blob: f3d5724e91ed5c166dd23bfa776b3c52b67ecb4e (
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
|
/* Get floating-point exceptions.
Copyright (C) 2000-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Geoffrey Keating <geoffk@geoffk.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_libc.h>
int
__fegetexcept (void)
{
fenv_union_t fe;
int result = 0;
fe.fenv = fegetenv_register ();
if (fe.l[1] & (1 << (31 - FPSCR_XE)))
result |= FE_INEXACT;
if (fe.l[1] & (1 << (31 - FPSCR_ZE)))
result |= FE_DIVBYZERO;
if (fe.l[1] & (1 << (31 - FPSCR_UE)))
result |= FE_UNDERFLOW;
if (fe.l[1] & (1 << (31 - FPSCR_OE)))
result |= FE_OVERFLOW;
if (fe.l[1] & (1 << (31 - FPSCR_VE)))
result |= FE_INVALID;
return result;
}
weak_alias (__fegetexcept, fegetexcept)
|
