[WIN32K] Add x64/arm exports
[reactos.git] / sdk / lib / 3rdparty / libwine / isinf.c
1 /*
2 * isinf function
3 *
4 * Copyright 2008 Petr Sumbera
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #if !defined(HAVE_ISINF) && !defined(isinf)
25
26 #ifdef HAVE_IEEEFP_H
27 #include <ieeefp.h>
28
29 int isinf(double x)
30 {
31 return (!(finite(x) || isnand(x)));
32 }
33
34 #elif defined(HAVE_FLOAT_H) && defined(HAVE__ISNAN) && defined(HAVE__FINITE)
35 #include <float.h>
36
37 int isinf(double x)
38 {
39 return (!(_finite(x) || _isnan(x)));
40 }
41
42 #else
43 #error No isinf() implementation available.
44 #endif
45
46 #endif /* !defined(HAVE_ISINF) && !defined(isinf) */