DoubleMatrix.cpp

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


// ****************************************************************************
// Includes
// ****************************************************************************

#include <new> // for explicitly using correct new/delete operators on VC DSPs

#include "DoubleMatrix.h"

#include "Helpers/helpers.h"

#include <stdio.h>
#include <string>



// ****************************************************************************
// Constructors / Destructor
// ****************************************************************************

CDoubleMatrix::CDoubleMatrix()
{
        columns = 0;
        rows = 0;
        data = 0;
        m_bOwnMemory = false;
}

CDoubleMatrix::CDoubleMatrix(int nColumns, int nRows, bool bHeaderOnly)
{
        columns = nColumns;
        rows = nRows;

        if (bHeaderOnly)
        {
                data = 0;
                m_bOwnMemory = false;
        }
        else
        {
        data = new double[columns * rows];
                m_bOwnMemory = true;
        }
}

CDoubleMatrix::CDoubleMatrix(const CDoubleMatrix &matrix, bool bHeaderOnly)
{
        columns = matrix.columns;
        rows = matrix.rows;
        
        if (bHeaderOnly)
        {
                data = 0;
                m_bOwnMemory = false;
        }
        else
        {
                data = new double[columns * rows];
                m_bOwnMemory = true;
        }
}


CDoubleMatrix::CDoubleMatrix(const CDoubleMatrix *pMatrix, bool bHeaderOnly)
{
        columns = pMatrix->columns;
        rows = pMatrix->rows;
        
        if (bHeaderOnly)
        {
                data = 0;
                m_bOwnMemory = false;
        }
        else
        {
                data = new double[columns * rows];
                m_bOwnMemory = true;
        }
}

CDoubleMatrix::~CDoubleMatrix()
{
    FreeMemory();
}


// ****************************************************************************
// Methods
// ****************************************************************************

void CDoubleMatrix::FreeMemory()
{
        if (data)
        {
                if (m_bOwnMemory)
            delete [] data;

                data = 0;
                m_bOwnMemory = false;
        }
}