1 //===-- Single-precision scalbn 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/math/scalbn.h" 10 #include "hdr/float_macros.h" 11 #include "src/__support/FPUtil/ManipulationFunctions.h" 12 #include "src/__support/common.h" 13 #include "src/__support/macros/config.h" 14 15 #if FLT_RADIX != 2 16 #error "FLT_RADIX != 2 is not supported." 17 #endif 18 19 namespace LIBC_NAMESPACE_DECL { 20 21 LLVM_LIBC_FUNCTION(double, scalbn, (double x, int n)) { 22 return fputil::ldexp(x, n); 23 } 24 25 } // namespace LIBC_NAMESPACE_DECL 26