| i <- [0..xmax],
j <- [0..ymax],
k <- [0..zmax],
- let cube_ijk = Cube (h g) i j k (make_values fvs i j k)]
+ let delta = h g,
+ let tet_vol = (1/24)*(delta^(3::Int)),
+ let cube_ijk =
+ Cube delta i j k (make_values fvs i j k) tet_vol]
where
xmax = xsize - 1
ymax = ysize - 1
-- returns cube #1 if we would have returned cube #0 and cube #1
-- exists.
| coord == offset && (xsize > 0 && ysize > 0 && zsize > 0) = 1
+ | coord < offset = 0
| otherwise = (ceiling ( (coord + offset) / cube_width )) - 1
where
(xsize, ysize, zsize) = dims (function_values g)