1 //===-- Implementation of logb function -----------------------------------===// 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/__support/common.h" 10 #include "utils/FPUtil/ManipulationFunctions.h" 11 12 namespace __llvm_libc { 13 LLVM_LIBC_ENTRYPOINT(logb)14double LLVM_LIBC_ENTRYPOINT(logb)(double x) { return fputil::logb(x); } 15 16 } // namespace __llvm_libc 17