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How to write method destructor ~Matrix in my class?

06hc12306hc123 Posts: 1Member
I wrote class Matrix

[code]class Matrix
{
int rows;
int cols;
int **MT;
public:
Matrix(const Matrix &M);
Matrix(int Rows=0, int Cols=0);
Matrix();
~Matrix();
const Matrix & operator=(const Matrix &M);
friend Matrix operator+(const Matrix,const Matrix);
friend Matrix operator-(const Matrix,const Matrix);
friend Matrix operator*(const Matrix,const Matrix);
friend ostream& operator<<(ostream &, const Matrix &);
friend istream& operator>>(istream &, Matrix &);
};

Matrix::Matrix(int Rows, int Cols)
{
rows=Rows;
cols=Cols;
MT=new int *[rows];
for(int i=0; i<rows; i++)
MT[i]=new int[cols];
}

Matrix::~Matrix()
{
//what is source code here ???
}[/code]
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