Matrix2D.h

template<typename T>
class Matrix2D {
private:
    int width;
    int height;
    T* matrix;

    friend std::ostream& operator<<(std::ostream &, const Matrix2D<T> &);

public:
    Matrix2D<T>(int, int);
};

template<typename T>
inline std::ostream & operator<<(std::ostream & strm, const Matrix2D<T> & matrix)
{
    for (int y = 0; y < matrix.getHeight(); y++) {
        strm << "[";
        for (int x = 0; x < matrix.getWidth() - 1; x++) {
            strm << matrix.index(x, y) << ", ";
        }
        strm << matrix.index(matrix.getWidth(), y) << "]" << std::endl;
    }
    return strm;
}