math/fclrexcpt.c

   1 /* Clear given exceptions in current floating-point environment.
   2    Copyright (C) 1997-2016 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 __feclearexcept (int excepts)
  25 {
  26   /* This always fails unless nothing needs to be done.  */
  27   return (excepts != 0);
  28 }
  29 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  30 strong_alias (__feclearexcept, __old_feclearexcept)
  31 compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
  32 #endif
  33 libm_hidden_ver (__feclearexcept, feclearexcept)
  34 versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);
  35
  36 stub_warning (feclearexcept)