glibc/sysdeps/alpha/fpu/ftestexcept.c
2000-08-19 16:07:37 +00:00

33 lines
1.2 KiB
C

/* Test exception in current environment.
Copyright (C) 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>, 1997.
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_libc.h>
int
fetestexcept (int excepts)
{
unsigned long tmp;
/* Get current exceptions. */
tmp = __ieee_get_fp_control();
return tmp & excepts & SWCR_STATUS_MASK;
}