blob: e8cb2e9b1329f686bbf5ee9de0501e7c543cc3ab (
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
37
38
39
40
41
42
43
44
45
|
/* Store current floating-point environment and clear exceptions
(soft-float edition).
Copyright (C) 2002-2019 Free Software Foundation, Inc.
Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
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 "soft-fp.h"
#include "soft-supp.h"
int
__feholdexcept (fenv_t *envp)
{
fenv_union_t u;
/* Get the current state. */
__fegetenv (envp);
u.fenv = *envp;
/* Clear everything except the rounding mode. */
u.l[0] &= 0x3;
/* Disable exceptions */
u.l[1] = FE_ALL_EXCEPT;
/* Put the new state in effect. */
__fesetenv (&u.fenv);
return 0;
}
libm_hidden_def (__feholdexcept)
weak_alias (__feholdexcept, feholdexcept)
libm_hidden_weak (feholdexcept)
|
