mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Set floating-point environment exception handling.
|
|
Copyright (C) 1997-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by David Huggins-Daines <dhd@debian.org>, 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
|
|
License along with the GNU C Library. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <fenv.h>
|
|
#include <fpu_control.h>
|
|
|
|
int
|
|
fesetexceptflag (const fexcept_t *flagp, int excepts)
|
|
{
|
|
fpu_control_t fpsr;
|
|
fpu_control_t fpsr_new;
|
|
|
|
/* Get the current status word. */
|
|
_FPU_GETCW (fpsr);
|
|
excepts &= FE_ALL_EXCEPT;
|
|
|
|
/* Install new raised flags. */
|
|
fpsr_new = fpsr & ~(excepts << _FPU_HPPA_SHIFT_FLAGS);
|
|
fpsr_new |= (*flagp & excepts) << _FPU_HPPA_SHIFT_FLAGS;
|
|
|
|
/* Store the new status word. */
|
|
if (fpsr != fpsr_new)
|
|
_FPU_SETCW (fpsr_new);
|
|
|
|
/* Success. */
|
|
return 0;
|
|
}
|