| //===-- Implementation of scalbnf128 function -----------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/math/scalbnf128.h" |
| #include "src/__support/FPUtil/ManipulationFunctions.h" |
| #include "src/__support/common.h" |
| |
| namespace LIBC_NAMESPACE { |
| |
| LLVM_LIBC_FUNCTION(float128, scalbnf128, (float128 x, int n)) { |
| // TODO: should be switched to use `FLT_RADIX` in hdr/float_macros.h" instead |
| // see: https://github.com/llvm/llvm-project/issues/90496 |
| #if !defined(__FLT_RADIX__) |
| #error __FLT_RADIX__ undefined. |
| #elif __FLT_RADIX__ != 2 |
| #error __FLT_RADIX__!=2, unimplemented. |
| #else |
| return fputil::ldexp(x, n); |
| #endif |
| } |
| |
| } // namespace LIBC_NAMESPACE |
