| /* Install given floating-point environment and raise exceptions. | 
 |    Copyright (C) 1997-2016 Free Software Foundation, Inc. | 
 |    This file is part of the GNU C Library. | 
 |    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. | 
 |  | 
 |    The GNU C Library is free software; you can redistribute it and/or | 
 |    modify it under the terms of the GNU Lesser General Public | 
 |    License as published by the Free Software Foundation; either | 
 |    version 2.1 of the License, or (at your option) any later version. | 
 |  | 
 |    The GNU C Library is distributed in the hope that it will be useful, | 
 |    but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
 |    Lesser General Public License for more details. | 
 |  | 
 |    You should have received a copy of the GNU Lesser General Public | 
 |    License along with the GNU C Library; if not, see | 
 |    <http://www.gnu.org/licenses/>.  */ | 
 |  | 
 | #include <fenv.h> | 
 | #include <shlib-compat.h> | 
 |  | 
 | int | 
 | __feupdateenv (const fenv_t *envp) | 
 | { | 
 | #if defined FE_NOMASK_ENV && FE_ALL_EXCEPT != 0 | 
 |   if (envp == FE_NOMASK_ENV) | 
 |     return 1; | 
 | #endif | 
 |   /* Nothing to do.  */ | 
 |   return 0; | 
 | } | 
 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) | 
 | strong_alias (__feupdateenv, __old_feupdateenv) | 
 | compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1); | 
 | #endif | 
 | libm_hidden_def (__feupdateenv) | 
 | libm_hidden_ver (__feupdateenv, feupdateenv) | 
 | versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2); | 
 |  | 
 | stub_warning (feupdateenv) |