00001 /********************************************************************** 00002 * $Id: RobustDeterminant.h 1820 2006-09-06 16:54:23Z mloskot $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2005-2006 Refractions Research Inc. 00008 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00009 * 00010 * This is free software; you can redistribute and/or modify it under 00011 * the terms of the GNU Lesser General Public Licence as published 00012 * by the Free Software Foundation. 00013 * See the COPYING file for more information. 00014 * 00015 **********************************************************************/ 00016 00017 #ifndef GEOS_ALGORITHM_ROBUSTDETERMINANT_H 00018 #define GEOS_ALGORITHM_ROBUSTDETERMINANT_H 00019 00020 00021 namespace geos { 00022 namespace algorithm { // geos::algorithm 00023 00024 class RobustDeterminant { 00025 public: 00026 static int signOfDet2x2(double x1,double y1,double x2,double y2); 00027 }; 00028 00029 } // namespace geos::algorithm 00030 } // namespace geos 00031 00032 00033 00034 #endif // GEOS_ALGORITHM_ROBUSTDETERMINANT_H 00035 00036 /********************************************************************** 00037 * $Log$ 00038 * Revision 1.1 2006/03/09 16:46:48 strk 00039 * geos::geom namespace definition, first pass at headers split 00040 * 00041 **********************************************************************/ 00042