Remove some dead code from the Cube module.

diff --git a/src/Cube.hs b/src/Cube.hs
index 78c5ec21e266a2cc33308bd23a98e67c96577673..8d978f732ffeb8fe2acd7f04b46a5912ede43168 100644 (file)
--- a/src/Cube.hs
+++ b/src/Cube.hs
@@ -107,53 +107,6 @@ instance ThreeDimensional Cube where
         | otherwise = True
 
 
--- instance Num Cube where
---     (Cube g1 i1 j1 k1 d1) + (Cube _ i2 j2 k2 d2) =
---         Cube g1 (i1 + i2) (j1 + j2) (k1 + k2) (d1 + d2)
-
---     (Cube g1 i1 j1 k1 d1) - (Cube _ i2 j2 k2 d2) =
---         Cube g1 (i1 - i2) (j1 - j2) (k1 - k2) (d1 - d2)
-
---     (Cube g1 i1 j1 k1 d1) * (Cube _ i2 j2 k2 d2) =
---         Cube g1 (i1 * i2) (j1 * j2) (k1 * k2) (d1 * d2)
-
---     abs (Cube g1 i1 j1 k1 d1) =
---         Cube g1 (abs i1) (abs j1) (abs k1) (abs d1)
-
---     signum (Cube g1 i1 j1 k1 d1) =
---         Cube g1 (signum i1) (signum j1) (signum k1) (signum d1)
-
---     fromInteger x = empty_cube { datum = (fromIntegral x) }
-
--- instance Fractional Cube where
---     (Cube g1 i1 j1 k1 d1) / (Cube _ _ _ _ d2) =
---         Cube g1 i1 j1 k1 (d1 / d2)
-
---     recip (Cube g1 i1 j1 k1 d1) =
---         Cube g1 i1 j1 k1 (recip d1)
-
---     fromRational q = empty_cube { datum = fromRational q }
-
-
-
--- | Return the cube corresponding to the grid point i,j,k. The list
---   of cubes is stored as [z][y][x] but we'll be requesting it by
---   [x][y][z] so we flip the indices in the last line.
--- cube_at :: Grid -> Int -> Int -> Int -> Cube
--- cube_at g i' j' k'
---         | i' >= length (function_values g) = Cube g i' j' k' 0
---         | i' < 0                          = Cube g i' j' k' 0
---         | j' >= length ((function_values g) !! i') = Cube g i' j' k' 0
---         | j' < 0                                  = Cube g i' j' k' 0
---         | k' >= length (((function_values g) !! i') !! j') = Cube g i' j' k' 0
---         | k' < 0                                          = Cube g i' j' k' 0
---         | otherwise =
---             (((cubes g) !! k') !! j') !! i'
-
-
-
-
-
 
 -- Face stuff.