[ 24, 25, 26 ]]]
naturals :: Values3D
-naturals = Repa.fromList (n_cube 3) $ flatten naturals_list
\ No newline at end of file
+naturals = Repa.fromList (n_cube 3) $ flatten naturals_list
+
+
+
+naturals_1d_list :: [[[Double]]]
+naturals_1d_list =[[[1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]]]
+
+
+twenty_vector :: Repa.DIM3
+twenty_vector = (Repa.Z Repa.:. 1 Repa.:. 20 Repa.:. 1)
+
+-- | Used in at least one test where we need a 1x20x1 array.
+naturals_1d :: Values3D
+naturals_1d = Repa.fromList twenty_vector (flatten naturals_1d_list)