blob: 786c691a4b2bdb6854a044dde8bc3f1b63513315 (
plain)
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
|
/* Store current floating-point environment and clear exceptions
(soft-float edition).
Copyright (C) 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#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;
/* ?? Should we clear the disabled exceptions as well ?? */
/* Put the new state in effect. */
fesetenv (envp);
return 0;
}
|
