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 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_SRC_MATH_COPYSIGN_H 10 #define LLVM_LIBC_SRC_MATH_COPYSIGN_H 11 12 namespace __llvm_libc { 13 14 double copysign(double x, double y); 15 16 } // namespace __llvm_libc 17 18 #endif // LLVM_LIBC_SRC_MATH_COPYSIGN_H 19