AbcDualRowDantzig.hpp

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/* $Id: AbcDualRowDantzig.hpp 1910 2013-01-27 02:00:13Z stefan $ */
// Copyright (C) 2002, International Business Machines
// Corporation and others, Copyright (C) 2012, FasterCoin.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

#ifndef AbcDualRowDantzig_H
#define AbcDualRowDantzig_H

#include "AbcDualRowPivot.hpp"

//#############################################################################

class AbcDualRowDantzig : public AbcDualRowPivot {
  
public:
  

  
  virtual int pivotRow();
  
  virtual double updateWeights(CoinIndexedVector & input,CoinIndexedVector & updatedColumn);
  virtual double updateWeights1(CoinIndexedVector & input,CoinIndexedVector & updateColumn);
  virtual void updateWeightsOnly(CoinIndexedVector & /*input*/) {};
  virtual void updateWeights2(CoinIndexedVector & input,CoinIndexedVector & /*updateColumn*/) {input.clear();};
  virtual void updatePrimalSolution(CoinIndexedVector & input,
                                    double theta);
  virtual void saveWeights(AbcSimplex * model, int mode);
  virtual void recomputeInfeasibilities();
  
  

  AbcDualRowDantzig();
  
  AbcDualRowDantzig(const AbcDualRowDantzig &);
  
  AbcDualRowDantzig & operator=(const AbcDualRowDantzig& rhs);
  
  virtual ~AbcDualRowDantzig ();
  
  virtual AbcDualRowPivot * clone(bool copyData = true) const;
  
  
  //---------------------------------------------------------------------------
  
private:
  CoinIndexedVector * infeasible_;
};

#endif