simulated_annealing.hpp

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/***************************************************************************
*                                                                          *
*   Copyright (C) 2018 by David B. Blumenthal                              *
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*   This file is part of GEDLIB.                                           *
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*   GEDLIB is free software: you can redistribute it and/or modify it      *
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#ifndef SRC_METHODS_SIMULATED_ANNEALING_HPP_
#define SRC_METHODS_SIMULATED_ANNEALING_HPP_

namespace ged {

template<class UserNodeLabel, class UserEdgeLabel>
class SimulatedAnnealing : public GEDMethod<UserNodeLabel, UserEdgeLabel> {

public:

    virtual ~SimulatedAnnealing();

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

private:

    LSAPEBasedMethod<UserNodeLabel, UserEdgeLabel> * lsape_method_;

    std::string lsape_method_name_;

    std::string lsape_method_options_;

    GEDMethod<UserNodeLabel, UserEdgeLabel> * lower_bound_method_;

    std::string lower_bound_method_name_;

    std::string lower_bound_method_options_;

    std::size_t num_threads_;

    std::size_t num_iterations_;

    double start_probability_;

    double end_probability_;

    // Member functions inherited from GEDMethod.

    virtual void ged_init_() final;

    virtual void ged_run_(const GEDGraph & g, const GEDGraph & h, Result & result) final;

    virtual bool ged_parse_option_(const std::string & option, const std::string & arg) final;

    virtual std::string ged_valid_options_string_() const final;

    virtual void ged_set_default_options_() final;

    // Private helper member functions.

    void generate_candidate_(const GEDGraph & g, const GEDGraph & h, const DMatrix & lsape_instance, const std::vector<std::size_t> & current_order,
            std::vector<std::size_t> & candidate_order, NodeMap & candidate_node_map) const;

};

}

#endif /* SRC_METHODS_SIMULATED_ANNEALING_HPP_ */