blp_no_edge_labels.hpp

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/***************************************************************************
*                                                                          *
*   Copyright (C) 2018 by David B. Blumenthal                              *
*                                                                          *
*   This file is part of GEDLIB.                                           *
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*   GEDLIB is free software: you can redistribute it and/or modify it      *
*   under the terms of the GNU Lesser General Public License as published  *
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*   (at your option) any later version.                                    *
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*   GEDLIB is distributed in the hope that it will be useful,              *
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*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the           *
*   GNU Lesser General Public License for more details.                    *
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#ifndef SRC_METHODS_BLP_NO_EDGE_LABELS_HPP_
#define SRC_METHODS_BLP_NO_EDGE_LABELS_HPP_

namespace ged {

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

public:

    virtual ~BLPNoEdgeLabels();

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

private:

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

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

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

    // 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_BLP_NO_EDGE_LABELS_HPP_ */