CbcBranchCut.hpp

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/* $Id$ */
// Copyright (C) 2004, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
#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
 
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