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/* Store current floating-point environment and clear exceptions.
Copyright (C) 1997, 1998, 1999 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.h>
#include <fpu_control.h>
int
feholdexcept (fenv_t *envp)
{
unsigned long int temp;
/* Store the environment. */
_FPU_GETCW(temp);
envp->__cw = temp;
/* Now set all exceptions to non-stop. */
temp &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT);
_FPU_SETCW(temp);
return 1;
}
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