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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___MATH_MIN_MAX_H10#define _LIBCPP___MATH_MIN_MAX_H11 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_header20#endif21 22_LIBCPP_BEGIN_NAMESPACE_STD23 24namespace __math {25 26// fmax27 28[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI float fmax(float __x, float __y) _NOEXCEPT {29 return __builtin_fmaxf(__x, __y);30}31 32template <class = int>33[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI double fmax(double __x, double __y) _NOEXCEPT {34 return __builtin_fmax(__x, __y);35}36 37[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double fmax(long double __x, long double __y) _NOEXCEPT {38 return __builtin_fmaxl(__x, __y);39}40 41template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>42[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI __promote_t<_A1, _A2> fmax(_A1 __x, _A2 __y) _NOEXCEPT {43 using __result_type = __promote_t<_A1, _A2>;44 static_assert(!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value), "");45 return __math::fmax((__result_type)__x, (__result_type)__y);46}47 48// fmin49 50[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI float fmin(float __x, float __y) _NOEXCEPT {51 return __builtin_fminf(__x, __y);52}53 54template <class = int>55[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI double fmin(double __x, double __y) _NOEXCEPT {56 return __builtin_fmin(__x, __y);57}58 59[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double fmin(long double __x, long double __y) _NOEXCEPT {60 return __builtin_fminl(__x, __y);61}62 63template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>64[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI __promote_t<_A1, _A2> fmin(_A1 __x, _A2 __y) _NOEXCEPT {65 using __result_type = __promote_t<_A1, _A2>;66 static_assert(!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value), "");67 return __math::fmin((__result_type)__x, (__result_type)__y);68}69 70} // namespace __math71 72_LIBCPP_END_NAMESPACE_STD73 74#endif // _LIBCPP___MATH_MIN_MAX_H75