/home/coin/SVN-release/Cbc-1.1.1/Cbc/src/CbcHeuristicLocal.hpp

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00001 // Copyright (C) 2002, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef CbcHeuristicLocal_H
00004 #define CbcHeuristicLocal_H
00005 
00006 #include "CbcHeuristic.hpp"
00010 class CbcHeuristicLocal : public CbcHeuristic {
00011 public:
00012 
00013   // Default Constructor 
00014   CbcHeuristicLocal ();
00015 
00016   /* Constructor with model - assumed before cuts
00017      Initial version does not do Lps
00018   */
00019   CbcHeuristicLocal (CbcModel & model);
00020   
00021   // Copy constructor 
00022   CbcHeuristicLocal ( const CbcHeuristicLocal &);
00023    
00024   // Destructor 
00025   ~CbcHeuristicLocal ();
00026   
00028   virtual CbcHeuristic * clone() const;
00029 
00031   virtual void generateCpp( FILE * fp) ;
00032 
00034   virtual void resetModel(CbcModel * model);
00035 
00037   virtual void setModel(CbcModel * model);
00038   
00050   virtual int solution(double & objectiveValue,
00051                        double * newSolution);
00053   int solutionFix(double & objectiveValue,
00054                   double * newSolution,
00055                   const int * keep);
00056 
00058   inline void setSearchType(int value)
00059   { swap_=value;};
00061   inline char * used() const
00062   { return used_;};
00063 
00064 protected:
00065   // Data
00066 
00067   // Original matrix by column
00068   CoinPackedMatrix matrix_;
00069 
00070   // Number of solutions so we only do after new solution
00071   int numberSolutions_;
00072   // Type of search 0=normal, 1=BAB
00073   int swap_;
00075   char * used_;
00076 
00077 private:
00079   CbcHeuristicLocal & operator=(const CbcHeuristicLocal& rhs);
00080 };
00081 
00082 
00083 #endif

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