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_REMAINDER_H
10 #define _LIBCPP___MATH_REMAINDER_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 #include <limits>
18 
19 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
20 #  pragma GCC system_header
21 #endif
22 
23 _LIBCPP_BEGIN_NAMESPACE_STD
24 
25 namespace __math {
26 
27 // remainder
28 
29 inline _LIBCPP_HIDE_FROM_ABI float remainder(float __x, float __y) _NOEXCEPT { return __builtin_remainderf(__x, __y); }
30 
31 template <class = int>
32 _LIBCPP_HIDE_FROM_ABI double remainder(double __x, double __y) _NOEXCEPT {
33   return __builtin_remainder(__x, __y);
34 }
35 
36 inline _LIBCPP_HIDE_FROM_ABI long double remainder(long double __x, long double __y) _NOEXCEPT {
37   return __builtin_remainderl(__x, __y);
38 }
39 
40 template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
41 inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type remainder(_A1 __x, _A2 __y) _NOEXCEPT {
42   using __result_type = typename __promote<_A1, _A2>::type;
43   static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
44   return __math::remainder((__result_type)__x, (__result_type)__y);
45 }
46 
47 // remquo
48 
49 inline _LIBCPP_HIDE_FROM_ABI float remquo(float __x, float __y, int* __z) _NOEXCEPT {
50   return __builtin_remquof(__x, __y, __z);
51 }
52 
53 template <class = int>
54 _LIBCPP_HIDE_FROM_ABI double remquo(double __x, double __y, int* __z) _NOEXCEPT {
55   return __builtin_remquo(__x, __y, __z);
56 }
57 
58 inline _LIBCPP_HIDE_FROM_ABI long double remquo(long double __x, long double __y, int* __z) _NOEXCEPT {
59   return __builtin_remquol(__x, __y, __z);
60 }
61 
62 template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
63 inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type remquo(_A1 __x, _A2 __y, int* __z) _NOEXCEPT {
64   using __result_type = typename __promote<_A1, _A2>::type;
65   static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
66   return __math::remquo((__result_type)__x, (__result_type)__y, __z);
67 }
68 
69 } // namespace __math
70 
71 _LIBCPP_END_NAMESPACE_STD
72 
73 #endif // _LIBCPP___MATH_REMAINDER_H
74