mirror of https://github.com/CGAL/cgal
105 lines
2.2 KiB
C++
105 lines
2.2 KiB
C++
// Copyright (c) 1999-2004 INRIA Sophia-Antipolis (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Mariette Yvinec
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// Sylvain Pion
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#ifndef CGAL_WEIGHTED_POINT_H
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#define CGAL_WEIGHTED_POINT_H
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CGAL_BEGIN_NAMESPACE
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template < class Pt, class We >
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class Weighted_point : public Pt
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{
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public:
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typedef We Weight;
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typedef Pt Point;
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Weighted_point ()
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: Point(), _weight(0) {}
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//explicit
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Weighted_point (const Point &p)
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: Point(p), _weight(0)
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{
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// CGAL_error_msg( "Warning : truncated weight !!!");
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}
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Weighted_point (const Point &p, const Weight &w)
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: Point(p), _weight(w) {}
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const Point & point() const
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{
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return *this;
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}
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const Weight & weight() const
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{
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return _weight;
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}
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// The following power() member functions are not used at the moment.
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// They belong to the traits class anyway.
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//
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// Weight power(const Point &p)
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// {
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// return squared_distance(*this, p) - weight();
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// }
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//
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// Weight power(const Weighted_point &p)
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// {
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// return squared_distance(*this, p) - weight() - p.weight();
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// }
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private:
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Weight _weight;
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};
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template < class Point, class Weight >
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std::ostream &
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operator<<(std::ostream &os, const Weighted_point<Point,Weight> &p)
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{
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os << p.point();
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if(is_ascii(os))
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os << " " << p.weight();
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else
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write(os, p.weight());
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return os;
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}
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template < class Point, class Weight >
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std::istream &
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operator>>(std::istream &is, Weighted_point<Point,Weight> &wp)
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{
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Weight w;
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Point p;
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is >> p;
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if(is_ascii(is))
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is >> w;
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else
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read(is, w);
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if (is)
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wp = Weighted_point<Point,Weight>(p,w);
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return is;
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_WEIGHTED_POINT_H
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