X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FValues.hs;h=070abbbf2554ea5eec5276e5496fe1554fcaf3d3;hb=638f544b522157f83b075e07a70b2f106e01ec68;hp=2efd80b6f8b167e58dde3efe1250cf48f9df79db;hpb=c954154b379c5bd444d527298c33142fb150711b;p=spline3.git

diff --git a/src/Values.hs b/src/Values.hs
index 2efd80b..070abbb 100644
--- a/src/Values.hs
+++ b/src/Values.hs
@@ -12,7 +12,7 @@ import Data.Array.Repa (
   DIM3,
   extent,
   fromList,
-  index,
+  unsafeIndex,
   reshape,
   size
   )
@@ -20,7 +20,7 @@ import Data.Array.Repa (
 import Data.Array.Repa.IO.Vector (readVectorFromTextFile,
                                   writeVectorToTextFile)
 import System.FilePath ()
-import Test.QuickCheck (Arbitrary(..), Gen)
+import Test.QuickCheck (Arbitrary(..), Gen, choose, vectorOf)
 
 
 import ScaleFactor
@@ -33,23 +33,16 @@ type Values3D = Array DIM3 Double
 
 instance Arbitrary Values3D where
     arbitrary = do
-      x_dim <- arbitrary :: Gen Int
-      y_dim <- arbitrary :: Gen Int
-      z_dim <- arbitrary :: Gen Int
-      one_d <- arbitrary :: Gen Values1D
+      -- I declare not to care about empty lists.
+      x_dim <- choose (1, 27)
+      y_dim <- choose (1, 27)
+      z_dim <- choose (1, 27)
+      elements <- vectorOf (x_dim * y_dim * z_dim) (arbitrary :: Gen Double)
       let new_shape = (Z :. x_dim :. y_dim :. z_dim)
-      let three_d = reshape new_shape one_d
+      let three_d = Data.Array.Repa.fromList new_shape elements
       return three_d
 
 
-instance Arbitrary Values1D where
-    arbitrary = do
-      x <- arbitrary :: Gen [Double]
-      let shape = (Z :. (length x))
-      let one_d = Data.Array.Repa.fromList shape x
-      return one_d
-
-
 read_values_1d :: FilePath -> IO Values1D
 read_values_1d = readVectorFromTextFile
 
@@ -79,7 +72,7 @@ dims v3d =
 
 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)