libc/src/math/generic/scalbnf.cpp

   1 //===-- Single-precision scalbnf 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/scalbnf.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(float, scalbnf, (float x, int n)) {
  22   return fputil::ldexp(x, n);
  23 }
  24
  25 } // namespace LIBC_NAMESPACE_DECL