blob: 125751f8b45fd12f01f79cf8ef1aa7da4f056a58 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* Copyright (C) 2001-2018 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>
#include <fpu_control.h>
int
fedisableexcept (int excepts)
{
fpu_control_t fpcr;
fpu_control_t fpcr_new;
_FPU_GETCW (fpcr);
excepts &= FE_ALL_EXCEPT;
fpcr_new = fpcr & ~(excepts << FE_EXCEPT_SHIFT);
if (fpcr != fpcr_new)
_FPU_SETCW (fpcr_new);
return (fpcr >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
}
|
