CbcHeuristicRINS.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).
 
#ifndef CbcHeuristicRINS_H
#define CbcHeuristicRINS_H
 
#include "CbcHeuristic.hpp"
// for backward compatibility include 3 other headers
#include "CbcHeuristicRENS.hpp"
#include "CbcHeuristicDINS.hpp"
#include "CbcHeuristicVND.hpp"
 
class CbcHeuristicRINS : public CbcHeuristic {
public:
  // Default Constructor
  CbcHeuristicRINS();
 
  /* Constructor with model - assumed before cuts
       Initial version does not do Lps
    */
  CbcHeuristicRINS(CbcModel &model);
 
  // Copy constructor
  CbcHeuristicRINS(const CbcHeuristicRINS &);
 
  // Destructor
  ~CbcHeuristicRINS();

  virtual CbcHeuristic *clone() const;

  CbcHeuristicRINS &operator=(const CbcHeuristicRINS &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 char *used() const
  {
    return used_;
  }

  inline void setLastNode(int value)
  {
    lastNode_ = value;
  }

  inline void setSolutionCount(int value)
  {
    numberSolutions_ = value;
  }
 
protected:
  // Data

  int numberSolutions_;
  int howOften_;
  int numberSuccesses_;
  int numberTries_;
  int stateOfFixing_;
  int lastNode_;
  char *used_;
};
#endif
 
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