DIM3,
extent,
fromList,
- index,
+ unsafeIndex,
reshape,
size
)
import ScaleFactor
-type Values1D = Array DIM1 Double
-type Values2D = Array DIM2 Double
-type Values3D = Array DIM3 Double
+type Values sh = Array sh Double
+type Values1D = Values DIM1
+type Values2D = Values DIM2
+type Values3D = Values DIM3
instance Arbitrary Values3D where
idx :: Values3D -> Int -> Int -> Int -> Double
idx v3d i j k =
- index v3d shape
+ unsafeIndex v3d shape
where
shape :: DIM3
shape = (Z :. i :. j :. k)
z' = z * sfz
in
(Z :. x' :. y' :. z')
+
+
+drop_z :: DIM3 -> DIM2
+drop_z (Z :. 1 :. y :. x) = (Z :. y :. x)
+drop_z _ = error "can't drop the z-dimension unless its size is 1"