CbcBranchCut.hpp

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/* $Id: CbcBranchCut.hpp 1389 2009-12-10 15:17:35Z caphillSNL $ */
// Copyright (C) 2004, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef CbcBranchCut_H
#define CbcBranchCut_H

#include "CbcBranchBase.hpp"
#include "OsiRowCut.hpp"
#include "CoinPackedMatrix.hpp"

class CbcBranchCut : public CbcObject {

public:

    // Default Constructor
    CbcBranchCut ();

    CbcBranchCut (CbcModel * model);
    // Copy constructor
    CbcBranchCut ( const CbcBranchCut &);

    virtual CbcObject * clone() const;

    // Assignment operator
    CbcBranchCut & operator=( const CbcBranchCut& rhs);

    // Destructor
    ~CbcBranchCut ();

    virtual double infeasibility(const OsiBranchingInformation * info,
                                 int &preferredWay) const;

    using CbcObject::feasibleRegion ;
    virtual void feasibleRegion();

    virtual bool boundBranch() const ;

    virtual CbcBranchingObject * createCbcBranch(OsiSolverInterface * solver, const OsiBranchingInformation * info, int way) ;

    virtual CbcBranchingObject * preferredNewFeasible() const;

    virtual CbcBranchingObject * notPreferredNewFeasible() const ;

    using CbcObject::resetBounds ;
    virtual void resetBounds();


protected:

};
class CbcCutBranchingObject : public CbcBranchingObject {

public:

    CbcCutBranchingObject ();

    CbcCutBranchingObject (CbcModel * model, OsiRowCut & down, OsiRowCut &up, bool canFix);

    CbcCutBranchingObject ( const CbcCutBranchingObject &);

    CbcCutBranchingObject & operator= (const CbcCutBranchingObject& rhs);

    virtual CbcBranchingObject * clone() const;

    virtual ~CbcCutBranchingObject ();

    using CbcBranchingObject::branch ;
    virtual double branch();

    using CbcBranchingObject::print ;
    virtual void print();

    virtual bool boundBranch() const;

    virtual CbcBranchObjType type() const {
        return CutBranchingObj;
    }

    virtual int compareOriginalObject(const CbcBranchingObject* brObj) const;

    virtual CbcRangeCompare compareBranchingObject
    (const CbcBranchingObject* brObj, const bool replaceIfOverlap = false);

protected:
    OsiRowCut down_;
    OsiRowCut up_;
    bool canFix_;
};
#endif