| /* | |
| * 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))); | |
| } | |
| #elif defined(HAVE_FLOAT_H) && defined(HAVE__ISNAN) && defined(HAVE__FINITE) | |
| #include <float.h> | |
| int isinf(double x) | |
| { | |
| return (!(_finite(x) || _isnan(x))); | |
| } | |
| #else | |
| #error No isinf() implementation available. | |
| #endif | |
| #endif /* HAVE_ISINF */ |