math/feupdateenv.c

   1 /* Install given floating-point environment and raise exceptions.
   2    Copyright (C) 1997-2017 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <fenv.h>
  21 #include <shlib-compat.h>
  22
  23 int
  24 __feupdateenv (const fenv_t *envp)
  25 {
  26 #if defined FE_NOMASK_ENV && FE_ALL_EXCEPT != 0
  27   if (envp == FE_NOMASK_ENV)
  28     return 1;
  29 #endif
  30   /* Nothing to do.  */
  31   return 0;
  32 }
  33 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  34 strong_alias (__feupdateenv, __old_feupdateenv)
  35 compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1);
  36 #endif
  37 libm_hidden_def (__feupdateenv)
  38 libm_hidden_ver (__feupdateenv, feupdateenv)
  39 versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);
  40
  41 stub_warning (feupdateenv)