libc/src/fenv/feupdateenv.cpp

   1 //===-- Implementation of feupdateenv 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/fenv/feupdateenv.h"
  10 #include "src/__support/FPUtil/FEnvImpl.h"
  11 #include "src/__support/common.h"
  12
  13 #include "hdr/types/fenv_t.h"
  14 #include "src/__support/macros/config.h"
  15
  16 namespace LIBC_NAMESPACE_DECL {
  17
  18 LLVM_LIBC_FUNCTION(int, feupdateenv, (const fenv_t *envp)) {
  19   int current_excepts = fputil::test_except(FE_ALL_EXCEPT);
  20   if (fputil::set_env(envp) != 0)
  21     return -1;
  22   return fputil::raise_except(current_excepts);
  23 }
  24
  25 } // namespace LIBC_NAMESPACE_DECL