template<unsigned int rows, unsigned int cols>
class Matrix
{
// Protected/private means that you cannot access
// this names from outside the class
protected:
	//////////////////////////////////////////////////
	// Class fields
	//////////////////////////////////////////////////

	/// Matrix data as STATIC array
	double data[rows * cols];

public:
	// Constructors are executed when you create
	// a new variable of type Matrix

	/**
	 * Default constructor, doesn't do anything
	 */
	Matrix()
	{
		//
	}

	/**
	 * Returns number of columns
	 */
	unsigned int numRows() const
	{
		return rows;
	}

	/**
	 * Returns number of columns
	 */
	unsigned int numCols() const
	{
		return cols;
	}

	/**
	 * Custom subscript operator, returns address of
	 * first element of i-th row
	 */
	double * operator[](unsigned int i)
	{
		return data + (i * cols);
	}
};