src/Cube.hs: make some import lists explicit.

diff --git a/src/Cube.hs b/src/Cube.hs
index df2f8abdc47d9e559e42d890f0955f2d87f6facf..5a70afc70b5b4c02a0906e4c42620c7051cfb28e 100644 (file)
--- a/src/Cube.hs
+++ b/src/Cube.hs
@@ -18,9 +18,9 @@ import qualified Data.Vector as V (
 import Prelude hiding ( LT )
 import Test.Tasty ( TestTree, testGroup )
 import Test.Tasty.QuickCheck (
-  Arbitrary(..),
+  Arbitrary( arbitrary ),
   Gen,
-  Positive(..),
+  Positive( Positive ),
   choose,
   testProperty )
 import Cardinal (
@@ -35,8 +35,12 @@ import Comparisons ( (~=), (~~=) )
 import qualified Face ( Face(..), center )
 import FunctionValues ( FunctionValues, eval, rotate )
 import Misc ( all_equal, disjoint )
-import Point ( Point(..), dot )
-import Tetrahedron ( Tetrahedron(..), barycenter, c, volume )
+import Point ( Point( Point ), dot )
+import Tetrahedron (
+  Tetrahedron(Tetrahedron, function_values, v0, v1, v2, v3),
+  barycenter,
+  c,
+  volume )
 
 data Cube = Cube { i  :: !Int,
                    j  :: !Int,