Octant.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006      Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/

#ifndef GEOS_NODING_OCTANT_H
#define GEOS_NODING_OCTANT_H

#include <geos/export.h>

#include <geos/inline.h>
#include <geos/util.h>

// Forward declarations
namespace geos {
namespace geom {
class Coordinate;
}
}

namespace geos {
namespace noding { // geos.noding

class GEOS_DLL Octant {
private:
    Octant() {} // Can't instanciate it
public:

    static int octant(double dx, double dy);

    static int octant(const geom::Coordinate& p0, const geom::Coordinate& p1);

    static int
    octant(const geom::Coordinate* p0, const geom::Coordinate* p1)
    {
        ::geos::ignore_unused_variable_warning(p0);
        return octant(*p0, *p1);
    }
};


} // namespace geos.noding
} // namespace geos

#endif