File: fgetexcptflg.c

package info (click to toggle)
glibc 2.24-10
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 223,412 kB
  • sloc: ansic: 991,967; asm: 261,800; sh: 10,385; makefile: 9,710; cpp: 4,169; python: 3,971; perl: 2,254; awk: 1,753; pascal: 1,521; yacc: 291; sed: 80
file content (39 lines) | stat: -rw-r--r-- 1,334 bytes parent folder | download | duplicates (4)
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
34
35
36
37
38
39
/* Store current representation for exceptions.
   Copyright (C) 1998-2016 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Andreas Jaeger <aj@suse.de>, 1998.

   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 <fpu_control.h>

int
fegetexceptflag (fexcept_t *flagp, int excepts)
{
  fpu_control_t temp;

  /* Get the current exceptions.  */
  _FPU_GETCW (temp);

  /* We only save the relevant bits here. In particular, care has to be
     taken with the CAUSE bits, as an inadvertent restore later on could
     generate unexpected exceptions.  */

  *flagp = temp & excepts & FE_ALL_EXCEPT;

  /* Success.  */
  return 0;
}