1e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 2e78f53d1SNikolas Klauser // 3e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e78f53d1SNikolas Klauser // 7e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 8e78f53d1SNikolas Klauser 9*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___MATH_ABS_H 10*ce777190SNikolas Klauser #define _LIBCPP___CXX03___MATH_ABS_H 11e78f53d1SNikolas Klauser 1273fbae83SNikolas Klauser #include <__cxx03/__config> 1373fbae83SNikolas Klauser #include <__cxx03/__type_traits/enable_if.h> 1473fbae83SNikolas Klauser #include <__cxx03/__type_traits/is_integral.h> 15e78f53d1SNikolas Klauser 16e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17e78f53d1SNikolas Klauser # pragma GCC system_header 18e78f53d1SNikolas Klauser #endif 19e78f53d1SNikolas Klauser 20e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 21e78f53d1SNikolas Klauser 22e78f53d1SNikolas Klauser namespace __math { 23e78f53d1SNikolas Klauser 24e78f53d1SNikolas Klauser // fabs 25e78f53d1SNikolas Klauser 26e78f53d1SNikolas Klauser _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI float fabs(float __x) _NOEXCEPT { return __builtin_fabsf(__x); } 27e78f53d1SNikolas Klauser 28e78f53d1SNikolas Klauser template <class = int> 29e78f53d1SNikolas Klauser _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI double fabs(double __x) _NOEXCEPT { 30e78f53d1SNikolas Klauser return __builtin_fabs(__x); 31e78f53d1SNikolas Klauser } 32e78f53d1SNikolas Klauser 33e78f53d1SNikolas Klauser _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long double fabs(long double __x) _NOEXCEPT { 34e78f53d1SNikolas Klauser return __builtin_fabsl(__x); 35e78f53d1SNikolas Klauser } 36e78f53d1SNikolas Klauser 37e78f53d1SNikolas Klauser template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0> 38e78f53d1SNikolas Klauser _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI double fabs(_A1 __x) _NOEXCEPT { 39e78f53d1SNikolas Klauser return __builtin_fabs((double)__x); 40e78f53d1SNikolas Klauser } 41e78f53d1SNikolas Klauser 42e78f53d1SNikolas Klauser } // namespace __math 43e78f53d1SNikolas Klauser 44e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 45e78f53d1SNikolas Klauser 46*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___MATH_ABS_H 47