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#ifndef _LIBCPP___MATH_ERROR_FUNCTIONS_H
10#define _LIBCPP___MATH_ERROR_FUNCTIONS_H
11
12#include <__config>
13#include <__type_traits/enable_if.h>
14#include <__type_traits/is_integral.h>
15
16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17# pragma GCC system_header
18#endif
19
20_LIBCPP_BEGIN_NAMESPACE_STD
21
22namespace __math {
23
24// erf
25
26inline _LIBCPP_HIDE_FROM_ABI float erf(float __x) _NOEXCEPT { return __builtin_erff(__x); }
27
28template <class = int>
29_LIBCPP_HIDE_FROM_ABI double erf(double __x) _NOEXCEPT {
30 return __builtin_erf(__x);
31}
32
33inline _LIBCPP_HIDE_FROM_ABI long double erf(long double __x) _NOEXCEPT { return __builtin_erfl(__x); }
34
35template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
36inline _LIBCPP_HIDE_FROM_ABI double erf(_A1 __x) _NOEXCEPT {
37 return __builtin_erf((double)__x);
38}
39
40// erfc
41
42inline _LIBCPP_HIDE_FROM_ABI float erfc(float __x) _NOEXCEPT { return __builtin_erfcf(__x); }
43
44template <class = int>
45_LIBCPP_HIDE_FROM_ABI double erfc(double __x) _NOEXCEPT {
46 return __builtin_erfc(__x);
47}
48
49inline _LIBCPP_HIDE_FROM_ABI long double erfc(long double __x) _NOEXCEPT { return __builtin_erfcl(__x); }
50
51template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
52inline _LIBCPP_HIDE_FROM_ABI double erfc(_A1 __x) _NOEXCEPT {
53 return __builtin_erfc((double)__x);
54}
55
56} // namespace __math
57
58_LIBCPP_END_NAMESPACE_STD
59
60#endif // _LIBCPP___MATH_ERROR_FUNCTIONS_H
61