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_MODULO_H
10#define _LIBCPP___MATH_MODULO_H
11
12#include <__config>
13#include <__type_traits/enable_if.h>
14#include <__type_traits/is_arithmetic.h>
15#include <__type_traits/is_same.h>
16#include <__type_traits/promote.h>
17
18#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
19# pragma GCC system_header
20#endif
21
22_LIBCPP_BEGIN_NAMESPACE_STD
23
24namespace __math {
25
26// fmod
27
28inline _LIBCPP_HIDE_FROM_ABI float fmod(float __x, float __y) _NOEXCEPT { return __builtin_fmodf(__x, __y); }
29
30template <class = int>
31_LIBCPP_HIDE_FROM_ABI double fmod(double __x, double __y) _NOEXCEPT {
32 return __builtin_fmod(__x, __y);
33}
34
35inline _LIBCPP_HIDE_FROM_ABI long double fmod(long double __x, long double __y) _NOEXCEPT {
36 return __builtin_fmodl(__x, __y);
37}
38
39template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
40inline _LIBCPP_HIDE_FROM_ABI __promote_t<_A1, _A2> fmod(_A1 __x, _A2 __y) _NOEXCEPT {
41 using __result_type = __promote_t<_A1, _A2>;
42 static_assert(!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value), "");
43 return __math::fmod((__result_type)__x, (__result_type)__y);
44}
45
46// modf
47
48inline _LIBCPP_HIDE_FROM_ABI float modf(float __x, float* __y) _NOEXCEPT { return __builtin_modff(__x, __y); }
49
50template <class = int>
51_LIBCPP_HIDE_FROM_ABI double modf(double __x, double* __y) _NOEXCEPT {
52 return __builtin_modf(__x, __y);
53}
54
55inline _LIBCPP_HIDE_FROM_ABI long double modf(long double __x, long double* __y) _NOEXCEPT {
56 return __builtin_modfl(__x, __y);
57}
58
59} // namespace __math
60
61_LIBCPP_END_NAMESPACE_STD
62
63#endif // _LIBCPP___MATH_MODULO_H
64