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/build/buildd/coinor-cbc-2.5.0/Cbc/src/CbcHeuristicDINS.hpp

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00001 // edwin 12/5/09 carved out of CbcHeuristicRINS
00002 #ifndef CbcHeuristicDINS_H
00003 #define CbcHeuristicDINS_H
00004 
00005 #include "CbcHeuristic.hpp"
00006 
00007 
00008 class CbcHeuristicDINS : public CbcHeuristic {
00009 public:
00010 
00011     // Default Constructor
00012     CbcHeuristicDINS ();
00013 
00014     /* Constructor with model - assumed before cuts
00015        Initial version does not do Lps
00016     */
00017     CbcHeuristicDINS (CbcModel & model);
00018 
00019     // Copy constructor
00020     CbcHeuristicDINS ( const CbcHeuristicDINS &);
00021 
00022     // Destructor
00023     ~CbcHeuristicDINS ();
00024 
00026     virtual CbcHeuristic * clone() const;
00027 
00028 
00030     CbcHeuristicDINS & operator=(const CbcHeuristicDINS& rhs);
00031 
00033     virtual void generateCpp( FILE * fp) ;
00034 
00036     virtual void resetModel(CbcModel * model);
00037 
00039     virtual void setModel(CbcModel * model);
00040 
00041     using CbcHeuristic::solution ;
00046     virtual int solution(double & objectiveValue,
00047                          double * newSolution);
00049     int solutionFix(double & objectiveValue,
00050                     double * newSolution,
00051                     const int * keep);
00052 
00054     inline void setHowOften(int value) {
00055         howOften_ = value;
00056     }
00058     inline void setMaximumKeep(int value) {
00059         maximumKeepSolutions_ = value;
00060     }
00062     inline void setConstraint(int value) {
00063         localSpace_ = value;
00064     }
00065 
00066 protected:
00067     // Data
00068 
00070     int numberSolutions_;
00072     int howOften_;
00074     int numberSuccesses_;
00076     int numberTries_;
00078     int maximumKeepSolutions_;
00080     int numberKeptSolutions_;
00082     int numberIntegers_;
00084     int localSpace_;
00086     int ** values_;
00087 };
00088 
00089 #endif
00090 

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