compact_mip.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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*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the           *
*   GNU Lesser General Public License for more details.                    *
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#ifndef SRC_METHODS_COMPACT_MIP_HPP_
#define SRC_METHODS_COMPACT_MIP_HPP_


namespace ged {

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

public:

    virtual ~CompactMIP();

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

private:

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

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

    // 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_COMPACT_MIP_HPP_ */