256 lines
14 KiB
C++
256 lines
14 KiB
C++
// Copyright 2022 Peter Dimov
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// Copyright 2023 Matt Borland
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#ifndef BOOST_CHARCONV_FROM_CHARS_HPP_INCLUDED
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#define BOOST_CHARCONV_FROM_CHARS_HPP_INCLUDED
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#include <boost/charconv/detail/config.hpp>
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#include <boost/charconv/detail/from_chars_result.hpp>
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#include <boost/charconv/detail/from_chars_integer_impl.hpp>
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#include <boost/charconv/detail/bit_layouts.hpp>
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#include <boost/charconv/config.hpp>
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#include <boost/charconv/chars_format.hpp>
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#include <boost/core/detail/string_view.hpp>
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#include <system_error>
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namespace boost { namespace charconv {
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// integer overloads
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, bool& value, int base = 10) noexcept = delete;
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, char& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, signed char& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, unsigned char& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, short& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, unsigned short& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, int& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, unsigned int& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, long& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, unsigned long& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, long long& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, unsigned long long& value, int base = 10) noexcept
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{
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return detail::from_chars(first, last, value, base);
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}
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#ifdef BOOST_CHARCONV_HAS_INT128
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, boost::int128_type& value, int base = 10) noexcept
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{
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return detail::from_chars128(first, last, value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(const char* first, const char* last, boost::uint128_type& value, int base = 10) noexcept
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{
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return detail::from_chars128(first, last, value, base);
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}
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#endif
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, bool& value, int base = 10) noexcept = delete;
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, char& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, signed char& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, unsigned char& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, short& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, unsigned short& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, int& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, unsigned int& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, long& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, unsigned long& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, long long& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, unsigned long long& value, int base = 10) noexcept
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{
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return detail::from_chars(sv.data(), sv.data() + sv.size(), value, base);
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}
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#ifdef BOOST_CHARCONV_HAS_INT128
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, boost::int128_type& value, int base = 10) noexcept
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{
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return detail::from_chars128(sv.data(), sv.data() + sv.size(), value, base);
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}
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BOOST_CHARCONV_GCC5_CONSTEXPR from_chars_result from_chars(boost::core::string_view sv, boost::uint128_type& value, int base = 10) noexcept
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{
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return detail::from_chars128(sv.data(), sv.data() + sv.size(), value, base);
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}
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#endif
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//----------------------------------------------------------------------------------------------------------------------
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// Floating Point
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//----------------------------------------------------------------------------------------------------------------------
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, float& value, chars_format fmt = chars_format::general) noexcept;
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, double& value, chars_format fmt = chars_format::general) noexcept;
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#ifndef BOOST_CHARCONV_UNSUPPORTED_LONG_DOUBLE
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, long double& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_QUADMATH
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, __float128& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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// <stdfloat> types
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#ifdef BOOST_CHARCONV_HAS_FLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, std::float16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT32
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, std::float32_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT64
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, std::float64_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#if defined(BOOST_CHARCONV_HAS_STDFLOAT128) && defined(BOOST_CHARCONV_HAS_QUADMATH)
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, std::float128_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_BRAINFLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(const char* first, const char* last, std::bfloat16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, float& value, chars_format fmt = chars_format::general) noexcept;
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, double& value, chars_format fmt = chars_format::general) noexcept;
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#ifndef BOOST_CHARCONV_UNSUPPORTED_LONG_DOUBLE
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, long double& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT128
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, __float128& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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// <stdfloat> types
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#ifdef BOOST_CHARCONV_HAS_FLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, std::float16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT32
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, std::float32_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT64
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, std::float64_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#if defined(BOOST_CHARCONV_HAS_STDFLOAT128) && defined(BOOST_CHARCONV_HAS_FLOAT128)
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, std::float128_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_BRAINFLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars_erange(boost::core::string_view sv, std::bfloat16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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// The following adhere to the standard library definition with std::errc::result_out_of_range
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// Returns value unmodified
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// See: https://github.com/cppalliance/charconv/issues/110
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, float& value, chars_format fmt = chars_format::general) noexcept;
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, double& value, chars_format fmt = chars_format::general) noexcept;
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#ifndef BOOST_CHARCONV_UNSUPPORTED_LONG_DOUBLE
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, long double& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT128
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, __float128& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, std::float16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT32
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, std::float32_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT64
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, std::float64_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#if defined(BOOST_CHARCONV_HAS_STDFLOAT128) && defined(BOOST_CHARCONV_HAS_FLOAT128)
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, std::float128_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_BRAINFLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars(const char* first, const char* last, std::bfloat16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, float& value, chars_format fmt = chars_format::general) noexcept;
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, double& value, chars_format fmt = chars_format::general) noexcept;
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#ifndef BOOST_CHARCONV_UNSUPPORTED_LONG_DOUBLE
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, long double& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT128
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, __float128& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, std::float16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT32
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, std::float32_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_FLOAT64
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, std::float64_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#if defined(BOOST_CHARCONV_HAS_STDFLOAT128) && defined(BOOST_CHARCONV_HAS_FLOAT128)
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, std::float128_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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#ifdef BOOST_CHARCONV_HAS_BRAINFLOAT16
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BOOST_CHARCONV_DECL from_chars_result from_chars(boost::core::string_view sv, std::bfloat16_t& value, chars_format fmt = chars_format::general) noexcept;
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#endif
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} // namespace charconv
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} // namespace boost
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#endif // #ifndef BOOST_CHARCONV_FROM_CHARS_HPP_INCLUDED
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