1*5f757f3fSDimitry Andric //===----------------------------------------------------------------------===// 2*5f757f3fSDimitry Andric // 3*5f757f3fSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*5f757f3fSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*5f757f3fSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*5f757f3fSDimitry Andric // 7*5f757f3fSDimitry Andric //===----------------------------------------------------------------------===// 8*5f757f3fSDimitry Andric 9*5f757f3fSDimitry Andric #ifndef _LIBCPP___MATH_HYPOT_H 10*5f757f3fSDimitry Andric #define _LIBCPP___MATH_HYPOT_H 11*5f757f3fSDimitry Andric 12*5f757f3fSDimitry Andric #include <__config> 13*5f757f3fSDimitry Andric #include <__type_traits/enable_if.h> 14*5f757f3fSDimitry Andric #include <__type_traits/is_arithmetic.h> 15*5f757f3fSDimitry Andric #include <__type_traits/is_same.h> 16*5f757f3fSDimitry Andric #include <__type_traits/promote.h> 17*5f757f3fSDimitry Andric 18*5f757f3fSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19*5f757f3fSDimitry Andric # pragma GCC system_header 20*5f757f3fSDimitry Andric #endif 21*5f757f3fSDimitry Andric 22*5f757f3fSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 23*5f757f3fSDimitry Andric 24*5f757f3fSDimitry Andric namespace __math { 25*5f757f3fSDimitry Andric 26*5f757f3fSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI float hypot(float __x, float __y) _NOEXCEPT { return __builtin_hypotf(__x, __y); } 27*5f757f3fSDimitry Andric 28*5f757f3fSDimitry Andric template <class = int> 29*5f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI double hypot(double __x, double __y) _NOEXCEPT { 30*5f757f3fSDimitry Andric return __builtin_hypot(__x, __y); 31*5f757f3fSDimitry Andric } 32*5f757f3fSDimitry Andric 33*5f757f3fSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI long double hypot(long double __x, long double __y) _NOEXCEPT { 34*5f757f3fSDimitry Andric return __builtin_hypotl(__x, __y); 35*5f757f3fSDimitry Andric } 36*5f757f3fSDimitry Andric 37*5f757f3fSDimitry Andric template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0> 38*5f757f3fSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type hypot(_A1 __x, _A2 __y) _NOEXCEPT { 39*5f757f3fSDimitry Andric using __result_type = typename __promote<_A1, _A2>::type; 40*5f757f3fSDimitry Andric static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), ""); 41*5f757f3fSDimitry Andric return __math::hypot((__result_type)__x, (__result_type)__y); 42*5f757f3fSDimitry Andric } 43*5f757f3fSDimitry Andric 44*5f757f3fSDimitry Andric } // namespace __math 45*5f757f3fSDimitry Andric 46*5f757f3fSDimitry Andric _LIBCPP_END_NAMESPACE_STD 47*5f757f3fSDimitry Andric 48*5f757f3fSDimitry Andric #endif // _LIBCPP___MATH_HYPOT_H 49