X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FGrid.hs;h=71e39a055110aab2a8be5378f374d8051bc1be93;hb=5c2ac2ca74f2657ff8af381d3bcda72a37b39fb7;hp=0131a64b8460ad42010346b4a87ae3a4d6482f99;hpb=de6759db987b07efdd5bf1f238f2d0d9eb8d3d4c;p=spline3.git

diff --git a/src/Grid.hs b/src/Grid.hs
index 0131a64..71e39a0 100644
--- a/src/Grid.hs
+++ b/src/Grid.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE BangPatterns #-}
 -- | The Grid module just contains the Grid type and two constructors
 --   for it. We hide the main Grid constructor because we don't want
 --   to allow instantiation of a grid with h <= 0.
@@ -11,7 +12,7 @@ module Grid (
 where
 
 import qualified Data.Array.Repa as R
-import Test.HUnit
+import Test.HUnit (Assertion, assertEqual)
 import Test.Framework (Test, testGroup)
 import Test.Framework.Providers.HUnit (testCase)
 import Test.Framework.Providers.QuickCheck2 (testProperty)
@@ -21,18 +22,18 @@ import Test.QuickCheck ((==>),
                         Positive(..),
                         Property,
                         choose)
-import Assertions
-import Comparisons
+import Assertions (assertAlmostEqual, assertClose, assertTrue)
+import Comparisons ((~=))
 import Cube (Cube(Cube),
              find_containing_tetrahedron,
              tetrahedra,
              tetrahedron)
-import Examples
-import FunctionValues
+import Examples (trilinear, trilinear9x9x9, zeros, naturals_1d)
+import FunctionValues (make_values, value_at)
 import Point (Point)
-import ScaleFactor
+import ScaleFactor (ScaleFactor)
 import Tetrahedron (Tetrahedron, c, polynomial, v0, v1, v2, v3)
-import ThreeDimensional
+import ThreeDimensional (ThreeDimensional(..))
 import Values (Values3D, dims, empty3d, zoom_shape)
 
 
@@ -65,7 +66,7 @@ make_grid grid_size values
 --   centered on that position. If there is no cube there (i.e. the
 --   position is outside of the grid), it will throw an error.
 cube_at :: Grid -> Int -> Int -> Int -> Cube
-cube_at g i j k
+cube_at !g !i !j !k
     | i < 0      = error "i < 0 in cube_at"
     | i >= xsize = error "i >= xsize in cube_at"
     | j < 0      = error "j < 0 in cube_at"