1 /* 2 * isfinite function 3 * 4 * Copyright 2013 Francois Gouget 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_ISFINITE) && !defined(isfinite) 25 26 #ifdef HAVE_IEEEFP_H 27 #include <ieeefp.h> 28 29 int isfinite(double x) 30 { 31 return finite(x); 32 } 33 34 #elif defined(HAVE_FLOAT_H) && defined(HAVE__FINITE) 35 #include <float.h> 36 37 int isfinite(double x) 38 { 39 return _finite(x); 40 } 41 42 #else 43 #error No isfinite() implementation available. 44 #endif 45 46 #endif /* !defined(HAVE_ISFINITE) && !defined(isfinite) */ 47