GEOS  3.8.0dev
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
66  octant(const geom::Coordinate* p0, const geom::Coordinate* p1)
67  {
68  ::geos::ignore_unused_variable_warning(p0);
69  return octant(*p0, *p1);
70  }
71 };
72 
73 
74 } // namespace geos.noding
75 } // namespace geos
76 
77 #endif
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Methods for computing and working with octants of the Cartesian plane.
Definition: Octant.h:49
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25