39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
/*
|
|
* isinf function
|
|
*
|
|
* Copyright 2008 Petr Sumbera
|
|
*
|
|
* This 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.
|
|
*
|
|
* This 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 this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#ifndef HAVE_ISINF
|
|
|
|
#ifdef HAVE_IEEEFP_H
|
|
#include <ieeefp.h>
|
|
|
|
int isinf(double x)
|
|
{
|
|
return (!(finite(x) || isnand(x)));
|
|
}
|
|
|
|
#else
|
|
#error No isinf() implementation available.
|
|
#endif
|
|
|
|
#endif /* HAVE_ISINF */
|