CbcHeuristicVND.hpp

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// $Id$
// Copyright (C) 2006, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
// 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
 
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