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/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
* See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
* Author(s): David Salinas
*
* Copyright (C) 2014 Inria
*
* Modification(s):
* - YYYY/MM Author: Description of the modification
*/
#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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