/home/coin/SVN-release/CoinAll-1.1.0/Cbc/src/CbcHeuristicRINS.hpp

Go to the documentation of this file.

// Copyright (C) 2006, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef CbcHeuristicRINS_H
#define CbcHeuristicRINS_H

#include "CbcHeuristic.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 void setDecayFactor(double value)
  { decayFactor_=value;}
  inline char * used() const
  { return used_;}

protected:
  // Data

  int numberSolutions_;
  int howOften_;
  double decayFactor_;
  int numberSuccesses_;
  int numberTries_;
  char * used_;
};

class CbcHeuristicRENS : public CbcHeuristic {
public:

  // Default Constructor 
  CbcHeuristicRENS ();

  /* Constructor with model - assumed before cuts
     Initial version does not do Lps
  */
  CbcHeuristicRENS (CbcModel & model);
  
  // Copy constructor 
  CbcHeuristicRENS ( const CbcHeuristicRENS &);
   
  // Destructor 
  ~CbcHeuristicRENS ();
  
  virtual CbcHeuristic * clone() const;


  CbcHeuristicRENS & operator=(const CbcHeuristicRENS& rhs);

  virtual void resetModel(CbcModel * model);

  virtual void setModel(CbcModel * model);
  
  using CbcHeuristic::solution ;
  virtual int solution(double & objectiveValue,
                       double * newSolution);

protected:
  // Data
  int numberTries_;
};


#endif

---