X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FTests%2FCube.hs;h=e9e21d6fad3f5fd389050ce135b1d54d631155ff;hb=9849853e69c46b46996e8c775d15661b2aba27a8;hp=0a1cc504179e9e0c7a79dae01c8ced961ac8b434;hpb=86d39fb9ddd83414f4b896bea89404e9786ff0d0;p=spline3.git

diff --git a/src/Tests/Cube.hs b/src/Tests/Cube.hs
index 0a1cc50..e9e21d6 100644
--- a/src/Tests/Cube.hs
+++ b/src/Tests/Cube.hs
@@ -8,7 +8,6 @@ import Comparisons
 import Cube hiding (i, j, k)
 import FunctionValues
 import Misc (all_equal, disjoint)
-import Tests.FunctionValues ()
 import Tetrahedron (b0, b1, b2, b3, c, fv,
                     v0, v1, v2, v3, volume)
 
@@ -399,38 +398,28 @@ prop_c_tilde_2100_rotation_correct cube =
               (1/192)*(FD + RD + LD + BD)
 
 
--- | We know what (c t6 2 1 0 0) should be from Sorokina and Zeilfelder, p. 87.
---   This test checks the actual value based on the FunctionValues of the cube.
+-- | We know what (c t6 2 1 0 0) should be from Sorokina and
+--   Zeilfelder, p. 87.  This test checks the actual value based on
+--   the FunctionValues of the cube.
+--
+--   If 'prop_c_tilde_2100_rotation_correct' passes, then this test is
+--   even meaningful!
 prop_c_tilde_2100_correct :: Cube -> Bool
 prop_c_tilde_2100_correct cube =
-    c t6 2 1 0 0 == (3/8)*int
-                    + (1/12)*(f + r + l + b)
-                    + (1/64)*(ft + rt + lt + bt)
-                    + (7/48)*t + (1/48)*d + (1/96)*(fr + fl + br + bl)
-                    + (1/192)*(fd + rd + ld + bd)
+    c t6 2 1 0 0 == expected
     where
       t0 = tetrahedron0 cube
       t6 = tetrahedron6 cube
       fvs = Tetrahedron.fv t0
-      int = interior fvs
-      f = front fvs
-      r = right fvs
-      l = left fvs
-      b = back fvs
-      ft = front_top fvs
-      rt = right_top fvs
-      lt = left_top fvs
-      bt = back_top fvs
-      t = top fvs
-      d = down fvs
-      fr = front_right fvs
-      fl = front_left fvs
-      br = back_right fvs
-      bl = back_left fvs
-      fd = front_down fvs
-      rd = right_down fvs
-      ld = left_down fvs
-      bd = back_down fvs
+      expected = eval fvs $
+                  (3/8)*I +
+                  (1/12)*(F + R + L + B) +
+                  (1/64)*(FT + RT + LT + BT) +
+                  (7/48)*T +
+                  (1/48)*D +
+                  (1/96)*(FR + FL + BR + BL) +
+                  (1/192)*(FD + RD + LD + BD)
+
 
 -- Tests to check that the correct edges are incidental.
 prop_t0_shares_edge_with_t1 :: Cube -> Bool