math/feupdateenv.c

   1 /* Install given floating-point environment and raise exceptions.
   2    Copyright (C) 1997-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <fenv.h>
  20 #include <shlib-compat.h>
  21
  22 int
  23 __feupdateenv (const fenv_t *envp)
  24 {
  25 #if defined FE_NOMASK_ENV && FE_ALL_EXCEPT != 0
  26   if (envp == FE_NOMASK_ENV)
  27     return 1;
  28 #endif
  29   /* Nothing to do.  */
  30   return 0;
  31 }
  32 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  33 strong_alias (__feupdateenv, __old_feupdateenv)
  34 compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1);
  35 #endif
  36 libm_hidden_def (__feupdateenv)
  37 libm_hidden_ver (__feupdateenv, feupdateenv)
  38 versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);
  39
  40 stub_warning (feupdateenv)