1//===-- Implementation of the cos function for x86_64 ---------------------===//
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#include "src/math/cos.h"
10#include "src/__support/common.h"
11
12namespace LIBC_NAMESPACE {
13
14LLVM_LIBC_FUNCTION(double, cos, (double x)) {
15 __asm__ __volatile__("fcos" : "+t"(x));
16 return x;
17}
18
19} // namespace LIBC_NAMESPACE
20

source code of libc/src/math/x86_64/cos.cpp