Matd.h

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// ****************************************************************************
// Filename:  Matd.h
// Author:    Pedram Azad
// Date:      2004
// ****************************************************************************


#ifndef _MAT_D_H_
#define _MAT_D_H_


// ****************************************************************************
// Necessary includes
// ****************************************************************************

#include "Vecd.h"



// ****************************************************************************
// CMatd
// ****************************************************************************

class CMatd
{
public:
        // constructors
        CMatd();
        CMatd(int nRows, int nColumns);
        CMatd(const CMatd &m);

        // destructor
        ~CMatd();


        // operators
        double& operator() (int nRow, int nColumn) const;
        CMatd& operator= (const CMatd &v);
        void operator*= (const double s);
        CMatd operator* (const double s);
        CVecd operator* (const CVecd &v);
        CMatd operator* (const CMatd &m);
        CMatd operator+ (const CMatd &m);
        CMatd operator- (const CMatd &m);

        // methods
        void Zero();
        bool Unit();
        CMatd Invert() const;
        void SetSize(int nRows, int nColumns);
        CMatd GetTransposed();

        // member access
        int GetRows() const { return m_nRows; }
        int GetColumns() const { return m_nColumns; }


private:
        // private attributes
        double **m_ppElements;
        int m_nRows;
        int m_nColumns;
};



#endif /* _MAT_D_H_ */