glibc/sysdeps/s390/fpu/fgetexcptflg.c
2012-02-09 23:18:22 +00:00

36 lines
1.2 KiB
C

/* Store current representation for exceptions.
Copyright (C) 2000 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
fegetexceptflag (fexcept_t *flagp, int excepts)
{
fexcept_t temp, newexcepts;
/* Get the current exceptions. */
_FPU_GETCW (temp);
newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT);
*flagp = temp & newexcepts;
/* Success. */
return 0;
}