Fix all orphan instances.

[spline3.git] / src / Tests / Tetrahedron.hs

diff --git a/src/Tests/Tetrahedron.hs b/src/Tests/Tetrahedron.hs
index 393b9602a4783a7a79189038f9293285b0b94d4d..a2a7b6ebdf54fdaf6e8cdf729e4fe49d05d41ee1 100644 (file)
--- a/src/Tests/Tetrahedron.hs
+++ b/src/Tests/Tetrahedron.hs
@@ -2,25 +2,15 @@ module Tests.Tetrahedron
 where
 
 import Test.HUnit
-import Test.QuickCheck
+import Test.QuickCheck (Property, (==>))
 
 import Cardinal
 import Comparisons
-import Point
 import FunctionValues
 import Tests.FunctionValues()
 import Tetrahedron
 import ThreeDimensional
 
-instance Arbitrary Tetrahedron where
-    arbitrary = do
-      rnd_v0 <- arbitrary :: Gen Point
-      rnd_v1 <- arbitrary :: Gen Point
-      rnd_v2 <- arbitrary :: Gen Point
-      rnd_v3 <- arbitrary :: Gen Point
-      rnd_fv <- arbitrary :: Gen FunctionValues
-      return (Tetrahedron rnd_fv rnd_v0 rnd_v1 rnd_v2 rnd_v3)
-
 -- HUnit Tests