RobustDeterminant.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2005-2006 Refractions Research Inc.
00007  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************
00015  *
00016  * Last port: algorithm/RobustDeterminant.java 1.15 (JTS-1.10)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_ALGORITHM_ROBUSTDETERMINANT_H
00021 #define GEOS_ALGORITHM_ROBUSTDETERMINANT_H
00022 
00023 #include <geos/export.h>
00024 
00025 namespace geos {
00026 namespace algorithm { // geos::algorithm
00027 
00051 class GEOS_DLL RobustDeterminant {
00052 public:
00053 
00062         static int signOfDet2x2(double x1,double y1,double x2,double y2);
00063 };
00064 
00065 } // namespace geos::algorithm
00066 } // namespace geos
00067 
00068 
00069 
00070 #endif // GEOS_ALGORITHM_ROBUSTDETERMINANT_H

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