public void ToArrayJagged() { Matrix44D m = new Matrix44D(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16); double[][] array = m.ToArrayJagged(); for (int i = 0; i < 4; i++) for (int j = 0; j < 4; j++) Assert.AreEqual(i * 4 + j + 1, array[i][j]); array = (double[][])m; for (int i = 0; i < 4; i++) for (int j = 0; j < 4; j++) Assert.AreEqual(i * 4 + j + 1, array[i][j]); }