ClpSimplexPrimal.hpp

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/* $Id: ClpSimplexPrimal.hpp 1665 2011-01-04 17:55:54Z lou $ */
// Copyright (C) 2002, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
/*
   Authors

   John Forrest

 */
#ifndef ClpSimplexPrimal_H
#define ClpSimplexPrimal_H

#include "ClpSimplex.hpp"

class ClpSimplexPrimal : public ClpSimplex {

public:

     int primal(int ifValuesPass = 0, int startFinishOptions = 0);

     void alwaysOptimal(bool onOff);
     bool alwaysOptimal() const;
     void exactOutgoing(bool onOff);
     bool exactOutgoing() const;

     int whileIterating(int valuesOption);

     int pivotResult(int ifValuesPass = 0);


     int updatePrimalsInPrimal(CoinIndexedVector * rowArray,
                               double theta,
                               double & objectiveChange,
                               int valuesPass);
     void primalRow(CoinIndexedVector * rowArray,
                    CoinIndexedVector * rhsArray,
                    CoinIndexedVector * spareArray,
                    int valuesPass);
     void primalColumn(CoinIndexedVector * updateArray,
                       CoinIndexedVector * spareRow1,
                       CoinIndexedVector * spareRow2,
                       CoinIndexedVector * spareColumn1,
                       CoinIndexedVector * spareColumn2);

     int checkUnbounded(CoinIndexedVector * ray, CoinIndexedVector * spare,
                        double changeCost);
     void statusOfProblemInPrimal(int & lastCleaned, int type,
                                  ClpSimplexProgress * progress,
                                  bool doFactorization,
                                  int ifValuesPass,
                                  ClpSimplex * saveModel = NULL);
     void perturb(int type);
     bool unPerturb();
     int unflag();
     int nextSuperBasic(int superBasicType, CoinIndexedVector * columnArray);

     void primalRay(CoinIndexedVector * rowArray);
     void clearAll();

     int lexSolve();

};
#endif