public void TestDtw()
 {
     int[,] tss      = { { 1, 1, 1, 1, 1 }, { 2, 2, 2, 2, 2 }, { 3, 3, 3, 3, 3 }, { 4, 4, 4, 4, 4 }, { 5, 5, 5, 5, 5 } };
     int[,] expected =
     { { 0, 0, 0, 0, 0 }, { 5, 0, 0, 0, 0 }, { 10, 5, 0, 0, 0 }, { 15, 10, 5, 0, 0 }, { 20, 15, 10, 5, 0 } };
     using (KhivaArray arr = KhivaArray.Create(tss), dtw = Distances.Dtw(arr))
     {
         var result = dtw.GetData2D <int>();
         Assert.AreEqual(expected, result);
     }
 }