DoubleMatrix.h

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// ****************************************************************************
// Filename:  DoubleMatrix.h
// Author:    Pedram Azad
// Date:      2005
// ****************************************************************************


#ifndef __DOUBLE_MATRIX_H__
#define __DOUBLE_MATRIX_H__



// ****************************************************************************
// CDoubleMatrix
// ****************************************************************************

class CDoubleMatrix
{
public:
        // constructors
        CDoubleMatrix();
        CDoubleMatrix(int nColumns, int nRows, bool bHeaderOnly = false);

        // copy constructors (will copy header and allocate memory)
        CDoubleMatrix(const CDoubleMatrix *pMatrix, bool bHeaderOnly = false);
        CDoubleMatrix(const CDoubleMatrix &matrix, bool bHeaderOnly = false);

        // destructor
        ~CDoubleMatrix();

        // operators
        inline double& operator() (const int nColumn, const int nRow) { return data[nRow * columns + nColumn]; }
        inline double* operator[] (const int nRow) { return data + nRow * columns; }

        inline const double& operator() (const int nColumn, const int nRow) const { return data[nRow * columns + nColumn]; }
        inline const double* operator[] (const int nRow) const { return data + nRow * columns; }

private:
        // private methods
        bool LoadFromFileText(const char *pFileName);
        void FreeMemory();
        

public:
        // public attributes - not clean OOP design but easy access
        int columns;
        int rows;
        double *data;

private:
        // private attributes - only used internally
        bool m_bOwnMemory;
};



#endif /* __DOUBLE_MATRIX_H__ */