2012-04-17 02:02:27 +00:00
|
|
|
/* Clear given exceptions in current floating-point environment.
|
2013-01-02 19:01:50 +00:00
|
|
|
Copyright (C) 1997-2013 Free Software Foundation, Inc.
|
2012-04-17 02:02:27 +00:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999 and
|
|
|
|
|
Jes Sorensen <Jes.Sorensen@cern.ch>, 2000
|
|
|
|
|
|
|
|
|
|
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
|
2012-04-17 02:10:24 +00:00
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
2012-04-17 02:02:27 +00:00
|
|
|
|
|
|
|
|
#include <fenv.h>
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
feclearexcept (int excepts)
|
|
|
|
|
{
|
|
|
|
|
fenv_t fpsr;
|
|
|
|
|
|
|
|
|
|
/* Get the current state. */
|
|
|
|
|
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
|
|
|
|
|
|
|
|
|
|
/* Clear the relevant bits. */
|
|
|
|
|
fpsr &= ~(((fenv_t) ((excepts & FE_ALL_EXCEPT) << 13)));
|
|
|
|
|
/* Put the new state in effect. */
|
|
|
|
|
__asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
|
|
|
|
|
|
|
|
|
|
/* success */
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
2012-11-03 19:48:53 +00:00
|
|
|
libm_hidden_def (feclearexcept)
|
