15f757f3fSDimitry Andric //===----------------------------------------------------------------------===// 25f757f3fSDimitry Andric // 35f757f3fSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 45f757f3fSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 55f757f3fSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65f757f3fSDimitry Andric // 75f757f3fSDimitry Andric //===----------------------------------------------------------------------===// 85f757f3fSDimitry Andric 95f757f3fSDimitry Andric #ifndef _LIBCPP___MATH_FMA_H 105f757f3fSDimitry Andric #define _LIBCPP___MATH_FMA_H 115f757f3fSDimitry Andric 125f757f3fSDimitry Andric #include <__config> 135f757f3fSDimitry Andric #include <__type_traits/enable_if.h> 145f757f3fSDimitry Andric #include <__type_traits/is_arithmetic.h> 155f757f3fSDimitry Andric #include <__type_traits/is_same.h> 165f757f3fSDimitry Andric #include <__type_traits/promote.h> 175f757f3fSDimitry Andric 185f757f3fSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 195f757f3fSDimitry Andric # pragma GCC system_header 205f757f3fSDimitry Andric #endif 215f757f3fSDimitry Andric 225f757f3fSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 235f757f3fSDimitry Andric 245f757f3fSDimitry Andric namespace __math { 255f757f3fSDimitry Andric 265f757f3fSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI float fma(float __x, float __y, float __z) _NOEXCEPT { 275f757f3fSDimitry Andric return __builtin_fmaf(__x, __y, __z); 285f757f3fSDimitry Andric } 295f757f3fSDimitry Andric 305f757f3fSDimitry Andric template <class = int> 315f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI double fma(double __x, double __y, double __z) _NOEXCEPT { 325f757f3fSDimitry Andric return __builtin_fma(__x, __y, __z); 335f757f3fSDimitry Andric } 345f757f3fSDimitry Andric 355f757f3fSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI long double fma(long double __x, long double __y, long double __z) _NOEXCEPT { 365f757f3fSDimitry Andric return __builtin_fmal(__x, __y, __z); 375f757f3fSDimitry Andric } 385f757f3fSDimitry Andric 395f757f3fSDimitry Andric template <class _A1, 405f757f3fSDimitry Andric class _A2, 415f757f3fSDimitry Andric class _A3, 425f757f3fSDimitry Andric __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value && is_arithmetic<_A3>::value, int> = 0> 435f757f3fSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2, _A3>::type fma(_A1 __x, _A2 __y, _A3 __z) _NOEXCEPT { 445f757f3fSDimitry Andric using __result_type = typename __promote<_A1, _A2, _A3>::type; 45*0fca6ea1SDimitry Andric static_assert( 46*0fca6ea1SDimitry Andric !(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value && _IsSame<_A3, __result_type>::value), 475f757f3fSDimitry Andric ""); 485f757f3fSDimitry Andric return __builtin_fma((__result_type)__x, (__result_type)__y, (__result_type)__z); 495f757f3fSDimitry Andric } 505f757f3fSDimitry Andric 515f757f3fSDimitry Andric } // namespace __math 525f757f3fSDimitry Andric 535f757f3fSDimitry Andric _LIBCPP_END_NAMESPACE_STD 545f757f3fSDimitry Andric 555f757f3fSDimitry Andric #endif // _LIBCPP___MATH_FMA_H 56