00001 /*===========================================================================*\ 00002 * * 00003 * OpenFlipper * 00004 * Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen * 00005 * www.openflipper.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenFlipper. * 00009 * * 00010 * OpenFlipper is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 00016 * If other files instantiate templates or use macros * 00017 * or inline functions from this file, or you compile this file and * 00018 * link it with other files to produce an executable, this file does * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 00023 * * 00024 * OpenFlipper is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU Lesser General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU LesserGeneral Public * 00030 * License along with OpenFlipper. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 8521 $ * 00038 * $Author: moebius $ * 00039 * $Date: 2010-02-10 15:57:35 +0100 (Mi, 10. Feb 2010) $ * 00040 * * 00041 \*===========================================================================*/ 00042 00043 #ifndef VSTOOLS_HH 00044 #define VSTOOLS_HH 00045 00046 00047 //== FORWARDDECLARATIONS ====================================================== 00048 00049 //== NAMESPACES =============================================================== 00050 00051 //== DEFINITION ========================================================= 00052 00057 #ifdef WIN32 00058 #include <float.h> 00059 00060 namespace std { 00061 00062 inline int isnan(double x) 00063 { 00064 return _isnan(x); 00065 } 00066 00067 inline int isinf(double x) 00068 { 00069 return !_finite(x); 00070 } 00071 00072 } 00073 00074 inline double nearbyint(double x) { 00075 if( x >= 0.0 ) 00076 return int( x + 0.5 ); 00077 else 00078 return int( x - 0.5 ); 00079 } 00080 00081 inline double round ( double _value ) { 00082 return nearbyint(_value); 00083 } 00084 00085 00086 #endif 00087 00088 00089 //============================================================================= 00090 #endif // VSTOOLS_HH defined 00091 //============================================================================= 00092