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CbcBranchDefaultDecision.hpp
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00001 // $Id$
00002 // Copyright (C) 2002, International Business Machines
00003 // Corporation and others.  All Rights Reserved.
00004 // This code is licensed under the terms of the Eclipse Public License (EPL).
00005 
00006 // Edwin 11/10/2009-- carved out of CbcBranchActual
00007 
00008 #ifndef CbcBranchDefaultDecision_H
00009 #define CbcBranchDefaultDecision_H
00010 
00011 #include "CbcBranchBase.hpp"
00018 class CbcBranchDefaultDecision : public CbcBranchDecision {
00019 public:
00020     // Default Constructor
00021     CbcBranchDefaultDecision ();
00022 
00023     // Copy constructor
00024     CbcBranchDefaultDecision ( const CbcBranchDefaultDecision &);
00025 
00026     virtual ~CbcBranchDefaultDecision();
00027 
00029     virtual CbcBranchDecision * clone() const;
00030 
00032     virtual void initialize(CbcModel * model);
00033 
00053     virtual int betterBranch(CbcBranchingObject * thisOne,
00054                              CbcBranchingObject * bestSoFar,
00055                              double changeUp, int numInfUp,
00056                              double changeDn, int numInfDn);
00058     virtual void setBestCriterion(double value);
00059     virtual double getBestCriterion() const;
00060 
00067     virtual int
00068     bestBranch (CbcBranchingObject ** objects, int numberObjects, int numberUnsatisfied,
00069                 double * changeUp, int * numberInfeasibilitiesUp,
00070                 double * changeDown, int * numberInfeasibilitiesDown,
00071                 double objectiveValue) ;
00072 private:
00073 
00075     CbcBranchDefaultDecision & operator=(const CbcBranchDefaultDecision& rhs);
00076 
00078 
00080     double bestCriterion_;
00081 
00083     double bestChangeUp_;
00084 
00086     int bestNumberUp_;
00087 
00089     double bestChangeDown_;
00090 
00092     CbcBranchingObject * bestObject_;
00093 
00095     int bestNumberDown_;
00096 
00097 };
00098 
00099 #endif
00100 
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