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_ABS_H 10*5f757f3fSDimitry Andric #define _LIBCPP___MATH_ABS_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_integral.h> 15*5f757f3fSDimitry Andric 16*5f757f3fSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17*5f757f3fSDimitry Andric # pragma GCC system_header 18*5f757f3fSDimitry Andric #endif 19*5f757f3fSDimitry Andric 20*5f757f3fSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 21*5f757f3fSDimitry Andric 22*5f757f3fSDimitry Andric namespace __math { 23*5f757f3fSDimitry Andric 24*5f757f3fSDimitry Andric // fabs 25*5f757f3fSDimitry Andric 26*5f757f3fSDimitry Andric _LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI float fabs(float __x) _NOEXCEPT { return __builtin_fabsf(__x); } 27*5f757f3fSDimitry Andric 28*5f757f3fSDimitry Andric template <class = int> 29*5f757f3fSDimitry Andric _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI double fabs(double __x) _NOEXCEPT { 30*5f757f3fSDimitry Andric return __builtin_fabs(__x); 31*5f757f3fSDimitry Andric } 32*5f757f3fSDimitry Andric 33*5f757f3fSDimitry Andric _LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI long double fabs(long double __x) _NOEXCEPT { 34*5f757f3fSDimitry Andric return __builtin_fabsl(__x); 35*5f757f3fSDimitry Andric } 36*5f757f3fSDimitry Andric 37*5f757f3fSDimitry Andric template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 38*5f757f3fSDimitry Andric _LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI double fabs(_A1 __x) _NOEXCEPT { 39*5f757f3fSDimitry Andric return __builtin_fabs((double)__x); 40*5f757f3fSDimitry Andric } 41*5f757f3fSDimitry Andric 42*5f757f3fSDimitry Andric } // namespace __math 43*5f757f3fSDimitry Andric 44*5f757f3fSDimitry Andric _LIBCPP_END_NAMESPACE_STD 45*5f757f3fSDimitry Andric 46*5f757f3fSDimitry Andric #endif // _LIBCPP___MATH_ABS_H 47