1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include <charconv>
10 #include <string.h>
11
12 #include "include/from_chars_floating_point.h"
13 #include "include/to_chars_floating_point.h"
14
15 _LIBCPP_BEGIN_NAMESPACE_STD
16
17 #ifndef _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
18
19 namespace __itoa {
20
__u32toa(uint32_t value,char * buffer)21 _LIBCPP_EXPORTED_FROM_ABI char* __u32toa(uint32_t value, char* buffer) noexcept { return __base_10_u32(buffer, value); }
22
__u64toa(uint64_t value,char * buffer)23 _LIBCPP_EXPORTED_FROM_ABI char* __u64toa(uint64_t value, char* buffer) noexcept { return __base_10_u64(buffer, value); }
24
25 } // namespace __itoa
26
27 #endif // _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
28
29 // The original version of floating-point to_chars was written by Microsoft and
30 // contributed with the following license.
31
32 // Copyright (c) Microsoft Corporation.
33 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
34
35 // This implementation is dedicated to the memory of Mary and Thavatchai.
36
to_chars(char * __first,char * __last,float __value)37 to_chars_result to_chars(char* __first, char* __last, float __value) {
38 return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, __value, chars_format{}, 0);
39 }
40
to_chars(char * __first,char * __last,double __value)41 to_chars_result to_chars(char* __first, char* __last, double __value) {
42 return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, __value, chars_format{}, 0);
43 }
44
to_chars(char * __first,char * __last,long double __value)45 to_chars_result to_chars(char* __first, char* __last, long double __value) {
46 return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(
47 __first, __last, static_cast<double>(__value), chars_format{}, 0);
48 }
49
to_chars(char * __first,char * __last,float __value,chars_format __fmt)50 to_chars_result to_chars(char* __first, char* __last, float __value, chars_format __fmt) {
51 return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, __value, __fmt, 0);
52 }
53
to_chars(char * __first,char * __last,double __value,chars_format __fmt)54 to_chars_result to_chars(char* __first, char* __last, double __value, chars_format __fmt) {
55 return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, __value, __fmt, 0);
56 }
57
to_chars(char * __first,char * __last,long double __value,chars_format __fmt)58 to_chars_result to_chars(char* __first, char* __last, long double __value, chars_format __fmt) {
59 return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(
60 __first, __last, static_cast<double>(__value), __fmt, 0);
61 }
62
to_chars(char * __first,char * __last,float __value,chars_format __fmt,int __precision)63 to_chars_result to_chars(char* __first, char* __last, float __value, chars_format __fmt, int __precision) {
64 return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(
65 __first, __last, __value, __fmt, __precision);
66 }
67
to_chars(char * __first,char * __last,double __value,chars_format __fmt,int __precision)68 to_chars_result to_chars(char* __first, char* __last, double __value, chars_format __fmt, int __precision) {
69 return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(
70 __first, __last, __value, __fmt, __precision);
71 }
72
to_chars(char * __first,char * __last,long double __value,chars_format __fmt,int __precision)73 to_chars_result to_chars(char* __first, char* __last, long double __value, chars_format __fmt, int __precision) {
74 return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(
75 __first, __last, static_cast<double>(__value), __fmt, __precision);
76 }
77
78 template <class _Fp>
__from_chars_floating_point(_LIBCPP_NOESCAPE const char * __first,_LIBCPP_NOESCAPE const char * __last,chars_format __fmt)79 __from_chars_result<_Fp> __from_chars_floating_point(
80 _LIBCPP_NOESCAPE const char* __first, _LIBCPP_NOESCAPE const char* __last, chars_format __fmt) {
81 return std::__from_chars_floating_point_impl<_Fp>(__first, __last, __fmt);
82 }
83
84 template __from_chars_result<float> __from_chars_floating_point(
85 _LIBCPP_NOESCAPE const char* __first, _LIBCPP_NOESCAPE const char* __last, chars_format __fmt);
86
87 template __from_chars_result<double> __from_chars_floating_point(
88 _LIBCPP_NOESCAPE const char* __first, _LIBCPP_NOESCAPE const char* __last, chars_format __fmt);
89 _LIBCPP_END_NAMESPACE_STD
90