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/to_chars_floating_point.h"
13 
14 _LIBCPP_BEGIN_NAMESPACE_STD
15 
16 #ifndef _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
17 
18 namespace __itoa
19 {
20 
21 _LIBCPP_FUNC_VIS char*
22 __u32toa(uint32_t value, char* buffer) noexcept
23 {
24 	return __base_10_u32(buffer, value);
25 }
26 
27 _LIBCPP_FUNC_VIS char*
28 __u64toa(uint64_t value, char* buffer) noexcept
29 {
30 	return __base_10_u64(buffer, value);
31 }
32 
33 }  // namespace __itoa
34 
35 #endif // _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
36 
37 // The original version of floating-point to_chars was written by Microsoft and
38 // contributed with the following license.
39 
40 // Copyright (c) Microsoft Corporation.
41 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
42 
43 // This implementation is dedicated to the memory of Mary and Thavatchai.
44 
45 to_chars_result to_chars(char* __first, char* __last, float __value) {
46   return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, __value, chars_format{}, 0);
47 }
48 
49 to_chars_result to_chars(char* __first, char* __last, double __value) {
50   return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, __value, chars_format{}, 0);
51 }
52 
53 to_chars_result to_chars(char* __first, char* __last, long double __value) {
54   return _Floating_to_chars<_Floating_to_chars_overload::_Plain>(__first, __last, static_cast<double>(__value),
55                                                                  chars_format{}, 0);
56 }
57 
58 to_chars_result to_chars(char* __first, char* __last, float __value, chars_format __fmt) {
59   return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, __value, __fmt, 0);
60 }
61 
62 to_chars_result to_chars(char* __first, char* __last, double __value, chars_format __fmt) {
63   return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, __value, __fmt, 0);
64 }
65 
66 to_chars_result to_chars(char* __first, char* __last, long double __value, chars_format __fmt) {
67   return _Floating_to_chars<_Floating_to_chars_overload::_Format_only>(__first, __last, static_cast<double>(__value),
68                                                                        __fmt, 0);
69 }
70 
71 to_chars_result to_chars(char* __first, char* __last, float __value, chars_format __fmt, int __precision) {
72   return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(__first, __last, __value, __fmt,
73                                                                             __precision);
74 }
75 
76 to_chars_result to_chars(char* __first, char* __last, double __value, chars_format __fmt, int __precision) {
77   return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(__first, __last, __value, __fmt,
78                                                                             __precision);
79 }
80 
81 to_chars_result to_chars(char* __first, char* __last, long double __value, chars_format __fmt, int __precision) {
82   return _Floating_to_chars<_Floating_to_chars_overload::_Format_precision>(
83       __first, __last, static_cast<double>(__value), __fmt, __precision);
84 }
85 
86 _LIBCPP_END_NAMESPACE_STD
87