CbcHeuristicVND.hpp

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// edwin 12/5/09 carved out of CbcHeuristicRINS
#ifndef CbcHeuristicVND_H
#define CbcHeuristicVND_H

#include "CbcHeuristic.hpp"


class CbcHeuristicVND : public CbcHeuristic {
public:

    // Default Constructor
    CbcHeuristicVND ();

    /* Constructor with model - assumed before cuts
       Initial version does not do Lps
    */
    CbcHeuristicVND (CbcModel & model);

    // Copy constructor
    CbcHeuristicVND ( const CbcHeuristicVND &);

    // Destructor
    ~CbcHeuristicVND ();

    virtual CbcHeuristic * clone() const;


    CbcHeuristicVND & operator=(const CbcHeuristicVND& rhs);

    virtual void generateCpp( FILE * fp) ;

    virtual void resetModel(CbcModel * model);

    virtual void setModel(CbcModel * model);

    using CbcHeuristic::solution ;
    virtual int solution(double & objectiveValue,
                         double * newSolution);
    int solutionFix(double & objectiveValue,
                    double * newSolution,
                    const int * keep);

    inline void setHowOften(int value) {
        howOften_ = value;
    }
    inline double * baseSolution() const {
        return baseSolution_;
    }

protected:
    // Data

    int numberSolutions_;
    int howOften_;
    int numberSuccesses_;
    int numberTries_;
    int lastNode_;
    int stepSize_;
    int k_;
    int kmax_;
    int nDifferent_;
    double * baseSolution_;
};

#endif