0x9624ab50b148d445,
-+      0xd98ddaee19068c76, 0x3badd624dd9b0957,
-+      0x87f8a8d4cfa417c9, 0xe54ca5d70a80e5d6,
-+      0xa9f6d30a038d1dbc, 0x5e9fcf4ccd211f4c,
-+      0xd47487cc8470652b, 0x7647c3200069671f,
-+      0x84c8d4dfd2c63f3b, 0x29ecd9f40041e073,
-+      0xa5fb0a17c777cf09, 0xf468107100525890,
-+      0xcf79cc9db955c2cc, 0x7182148d4066eeb4,
-+      0x81ac1fe293d599bf, 0xc6f14cd848405530,
-+      0xa21727db38cb002f, 0xb8ada00e5a506a7c,
-+      0xca9cf1d206fdc03b, 0xa6d90811f0e4851c,
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-+      0xaa51823e34a7eede, 0xbd4b46f0599fd415,
-+      0xd4e5e2cdc1d1ea96, 0x6c9e18ac7007c91a,
-+      0x850fadc09923329e, 0x3e2cf6bc604ddb0,
-+      0xa6539930bf6bff45, 0x84db8346b786151c,
-+      0xcfe87f7cef46ff16, 0xe612641865679a63,
-+      0x81f14fae158c5f6e, 0x4fcb7e8f3f60c07e,
-+      0xa26da3999aef7749, 0xe3be5e330f38f09d,
-+      0xcb090c8001ab551c, 0x5cadf5bfd3072cc5,
-+      0xfdcb4fa002162a63, 0x73d9732fc7c8f7f6,
-+      0x9e9f11c4014dda7e, 0x2867e7fddcdd9afa,
-+      0xc646d63501a1511d, 0xb281e1fd541501b8,
-+      0xf7d88bc24209a565, 0x1f225a7ca91a4226,
-+      0x9ae757596946075f, 0x3375788de9b06958,
-+      0xc1a12d2fc3978937, 0x52d6b1641c83ae,
-+      0xf209787bb47d6b84, 0xc0678c5dbd23a49a,
-+      0x9745eb4d50ce6332, 0xf840b7ba963646e0,
-+      0xbd176620a501fbff, 0xb650e5a93bc3d898,
-+      0xec5d3fa8ce427aff, 0xa3e51f138ab4cebe,
-+      0x93ba47c980e98cdf, 0xc66f336c36b10137,
-+      0xb8a8d9bbe123f017, 0xb80b0047445d4184,
-+      0xe6d3102ad96cec1d, 0xa60dc059157491e5,
-+      0x9043ea1ac7e41392, 0x87c89837ad68db2f,
-+      0xb454e4a179dd1877, 0x29babe4598c311fb,
-+      0xe16a1dc9d8545e94, 0xf4296dd6fef3d67a,
-+      0x8ce2529e2734bb1d, 0x1899e4a65f58660c,
-+      0xb01ae745b101e9e4, 0x5ec05dcff72e7f8f,
-+      0xdc21a1171d42645d, 0x76707543f4fa1f73,
-+      0x899504ae72497eba, 0x6a06494a791c53a8,
-+      0xabfa45da0edbde69, 0x487db9d17636892,
-+      0xd6f8d7509292d603, 0x45a9d2845d3c42b6,
-+      0x865b86925b9bc5c2, 0xb8a2392ba45a9b2,
-+      0xa7f26836f282b732, 0x8e6cac7768d7141e,
-+      0xd1ef0244af2364ff, 0x3207d795430cd926,
-+      0x8335616aed761f1f, 0x7f44e6bd49e807b8,
-+      0xa402b9c5a8d3a6e7, 0x5f16206c9c6209a6,
-+      0xcd036837130890a1, 0x36dba887c37a8c0f,
-+      0x802221226be55a64, 0xc2494954da2c9789,
-+      0xa02aa96b06deb0fd, 0xf2db9baa10b7bd6c,
-+      0xc83553c5c8965d3d, 0x6f92829494e5acc7,
-+      0xfa42a8b73abbf48c, 0xcb772339ba1f17f9,
-+      0x9c69a97284b578d7, 0xff2a760414536efb,
-+      0xc38413cf25e2d70d, 0xfef5138519684aba,
-+      0xf46518c2ef5b8cd1, 0x7eb258665fc25d69,
-+      0x98bf2f79d5993802, 0xef2f773ffbd97a61,
-+      0xbeeefb584aff8603, 0xaafb550ffacfd8fa,
-+      0xeeaaba2e5dbf6784, 0x95ba2a53f983cf38,
-+      0x952ab45cfa97a0b2, 0xdd945a747bf26183,
-+      0xba756174393d88df, 0x94f971119aeef9e4,
-+      0xe912b9d1478ceb17, 0x7a37cd5601aab85d,
-+      0x91abb422ccb812ee, 0xac62e055c10ab33a,
-+      0xb616a12b7fe617aa, 0x577b986b314d6009,
-+      0xe39c49765fdf9d94, 0xed5a7e85fda0b80b,
-+      0x8e41ade9fbebc27d, 0x14588f13be847307,
-+      0xb1d219647ae6b31c, 0x596eb2d8ae258fc8,
-+      0xde469fbd99a05fe3, 0x6fca5f8ed9aef3bb,
-+      0x8aec23d680043bee, 0x25de7bb9480d5854,
-+      0xada72ccc20054ae9, 0xaf561aa79a10ae6a,
-+      0xd910f7ff28069da4, 0x1b2ba1518094da04,
-+      0x87aa9aff79042286, 0x90fb44d2f05d0842,
-+      0xa99541bf57452b28, 0x353a1607ac744a53,
-+      0xd3fa922f2d1675f2, 0x42889b8997915ce8,
-+      0x847c9b5d7c2e09b7, 0x69956135febada11,
-+      0xa59bc234db398c25, 0x43fab9837e699095,
-+      0xcf02b2c21207ef2e, 0x94f967e45e03f4bb,
-+      0x8161afb94b44f57d, 0x1d1be0eebac278f5,
-+      0xa1ba1ba79e1632dc, 0x6462d92a69731732,
-+      0xca28a291859bbf93, 0x7d7b8f7503cfdcfe,
-+      0xfcb2cb35e702af78, 0x5cda735244c3d43e,
-+      0x9defbf01b061adab, 0x3a0888136afa64a7,
-+      0xc56baec21c7a1916, 0x88aaa1845b8fdd0,
-+      0xf6c69a72a3989f5b, 0x8aad549e57273d45,
-+      0x9a3c2087a63f6399, 0x36ac54e2f678864b,
-+      0xc0cb28a98fcf3c7f, 0x84576a1bb416a7dd,
-+      0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d5,
-+      0x969eb7c47859e743, 0x9f644ae5a4b1b325,
-+      0xbc4665b596706114, 0x873d5d9f0dde1fee,
-+      0xeb57ff22fc0c7959, 0xa90cb506d155a7ea,
-+      0x9316ff75dd87cbd8, 0x9a7f12442d588f2,
-+      0xb7dcbf5354e9bece, 0xc11ed6d538aeb2f,
-+      0xe5d3ef282a242e81, 0x8f1668c8a86da5fa,
-+      0x8fa475791a569d10, 0xf96e017d694487bc,
-+      0xb38d92d760ec4455, 0x37c981dcc395a9ac,
-+      0xe070f78d3927556a, 0x85bbe253f47b1417,
-+      0x8c469ab843b89562, 0x93956d7478ccec8e,
-+      0xaf58416654a6babb, 0x387ac8d1970027b2,
-+      0xdb2e51bfe9d0696a, 0x6997b05fcc0319e,
-+      0x88fcf317f22241e2, 0x441fece3bdf81f03,
-+      0xab3c2fddeeaad25a, 0xd527e81cad7626c3,
-+      0xd60b3bd56a5586f1, 0x8a71e223d8d3b074,
-+      0x85c7056562757456, 0xf6872d5667844e49,
-+      0xa738c6bebb12d16c, 0xb428f8ac016561db,
-+      0xd106f86e69d785c7, 0xe13336d701beba52,
-+      0x82a45b450226b39c, 0xecc0024661173473,
-+      0xa34d721642b06084, 0x27f002d7f95d0190,
-+      0xcc20ce9bd35c78a5, 0x31ec038df7b441f4,
-+      0xff290242c83396ce, 0x7e67047175a15271,
-+      0x9f79a169bd203e41, 0xf0062c6e984d386,
-+      0xc75809c42c684dd1, 0x52c07b78a3e60868,
-+      0xf92e0c3537826145, 0xa7709a56ccdf8a82,
-+      0x9bbcc7a142b17ccb, 0x88a66076400bb691,
-+      0xc2abf989935ddbfe, 0x6acff893d00ea435,
-+      0xf356f7ebf83552fe, 0x583f6b8c4124d43,
-+      0x98165af37b2153de, 0xc3727a337a8b704a,
-+      0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5c,
-+      0xeda2ee1c7064130c, 0x1162def06f79df73,
-+      0x9485d4d1c63e8be7, 0x8addcb5645ac2ba8,
-+      0xb9a74a0637ce2ee1, 0x6d953e2bd7173692,
-+      0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0437,
-+      0x910ab1d4db9914a0, 0x1d9c9892400a22a2,
-+      0xb54d5e4a127f59c8, 0x2503beb6d00cab4b,
-+      0xe2a0b5dc971f303a, 0x2e44ae64840fd61d,
-+      0x8da471a9de737e24, 0x5ceaecfed289e5d2,
-+      0xb10d8e1456105dad, 0x7425a83e872c5f47,
-+      0xdd50f1996b947518, 0xd12f124e28f77719,
-+      0x8a5296ffe33cc92f, 0x82bd6b70d99aaa6f,
-+      0xace73cbfdc0bfb7b, 0x636cc64d1001550b,
-+      0xd8210befd30efa5a, 0x3c47f7e05401aa4e,
-+      0x8714a775e3e95c78, 0x65acfaec34810a71,
-+      0xa8d9d1535ce3b396, 0x7f1839a741a14d0d,
-+      0xd31045a8341ca07c, 0x1ede48111209a050,
-+      0x83ea2b892091e44d, 0x934aed0aab460432,
-+      0xa4e4b66b68b65d60, 0xf81da84d5617853f,
-+      0xce1de40642e3f4b9, 0x36251260ab9d668e,
-+      0x80d2ae83e9ce78f3, 0xc1d72b7c6b426019,
-+      0xa1075a24e4421730, 0xb24cf65b8612f81f,
-+      0xc94930ae1d529cfc, 0xdee033f26797b627,
-+      0xfb9b7cd9a4a7443c, 0x169840ef017da3b1,
-+      0x9d412e0806e88aa5, 0x8e1f289560ee864e,
-+      0xc491798a08a2ad4e, 0xf1a6f2bab92a27e2,
-+      0xf5b5d7ec8acb58a2, 0xae10af696774b1db,
-+      0x9991a6f3d6bf1765, 0xacca6da1e0a8ef29,
-+      0xbff610b0cc6edd3f, 0x17fd090a58d32af3,
-+      0xeff394dcff8a948e, 0xddfc4b4cef07f5b0,
-+      0x95f83d0a1fb69cd9, 0x4abdaf101564f98e,
-+      0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f1,
-+      0xea53df5fd18d5513, 0x84c86189216dc5ed,
-+      0x92746b9be2f8552c, 0x32fd3cf5b4e49bb4,
-+      0xb7118682dbb66a77, 0x3fbc8c33221dc2a1,
-+      0xe4d5e82392a40515, 0xfabaf3feaa5334a,
-+      0x8f05b1163ba6832d, 0x29cb4d87f2a7400e,
-+      0xb2c71d5bca9023f8, 0x743e20e9ef511012,
-+      0xdf78e4b2bd342cf6, 0x914da9246b255416,
-+      0x8bab8eefb6409c1a, 0x1ad089b6c2f7548e,
-+      0xae9672aba3d0c320, 0xa184ac2473b529b1,
-+      0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741e,
-+      0x8865899617fb1871, 0x7e2fa67c7a658892,
-+      0xaa7eebfb9df9de8d, 0xddbb901b98feeab7,
-+      0xd51ea6fa85785631, 0x552a74227f3ea565,
-+      0x8533285c936b35de, 0xd53a88958f87275f,
-+      0xa67ff273b8460356, 0x8a892abaf368f137,
-+      0xd01fef10a657842c, 0x2d2b7569b0432d85,
-+      0x8213f56a67f6b29b, 0x9c3b29620e29fc73,
-+      0xa298f2c501f45f42, 0x8349f3ba91b47b8f,
-+      0xcb3f2f7642717713, 0x241c70a936219a73,
-+      0xfe0efb53d30dd4d7, 0xed238cd383aa0110,
-+      0x9ec95d1463e8a506, 0xf4363804324a40aa,
-+      0xc67bb4597ce2ce48, 0xb143c6053edcd0d5,
-+      0xf81aa16fdc1b81da, 0xdd94b7868e94050a,
-+      0x9b10a4e5e9913128, 0xca7cf2b4191c8326,
-+      0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f0,
-+      0xf24a01a73cf2dccf, 0xbc633b39673c8cec,
-+      0x976e41088617ca01, 0xd5be0503e085d813,
-+      0xbd49d14aa79dbc82, 0x4b2d8644d8a74e18,
-+      0xec9c459d51852ba2, 0xddf8e7d60ed1219e,
-+      0x93e1ab8252f33b45, 0xcabb90e5c942b503,
-+      0xb8da1662e7b00a17, 0x3d6a751f3b936243,
-+      0xe7109bfba19c0c9d, 0xcc512670a783ad4,
-+      0x906a617d450187e2, 0x27fb2b80668b24c5,
-+      0xb484f9dc9641e9da, 0xb1f9f660802dedf6,
-+      0xe1a63853bbd26451, 0x5e7873f8a0396973,
-+      0x8d07e33455637eb2, 0xdb0b487b6423e1e8,
-+      0xb049dc016abc5e5f, 0x91ce1a9a3d2cda62,
-+      0xdc5c5301c56b75f7, 0x7641a140cc7810fb,
-+      0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9d,
-+      0xac2820d9623bf429, 0x546345fa9fbdcd44,
-+      0xd732290fbacaf133, 0xa97c177947ad4095,
-+      0x867f59a9d4bed6c0, 0x49ed8eabcccc485d,
-+      0xa81f301449ee8c70, 0x5c68f256bfff5a74,
-+      0xd226fc195c6a2f8c, 0x73832eec6fff3111,
-+      0x83585d8fd9c25db7, 0xc831fd53c5ff7eab,
-+      0xa42e74f3d032f525, 0xba3e7ca8b77f5e55,
-+      0xcd3a1230c43fb26f, 0x28ce1bd2e55f35eb,
-+      0x80444b5e7aa7cf85, 0x7980d163cf5b81b3,
-+      0xa0555e361951c366, 0xd7e105bcc332621f,
-+      0xc86ab5c39fa63440, 0x8dd9472bf3fefaa7,
-+      0xfa856334878fc150, 0xb14f98f6f0feb951,
-+      0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d3,
-+      0xc3b8358109e84f07, 0xa862f80ec4700c8,
-+      0xf4a642e14c6262c8, 0xcd27bb612758c0fa,
-+      0x98e7e9cccfbd7dbd, 0x8038d51cb897789c,
-+      0xbf21e44003acdd2c, 0xe0470a63e6bd56c3,
-+      0xeeea5d5004981478, 0x1858ccfce06cac74,
-+      0x95527a5202df0ccb, 0xf37801e0c43ebc8,
-+      0xbaa718e68396cffd, 0xd30560258f54e6ba,
-+      0xe950df20247c83fd, 0x47c6b82ef32a2069,
-+      0x91d28b7416cdd27e, 0x4cdc331d57fa5441,
-+      0xb6472e511c81471d, 0xe0133fe4adf8e952,
-+      0xe3d8f9e563a198e5, 0x58180fddd97723a6,
-+      0x8e679c2f5e44ff8f, 0x570f09eaa7ea7648,
-+  };
-+};
-+
-+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
-+
-+template <class unused>
-+constexpr uint64_t
-+    powers_template<unused>::power_of_five_128[number_of_entries];
-+
-+#endif
-+
-+using powers = powers_template<>;
-+
-+} // namespace fast_float
-+
-+#endif
-+
-+#ifndef FASTFLOAT_DECIMAL_TO_BINARY_H
-+#define FASTFLOAT_DECIMAL_TO_BINARY_H
-+
-+#include <cfloat>
-+#include <cinttypes>
-+#include <cmath>
-+#include <cstdint>
-+#include <cstdlib>
-+#include <cstring>
-+
-+namespace fast_float {
-+
-+// This will compute or rather approximate w * 5**q and return a pair of 64-bit
-+// words approximating the result, with the "high" part corresponding to the
-+// most significant bits and the low part corresponding to the least significant
-+// bits.
-+//
-+template <int bit_precision>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128
-+compute_product_approximation(int64_t q, uint64_t w) {
-+  const int index = 2 * int(q - powers::smallest_power_of_five);
-+  // For small values of q, e.g., q in [0,27], the answer is always exact
-+  // because The line value128 firstproduct = full_multiplication(w,
-+  // power_of_five_128[index]); gives the exact answer.
-+  value128 firstproduct =
-+      full_multiplication(w, powers::power_of_five_128[index]);
-+  static_assert((bit_precision >= 0) && (bit_precision <= 64),
-+                " precision should  be in (0,64]");
-+  constexpr uint64_t precision_mask =
-+      (bit_precision < 64) ? (uint64_t(0xFFFFFFFFFFFFFFFF) >> bit_precision)
-+                           : uint64_t(0xFFFFFFFFFFFFFFFF);
-+  if ((firstproduct.high & precision_mask) ==
-+      precision_mask) { // could further guard with  (lower + w < lower)
-+    // regarding the second product, we only need secondproduct.high, but our
-+    // expectation is that the compiler will optimize this extra work away if
-+    // needed.
-+    value128 secondproduct =
-+        full_multiplication(w, powers::power_of_five_128[index + 1]);
-+    firstproduct.low += secondproduct.high;
-+    if (secondproduct.high > firstproduct.low) {
-+      firstproduct.high++;
-+    }
-+  }
-+  return firstproduct;
-+}
-+
-+namespace detail {
-+/**
-+ * For q in (0,350), we have that
-+ *  f = (((152170 + 65536) * q ) >> 16);
-+ * is equal to
-+ *   floor(p) + q
-+ * where
-+ *   p = log(5**q)/log(2) = q * log(5)/log(2)
-+ *
-+ * For negative values of q in (-400,0), we have that
-+ *  f = (((152170 + 65536) * q ) >> 16);
-+ * is equal to
-+ *   -ceil(p) + q
-+ * where
-+ *   p = log(5**-q)/log(2) = -q * log(5)/log(2)
-+ */
-+constexpr fastfloat_really_inline int32_t power(int32_t q) noexcept {
-+  return (((152170 + 65536) * q) >> 16) + 63;
-+}
-+} // namespace detail
-+
-+// create an adjusted mantissa, biased by the invalid power2
-+// for significant digits already multiplied by 10 ** q.
-+template <typename binary>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 adjusted_mantissa
-+compute_error_scaled(int64_t q, uint64_t w, int lz) noexcept {
-+  int hilz = int(w >> 63) ^ 1;
-+  adjusted_mantissa answer;
-+  answer.mantissa = w << hilz;
-+  int bias = binary::mantissa_explicit_bits() - binary::minimum_exponent();
-+  answer.power2 = int32_t(detail::power(int32_t(q)) + bias - hilz - lz - 62 +
-+                          invalid_am_bias);
-+  return answer;
-+}
-+
-+// w * 10 ** q, without rounding the representation up.
-+// the power2 in the exponent will be adjusted by invalid_am_bias.
-+template <typename binary>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
-+compute_error(int64_t q, uint64_t w) noexcept {
-+  int lz = leading_zeroes(w);
-+  w <<= lz;
-+  value128 product =
-+      compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w);
-+  return compute_error_scaled<binary>(q, product.high, lz);
-+}
-+
-+// w * 10 ** q
-+// The returned value should be a valid ieee64 number that simply need to be
-+// packed. However, in some very rare cases, the computation will fail. In such
-+// cases, we return an adjusted_mantissa with a negative power of 2: the caller
-+// should recompute in such cases.
-+template <typename binary>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
-+compute_float(int64_t q, uint64_t w) noexcept {
-+  adjusted_mantissa answer;
-+  if ((w == 0) || (q < binary::smallest_power_of_ten())) {
-+    answer.power2 = 0;
-+    answer.mantissa = 0;
-+    // result should be zero
-+    return answer;
-+  }
-+  if (q > binary::largest_power_of_ten()) {
-+    // we want to get infinity:
-+    answer.power2 = binary::infinite_power();
-+    answer.mantissa = 0;
-+    return answer;
-+  }
-+  // At this point in time q is in [powers::smallest_power_of_five,
-+  // powers::largest_power_of_five].
-+
-+  // We want the most significant bit of i to be 1. Shift if needed.
-+  int lz = leading_zeroes(w);
-+  w <<= lz;
-+
-+  // The required precision is binary::mantissa_explicit_bits() + 3 because
-+  // 1. We need the implicit bit
-+  // 2. We need an extra bit for rounding purposes
-+  // 3. We might lose a bit due to the "upperbit" routine (result too small,
-+  // requiring a shift)
-+
-+  value128 product =
-+      compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w);
-+  // The computed 'product' is always sufficient.
-+  // Mathematical proof:
-+  // Noble Mushtak and Daniel Lemire, Fast Number Parsing Without Fallback (to
-+  // appear) See script/mushtak_lemire.py
-+
-+  // The "compute_product_approximation" function can be slightly slower than a
-+  // branchless approach: value128 product = compute_product(q, w); but in
-+  // practice, we can win big with the compute_product_approximation if its
-+  // additional branch is easily predicted. Which is best is data specific.
-+  int upperbit = int(product.high >> 63);
-+  int shift = upperbit + 64 - binary::mantissa_explicit_bits() - 3;
-+
-+  answer.mantissa = product.high >> shift;
-+
-+  answer.power2 = int32_t(detail::power(int32_t(q)) + upperbit - lz -
-+                          binary::minimum_exponent());
-+  if (answer.power2 <= 0) { // we have a subnormal?
-+    // Here have that answer.power2 <= 0 so -answer.power2 >= 0
-+    if (-answer.power2 + 1 >=
-+        64) { // if we have more than 64 bits below the minimum exponent, you
-+              // have a zero for sure.
-+      answer.power2 = 0;
-+      answer.mantissa = 0;
-+      // result should be zero
-+      return answer;
-+    }
-+    // next line is safe because -answer.power2 + 1 < 64
-+    answer.mantissa >>= -answer.power2 + 1;
-+    // Thankfully, we can't have both "round-to-even" and subnormals because
-+    // "round-to-even" only occurs for powers close to 0.
-+    answer.mantissa += (answer.mantissa & 1); // round up
-+    answer.mantissa >>= 1;
-+    // There is a weird scenario where we don't have a subnormal but just.
-+    // Suppose we start with 2.2250738585072013e-308, we end up
-+    // with 0x3fffffffffffff x 2^-1023-53 which is technically subnormal
-+    // whereas 0x40000000000000 x 2^-1023-53  is normal. Now, we need to round
-+    // up 0x3fffffffffffff x 2^-1023-53  and once we do, we are no longer
-+    // subnormal, but we can only know this after rounding.
-+    // So we only declare a subnormal if we are smaller than the threshold.
-+    answer.power2 =
-+        (answer.mantissa < (uint64_t(1) << binary::mantissa_explicit_bits()))
-+            ? 0
-+            : 1;
-+    return answer;
-+  }
-+
-+  // usually, we round *up*, but if we fall right in between and and we have an
-+  // even basis, we need to round down
-+  // We are only concerned with the cases where 5**q fits in single 64-bit word.
-+  if ((product.low <= 1) && (q >= binary::min_exponent_round_to_even()) &&
-+      (q <= binary::max_exponent_round_to_even()) &&
-+      ((answer.mantissa & 3) == 1)) { // we may fall between two floats!
-+    // To be in-between two floats we need that in doing
-+    //   answer.mantissa = product.high >> (upperbit + 64 -
-+    //   binary::mantissa_explicit_bits() - 3);
-+    // ... we dropped out only zeroes. But if this happened, then we can go
-+    // back!!!
-+    if ((answer.mantissa << shift) == product.high) {
-+      answer.mantissa &= ~uint64_t(1); // flip it so that we do not round up
-+    }
-+  }
-+
-+  answer.mantissa += (answer.mantissa & 1); // round up
-+  answer.mantissa >>= 1;
-+  if (answer.mantissa >= (uint64_t(2) << binary::mantissa_explicit_bits())) {
-+    answer.mantissa = (uint64_t(1) << binary::mantissa_explicit_bits());
-+    answer.power2++; // undo previous addition
-+  }
-+
-+  answer.mantissa &= ~(uint64_t(1) << binary::mantissa_explicit_bits());
-+  if (answer.power2 >= binary::infinite_power()) { // infinity
-+    answer.power2 = binary::infinite_power();
-+    answer.mantissa = 0;
-+  }
-+  return answer;
-+}
-+
-+} // namespace fast_float
-+
-+#endif
-+
-+#ifndef FASTFLOAT_BIGINT_H
-+#define FASTFLOAT_BIGINT_H
-+
-+#include <algorithm>
-+#include <cstdint>
-+#include <climits>
-+#include <cstring>
-+
-+
-+namespace fast_float {
-+
-+// the limb width: we want efficient multiplication of double the bits in
-+// limb, or for 64-bit limbs, at least 64-bit multiplication where we can
-+// extract the high and low parts efficiently. this is every 64-bit
-+// architecture except for sparc, which emulates 128-bit multiplication.
-+// we might have platforms where `CHAR_BIT` is not 8, so let's avoid
-+// doing `8 * sizeof(limb)`.
-+#if defined(FASTFLOAT_64BIT) && !defined(__sparc)
-+#define FASTFLOAT_64BIT_LIMB 1
-+typedef uint64_t limb;
-+constexpr size_t limb_bits = 64;
-+#else
-+#define FASTFLOAT_32BIT_LIMB
-+typedef uint32_t limb;
-+constexpr size_t limb_bits = 32;
-+#endif
-+
-+typedef span<limb> limb_span;
-+
-+// number of bits in a bigint. this needs to be at least the number
-+// of bits required to store the largest bigint, which is
-+// `log2(10**(digits + max_exp))`, or `log2(10**(767 + 342))`, or
-+// ~3600 bits, so we round to 4000.
-+constexpr size_t bigint_bits = 4000;
-+constexpr size_t bigint_limbs = bigint_bits / limb_bits;
-+
-+// vector-like type that is allocated on the stack. the entire
-+// buffer is pre-allocated, and only the length changes.
-+template <uint16_t size> struct stackvec {
-+  limb data[size];
-+  // we never need more than 150 limbs
-+  uint16_t length{0};
-+
-+  stackvec() = default;
-+  stackvec(const stackvec &) = delete;
-+  stackvec &operator=(const stackvec &) = delete;
-+  stackvec(stackvec &&) = delete;
-+  stackvec &operator=(stackvec &&other) = delete;
-+
-+  // create stack vector from existing limb span.
-+  FASTFLOAT_CONSTEXPR20 stackvec(limb_span s) {
-+    FASTFLOAT_ASSERT(try_extend(s));
-+  }
-+
-+  FASTFLOAT_CONSTEXPR14 limb &operator[](size_t index) noexcept {
-+    FASTFLOAT_DEBUG_ASSERT(index < length);
-+    return data[index];
-+  }
-+  FASTFLOAT_CONSTEXPR14 const limb &operator[](size_t index) const noexcept {
-+    FASTFLOAT_DEBUG_ASSERT(index < length);
-+    return data[index];
-+  }
-+  // index from the end of the container
-+  FASTFLOAT_CONSTEXPR14 const limb &rindex(size_t index) const noexcept {
-+    FASTFLOAT_DEBUG_ASSERT(index < length);
-+    size_t rindex = length - index - 1;
-+    return data[rindex];
-+  }
-+
-+  // set the length, without bounds checking.
-+  FASTFLOAT_CONSTEXPR14 void set_len(size_t len) noexcept {
-+    length = uint16_t(len);
-+  }
-+  constexpr size_t len() const noexcept { return length; }
-+  constexpr bool is_empty() const noexcept { return length == 0; }
-+  constexpr size_t capacity() const noexcept { return size; }
-+  // append item to vector, without bounds checking
-+  FASTFLOAT_CONSTEXPR14 void push_unchecked(limb value) noexcept {
-+    data[length] = value;
-+    length++;
-+  }
-+  // append item to vector, returning if item was added
-+  FASTFLOAT_CONSTEXPR14 bool try_push(limb value) noexcept {
-+    if (len() < capacity()) {
-+      push_unchecked(value);
-+      return true;
-+    } else {
-+      return false;
-+    }
-+  }
-+  // add items to the vector, from a span, without bounds checking
-+  FASTFLOAT_CONSTEXPR20 void extend_unchecked(limb_span s) noexcept {
-+    limb *ptr = data + length;
-+    std::copy_n(s.ptr, s.len(), ptr);
-+    set_len(len() + s.len());
-+  }
-+  // try to add items to the vector, returning if items were added
-+  FASTFLOAT_CONSTEXPR20 bool try_extend(limb_span s) noexcept {
-+    if (len() + s.len() <= capacity()) {
-+      extend_unchecked(s);
-+      return true;
-+    } else {
-+      return false;
-+    }
-+  }
-+  // resize the vector, without bounds checking
-+  // if the new size is longer than the vector, assign value to each
-+  // appended item.
-+  FASTFLOAT_CONSTEXPR20
-+  void resize_unchecked(size_t new_len, limb value) noexcept {
-+    if (new_len > len()) {
-+      size_t count = new_len - len();
-+      limb *first = data + len();
-+      limb *last = first + count;
-+      ::std::fill(first, last, value);
-+      set_len(new_len);
-+    } else {
-+      set_len(new_len);
-+    }
-+  }
-+  // try to resize the vector, returning if the vector was resized.
-+  FASTFLOAT_CONSTEXPR20 bool try_resize(size_t new_len, limb value) noexcept {
-+    if (new_len > capacity()) {
-+      return false;
-+    } else {
-+      resize_unchecked(new_len, value);
-+      return true;
-+    }
-+  }
-+  // check if any limbs are non-zero after the given index.
-+  // this needs to be done in reverse order, since the index
-+  // is relative to the most significant limbs.
-+  FASTFLOAT_CONSTEXPR14 bool nonzero(size_t index) const noexcept {
-+    while (index < len()) {
-+      if (rindex(index) != 0) {
-+        return true;
-+      }
-+      index++;
-+    }
-+    return false;
-+  }
-+  // normalize the big integer, so most-significant zero limbs are removed.
-+  FASTFLOAT_CONSTEXPR14 void normalize() noexcept {
-+    while (len() > 0 && rindex(0) == 0) {
-+      length--;
-+    }
-+  }
-+};
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t
-+empty_hi64(bool &truncated) noexcept {
-+  truncated = false;
-+  return 0;
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
-+uint64_hi64(uint64_t r0, bool &truncated) noexcept {
-+  truncated = false;
-+  int shl = leading_zeroes(r0);
-+  return r0 << shl;
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
-+uint64_hi64(uint64_t r0, uint64_t r1, bool &truncated) noexcept {
-+  int shl = leading_zeroes(r0);
-+  if (shl == 0) {
-+    truncated = r1 != 0;
-+    return r0;
-+  } else {
-+    int shr = 64 - shl;
-+    truncated = (r1 << shl) != 0;
-+    return (r0 << shl) | (r1 >> shr);
-+  }
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
-+uint32_hi64(uint32_t r0, bool &truncated) noexcept {
-+  return uint64_hi64(r0, truncated);
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
-+uint32_hi64(uint32_t r0, uint32_t r1, bool &truncated) noexcept {
-+  uint64_t x0 = r0;
-+  uint64_t x1 = r1;
-+  return uint64_hi64((x0 << 32) | x1, truncated);
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t
-+uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool &truncated) noexcept {
-+  uint64_t x0 = r0;
-+  uint64_t x1 = r1;
-+  uint64_t x2 = r2;
-+  return uint64_hi64(x0, (x1 << 32) | x2, truncated);
-+}
-+
-+// add two small integers, checking for overflow.
-+// we want an efficient operation. for msvc, where
-+// we don't have built-in intrinsics, this is still
-+// pretty fast.
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb
-+scalar_add(limb x, limb y, bool &overflow) noexcept {
-+  limb z;
-+// gcc and clang
-+#if defined(__has_builtin)
-+#if __has_builtin(__builtin_add_overflow)
-+  if (!cpp20_and_in_constexpr()) {
-+    overflow = __builtin_add_overflow(x, y, &z);
-+    return z;
-+  }
-+#endif
-+#endif
-+
-+  // generic, this still optimizes correctly on MSVC.
-+  z = x + y;
-+  overflow = z < x;
-+  return z;
-+}
-+
-+// multiply two small integers, getting both the high and low bits.
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb
-+scalar_mul(limb x, limb y, limb &carry) noexcept {
-+#ifdef FASTFLOAT_64BIT_LIMB
-+#if defined(__SIZEOF_INT128__)
-+  // GCC and clang both define it as an extension.
-+  __uint128_t z = __uint128_t(x) * __uint128_t(y) + __uint128_t(carry);
-+  carry = limb(z >> limb_bits);
-+  return limb(z);
-+#else
-+  // fallback, no native 128-bit integer multiplication with carry.
-+  // on msvc, this optimizes identically, somehow.
-+  value128 z = full_multiplication(x, y);
-+  bool overflow;
-+  z.low = scalar_add(z.low, carry, overflow);
-+  z.high += uint64_t(overflow); // cannot overflow
-+  carry = z.high;
-+  return z.low;
-+#endif
-+#else
-+  uint64_t z = uint64_t(x) * uint64_t(y) + uint64_t(carry);
-+  carry = limb(z >> limb_bits);
-+  return limb(z);
-+#endif
-+}
-+
-+// add scalar value to bigint starting from offset.
-+// used in grade school multiplication
-+template <uint16_t size>
-+inline FASTFLOAT_CONSTEXPR20 bool small_add_from(stackvec<size> &vec, limb y,
-+                                                 size_t start) noexcept {
-+  size_t index = start;
-+  limb carry = y;
-+  bool overflow;
-+  while (carry != 0 && index < vec.len()) {
-+    vec[index] = scalar_add(vec[index], carry, overflow);
-+    carry = limb(overflow);
-+    index += 1;
-+  }
-+  if (carry != 0) {
-+    FASTFLOAT_TRY(vec.try_push(carry));
-+  }
-+  return true;
-+}
-+
-+// add scalar value to bigint.
-+template <uint16_t size>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
-+small_add(stackvec<size> &vec, limb y) noexcept {
-+  return small_add_from(vec, y, 0);
-+}
-+
-+// multiply bigint by scalar value.
-+template <uint16_t size>
-+inline FASTFLOAT_CONSTEXPR20 bool small_mul(stackvec<size> &vec,
-+                                            limb y) noexcept {
-+  limb carry = 0;
-+  for (size_t index = 0; index < vec.len(); index++) {
-+    vec[index] = scalar_mul(vec[index], y, carry);
-+  }
-+  if (carry != 0) {
-+    FASTFLOAT_TRY(vec.try_push(carry));
-+  }
-+  return true;
-+}
-+
-+// add bigint to bigint starting from index.
-+// used in grade school multiplication
-+template <uint16_t size>
-+FASTFLOAT_CONSTEXPR20 bool large_add_from(stackvec<size> &x, limb_span y,
-+                                          size_t start) noexcept {
-+  // the effective x buffer is from `xstart..x.len()`, so exit early
-+  // if we can't get that current range.
-+  if (x.len() < start || y.len() > x.len() - start) {
-+    FASTFLOAT_TRY(x.try_resize(y.len() + start, 0));
-+  }
-+
-+  bool carry = false;
-+  for (size_t index = 0; index < y.len(); index++) {
-+    limb xi = x[index + start];
-+    limb yi = y[index];
-+    bool c1 = false;
-+    bool c2 = false;
-+    xi = scalar_add(xi, yi, c1);
-+    if (carry) {
-+      xi = scalar_add(xi, 1, c2);
-+    }
-+    x[index + start] = xi;
-+    carry = c1 | c2;
-+  }
-+
-+  // handle overflow
-+  if (carry) {
-+    FASTFLOAT_TRY(small_add_from(x, 1, y.len() + start));
-+  }
-+  return true;
-+}
-+
-+// add bigint to bigint.
-+template <uint16_t size>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
-+large_add_from(stackvec<size> &x, limb_span y) noexcept {
-+  return large_add_from(x, y, 0);
-+}
-+
-+// grade-school multiplication algorithm
-+template <uint16_t size>
-+FASTFLOAT_CONSTEXPR20 bool long_mul(stackvec<size> &x, limb_span y) noexcept {
-+  limb_span xs = limb_span(x.data, x.len());
-+  stackvec<size> z(xs);
-+  limb_span zs = limb_span(z.data, z.len());
-+
-+  if (y.len() != 0) {
-+    limb y0 = y[0];
-+    FASTFLOAT_TRY(small_mul(x, y0));
-+    for (size_t index = 1; index < y.len(); index++) {
-+      limb yi = y[index];
-+      stackvec<size> zi;
-+      if (yi != 0) {
-+        // re-use the same buffer throughout
-+        zi.set_len(0);
-+        FASTFLOAT_TRY(zi.try_extend(zs));
-+        FASTFLOAT_TRY(small_mul(zi, yi));
-+        limb_span zis = limb_span(zi.data, zi.len());
-+        FASTFLOAT_TRY(large_add_from(x, zis, index));
-+      }
-+    }
-+  }
-+
-+  x.normalize();
-+  return true;
-+}
-+
-+// grade-school multiplication algorithm
-+template <uint16_t size>
-+FASTFLOAT_CONSTEXPR20 bool large_mul(stackvec<size> &x, limb_span y) noexcept {
-+  if (y.len() == 1) {
-+    FASTFLOAT_TRY(small_mul(x, y[0]));
-+  } else {
-+    FASTFLOAT_TRY(long_mul(x, y));
-+  }
-+  return true;
-+}
-+
-+template <typename = void> struct pow5_tables {
-+  static constexpr uint32_t large_step = 135;
-+  static constexpr uint64_t small_power_of_5[] = {
-+      1UL,
-+      5UL,
-+      25UL,
-+      125UL,
-+      625UL,
-+      3125UL,
-+      15625UL,
-+      78125UL,
-+      390625UL,
-+      1953125UL,
-+      9765625UL,
-+      48828125UL,
-+      244140625UL,
-+      1220703125UL,
-+      6103515625UL,
-+      30517578125UL,
-+      152587890625UL,
-+      762939453125UL,
-+      3814697265625UL,
-+      19073486328125UL,
-+      95367431640625UL,
-+      476837158203125UL,
-+      2384185791015625UL,
-+      11920928955078125UL,
-+      59604644775390625UL,
-+      298023223876953125UL,
-+      1490116119384765625UL,
-+      7450580596923828125UL,
-+  };
-+#ifdef FASTFLOAT_64BIT_LIMB
-+  constexpr static limb large_power_of_5[] = {
-+      1414648277510068013UL, 9180637584431281687UL, 4539964771860779200UL,
-+      10482974169319127550UL, 198276706040285095UL};
-+#else
-+  constexpr static limb large_power_of_5[] = {
-+      4279965485U, 329373468U,  4020270615U, 2137533757U, 4287402176U,
-+      1057042919U, 1071430142U, 2440757623U, 381945767U,  46164893U};
-+#endif
-+};
-+
-+#if FASTFLOAT_DETAIL_MUST_DEFINE_CONSTEXPR_VARIABLE
-+
-+template <typename T> constexpr uint32_t pow5_tables<T>::large_step;
-+
-+template <typename T> constexpr uint64_t pow5_tables<T>::small_power_of_5[];
-+
-+template <typename T> constexpr limb pow5_tables<T>::large_power_of_5[];
-+
-+#endif
-+
-+// big integer type. implements a small subset of big integer
-+// arithmetic, using simple algorithms since asymptotically
-+// faster algorithms are slower for a small number of limbs.
-+// all operations assume the big-integer is normalized.
-+struct bigint : pow5_tables<> {
-+  // storage of the limbs, in little-endian order.
-+  stackvec<bigint_limbs> vec;
-+
-+  FASTFLOAT_CONSTEXPR20 bigint() : vec() {}
-+  bigint(const bigint &) = delete;
-+  bigint &operator=(const bigint &) = delete;
-+  bigint(bigint &&) = delete;
-+  bigint &operator=(bigint &&other) = delete;
-+
-+  FASTFLOAT_CONSTEXPR20 bigint(uint64_t value) : vec() {
-+#ifdef FASTFLOAT_64BIT_LIMB
-+    vec.push_unchecked(value);
-+#else
-+    vec.push_unchecked(uint32_t(value));
-+    vec.push_unchecked(uint32_t(value >> 32));
-+#endif
-+    vec.normalize();
-+  }
-+
-+  // get the high 64 bits from the vector, and if bits were truncated.
-+  // this is to get the significant digits for the float.
-+  FASTFLOAT_CONSTEXPR20 uint64_t hi64(bool &truncated) const noexcept {
-+#ifdef FASTFLOAT_64BIT_LIMB
-+    if (vec.len() == 0) {
-+      return empty_hi64(truncated);
-+    } else if (vec.len() == 1) {
-+      return uint64_hi64(vec.rindex(0), truncated);
-+    } else {
-+      uint64_t result = uint64_hi64(vec.rindex(0), vec.rindex(1), truncated);
-+      truncated |= vec.nonzero(2);
-+      return result;
-+    }
-+#else
-+    if (vec.len() == 0) {
-+      return empty_hi64(truncated);
-+    } else if (vec.len() == 1) {
-+      return uint32_hi64(vec.rindex(0), truncated);
-+    } else if (vec.len() == 2) {
-+      return uint32_hi64(vec.rindex(0), vec.rindex(1), truncated);
-+    } else {
-+      uint64_t result =
-+          uint32_hi64(vec.rindex(0), vec.rindex(1), vec.rindex(2), truncated);
-+      truncated |= vec.nonzero(3);
-+      return result;
-+    }
-+#endif
-+  }
-+
-+  // compare two big integers, returning the large value.
-+  // assumes both are normalized. if the return value is
-+  // negative, other is larger, if the return value is
-+  // positive, this is larger, otherwise they are equal.
-+  // the limbs are stored in little-endian order, so we
-+  // must compare the limbs in ever order.
-+  FASTFLOAT_CONSTEXPR20 int compare(const bigint &other) const noexcept {
-+    if (vec.len() > other.vec.len()) {
-+      return 1;
-+    } else if (vec.len() < other.vec.len()) {
-+      return -1;
-+    } else {
-+      for (size_t index = vec.len(); index > 0; index--) {
-+        limb xi = vec[index - 1];
-+        limb yi = other.vec[index - 1];
-+        if (xi > yi) {
-+          return 1;
-+        } else if (xi < yi) {
-+          return -1;
-+        }
-+      }
-+      return 0;
-+    }
-+  }
-+
-+  // shift left each limb n bits, carrying over to the new limb
-+  // returns true if we were able to shift all the digits.
-+  FASTFLOAT_CONSTEXPR20 bool shl_bits(size_t n) noexcept {
-+    // Internally, for each item, we shift left by n, and add the previous
-+    // right shifted limb-bits.
-+    // For example, we transform (for u8) shifted left 2, to:
-+    //      b10100100 b01000010
-+    //      b10 b10010001 b00001000
-+    FASTFLOAT_DEBUG_ASSERT(n != 0);
-+    FASTFLOAT_DEBUG_ASSERT(n < sizeof(limb) * 8);
-+
-+    size_t shl = n;
-+    size_t shr = limb_bits - shl;
-+    limb prev = 0;
-+    for (size_t index = 0; index < vec.len(); index++) {
-+      limb xi = vec[index];
-+      vec[index] = (xi << shl) | (prev >> shr);
-+      prev = xi;
-+    }
-+
-+    limb carry = prev >> shr;
-+    if (carry != 0) {
-+      return vec.try_push(carry);
-+    }
-+    return true;
-+  }
-+
-+  // move the limbs left by `n` limbs.
-+  FASTFLOAT_CONSTEXPR20 bool shl_limbs(size_t n) noexcept {
-+    FASTFLOAT_DEBUG_ASSERT(n != 0);
-+    if (n + vec.len() > vec.capacity()) {
-+      return false;
-+    } else if (!vec.is_empty()) {
-+      // move limbs
-+      limb *dst = vec.data + n;
-+      const limb *src = vec.data;
-+      std::copy_backward(src, src + vec.len(), dst + vec.len());
-+      // fill in empty limbs
-+      limb *first = vec.data;
-+      limb *last = first + n;
-+      ::std::fill(first, last, 0);
-+      vec.set_len(n + vec.len());
-+      return true;
-+    } else {
-+      return true;
-+    }
-+  }
-+
-+  // move the limbs left by `n` bits.
-+  FASTFLOAT_CONSTEXPR20 bool shl(size_t n) noexcept {
-+    size_t rem = n % limb_bits;
-+    size_t div = n / limb_bits;
-+    if (rem != 0) {
-+      FASTFLOAT_TRY(shl_bits(rem));
-+    }
-+    if (div != 0) {
-+      FASTFLOAT_TRY(shl_limbs(div));
-+    }
-+    return true;
-+  }
-+
-+  // get the number of leading zeros in the bigint.
-+  FASTFLOAT_CONSTEXPR20 int ctlz() const noexcept {
-+    if (vec.is_empty()) {
-+      return 0;
-+    } else {
-+#ifdef FASTFLOAT_64BIT_LIMB
-+      return leading_zeroes(vec.rindex(0));
-+#else
-+      // no use defining a specialized leading_zeroes for a 32-bit type.
-+      uint64_t r0 = vec.rindex(0);
-+      return leading_zeroes(r0 << 32);
-+#endif
-+    }
-+  }
-+
-+  // get the number of bits in the bigint.
-+  FASTFLOAT_CONSTEXPR20 int bit_length() const noexcept {
-+    int lz = ctlz();
-+    return int(limb_bits * vec.len()) - lz;
-+  }
-+
-+  FASTFLOAT_CONSTEXPR20 bool mul(limb y) noexcept { return small_mul(vec, y); }
-+
-+  FASTFLOAT_CONSTEXPR20 bool add(limb y) noexcept { return small_add(vec, y); }
-+
-+  // multiply as if by 2 raised to a power.
-+  FASTFLOAT_CONSTEXPR20 bool pow2(uint32_t exp) noexcept { return shl(exp); }
-+
-+  // multiply as if by 5 raised to a power.
-+  FASTFLOAT_CONSTEXPR20 bool pow5(uint32_t exp) noexcept {
-+    // multiply by a power of 5
-+    size_t large_length = sizeof(large_power_of_5) / sizeof(limb);
-+    limb_span large = limb_span(large_power_of_5, large_length);
-+    while (exp >= large_step) {
-+      FASTFLOAT_TRY(large_mul(vec, large));
-+      exp -= large_step;
-+    }
-+#ifdef FASTFLOAT_64BIT_LIMB
-+    uint32_t small_step = 27;
-+    limb max_native = 7450580596923828125UL;
-+#else
-+    uint32_t small_step = 13;
-+    limb max_native = 1220703125U;
-+#endif
-+    while (exp >= small_step) {
-+      FASTFLOAT_TRY(small_mul(vec, max_native));
-+      exp -= small_step;
-+    }
-+    if (exp != 0) {
-+      // Work around clang bug https://godbolt.org/z/zedh7rrhc
-+      // This is similar to https://github.com/llvm/llvm-project/issues/47746,
-+      // except the workaround described there don't work here
-+      FASTFLOAT_TRY(small_mul(
-+          vec, limb(((void)small_power_of_5[0], small_power_of_5[exp]))));
-+    }
-+
-+    return true;
-+  }
-+
-+  // multiply as if by 10 raised to a power.
-+  FASTFLOAT_CONSTEXPR20 bool pow10(uint32_t exp) noexcept {
-+    FASTFLOAT_TRY(pow5(exp));
-+    return pow2(exp);
-+  }
-+};
-+
-+} // namespace fast_float
-+
-+#endif
-+
-+#ifndef FASTFLOAT_DIGIT_COMPARISON_H
-+#define FASTFLOAT_DIGIT_COMPARISON_H
-+
-+#include <algorithm>
-+#include <cstdint>
-+#include <cstring>
-+#include <iterator>
-+
-+
-+namespace fast_float {
-+
-+// 1e0 to 1e19
-+constexpr static uint64_t powers_of_ten_uint64[] = {1UL,
-+                                                    10UL,
-+                                                    100UL,
-+                                                    1000UL,
-+                                                    10000UL,
-+                                                    100000UL,
-+                                                    1000000UL,
-+                                                    10000000UL,
-+                                                    100000000UL,
-+                                                    1000000000UL,
-+                                                    10000000000UL,
-+                                                    100000000000UL,
-+                                                    1000000000000UL,
-+                                                    10000000000000UL,
-+                                                    100000000000000UL,
-+                                                    1000000000000000UL,
-+                                                    10000000000000000UL,
-+                                                    100000000000000000UL,
-+                                                    1000000000000000000UL,
-+                                                    10000000000000000000UL};
-+
-+// calculate the exponent, in scientific notation, of the number.
-+// this algorithm is not even close to optimized, but it has no practical
-+// effect on performance: in order to have a faster algorithm, we'd need
-+// to slow down performance for faster algorithms, and this is still fast.
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int32_t
-+scientific_exponent(parsed_number_string_t<UC> &num) noexcept {
-+  uint64_t mantissa = num.mantissa;
-+  int32_t exponent = int32_t(num.exponent);
-+  while (mantissa >= 10000) {
-+    mantissa /= 10000;
-+    exponent += 4;
-+  }
-+  while (mantissa >= 100) {
-+    mantissa /= 100;
-+    exponent += 2;
-+  }
-+  while (mantissa >= 10) {
-+    mantissa /= 10;
-+    exponent += 1;
-+  }
-+  return exponent;
-+}
-+
-+// this converts a native floating-point number to an extended-precision float.
-+template <typename T>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
-+to_extended(T value) noexcept {
-+  using equiv_uint = typename binary_format<T>::equiv_uint;
-+  constexpr equiv_uint exponent_mask = binary_format<T>::exponent_mask();
-+  constexpr equiv_uint mantissa_mask = binary_format<T>::mantissa_mask();
-+  constexpr equiv_uint hidden_bit_mask = binary_format<T>::hidden_bit_mask();
-+
-+  adjusted_mantissa am;
-+  int32_t bias = binary_format<T>::mantissa_explicit_bits() -
-+                 binary_format<T>::minimum_exponent();
-+  equiv_uint bits;
-+#if FASTFLOAT_HAS_BIT_CAST
-+  bits = std::bit_cast<equiv_uint>(value);
-+#else
-+  ::memcpy(&bits, &value, sizeof(T));
-+#endif
-+  if ((bits & exponent_mask) == 0) {
-+    // denormal
-+    am.power2 = 1 - bias;
-+    am.mantissa = bits & mantissa_mask;
-+  } else {
-+    // normal
-+    am.power2 = int32_t((bits & exponent_mask) >>
-+                        binary_format<T>::mantissa_explicit_bits());
-+    am.power2 -= bias;
-+    am.mantissa = (bits & mantissa_mask) | hidden_bit_mask;
-+  }
-+
-+  return am;
-+}
-+
-+// get the extended precision value of the halfway point between b and b+u.
-+// we are given a native float that represents b, so we need to adjust it
-+// halfway between b and b+u.
-+template <typename T>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
-+to_extended_halfway(T value) noexcept {
-+  adjusted_mantissa am = to_extended(value);
-+  am.mantissa <<= 1;
-+  am.mantissa += 1;
-+  am.power2 -= 1;
-+  return am;
-+}
-+
-+// round an extended-precision float to the nearest machine float.
-+template <typename T, typename callback>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void round(adjusted_mantissa &am,
-+                                                         callback cb) noexcept {
-+  int32_t mantissa_shift = 64 - binary_format<T>::mantissa_explicit_bits() - 1;
-+  if (-am.power2 >= mantissa_shift) {
-+    // have a denormal float
-+    int32_t shift = -am.power2 + 1;
-+    cb(am, std::min<int32_t>(shift, 64));
-+    // check for round-up: if rounding-nearest carried us to the hidden bit.
-+    am.power2 = (am.mantissa <
-+                 (uint64_t(1) << binary_format<T>::mantissa_explicit_bits()))
-+                    ? 0
-+                    : 1;
-+    return;
-+  }
-+
-+  // have a normal float, use the default shift.
-+  cb(am, mantissa_shift);
-+
-+  // check for carry
-+  if (am.mantissa >=
-+      (uint64_t(2) << binary_format<T>::mantissa_explicit_bits())) {
-+    am.mantissa = (uint64_t(1) << binary_format<T>::mantissa_explicit_bits());
-+    am.power2++;
-+  }
-+
-+  // check for infinite: we could have carried to an infinite power
-+  am.mantissa &= ~(uint64_t(1) << binary_format<T>::mantissa_explicit_bits());
-+  if (am.power2 >= binary_format<T>::infinite_power()) {
-+    am.power2 = binary_format<T>::infinite_power();
-+    am.mantissa = 0;
-+  }
-+}
-+
-+template <typename callback>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
-+round_nearest_tie_even(adjusted_mantissa &am, int32_t shift,
-+                       callback cb) noexcept {
-+  const uint64_t mask = (shift == 64) ? UINT64_MAX : (uint64_t(1) << shift) - 1;
-+  const uint64_t halfway = (shift == 0) ? 0 : uint64_t(1) << (shift - 1);
-+  uint64_t truncated_bits = am.mantissa & mask;
-+  bool is_above = truncated_bits > halfway;
-+  bool is_halfway = truncated_bits == halfway;
-+
-+  // shift digits into position
-+  if (shift == 64) {
-+    am.mantissa = 0;
-+  } else {
-+    am.mantissa >>= shift;
-+  }
-+  am.power2 += shift;
-+
-+  bool is_odd = (am.mantissa & 1) == 1;
-+  am.mantissa += uint64_t(cb(is_odd, is_halfway, is_above));
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
-+round_down(adjusted_mantissa &am, int32_t shift) noexcept {
-+  if (shift == 64) {
-+    am.mantissa = 0;
-+  } else {
-+    am.mantissa >>= shift;
-+  }
-+  am.power2 += shift;
-+}
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
-+skip_zeros(UC const *&first, UC const *last) noexcept {
-+  uint64_t val;
-+  while (!cpp20_and_in_constexpr() &&
-+         std::distance(first, last) >= int_cmp_len<UC>()) {
-+    ::memcpy(&val, first, sizeof(uint64_t));
-+    if (val != int_cmp_zeros<UC>()) {
-+      break;
-+    }
-+    first += int_cmp_len<UC>();
-+  }
-+  while (first != last) {
-+    if (*first != UC('0')) {
-+      break;
-+    }
-+    first++;
-+  }
-+}
-+
-+// determine if any non-zero digits were truncated.
-+// all characters must be valid digits.
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
-+is_truncated(UC const *first, UC const *last) noexcept {
-+  // do 8-bit optimizations, can just compare to 8 literal 0s.
-+  uint64_t val;
-+  while (!cpp20_and_in_constexpr() &&
-+         std::distance(first, last) >= int_cmp_len<UC>()) {
-+    ::memcpy(&val, first, sizeof(uint64_t));
-+    if (val != int_cmp_zeros<UC>()) {
-+      return true;
-+    }
-+    first += int_cmp_len<UC>();
-+  }
-+  while (first != last) {
-+    if (*first != UC('0')) {
-+      return true;
-+    }
-+    ++first;
-+  }
-+  return false;
-+}
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool
-+is_truncated(span<const UC> s) noexcept {
-+  return is_truncated(s.ptr, s.ptr + s.len());
-+}
-+
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
-+parse_eight_digits(const UC *&p, limb &value, size_t &counter,
-+                   size_t &count) noexcept {
-+  value = value * 100000000 + parse_eight_digits_unrolled(p);
-+  p += 8;
-+  counter += 8;
-+  count += 8;
-+}
-+
-+template <typename UC>
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void
-+parse_one_digit(UC const *&p, limb &value, size_t &counter,
-+                size_t &count) noexcept {
-+  value = value * 10 + limb(*p - UC('0'));
-+  p++;
-+  counter++;
-+  count++;
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
-+add_native(bigint &big, limb power, limb value) noexcept {
-+  big.mul(power);
-+  big.add(value);
-+}
-+
-+fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void
-+round_up_bigint(bigint &big, size_t &count) noexcept {
-+  // need to round-up the digits, but need to avoid rounding
-+  // ....9999 to ...10000, which could cause a false halfway point.
-+  add_native(big, 10, 1);
-+  count++;
-+}
-+
-+// parse the significant digits into a big integer
-+template <typename UC>
-+inline FASTFLOAT_CONSTEXPR20 void
-+parse_mantissa(bigint &result, parsed_number_string_t<UC> &num,
-+               size_t max_digits, size_t &digits) noexcept {
-+  // try to minimize the number of big integer and scalar multiplication.
-+  // therefore, try to parse 8 digits at a time, and multiply by the largest
-+  // scalar value (9 or 19 digits) for each step.
-+  size_t counter = 0;
-+  digits = 0;
-+  limb value = 0;
-+#ifdef FASTFLOAT_64BIT_LIMB
-+  size_t step = 19;
-+#else
-+  size_t step = 9;
-+#endif
-+
-+  // process all integer digits.
-+  UC const *p = num.integer.ptr;
-+  UC const *pend = p + num.integer.len();
-+  skip_zeros(p, pend);
-+  // process all digits, in increments of step per loop
-+  while (p != pend) {
-+    while ((std::distance(p, pend) >= 8) && (step - counter >= 8) &&
-+           (max_digits - digits >= 8)) {
-+      parse_eight_digits(p, value, counter, digits);
-+    }
-+    while (counter < step && p != pend && digits < max_digits) {
-+      parse_one_digit(p, value, counter, digits);
-+    }
-+    if (digits == max_digits) {
-+      // add the temporary value, then check if we've truncated any digits
-+      add_native(result, limb(powers_of_ten_uint64[counter]), value);
-+      bool truncated = is_truncated(p, pend);
-+      if (num.fraction.ptr != nullptr) {
-+        truncated |= is_truncated(num.fraction);
-+      }
-+      if (truncated) {
-+        round_up_bigint(result, digits);
-+      }
-+      return;
-+    } else {
-+      add_native(result, limb(powers_of_ten_uint64[counter]), value);
-+      counter = 0;
-+      value = 0;
-+    }
-+  }
-+
-+  // add our fraction digits, if they're available.
-+  if (num.fraction.ptr != nullptr) {
-+    p = num.fraction.ptr;
-+    pend = p + num.fraction.len();
-+    if (digits == 0) {
-+      skip_zeros(p, pend);
-+    }
-+    // process all digits, in increments of step per loop
-+    while (p != pend) {
-+      while ((std::distance(p, pend) >= 8) && (step - counter >= 8) &&
-+             (max_digits - digits >= 8)) {
-+        parse_eight_digits(p, value, counter, digits);
-+      }
-+      while (counter < step && p != pend && digits < max_digits) {
-+        parse_one_digit(p, value, counter, digits);
-+      }
-+      if (digits == max_digits) {
-+        // add the temporary value, then check if we've truncated any digits
-+        add_native(result, limb(powers_of_ten_uint64[counter]), value);
-+        bool truncated = is_truncated(p, pend);
-+        if (truncated) {
-+          round_up_bigint(result, digits);
-+        }
-+        return;
-+      } else {
-+        add_native(result, limb(powers_of_ten_uint64[counter]), value);
-+        counter = 0;
-+        value = 0;
-+      }
-+    }
-+  }
-+
-+  if (counter != 0) {
-+    add_native(result, limb(powers_of_ten_uint64[counter]), value);
-+  }
-+}
-+
-+template <typename T>
-+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
-+positive_digit_comp(bigint &bigmant, int32_t exponent) noexcept {
-+  FASTFLOAT_ASSERT(bigmant.pow10(uint32_t(exponent)));
-+  adjusted_mantissa answer;
-+  bool truncated;
-+  answer.mantissa = bigmant.hi64(truncated);
-+  int bias = binary_format<T>::mantissa_explicit_bits() -
-+             binary_format<T>::minimum_exponent();
-+  answer.power2 = bigmant.bit_length() - 64 + bias;
-+
-+  round<T>(answer, [truncated](adjusted_mantissa &a, int32_t shift) {
-+    round_nearest_tie_even(
-+        a, shift,
-+        [truncated](bool is_odd, bool is_halfway, bool is_above) -> bool {
-+          return is_above || (is_halfway && truncated) ||
-+                 (is_odd && is_halfway);
-+        });
-+  });
-+
-+  return answer;
-+}
-+
-+// the scaling here is quite simple: we have, for the real digits `m * 10^e`,
-+// and for the theoretical digits `n * 2^f`. Since `e` is always negative,
-+// to scale them identically, we do `n * 2^f * 5^-f`, so we now have `m * 2^e`.
-+// we then need to scale by `2^(f- e)`, and then the two significant digits
-+// are of the same magnitude.
-+template <typename T>
-+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa negative_digit_comp(
-+    bigint &bigmant, adjusted_mantissa am, int32_t exponent) noexcept {
-+  bigint &real_digits = bigmant;
-+  int32_t real_exp = exponent;
-+
-+  // get the value of `b`, rounded down, and get a bigint representation of b+h
-+  adjusted_mantissa am_b = am;
-+  // gcc7 buf: use a lambda to remove the noexcept qualifier bug with
-+  // -Wnoexcept-type.
-+  round<T>(am_b,
-+           [](adjusted_mantissa &a, int32_t shift) { round_down(a, shift); });
-+  T b;
-+  to_float(false, am_b, b);
-+  adjusted_mantissa theor = to_extended_halfway(b);
-+  bigint theor_digits(theor.mantissa);
-+  int32_t theor_exp = theor.power2;
-+
-+  // scale real digits and theor digits to be same power.
-+  int32_t pow2_exp = theor_exp - real_exp;
-+  uint32_t pow5_exp = uint32_t(-real_exp);
-+  if (pow5_exp != 0) {
-+    FASTFLOAT_ASSERT(theor_digits.pow5(pow5_exp));
-+  }
-+  if (pow2_exp > 0) {
-+    FASTFLOAT_ASSERT(theor_digits.pow2(uint32_t(pow2_exp)));
-+  } else if (pow2_exp < 0) {
-+    FASTFLOAT_ASSERT(real_digits.pow2(uint32_t(-pow2_exp)));
-+  }
-+
-+  // compare digits, and use it to director rounding
-+  int ord = real_digits.compare(theor_digits);
-+  adjusted_mantissa answer = am;
-+  round<T>(answer, [ord](adjusted_mantissa &a, int32_t shift) {
-+    round_nearest_tie_even(
-+        a, shift, [ord](bool is_odd, bool _, bool __) -> bool {
-+          (void)_;  // not needed, since we've done our comparison
-+          (void)__; // not needed, since we've done our comparison
-+          if (ord > 0) {
-+            return true;
-+          } else if (ord < 0) {
-+            return false;
-+          } else {
-+            return is_odd;
-+          }
-+        });
-+  });
-+
-+  return answer;
-+}
-+
-+// parse the significant digits as a big integer to unambiguously round the
-+// the significant digits. here, we are trying to determine how to round
-+// an extended float representation close to `b+h`, halfway between `b`
-+// (the float rounded-down) and `b+u`, the next positive float. this
-+// algorithm is always correct, and uses one of two approaches. when
-+// the exponent is positive relative to the significant digits (such as
-+// 1234), we create a big-integer representation, get the high 64-bits,
-+// determine if any lower bits are truncated, and use that to direct
-+// rounding. in case of a negative exponent relative to the significant
-+// digits (such as 1.2345), we create a theoretical representation of
-+// `b` as a big-integer type, scaled to the same binary exponent as
-+// the actual digits. we then compare the big integer representations
-+// of both, and use that to direct rounding.
-+template <typename T, typename UC>
-+inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
-+digit_comp(parsed_number_string_t<UC> &num, adjusted_mantissa am) noexcept {
-+  // remove the invalid exponent bias
-+  am.power2 -= invalid_am_bias;
-+
-+  int32_t sci_exp = scientific_exponent(num);
-+  size_t max_digits = binary_format<T>::max_digits();
-+  size_t digits = 0;
-+  bigint bigmant;
-+  parse_mantissa(bigmant, num, max_digits, digits);
-+  // can't underflow, since digits is at most max_digits.
-+  int32_t exponent = sci_exp + 1 - int32_t(digits);
-+  if (exponent >= 0) {
-+    return positive_digit_comp<T>(bigmant, exponent);
-+  } else {
-+    return negative_digit_comp<T>(bigmant, am, exponent);
-+  }
-+}
-+
-+} // namespace fast_float
-+
-+#endif
-+
-+#ifndef FASTFLOAT_PARSE_NUMBER_H
-+#define FASTFLOAT_PARSE_NUMBER_H
-+
-+
-+#include <cmath>
-+#include <cstring>
-+#include <limits>
-+#include <system_error>
-+namespace fast_float {
-+
-+namespace detail {
-+/**
-+ * Special case +inf, -inf, nan, infinity, -infinity.
-+ * The case comparisons could be made much faster given that we know that the
-+ * strings a null-free and fixed.
-+ **/
-+template <typename T, typename UC>
-+from_chars_result_t<UC> FASTFLOAT_CONSTEXPR14 parse_infnan(UC const *first,
-+                                                           UC const *last,
-+                                                           T &value) noexcept {
-+  from_chars_result_t<UC> answer{};
-+  answer.ptr = first;
-+  answer.ec = std::errc(); // be optimistic
-+  bool minusSign = false;
-+  if (*first ==
-+      UC('-')) { // assume first < last, so dereference without checks;
-+                 // C++17 20.19.3.(7.1) explicitly forbids '+' here
-+    minusSign = true;
-+    ++first;
-+  }
-+#ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default
-+  if (*first == UC('+')) {
-+    ++first;
-+  }
-+#endif
-+  if (last - first >= 3) {
-+    if (fastfloat_strncasecmp(first, str_const_nan<UC>(), 3)) {
-+      answer.ptr = (first += 3);
-+      value = minusSign ? -std::numeric_limits<T>::quiet_NaN()
-+                        : std::numeric_limits<T>::quiet_NaN();
-+      // Check for possible nan(n-char-seq-opt), C++17 20.19.3.7,
-+      // C11 7.20.1.3.3. At least MSVC produces nan(ind) and nan(snan).
-+      if (first != last && *first == UC('(')) {
-+        for (UC const *ptr = first + 1; ptr != last; ++ptr) {
-+          if (*ptr == UC(')')) {
-+            answer.ptr = ptr + 1; // valid nan(n-char-seq-opt)
-+            break;
-+          } else if (!((UC('a') <= *ptr && *ptr <= UC('z')) ||
-+                       (UC('A') <= *ptr && *ptr <= UC('Z')) ||
-+                       (UC('0') <= *ptr && *ptr <= UC('9')) || *ptr == UC('_')))
-+            break; // forbidden char, not nan(n-char-seq-opt)
-+        }
-+      }
-+      return answer;
-+    }
-+    if (fastfloat_strncasecmp(first, str_const_inf<UC>(), 3)) {
-+      if ((last - first >= 8) &&
-+          fastfloat_strncasecmp(first + 3, str_const_inf<UC>() + 3, 5)) {
-+        answer.ptr = first + 8;
-+      } else {
-+        answer.ptr = first + 3;
-+      }
-+      value = minusSign ? -std::numeric_limits<T>::infinity()
-+                        : std::numeric_limits<T>::infinity();
-+      return answer;
-+    }
-+  }
-+  answer.ec = std::errc::invalid_argument;
-+  return answer;
-+}
-+
-+/**
-+ * Returns true if the floating-pointing rounding mode is to 'nearest'.
-+ * It is the default on most system. This function is meant to be inexpensive.
-+ * Credit : @mwalcott3
-+ */
-+fastfloat_really_inline bool rounds_to_nearest() noexcept {
-+  // https://lemire.me/blog/2020/06/26/gcc-not-nearest/
-+#if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0)
-+  return false;
-+#endif
-+  // See
-+  // A fast function to check your floating-point rounding mode
-+  // https://lemire.me/blog/2022/11/16/a-fast-function-to-check-your-floating-point-rounding-mode/
-+  //
-+  // This function is meant to be equivalent to :
-+  // prior: #include <cfenv>
-+  //  return fegetround() == FE_TONEAREST;
-+  // However, it is expected to be much faster than the fegetround()
-+  // function call.
-+  //
-+  // The volatile keywoard prevents the compiler from computing the function
-+  // at compile-time.
-+  // There might be other ways to prevent compile-time optimizations (e.g.,
-+  // asm). The value does not need to be std::numeric_limits<float>::min(), any
-+  // small value so that 1 + x should round to 1 would do (after accounting for
-+  // excess precision, as in 387 instructions).
-+  static volatile float fmin = std::numeric_limits<float>::min();
-+  float fmini = fmin; // we copy it so that it gets loaded at most once.
-+//
-+// Explanation:
-+// Only when fegetround() == FE_TONEAREST do we have that
-+// fmin + 1.0f == 1.0f - fmin.
-+//
-+// FE_UPWARD:
-+//  fmin + 1.0f > 1
-+//  1.0f - fmin == 1
-+//
-+// FE_DOWNWARD or  FE_TOWARDZERO:
-+//  fmin + 1.0f == 1
-+//  1.0f - fmin < 1
-+//
-+// Note: This may fail to be accurate if fast-math has been
-+// enabled, as rounding conventions may not apply.
-+#ifdef FASTFLOAT_VISUAL_STUDIO
-+#pragma warning(push)
-+//  todo: is there a VS warning?
-+//  see
-+//  https://stackoverflow.com/questions/46079446/is-there-a-warning-for-floating-point-equality-checking-in-visual-studio-2013
-+#elif defined(__clang__)
-+#pragma clang diagnostic push
-+#pragma clang diagnostic ignored "-Wfloat-equal"
-+#elif defined(__GNUC__)
-+#pragma GCC diagnostic push
-+#pragma GCC diagnostic ignored "-Wfloat-equal"
-+#endif
-+  return (fmini + 1.0f == 1.0f - fmini);
-+#ifdef FASTFLOAT_VISUAL_STUDIO
-+#pragma warning(pop)
-+#elif defined(__clang__)
-+#pragma clang diagnostic pop
-+#elif defined(__GNUC__)
-+#pragma GCC diagnostic pop
-+#endif
-+}
-+
-+} // namespace detail
-+
-+template <typename T> struct from_chars_caller {
-+  template <typename UC>
-+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
-+  call(UC const *first, UC const *last, T &value,
-+       parse_options_t<UC> options) noexcept {
-+    return from_chars_advanced(first, last, value, options);
-+  }
-+};
-+
-+#if __STDCPP_FLOAT32_T__ == 1
-+template <> struct from_chars_caller<std::float32_t> {
-+  template <typename UC>
-+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
-+  call(UC const *first, UC const *last, std::float32_t &value,
-+       parse_options_t<UC> options) noexcept {
-+    // if std::float32_t is defined, and we are in C++23 mode; macro set for
-+    // float32; set value to float due to equivalence between float and
-+    // float32_t
-+    float val;
-+    auto ret = from_chars_advanced(first, last, val, options);
-+    value = val;
-+    return ret;
-+  }
-+};
-+#endif
-+
-+#if __STDCPP_FLOAT64_T__ == 1
-+template <> struct from_chars_caller<std::float64_t> {
-+  template <typename UC>
-+  FASTFLOAT_CONSTEXPR20 static from_chars_result_t<UC>
-+  call(UC const *first, UC const *last, std::float64_t &value,
-+       parse_options_t<UC> options) noexcept {
-+    // if std::float64_t is defined, and we are in C++23 mode; macro set for
-+    // float64; set value as double due to equivalence between double and
-+    // float64_t
-+    double val;
-+    auto ret = from_chars_advanced(first, last, val, options);
-+    value = val;
-+    return ret;
-+  }
-+};
-+#endif
-+
-+template <typename T, typename UC, typename>
-+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+from_chars(UC const *first, UC const *last, T &value,
-+           chars_format fmt /*= chars_format::general*/) noexcept {
-+  return from_chars_caller<T>::call(first, last, value,
-+                                    parse_options_t<UC>(fmt));
-+}
-+
-+/**
-+ * This function overload takes parsed_number_string_t structure that is created
-+ * and populated either by from_chars_advanced function taking chars range and
-+ * parsing options or other parsing custom function implemented by user.
-+ */
-+template <typename T, typename UC>
-+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+from_chars_advanced(parsed_number_string_t<UC> &pns, T &value) noexcept {
-+
-+  static_assert(is_supported_float_type<T>(),
-+                "only some floating-point types are supported");
-+  static_assert(is_supported_char_type<UC>(),
-+                "only char, wchar_t, char16_t and char32_t are supported");
-+
-+  from_chars_result_t<UC> answer;
-+
-+  answer.ec = std::errc(); // be optimistic
-+  answer.ptr = pns.lastmatch;
-+  // The implementation of the Clinger's fast path is convoluted because
-+  // we want round-to-nearest in all cases, irrespective of the rounding mode
-+  // selected on the thread.
-+  // We proceed optimistically, assuming that detail::rounds_to_nearest()
-+  // returns true.
-+  if (binary_format<T>::min_exponent_fast_path() <= pns.exponent &&
-+      pns.exponent <= binary_format<T>::max_exponent_fast_path() &&
-+      !pns.too_many_digits) {
-+    // Unfortunately, the conventional Clinger's fast path is only possible
-+    // when the system rounds to the nearest float.
-+    //
-+    // We expect the next branch to almost always be selected.
-+    // We could check it first (before the previous branch), but
-+    // there might be performance advantages at having the check
-+    // be last.
-+    if (!cpp20_and_in_constexpr() && detail::rounds_to_nearest()) {
-+      // We have that fegetround() == FE_TONEAREST.
-+      // Next is Clinger's fast path.
-+      if (pns.mantissa <= binary_format<T>::max_mantissa_fast_path()) {
-+        value = T(pns.mantissa);
-+        if (pns.exponent < 0) {
-+          value = value / binary_format<T>::exact_power_of_ten(-pns.exponent);
-+        } else {
-+          value = value * binary_format<T>::exact_power_of_ten(pns.exponent);
-+        }
-+        if (pns.negative) {
-+          value = -value;
-+        }
-+        return answer;
-+      }
-+    } else {
-+      // We do not have that fegetround() == FE_TONEAREST.
-+      // Next is a modified Clinger's fast path, inspired by Jakub Jelínek's
-+      // proposal
-+      if (pns.exponent >= 0 &&
-+          pns.mantissa <=
-+              binary_format<T>::max_mantissa_fast_path(pns.exponent)) {
-+#if defined(__clang__) || defined(FASTFLOAT_32BIT)
-+        // Clang may map 0 to -0.0 when fegetround() == FE_DOWNWARD
-+        if (pns.mantissa == 0) {
-+          value = pns.negative ? T(-0.) : T(0.);
-+          return answer;
-+        }
-+#endif
-+        value = T(pns.mantissa) *
-+                binary_format<T>::exact_power_of_ten(pns.exponent);
-+        if (pns.negative) {
-+          value = -value;
-+        }
-+        return answer;
-+      }
-+    }
-+  }
-+  adjusted_mantissa am =
-+      compute_float<binary_format<T>>(pns.exponent, pns.mantissa);
-+  if (pns.too_many_digits && am.power2 >= 0) {
-+    if (am != compute_float<binary_format<T>>(pns.exponent, pns.mantissa + 1)) {
-+      am = compute_error<binary_format<T>>(pns.exponent, pns.mantissa);
-+    }
-+  }
-+  // If we called compute_float<binary_format<T>>(pns.exponent, pns.mantissa)
-+  // and we have an invalid power (am.power2 < 0), then we need to go the long
-+  // way around again. This is very uncommon.
-+  if (am.power2 < 0) {
-+    am = digit_comp<T>(pns, am);
-+  }
-+  to_float(pns.negative, am, value);
-+  // Test for over/underflow.
-+  if ((pns.mantissa != 0 && am.mantissa == 0 && am.power2 == 0) ||
-+      am.power2 == binary_format<T>::infinite_power()) {
-+    answer.ec = std::errc::result_out_of_range;
-+  }
-+  return answer;
-+}
-+
-+template <typename T, typename UC>
-+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+from_chars_advanced(UC const *first, UC const *last, T &value,
-+                    parse_options_t<UC> options) noexcept {
-+
-+  static_assert(is_supported_float_type<T>(),
-+                "only some floating-point types are supported");
-+  static_assert(is_supported_char_type<UC>(),
-+                "only char, wchar_t, char16_t and char32_t are supported");
-+
-+  from_chars_result_t<UC> answer;
-+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
-+  while ((first != last) && fast_float::is_space(uint8_t(*first))) {
-+    first++;
-+  }
-+#endif
-+  if (first == last) {
-+    answer.ec = std::errc::invalid_argument;
-+    answer.ptr = first;
-+    return answer;
-+  }
-+  parsed_number_string_t<UC> pns =
-+      parse_number_string<UC>(first, last, options);
-+  if (!pns.valid) {
-+    if (options.format & chars_format::no_infnan) {
-+      answer.ec = std::errc::invalid_argument;
-+      answer.ptr = first;
-+      return answer;
-+    } else {
-+      return detail::parse_infnan(first, last, value);
-+    }
-+  }
-+
-+  // call overload that takes parsed_number_string_t directly.
-+  return from_chars_advanced(pns, value);
-+}
-+
-+template <typename T, typename UC, typename>
-+FASTFLOAT_CONSTEXPR20 from_chars_result_t<UC>
-+from_chars(UC const *first, UC const *last, T &value, int base) noexcept {
-+  static_assert(is_supported_char_type<UC>(),
-+                "only char, wchar_t, char16_t and char32_t are supported");
-+
-+  from_chars_result_t<UC> answer;
-+#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default
-+  while ((first != last) && fast_float::is_space(uint8_t(*first))) {
-+    first++;
-+  }
-+#endif
-+  if (first == last || base < 2 || base > 36) {
-+    answer.ec = std::errc::invalid_argument;
-+    answer.ptr = first;
-+    return answer;
-+  }
-+  return parse_int_string(first, last, value, base);
-+}
-+
-+} // namespace fast_float
-+
-+#endif
-+
diff --git a/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch b/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
deleted file mode 100644
index b951bbac18..0000000000
--- a/meta/recipes-support/vte/vte/0005-color-parser-Use-fast_float-implementation-for-from_.patch
+++ /dev/null
@@ -1,102 +0,0 @@ 
-From 08b90d0a5bf8ceb68dd1b4e9ded0f8a2b5287a6e Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Fri, 4 Oct 2024 21:22:52 -0700
-Subject: [PATCH 5/5] color-parser: Use fast_float implementation for
- from_chars
-
-Removed dependency on c++ runtime to provide it.
-
-Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2823
-
-Upstream-Status: Submitted [https://gitlab.gnome.org/GNOME/vte/-/issues/2823#note_2239888]
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- src/color-parser.cc | 12 ++++++------
- src/termprops.hh    | 12 ++++++------
- 2 files changed, 12 insertions(+), 12 deletions(-)
-
-diff --git a/src/color-parser.cc b/src/color-parser.cc
-index 02ec5d3a..42c51966 100644
---- a/src/color-parser.cc
-+++ b/src/color-parser.cc
-@@ -17,7 +17,7 @@
- 
- #include "color-parser.hh"
- #include "color.hh"
--
-+#include "fast_float.hh"
- #include <algorithm>
- #include <cctype>
- #include <charconv>
-@@ -298,7 +298,7 @@ parse_csslike(std::string const& spec) noexcept
-                 auto value = uint64_t{};
-                 auto const start = spec.c_str() + 1;
-                 auto const end = spec.c_str() + spec.size();
--                auto const rv = std::from_chars(start, end, value, 16);
-+                auto const rv = fast_float::from_chars(start, end, value, 16);
-                 if (rv.ec != std::errc{} || rv.ptr != end)
-                         return std::nullopt;
- 
-@@ -424,7 +424,7 @@ parse_x11like(std::string const& spec) noexcept
-                 auto value = uint64_t{};
-                 auto const start = spec.c_str() + 1;
-                 auto const end = spec.c_str() + spec.size();
--                auto const rv = std::from_chars(start, end, value, 16);
-+                auto const rv = fast_float::from_chars(start, end, value, 16);
-                 if (rv.ec != std::errc{} || rv.ptr != end)
-                         return std::nullopt;
- 
-@@ -447,13 +447,13 @@ parse_x11like(std::string const& spec) noexcept
-                 // Note that the length check above makes sure that @r, @g, @b,
-                 // don't exceed @bits.
-                 auto r = UINT64_C(0), b = UINT64_C(0), g = UINT64_C(0);
--                auto rv = std::from_chars(start, end, r, 16);
-+                auto rv = fast_float::from_chars(start, end, r, 16);
-                 if (rv.ec != std::errc{} || rv.ptr == end || *rv.ptr != '/')
-                         return std::nullopt;
--                rv = std::from_chars(rv.ptr + 1, end, g, 16);
-+                rv = fast_float::from_chars(rv.ptr + 1, end, g, 16);
-                 if (rv.ec != std::errc{} || rv.ptr == end || *rv.ptr != '/')
-                         return std::nullopt;
--                rv = std::from_chars(rv.ptr + 1, end, b, 16);
-+                rv = fast_float::from_chars(rv.ptr + 1, end, b, 16);
-                 if (rv.ec != std::errc{} || rv.ptr != end)
-                         return std::nullopt;
- 
-diff --git a/src/termprops.hh b/src/termprops.hh
-index 0d3f0f4c..a10fc7d1 100644
---- a/src/termprops.hh
-+++ b/src/termprops.hh
-@@ -17,6 +17,7 @@
- 
- #include <glib.h>
- 
-+#include "fast_float.hh"
- #include "fwd.hh"
- #include "uuid.hh"
- #include "color.hh"
-@@ -355,8 +356,8 @@ inline std::optional<TermpropValue>
- parse_termprop_integral(std::string_view const& str) noexcept
- {
-         auto v = T{};
--        if (auto [ptr, err] = std::from_chars(std::begin(str),
--                                              std::end(str),
-+        if (auto [ptr, err] = fast_float::from_chars(str.data(),
-+                                              str.data()+str.size(),
-                                               v);
-             err == std::errc() && ptr == std::end(str)) {
-                 if constexpr (std::is_unsigned_v<T>) {
-@@ -389,10 +390,9 @@ inline std::optional<TermpropValue>
- parse_termprop_floating(std::string_view const& str) noexcept
- {
-         auto v = T{};
--        if (auto [ptr, err] = std::from_chars(std::begin(str),
--                                              std::end(str),
--                                              v,
--                                              std::chars_format::general);
-+        if (auto [ptr, err] = fast_float::from_chars(str.data(),
-+                                              str.data() + str.size(),
-+                                              v);
-             err == std::errc() &&
-             ptr == std::end(str) &&
-             std::isfinite(v)) {
diff --git a/meta/recipes-support/vte/vte_0.78.2.bb b/meta/recipes-support/vte/vte_0.80.3.bb
similarity index 82%
rename from meta/recipes-support/vte/vte_0.78.2.bb
rename to meta/recipes-support/vte/vte_0.80.3.bb
index 0593d16cd8..1eb95dd827 100644
--- a/meta/recipes-support/vte/vte_0.78.2.bb
+++ b/meta/recipes-support/vte/vte_0.80.3.bb
@@ -11,18 +11,15 @@  LIC_FILES_CHKSUM = " \
     file://COPYING.XTERM;md5=d7fc3a23c16c039afafe2e042030f057 \
 "
 
-DEPENDS = "glib-2.0 glib-2.0-native gtk+3 libpcre2 libxml2-native gperf-native icu lz4"
+DEPENDS = "fastfloat glib-2.0 glib-2.0-native gtk+3 libpcre2 libxml2-native gperf-native icu lz4"
 
 GIR_MESON_OPTION = 'gir'
 GIDOCGEN_MESON_OPTION = "docs"
 inherit gnomebase gi-docgen features_check upstream-version-is-even gobject-introspection systemd vala
 
-SRC_URI += "file://0001-Add-W_EXITCODE-macro-for-non-glibc-systems.patch \
-           file://0002-lib-Typo-fix.patch \
-           file://0004-fast_float-Add-single-header-library-for-from_char-i.patch \
-           file://0005-color-parser-Use-fast_float-implementation-for-from_.patch \
-           "
-SRC_URI[archive.sha256sum] = "35d7bcde07356846b4a12881c8e016705b70a9004a9082285eee5834ccc49890"
+SRC_URI += "file://0001-Add-W_EXITCODE-macro-for-non-glibc-systems.patch"
+
+SRC_URI[archive.sha256sum] = "2e596fd3fbeabb71531662224e71f6a2c37f684426136d62854627276ef4f699"
 
 ANY_OF_DISTRO_FEATURES = "${GTK3DISTROFEATURES}"
 
@@ -49,7 +46,8 @@  FILES:${PN}-gtk4-dev = "${libdir}/lib*gtk4.so \
                         ${datadir}/vala/vapi/vte-2.91-gtk4.vapi \
                         ${includedir}/vte-2.91-gtk4 \
                         "
-FILES:${PN} += "${systemd_user_unitdir}"
+FILES:${PN} += "${systemd_user_unitdir} \
+                ${datadir}/xdg-terminals"
 FILES:libvte = "${libdir}/*.so.* ${libdir}/girepository-1.0/*"
 FILES:${PN}-prompt = " \
     ${sysconfdir}/profile.d \