| //===-- Implementation header for fabs --------------------------*- C++ -*-===// | |
| // | |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
| // See https://llvm.org/LICENSE.txt for license information. | |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #ifndef LLVM_LIBC_SRC___SUPPORT_MATH_FABS_H | |
| #define LLVM_LIBC_SRC___SUPPORT_MATH_FABS_H | |
| #include "src/__support/FPUtil/BasicOperations.h" | |
| #include "src/__support/macros/config.h" | |
| namespace LIBC_NAMESPACE_DECL { | |
| namespace math { | |
| LIBC_INLINE constexpr double fabs(double x) { | |
| #ifdef __LIBC_MISC_MATH_BASIC_OPS_OPT | |
| return __builtin_fabs(x); | |
| #else | |
| return fputil::abs(x); | |
| #endif | |
| } | |
| } // namespace math | |
| } // namespace LIBC_NAMESPACE_DECL | |
| #endif // LLVM_LIBC_SRC___SUPPORT_MATH_FABS_H |