37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
|
/* Disable floating-point exceptions.
|
||
|
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Library General Public License as
|
||
|
|
published by the Free Software Foundation; either version 2 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
|
||
|
|
Library General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Library General Public
|
||
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
|
Boston, MA 02111-1307, USA. */
|
||
|
|
|
||
|
|
#include <fenv.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
fedisableexcept (int excepts)
|
||
|
|
{
|
||
|
|
unsigned long int new_exc, old_exc;
|
||
|
|
|
||
|
|
new_exc = __ieee_get_fp_control ();
|
||
|
|
|
||
|
|
old_exc = (new_exc << 16) & FE_ALL_EXCEPT;
|
||
|
|
new_exc &= ~((excepts & FE_ALL_EXCEPT) >> 16);
|
||
|
|
|
||
|
|
__ieee_set_fp_control (new_exc);
|
||
|
|
|
||
|
|
return old_exc;
|
||
|
|
}
|