public void FloorTest() { double[,] matrix = { { 0.1, 0.5, 1.5 }, { -1.1, 2.5, 0.5 }, }; double[,] expected = { { 0.0, 0.0, 1.0 }, { -2.0, 2.0, 0.0 }, }; double[,] actual = Matrix.Floor(matrix); Assert.IsTrue(expected.IsEqual(actual)); } #endregion