sysdeps/alpha/fpu/fgetexcptflg.c

   1 /* Store current representation for exceptions.
   2    Copyright (C) 1997-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Richard Henderson <rth@tamu.edu>, 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_libc.h>
  21
  22 int
  23 __fegetexceptflag (fexcept_t *flagp, int excepts)
  24 {
  25   unsigned long int tmp;
  26
  27   /* Get the current state.  */
  28   tmp = __ieee_get_fp_control();
  29
  30   /* Return that portion that corresponds to the requested exceptions. */
  31   *flagp = tmp & excepts & SWCR_STATUS_MASK;
  32
  33   /* Success.  */
  34   return 0;
  35 }
  36
  37 #include <shlib-compat.h>
  38 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  39 strong_alias (__fegetexceptflag, __old_fegetexceptflag)
  40 compat_symbol (libm, __old_fegetexceptflag, fegetexceptflag, GLIBC_2_1);
  41 #endif
  42
  43 versioned_symbol (libm, __fegetexceptflag, fegetexceptflag, GLIBC_2_2);