1111d2748STue Ly //===-- Implementation header for log2 --------------------------*- C++ -*-===// 2111d2748STue Ly // 3111d2748STue Ly // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4111d2748STue Ly // See https://llvm.org/LICENSE.txt for license information. 5111d2748STue Ly // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6111d2748STue Ly // 7111d2748STue Ly //===----------------------------------------------------------------------===// 8111d2748STue Ly 9111d2748STue Ly #ifndef LLVM_LIBC_SRC_MATH_LOG2_H 10111d2748STue Ly #define LLVM_LIBC_SRC_MATH_LOG2_H 11111d2748STue Ly 12*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 13*5ff3ff33SPetr Hosek 14*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 15111d2748STue Ly 16111d2748STue Ly double log2(double x); 17111d2748STue Ly 18*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 19111d2748STue Ly 20111d2748STue Ly #endif // LLVM_LIBC_SRC_MATH_LOG2_H 21