[libc] Add platform independent floating point rounding mode checks.
[llvm-project.git] / libc / src / math / copysign.h
blobedffe1b082fe0470c36f9ca1ce54f81ca9f4e428
1 //===-- Implementation header for copysign ----------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_LIBC_SRC_MATH_COPYSIGN_H
10 #define LLVM_LIBC_SRC_MATH_COPYSIGN_H
12 namespace __llvm_libc {
14 double copysign(double x, double y);
16 } // namespace __llvm_libc
18 #endif // LLVM_LIBC_SRC_MATH_COPYSIGN_H