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
24 namespace __math {
25
26 // fmod
27
fmod(float __x,float __y)28 inline _LIBCPP_HIDE_FROM_ABI float fmod(float __x, float __y) _NOEXCEPT { return __builtin_fmodf(__x, __y); }
29
30 template <class = int>
fmod(double __x,double __y)31 _LIBCPP_HIDE_FROM_ABI double fmod(double __x, double __y) _NOEXCEPT {
32 return __builtin_fmod(__x, __y);
33 }
34
fmod(long double __x,long double __y)35 inline _LIBCPP_HIDE_FROM_ABI long double fmod(long double __x, long double __y) _NOEXCEPT {
36 return __builtin_fmodl(__x, __y);
37 }
38
39 template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
fmod(_A1 __x,_A2 __y)40 inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type fmod(_A1 __x, _A2 __y) _NOEXCEPT {
41 using __result_type = typename __promote<_A1, _A2>::type;
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
modf(float __x,float * __y)48 inline _LIBCPP_HIDE_FROM_ABI float modf(float __x, float* __y) _NOEXCEPT { return __builtin_modff(__x, __y); }
49
50 template <class = int>
modf(double __x,double * __y)51 _LIBCPP_HIDE_FROM_ABI double modf(double __x, double* __y) _NOEXCEPT {
52 return __builtin_modf(__x, __y);
53 }
54
modf(long double __x,long double * __y)55 inline _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