include/qpOASES/Indexlist.hpp

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/*
 *  This file is part of qpOASES.
 *
 *  qpOASES -- An Implementation of the Online Active Set Strategy.
 *  Copyright (C) 2007-2015 by Hans Joachim Ferreau, Andreas Potschka,
 *  Christian Kirches et al. All rights reserved.
 *
 *  qpOASES is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  qpOASES is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  See the GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with qpOASES; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */


#ifndef QPOASES_INDEXLIST_HPP
#define QPOASES_INDEXLIST_HPP


#include <qpOASES/Utils.hpp>


BEGIN_NAMESPACE_QPOASES


class Indexlist
{
    /*
     *  FRIENDS
     */
    friend class DenseMatrix;
    friend class SymDenseMat;
    friend class SparseMatrix;
    friend class SparseMatrixRow;
    friend class SymSparseMat;

    /*
     *  PUBLIC MEMBER FUNCTIONS
     */
    public:
        Indexlist( );

        Indexlist(  int n   
                    );

        Indexlist(  const Indexlist& rhs    
                    );

        ~Indexlist( );

        Indexlist& operator=(   const Indexlist& rhs    
                                );


        returnValue init(   int n = 0   
                            );


        returnValue getNumberArray( int** const numberarray 
                                    ) const;

        returnValue getISortArray(  int** const iSortArray  
                                    ) const;


        int getIndex(   int givennumber 
                        ) const;

        int getNumber(  int physicalindex   
                        ) const;


        inline int getLength( ) const;

        inline int getLastNumber( ) const;


        returnValue addNumber(  int addnumber           
                                );

        returnValue removeNumber(   int removenumber    
                                    );

        returnValue swapNumbers(    int number1,        
                                    int number2         
                                    );

        inline BooleanType isMember(    int _number     
                                        ) const;


    /*
     *  PROTECTED MEMBER FUNCTIONS
     */
    protected:
        returnValue clear( );

        returnValue copy(   const Indexlist& rhs    
                            );

        int findInsert( int i
                        ) const;


    /*
     *  PROTECTED MEMBER VARIABLES
     */
    protected:
        int* number;        
        int* iSort;         
        int length;         
        int first;          
        int last;           
        int lastusedindex;  
        int physicallength; 
};

END_NAMESPACE_QPOASES

#include <qpOASES/Indexlist.ipp>

#endif  /* QPOASES_INDEXLIST_HPP */


/*
 *  end of file
 */