libc/src/math/log2.h

   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
  12 #include "src/__support/macros/config.h"
  13
  14 namespace LIBC_NAMESPACE_DECL {
  15
  16 double log2(double x);
  17
  18 } // namespace LIBC_NAMESPACE_DECL
  19
  20 #endif // LLVM_LIBC_SRC_MATH_LOG2_H