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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___CXX03___MATH_HYPOT_H10#define _LIBCPP___CXX03___MATH_HYPOT_H11 12#include <__cxx03/__algorithm/max.h>13#include <__cxx03/__config>14#include <__cxx03/__math/abs.h>15#include <__cxx03/__math/exponential_functions.h>16#include <__cxx03/__math/roots.h>17#include <__cxx03/__type_traits/enable_if.h>18#include <__cxx03/__type_traits/is_arithmetic.h>19#include <__cxx03/__type_traits/is_same.h>20#include <__cxx03/__type_traits/promote.h>21#include <__cxx03/__utility/pair.h>22#include <__cxx03/limits>23 24#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)25# pragma GCC system_header26#endif27 28_LIBCPP_PUSH_MACROS29#include <__cxx03/__undef_macros>30 31_LIBCPP_BEGIN_NAMESPACE_STD32 33namespace __math {34 35inline _LIBCPP_HIDE_FROM_ABI float hypot(float __x, float __y) _NOEXCEPT { return __builtin_hypotf(__x, __y); }36 37template <class = int>38_LIBCPP_HIDE_FROM_ABI double hypot(double __x, double __y) _NOEXCEPT {39 return __builtin_hypot(__x, __y);40}41 42inline _LIBCPP_HIDE_FROM_ABI long double hypot(long double __x, long double __y) _NOEXCEPT {43 return __builtin_hypotl(__x, __y);44}45 46template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>47inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type hypot(_A1 __x, _A2 __y) _NOEXCEPT {48 using __result_type = typename __promote<_A1, _A2>::type;49 static_assert(!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value), "");50 return __math::hypot((__result_type)__x, (__result_type)__y);51}52 53} // namespace __math54 55_LIBCPP_END_NAMESPACE_STD56_LIBCPP_POP_MACROS57 58#endif // _LIBCPP___CXX03___MATH_HYPOT_H59