blob: 3ba77c5f91226af54facf733f9d26c0237fdd8c5 (
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
|
/* Test for positive or negative infinity.
Copyright (C) 2007-2015 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <http://www.gnu.org/licenses/>. */
/* Written by Ben Pfaff <blp@gnu.org>, 2008. */
#include <config.h>
#include <float.h>
int
gl_isinff (float x)
{
return x < -FLT_MAX || x > FLT_MAX;
}
int
gl_isinfd (double x)
{
return x < -DBL_MAX || x > DBL_MAX;
}
int
gl_isinfl (long double x)
{
return x < -LDBL_MAX || x > LDBL_MAX;
}
|
