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5d4439cc3e
release/17.x branch, commit 8f4dd44097c9ae25dd203d5ac87f3b48f854bba8 This adds the flag `-D_LIBCPP_PSTL_CPU_BACKEND_SERIAL`. A future enhancement could possibly pass something different if there is a compelling parallel implementation. That libdispatch one might be worth looking into.
87 lines
3.4 KiB
C++
Vendored
87 lines
3.4 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <charconv>
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#include <string.h>
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#include "include/to_chars_floating_point.h"
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_LIBCPP_BEGIN_NAMESPACE_STD
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#ifndef _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
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namespace __itoa
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{
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_LIBCPP_EXPORTED_FROM_ABI char*
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__u32toa(uint32_t value, char* buffer) noexcept
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{
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return __base_10_u32(buffer, value);
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}
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_LIBCPP_EXPORTED_FROM_ABI char*
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__u64toa(uint64_t value, char* buffer) noexcept
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{
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return __base_10_u64(buffer, value);
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}
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} // namespace __itoa
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#endif // _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
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// The original version of floating-point to_chars was written by Microsoft and
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// contributed with the following license.
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// Copyright (c) Microsoft Corporation.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// This implementation is dedicated to the memory of Mary and Thavatchai.
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to_chars_result to_chars(char* __first, char* __last, float __value) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, __value, chars_format{}, 0);
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}
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to_chars_result to_chars(char* __first, char* __last, double __value) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, __value, chars_format{}, 0);
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}
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to_chars_result to_chars(char* __first, char* __last, long double __value) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, static_cast<double>(__value),
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chars_format{}, 0);
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}
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to_chars_result to_chars(char* __first, char* __last, float __value, chars_format __fmt) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, __value, __fmt, 0);
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}
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to_chars_result to_chars(char* __first, char* __last, double __value, chars_format __fmt) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, __value, __fmt, 0);
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}
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to_chars_result to_chars(char* __first, char* __last, long double __value, chars_format __fmt) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, static_cast<double>(__value),
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__fmt, 0);
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}
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to_chars_result to_chars(char* __first, char* __last, float __value, chars_format __fmt, int __precision) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(__first, __last, __value, __fmt,
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__precision);
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}
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to_chars_result to_chars(char* __first, char* __last, double __value, chars_format __fmt, int __precision) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(__first, __last, __value, __fmt,
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__precision);
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}
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to_chars_result to_chars(char* __first, char* __last, long double __value, chars_format __fmt, int __precision) {
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return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(
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__first, __last, static_cast<double>(__value), __fmt, __precision);
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}
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_LIBCPP_END_NAMESPACE_STD
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