sysdeps/sparc/fpu/fclrexcpt.c

   1 /* Clear given exceptions in current floating-point environment.
   2    Copyright (C) 1997-2014 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <fenv.h>
  20 #include <shlib-compat.h>
  21
  22 int
  23 __feclearexcept (int excepts)
  24 {
  25   fenv_t tmp;
  26
  27   __fenv_stfsr (tmp);
  28
  29   tmp &= ~(excepts & FE_ALL_EXCEPT);
  30
  31   __fenv_ldfsr (tmp);
  32
  33   /* Success.  */
  34   return 0;
  35 }
  36
  37 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  38 strong_alias (__feclearexcept, __old_feclearexcept)
  39 compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
  40 #endif
  41
  42 libm_hidden_ver (__feclearexcept, feclearexcept)
  43 versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);