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 28 inline _LIBCPP_HIDE_FROM_ABI float fmod(float __x, float __y) _NOEXCEPT { return __builtin_fmodf(__x, __y); } 29 30 template <class = int> 31 _LIBCPP_HIDE_FROM_ABI double fmod(double __x, double __y) _NOEXCEPT { 32 return __builtin_fmod(__x, __y); 33 } 34 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> 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 48 inline _LIBCPP_HIDE_FROM_ABI float modf(float __x, float* __y) _NOEXCEPT { return __builtin_modff(__x, __y); } 49 50 template <class = int> 51 _LIBCPP_HIDE_FROM_ABI double modf(double __x, double* __y) _NOEXCEPT { 52 return __builtin_modf(__x, __y); 53 } 54 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