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_MIN_MAX_H 10#define _LIBCPP___MATH_MIN_MAX_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 24namespace __math { 25 26// fmax 27 28_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI float fmax(float __x, float __y) _NOEXCEPT { 29 return __builtin_fmaxf(__x, __y); 30} 31 32template <class = int> 33_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI double fmax(double __x, double __y) _NOEXCEPT { 34 return __builtin_fmax(__x, __y); 35} 36 37_LIBCPP_NODISCARD_EXT 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_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type fmax(_A1 __x, _A2 __y) _NOEXCEPT { 43 using __result_type = typename __promote<_A1, _A2>::type; 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// fmin 49 50_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI float fmin(float __x, float __y) _NOEXCEPT { 51 return __builtin_fminf(__x, __y); 52} 53 54template <class = int> 55_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI double fmin(double __x, double __y) _NOEXCEPT { 56 return __builtin_fmin(__x, __y); 57} 58 59_LIBCPP_NODISCARD_EXT 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_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type fmin(_A1 __x, _A2 __y) _NOEXCEPT { 65 using __result_type = typename __promote<_A1, _A2>::type; 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 __math 71 72_LIBCPP_END_NAMESPACE_STD 73 74#endif // _LIBCPP___MATH_MIN_MAX_H 75