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