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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
- } // namespace std
- */
- #include <__assert> // all public C++ headers provide the assertion handler
- #include <__charconv/chars_format.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>
- #include <__config>
- #include <__system_error/errc.h>
- #include <cmath> // for log2f
- #include <cstdint>
- #include <limits>
- #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 <concepts>
- # include <cstdlib>
- # include <cstring>
- # include <iosfwd>
- # include <type_traits>
- #endif
- #endif // _LIBCPP_CHARCONV
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