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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/contrib/llvm-project/libcxx/include/__math/min_max.h
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//===----------------------------------------------------------------------===//

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//

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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

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// See https://llvm.org/LICENSE.txt for license information.

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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

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//

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//===----------------------------------------------------------------------===//

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#ifndef _LIBCPP___MATH_MIN_MAX_H

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#define _LIBCPP___MATH_MIN_MAX_H

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#include <__config>

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#include <__type_traits/enable_if.h>

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#include <__type_traits/is_arithmetic.h>

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#include <__type_traits/is_same.h>

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#include <__type_traits/promote.h>

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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)

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#  pragma GCC system_header

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#endif

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_LIBCPP_BEGIN_NAMESPACE_STD

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namespace __math {

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// fmax

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_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI float fmax(float __x, float __y) _NOEXCEPT {

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  return __builtin_fmaxf(__x, __y);

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}

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template <class = int>

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_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI double fmax(double __x, double __y) _NOEXCEPT {

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  return __builtin_fmax(__x, __y);

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}

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_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long double fmax(long double __x, long double __y) _NOEXCEPT {

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  return __builtin_fmaxl(__x, __y);

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}

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template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>

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_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type fmax(_A1 __x, _A2 __y) _NOEXCEPT {

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  using __result_type = typename __promote<_A1, _A2>::type;

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  static_assert(!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value), "");

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  return __math::fmax((__result_type)__x, (__result_type)__y);

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}

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// fmin

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_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI float fmin(float __x, float __y) _NOEXCEPT {

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  return __builtin_fminf(__x, __y);

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}

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template <class = int>

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_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI double fmin(double __x, double __y) _NOEXCEPT {

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  return __builtin_fmin(__x, __y);

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}

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_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long double fmin(long double __x, long double __y) _NOEXCEPT {

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  return __builtin_fminl(__x, __y);

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}

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template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>

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_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type fmin(_A1 __x, _A2 __y) _NOEXCEPT {

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  using __result_type = typename __promote<_A1, _A2>::type;

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  static_assert(!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value), "");

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  return __math::fmin((__result_type)__x, (__result_type)__y);

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}

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} // namespace __math

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_LIBCPP_END_NAMESPACE_STD

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#endif // _LIBCPP___MATH_MIN_MAX_H

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