glibc/sysdeps/powerpc/fpu/feholdexcpt.c
Ulrich Drepper 8a94dfe44e Update.
* sysdeps/alpha/fpu/feholdexcpt.c: Correct return value according to
	the standard.
	* sysdeps/alpha/fpu/fesetround.c: Likewise.
	* sysdeps/arm/fpu/feholdexcpt.c: Likewise.
	* sysdeps/arm/fpu/fesetround.c: Likewise.
	* sysdeps/generic/feholdexcpt.c: Likewise.
	* sysdeps/generic/fesetround.c: Likewise.
	* sysdeps/i386/fpu/feholdexcpt.c: Likewise.
	* sysdeps/i386/fpu/fesetround.c: Likewise.
	* sysdeps/m68k/fpu/feholdexcpt.c: Likewise.
	* sysdeps/m68k/fpu/fesetround.c: Likewise.
	* sysdeps/mips/fpu/fesetround.c: Likewise.
	* sysdeps/powerpc/fpu/feholdexcpt.c: Likewise.
	* sysdeps/powerpc/fpu/fesetround.c: Likewise.
	* sysdeps/sparc/fpu/feholdexcpt.c: Likewise.
	* sysdeps/sparc/fpu/fesetround.c: Likewise.
	Patch by Miloslav Trmac <mitr@volny.cz>.
2000-01-31 08:11:53 +00:00

39 lines
1.3 KiB
C

/* Store current floating-point environment and clear exceptions.
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
feholdexcept (fenv_t *envp)
{
fenv_union_t u;
/* Get the current state. */
u.fenv = *envp = fegetenv_register ();
/* Clear everything except for the rounding mode and non-IEEE arithmetic
flag. */
u.l[1] = u.l[1] & 7;
/* Put the new state in effect. */
fesetenv_register (u.fenv);
return 0;
}