1//===-- Implementation header for log2 --------------------------*- 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_LOG2_H
10#define LLVM_LIBC_SRC_MATH_LOG2_H
11
12namespace LIBC_NAMESPACE {
13
14double log2(double x);
15
16} // namespace LIBC_NAMESPACE
17
18#endif // LLVM_LIBC_SRC_MATH_LOG2_H
19

source code of libc/src/math/log2.h