GEOS: Octant.h Source File

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Octant.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2006 Refractions Research Inc.
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************/
14
15 #ifndef GEOS_NODING_OCTANT_H
16 #define GEOS_NODING_OCTANT_H
17
18 #include <geos/export.h>
19
20 #include <geos/inline.h>
21 #include <geos/util.h>
22
23 // Forward declarations
24 namespace geos {
25 namespace geom {
26 class Coordinate;
27 }
28 }
29
30 namespace geos {
31 namespace noding { // geos.noding
32
49 class GEOS_DLL Octant {
50 private:
51 Octant() {} // Can't instanciate it
52 public:
53
58 static int octant(double dx, double dy);
59
63 static int octant(const geom::Coordinate& p0, const geom::Coordinate& p1);
64
65 static int octant(const geom::Coordinate* p0, const geom::Coordinate* p1)
66 {
67 ::geos::ignore_unused_variable_warning(p0);
68 return octant(*p0, *p1);
69 }
70 };
71
72
73 } // namespace geos.noding
74 } // namespace geos
75
76 #endif
geos::geom::Coordinate
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
geos::noding::Octant
Methods for computing and working with octants of the Cartesian plane.
Definition: Octant.h:49
geos
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25