15f757f3fSDimitry Andric //===----------------------------------------------------------------------===// 25f757f3fSDimitry Andric // 35f757f3fSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 45f757f3fSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 55f757f3fSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65f757f3fSDimitry Andric // 75f757f3fSDimitry Andric //===----------------------------------------------------------------------===// 85f757f3fSDimitry Andric 95f757f3fSDimitry Andric #ifndef _LIBCPP___MATH_ABS_H 105f757f3fSDimitry Andric #define _LIBCPP___MATH_ABS_H 115f757f3fSDimitry Andric 125f757f3fSDimitry Andric #include <__config> 135f757f3fSDimitry Andric #include <__type_traits/enable_if.h> 145f757f3fSDimitry Andric #include <__type_traits/is_integral.h> 155f757f3fSDimitry Andric 165f757f3fSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 175f757f3fSDimitry Andric # pragma GCC system_header 185f757f3fSDimitry Andric #endif 195f757f3fSDimitry Andric 205f757f3fSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 215f757f3fSDimitry Andric 225f757f3fSDimitry Andric namespace __math { 235f757f3fSDimitry Andric 245f757f3fSDimitry Andric // fabs 255f757f3fSDimitry Andric 26*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI float fabs(float __x) _NOEXCEPT { return __builtin_fabsf(__x); } 275f757f3fSDimitry Andric 285f757f3fSDimitry Andric template <class = int> 29*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI double fabs(double __x) _NOEXCEPT { 305f757f3fSDimitry Andric return __builtin_fabs(__x); 315f757f3fSDimitry Andric } 325f757f3fSDimitry Andric 33*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long double fabs(long double __x) _NOEXCEPT { 345f757f3fSDimitry Andric return __builtin_fabsl(__x); 355f757f3fSDimitry Andric } 365f757f3fSDimitry Andric 375f757f3fSDimitry Andric template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 38*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI double fabs(_A1 __x) _NOEXCEPT { 395f757f3fSDimitry Andric return __builtin_fabs((double)__x); 405f757f3fSDimitry Andric } 415f757f3fSDimitry Andric 425f757f3fSDimitry Andric } // namespace __math 435f757f3fSDimitry Andric 445f757f3fSDimitry Andric _LIBCPP_END_NAMESPACE_STD 455f757f3fSDimitry Andric 465f757f3fSDimitry Andric #endif // _LIBCPP___MATH_ABS_H 47