f2.hpp

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/***************************************************************************
 *                                                                          *
 *   Copyright (C) 2018 by David B. Blumenthal                              *
 *                                                                          *
 *   This file is part of GEDLIB.                                           *
 *                                                                          *
 *   GEDLIB is free software: you can redistribute it and/or modify it      *
 *   under the terms of the GNU Lesser General Public License as published  *
 *   by the Free Software Foundation, either version 3 of the License, or   *
 *   (at your option) any later version.                                    *
 *                                                                          *
 *   GEDLIB 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 Lesser General Public License for more details.                    *
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 *   You should have received a copy of the GNU Lesser General Public       *
 *   License along with GEDLIB. If not, see <http://www.gnu.org/licenses/>. *
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 ***************************************************************************/

#ifndef SRC_METHODS_F2_HPP_
#define SRC_METHODS_F2_HPP_

namespace ged {

template<class UserNodeLabel, class UserEdgeLabel>
class F2 : public MIPBasedMethod<UserNodeLabel, UserEdgeLabel> {

public:

    virtual ~F2();

    F2(const GEDData<UserNodeLabel, UserEdgeLabel> & ged_data);

private:

    std::map<NodeMap::Assignment, GRBVar> x_;

    std::map<std::pair<GEDGraph::EdgeID, GEDGraph::EdgeID>, GRBVar> y_;

    // Virtual member functions inherited from MIPBasedMethod.

    virtual void mip_populate_model_(const GEDGraph & g, const GEDGraph & h, GRBModel & model) final;

    virtual void mip_model_to_node_map_(const GEDGraph & g, const GEDGraph & h, GRBModel & model, NodeMap & node_map) final;

    virtual bool mip_model_to_lsape_projection_problem_(const GEDGraph & g, const GEDGraph & h, GRBModel & model, DMatrix & lsape_instance) final;

    // Private helper function.

    char variable_type_() const;

};

}

#endif /* SRC_METHODS_F2_HPP_ */