mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-29 05:51:10 +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.
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/* Enable floating-point exceptions.
|
|
Copyright (C) 2000-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
|
|
|
|
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_libc.h>
|
|
#include <fpu_control.h>
|
|
|
|
int
|
|
feenableexcept (int excepts)
|
|
{
|
|
fexcept_t temp, old_exc, new_flags;
|
|
|
|
_FPU_GETCW (temp);
|
|
old_exc = (temp & FPC_EXCEPTION_MASK) >> FPC_EXCEPTION_MASK_SHIFT;
|
|
new_flags = (temp | ((excepts & FE_ALL_EXCEPT) << FPC_EXCEPTION_MASK_SHIFT));
|
|
_FPU_SETCW (new_flags);
|
|
|
|
return old_exc;
|
|
}
|