cgal/Point_set_2/include/CGAL/compare_vertices.h

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// Copyright (c) 1999
// Max-Planck-Institute Saarbruecken (Germany). All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Matthias Baesken
#ifndef CGAL_COMPARE_VERTICES_H
#define CGAL_COMPARE_VERTICES_H
#include <CGAL/license/Point_set_2.h>
namespace CGAL {
namespace internal {
// compare function objects for the priority queues used in nearest neighbor search
template<class VP, class NT,class MAP_TYPE>
class compare_vertices {
public:
//std::map<VP,NT,std::less<VP> > *pmap;
MAP_TYPE* pmap;
compare_vertices(MAP_TYPE *p){ pmap=p; }
bool operator()(VP e1, VP e2)
// get the priorities from the map and return result of comparison ...
{ NT& v1 = (*pmap)[e1];
NT& v2 = (*pmap)[e2];
return (v1 > v2);
}
};
} // namespace internal
} //namespace CGAL
#endif // CGAL_COMPARE_VERTICES_H