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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CHARCONV
#define _LIBCPP_CHARCONV
/*
charconv synopsis
namespace std {
// floating-point format for primitive numerical conversion
enum class chars_format {
scientific = unspecified,
fixed = unspecified,
hex = unspecified,
general = fixed | scientific
};
// 23.20.2, primitive numerical output conversion
struct to_chars_result {
char* ptr;
errc ec;
friend bool operator==(const to_chars_result&, const to_chars_result&) = default; // since C++20
constexpr explicit operator bool() const noexcept { return ec == errc{}; } // since C++26
};
constexpr to_chars_result to_chars(char* first, char* last, see below value,
int base = 10); // constexpr since C++23
to_chars_result to_chars(char* first, char* last, bool value,
int base = 10) = delete;
to_chars_result to_chars(char* first, char* last, float value);
to_chars_result to_chars(char* first, char* last, double value);
to_chars_result to_chars(char* first, char* last, long double value);
to_chars_result to_chars(char* first, char* last, float value,
chars_format fmt);
to_chars_result to_chars(char* first, char* last, double value,
chars_format fmt);
to_chars_result to_chars(char* first, char* last, long double value,
chars_format fmt);
to_chars_result to_chars(char* first, char* last, float value,
chars_format fmt, int precision);
to_chars_result to_chars(char* first, char* last, double value,
chars_format fmt, int precision);
to_chars_result to_chars(char* first, char* last, long double value,
chars_format fmt, int precision);
// 23.20.3, primitive numerical input conversion
struct from_chars_result {
const char* ptr;
errc ec;
friend bool operator==(const from_chars_result&, const from_chars_result&) = default; // since C++20
constexpr explicit operator bool() const noexcept { return ec == errc{}; } // since C++26
};
constexpr from_chars_result from_chars(const char* first, const char* last,
see below& value, int base = 10); // constexpr since C++23
from_chars_result from_chars(const char* first, const char* last,
float& value, chars_format fmt);
from_chars_result from_chars(const char* first, const char* last,
double& value, chars_format fmt);
} // namespace std
*/
#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
# include <__cxx03/charconv>
#else
# include <__config>
# if _LIBCPP_STD_VER >= 17
# include <__charconv/chars_format.h>
# include <__charconv/from_chars_floating_point.h>
# include <__charconv/from_chars_integral.h>
# include <__charconv/from_chars_result.h>
# include <__charconv/tables.h>
# include <__charconv/to_chars.h>
# include <__charconv/to_chars_base_10.h>
# include <__charconv/to_chars_floating_point.h>
# include <__charconv/to_chars_integral.h>
# include <__charconv/to_chars_result.h>
# include <__charconv/traits.h>
# endif // _LIBCPP_STD_VER >= 17
# include <version>
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# endif
_LIBCPP_BEGIN_NAMESPACE_STD
_LIBCPP_END_NAMESPACE_STD
# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <cmath>
# include <concepts>
# include <cstddef>
# include <cstdint>
# include <cstdlib>
# include <cstring>
# include <iosfwd>
# include <limits>
# include <new>
# include <type_traits>
# endif
#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
#endif // _LIBCPP_CHARCONV
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