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/* This file is part of the Gudhi Library. The Gudhi library
* (Geometric Understanding in Higher Dimensions) is a generic C++
* library for computational topology.
*
* Author(s): David Salinas
*
* Copyright (C) 2014 INRIA Sophia Antipolis-Mediterranee (France)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CONTRACTION_POLICIES_COST_POLICY_H_
#define CONTRACTION_POLICIES_COST_POLICY_H_
#include <boost/optional.hpp>
namespace Gudhi {
namespace contraction {
/**
*@brief Policy to specify the cost of contracting an edge.
*@ingroup contr
*/
template< typename EdgeProfile>
class Cost_policy {
public:
typedef typename EdgeProfile::Point Point;
typedef typename EdgeProfile::Graph_vertex Graph_vertex;
typedef boost::optional<double> Cost_type;
virtual Cost_type operator()(const EdgeProfile& profile, const boost::optional<Point>& placement) const = 0;
virtual ~Cost_policy() { }
};
} // namespace contraction
} // namespace Gudhi
#endif // CONTRACTION_POLICIES_COST_POLICY_H_
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