38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Install given floating-point environment and raise exceptions.
|
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by David Huggins-Daines <dhd@debian.org>, 2000
|
|
|
|
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>
|
|
|
|
int
|
|
feupdateenv (const fenv_t *envp)
|
|
{
|
|
unsigned int sw[2];
|
|
|
|
/* Get the current exception status. */
|
|
__asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw));
|
|
/* Install new environment. */
|
|
fesetenv (envp);
|
|
/* Raise the saved exceptions */
|
|
feraiseexcept(sw[0] & FE_ALL_EXCEPT);
|
|
|
|
/* Success. */
|
|
return 0;
|
|
}
|