mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-01 17:30:07 +00:00
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
|
/* Store current floating-point environment and clear exceptions.
|
||
|
|
Copyright (C) 2020 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
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <fenv.h>
|
||
|
|
#include <fenv_private.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
__feholdexcept (fenv_t *envp)
|
||
|
|
{
|
||
|
|
unsigned int fpcr;
|
||
|
|
unsigned int fpsr;
|
||
|
|
|
||
|
|
_FPU_GETCW (fpcr);
|
||
|
|
_FPU_GETS (fpsr);
|
||
|
|
|
||
|
|
envp->__fpcr = fpcr;
|
||
|
|
envp->__fpsr = fpsr;
|
||
|
|
|
||
|
|
fpsr &= ~FE_ALL_EXCEPT;
|
||
|
|
|
||
|
|
_FPU_SETCW (fpcr);
|
||
|
|
_FPU_SETS (fpsr);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
libm_hidden_def (__feholdexcept)
|
||
|
|
weak_alias (__feholdexcept, feholdexcept)
|
||
|
|
libm_hidden_weak (feholdexcept)
|