public void Addition() { Matrix33D m1 = new Matrix33D(columnMajor, MatrixOrder.ColumnMajor); Matrix33D m2 = Matrix33D.One; Matrix33D result = Matrix33D.Add(m1, m2); for (int i = 0; i < 9; i++) Assert.AreEqual(rowMajor[i] + 1.0, result[i]); }