glibc/sysdeps/mips/fpu/fgetexcptflg.c
Andreas Jaeger f1cdba97f5 * sysdeps/mips/fpu/fraiseexcpt.c (__feraiseexcept): Set cause bits.
* sysdeps/mips/fpu/fgetexcptflg.c (__fegetexceptflag): Add comment.

	* sysdeps/mips/fpu/fclrexcpt.c (__feclearexcept): Clear also cause
	bits.

	* sysdeps/mips/fpu/fenv_libc.h (CAUSE_MASK): New.
	(CAUSE_SHIFT): New.
2002-03-17 12:07:44 +00:00

47 lines
1.6 KiB
C

/* Store current representation for exceptions.
Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 1998.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <shlib-compat.h>
int
__fegetexceptflag (fexcept_t *flagp, int excepts)
{
fexcept_t temp;
/* Get the current exceptions. */
_FPU_GETCW (temp);
/* It is important that the CAUSE bits are not saved here. If they
were, a call to fesetexceptflag() would generate an
exception. */
*flagp = temp & excepts & FE_ALL_EXCEPT;
/* Success. */
return 0;
}
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__fegetexceptflag, __old_fegetexceptflag)
compat_symbol (libm, __old_fegetexceptflag, fegetexceptflag, GLIBC_2_1);
#endif
versioned_symbol (libm, __fegetexceptflag, fegetexceptflag, GLIBC_2_2);