glibc/sysdeps/sparc/fpu/feholdexcpt.c

36 lines
1.1 KiB
C

/* Store current floating-point environment and clear exceptions.
Copyright (C) 1997-2014 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 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.h>
int
feholdexcept (fenv_t *envp)
{
fenv_t tmp;
__fenv_stfsr (*envp);
/* Set all exceptions to non-stop and clear all exceptions. */
tmp = *envp & ~((0x1f << 23) | FE_ALL_EXCEPT);
__fenv_ldfsr (tmp);
return 0;
}
libm_hidden_def (feholdexcept)