AbcDualRowDantzig.hpp

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/* $Id$ */
// 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
 
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