blob: c31de8bbe47eae884b1e49d8a1c59ad6b281e52e (
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
|
/* Set floating-point environment exception handling.
Copyright (C) 1997-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Huggins-Daines <dhd@debian.org>, 2000
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
fesetexceptflag (const fexcept_t *flagp, int excepts)
{
fpu_control_t fpsr;
fpu_control_t fpsr_new;
/* Get the current status word. */
_FPU_GETCW (fpsr);
excepts &= FE_ALL_EXCEPT;
/* Install new raised flags. */
fpsr_new = fpsr & ~(excepts << _FPU_HPPA_SHIFT_FLAGS);
fpsr_new |= (*flagp & excepts) << _FPU_HPPA_SHIFT_FLAGS;
/* Store the new status word. */
if (fpsr != fpsr_new)
_FPU_SETCW (fpsr_new);
/* Success. */
return 0;
}
|
