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RobustDeterminant.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2005-2006 Refractions Research Inc.
7 * Copyright (C) 2001-2002 Vivid Solutions Inc.
8 *
9 * This is free software; you can redistribute and/or modify it under
10 * the terms of the GNU Lesser General Public Licence as published
11 * by the Free Software Foundation.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************
15 *
16 * Last port: algorithm/RobustDeterminant.java 1.15 (JTS-1.10)
17 *
18 **********************************************************************/
19
20 #ifndef GEOS_ALGORITHM_ROBUSTDETERMINANT_H
21 #define GEOS_ALGORITHM_ROBUSTDETERMINANT_H
22
23 #include <geos/export.h>
24
25 namespace geos {
26 namespace algorithm { // geos::algorithm
27
51 class GEOS_DLL RobustDeterminant {
52 public:
53
62 static int signOfDet2x2(double x1,double y1,double x2,double y2);
63 };
64
65 } // namespace geos::algorithm
66 } // namespace geos
67
68
69
70 #endif // GEOS_ALGORITHM_ROBUSTDETERMINANT_H