41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Store current floating-point environment and clear exceptions.
|
|
Copyright (C) 2022 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 <fpu_control.h>
|
|
|
|
int
|
|
__feholdexcept (fenv_t *envp)
|
|
{
|
|
fpu_control_t cw;
|
|
|
|
/* Save the current state. */
|
|
_FPU_GETCW (cw);
|
|
envp->__fp_control_register = cw;
|
|
|
|
/* Clear all exception enable bits and flags. */
|
|
cw &= ~(_FPU_MASK_V | _FPU_MASK_Z | _FPU_MASK_O | _FPU_MASK_U | _FPU_MASK_I
|
|
| FE_ALL_EXCEPT);
|
|
_FPU_SETCW (cw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
libm_hidden_def (__feholdexcept) weak_alias (__feholdexcept, feholdexcept)
|
|
libm_hidden_weak (feholdexcept)
|