CbcBranchCut.hpp

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/* $Id: CbcBranchCut.hpp 2465 2019-01-03 19:26:52Z unxusr $ */
// 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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