summary refs log tree commit diff
path: root/sysdeps/powerpc/fpu/ftestexcept.c
blob: 64406c41dc03594634875804c32b08cb9a100519 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* Test exception in current environment.
   Copyright (C) 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <fenv_libc.h>

int
fetestexcept (int excepts)
{
  fenv_union_t u;

  /* Get the current state.  */
  u.fenv = fegetenv_register ();

  /* The FE_INVALID bit is dealt with correctly by the hardware, so we can
     just:  */
  return u.l[1] & excepts;
}