From: Michael Orlitzky <michael@orlitzky.com>
Date: Sun, 8 May 2011 04:21:29 +0000 (-0400)
Subject: Re-enable all of the tests for (2.6) and make them pass by switchint the third and... 
X-Git-Tag: 0.0.1~311
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=spline3.git;a=commitdiff_plain;h=5109e41113a39024ef3fe799abb08de4a2ac74b0

Re-enable all of the tests for (2.6) and make them pass by switchint the third and fourth indices for T-tilde.
---

diff --git a/src/Tests/Cube.hs b/src/Tests/Cube.hs
index 26d4d33..666fde8 100644
--- a/src/Tests/Cube.hs
+++ b/src/Tests/Cube.hs
@@ -1,7 +1,6 @@
 module Tests.Cube
 where
 
-import Debug.Trace (trace)
 import Test.QuickCheck
 
 import Comparisons
@@ -263,16 +262,83 @@ prop_tetrahedron23_volumes_positive c =
     volume (tetrahedron23 c) > 0
 
 
--- | Given in Sorokina and Zeilfelder, p. 79.
---prop_c0120_identity1 :: Cube -> Bool
---prop_c0120_identity1 cube =
---   c0 ~= (c1 + c2) / 2
---     where
---       c0 = trace ("c0 :" ++ (show (c t0 0 1 2 0))) (c t0 0 1 2 0)
---       c1 = trace ("c1 :" ++ (show (c t0 0 0 2 1))) (c t0 0 0 2 1)
---       c2 = trace ("c2 :" ++ (show (c t1 0 0 2 1))) (c t1 0 0 2 1)
---       t0 = tetrahedron0 cube
---       t1 = tetrahedron1 cube
+-- | Given in Sorokina and Zeilfelder, p. 79. Note that the third and
+--   fourth indices of c-t3 have been switched. This is because we
+--   store the triangles oriented such that their volume is
+--   positive. If T and T-tilde share <v0,v1,v2> and v3,v3-tilde point
+--   in opposite directions, one of them has to have negative volume!
+prop_c0120_identity1 :: Cube -> Bool
+prop_c0120_identity1 cube =
+   c t0 0 1 2 0 ~= (c t0 0 0 2 1 + c t3 0 0 1 2) / 2
+     where
+       t0 = tetrahedron0 cube
+       t3 = tetrahedron3 cube
+
+
+-- | Given in Sorokina and Zeilfelder, p. 79. Note that the third and
+--   fourth indices of c-t3 have been switched. This is because we
+--   store the triangles oriented such that their volume is
+--   positive. If T and T-tilde share <v0,v1,v2> and v3,v3-tilde point
+--   in opposite directions, one of them has to have negative volume!
+prop_c0210_identity1 :: Cube -> Bool
+prop_c0210_identity1 cube =
+    c t0 0 2 1 0 ~= (c t0 0 1 1 1 + c t3 0 1 1 1) / 2
+      where
+        t0 = tetrahedron0 cube
+        t3 = tetrahedron3 cube
+
+
+-- | Given in Sorokina and Zeilfelder, p. 79. Note that the third and
+--   fourth indices of c-t3 have been switched. This is because we
+--   store the triangles oriented such that their volume is
+--   positive. If T and T-tilde share <v0,v1,v2> and v3,v3-tilde point
+--   in opposite directions, one of them has to have negative volume!
+prop_c0300_identity1 :: Cube -> Bool
+prop_c0300_identity1 cube =
+    c t0 0 3 0 0 ~= (c t0 0 2 0 1 + c t3 0 2 1 0) / 2
+      where
+        t0 = tetrahedron0 cube
+        t3 = tetrahedron3 cube
+
+
+-- | Given in Sorokina and Zeilfelder, p. 79. Note that the third and
+--   fourth indices of c-t3 have been switched. This is because we
+--   store the triangles oriented such that their volume is
+--   positive. If T and T-tilde share <v0,v1,v2> and v3,v3-tilde point
+--   in opposite directions, one of them has to have negative volume!
+prop_c1110_identity :: Cube -> Bool
+prop_c1110_identity cube =
+    c t0 1 1 1 0 ~= (c t0 1 0 1 1 + c t3 1 0 1 1) / 2
+      where
+        t0 = tetrahedron0 cube
+        t3 = tetrahedron3 cube
+
+
+-- | Given in Sorokina and Zeilfelder, p. 79. Note that the third and
+--   fourth indices of c-t3 have been switched. This is because we
+--   store the triangles oriented such that their volume is
+--   positive. If T and T-tilde share <v0,v1,v2> and v3,v3-tilde point
+--   in opposite directions, one of them has to have negative volume!
+prop_c1200_identity1 :: Cube -> Bool
+prop_c1200_identity1 cube =
+    c t0 1 2 0 0 ~= (c t0 1 1 0 1 + c t3 1 1 1 0) / 2
+      where
+        t0 = tetrahedron0 cube
+        t3 = tetrahedron3 cube
+
+
+-- | Given in Sorokina and Zeilfelder, p. 79. Note that the third and
+--   fourth indices of c-t3 have been switched. This is because we
+--   store the triangles oriented such that their volume is
+--   positive. If T and T-tilde share <v0,v1,v2> and v3,v3-tilde point
+--   in opposite directions, one of them has to have negative volume!
+prop_c2100_identity1 :: Cube -> Bool
+prop_c2100_identity1 cube =
+    c t0 2 1 0 0 ~= (c t0 2 0 0 1 + c t3 2 0 1 0) / 2
+      where
+        t0 = tetrahedron0 cube
+        t3 = tetrahedron3 cube
+
 
 
 -- | Given in Sorokina and Zeilfelder, p. 78.
diff --git a/src/Tests/Face.hs b/src/Tests/Face.hs
index 5e5b4c2..7c2db0f 100644
--- a/src/Tests/Face.hs
+++ b/src/Tests/Face.hs
@@ -1,58 +1,8 @@
 module Tests.Face
 where
 
--- -- | Given in Sorokina and Zeilfelder, p. 79.
--- prop_c0210_identity1 :: Cube -> Bool
--- prop_c0210_identity1 cube =
---     c t0' 0 2 1 0 ~= (c t0' 0 1 1 1 + c t1' 0 1 1 1) / 2
---       where
---         t0 = tetrahedron0 (face0 cube)
---         t1 = tetrahedron1 (face0 cube)
---         t0' = Tetrahedron cube (v3 t0) (v2 t0) (v1 t0) (v0 t0)
---         t1' = Tetrahedron cube (v3 t1) (v2 t1) (v0 t1) (v1 t1)
-
-
--- -- | Given in Sorokina and Zeilfelder, p. 79.
--- prop_c0300_identity1 :: Cube -> Bool
--- prop_c0300_identity1 cube =
---     c t0' 0 3 0 0 ~= (c t0' 0 2 0 1 + c t1' 0 2 0 1) / 2
---       where
---         t0 = tetrahedron0 (face0 cube)
---         t1 = tetrahedron1 (face0 cube)
---         t0' = Tetrahedron cube (v3 t0) (v2 t0) (v1 t0) (v0 t0)
---         t1' = Tetrahedron cube (v3 t1) (v2 t1) (v0 t1) (v1 t1)
-
--- -- | Given in Sorokina and Zeilfelder, p. 79.
--- prop_c1110_identity :: Cube -> Bool
--- prop_c1110_identity cube =
---     c t0' 1 1 1 0 ~= (c t0' 1 0 1 1 + c t1' 1 0 1 1) / 2
---       where
---         t0 = tetrahedron0 (face0 cube)
---         t1 = tetrahedron1 (face0 cube)
---         t0' = Tetrahedron cube (v3 t0) (v2 t0) (v1 t0) (v0 t0)
---         t1' = Tetrahedron cube (v3 t1) (v2 t1) (v0 t1) (v1 t1)
 
 
--- -- | Given in Sorokina and Zeilfelder, p. 79.
--- prop_c1200_identity1 :: Cube -> Bool
--- prop_c1200_identity1 cube =
---     c t0' 1 2 0 0 ~= (c t0' 1 1 0 1 + c t1' 1 1 0 1) / 2
---       where
---         t0 = tetrahedron0 (face0 cube)
---         t1 = tetrahedron1 (face0 cube)
---         t0' = Tetrahedron cube (v3 t0) (v2 t0) (v1 t0) (v0 t0)
---         t1' = Tetrahedron cube (v3 t1) (v2 t1) (v0 t1) (v1 t1)
-
-
--- -- | Given in Sorokina and Zeilfelder, p. 79.
--- prop_c2100_identity1 :: Cube -> Bool
--- prop_c2100_identity1 cube =
---     c t0' 2 1 0 0 ~= (c t0' 2 0 0 1 + c t1' 2 0 0 1) / 2
---       where
---         t0 = tetrahedron0 (face0 cube)
---         t1 = tetrahedron1 (face0 cube)
---         t0' = Tetrahedron cube (v3 t0) (v2 t0) (v1 t0) (v0 t0)
---         t1' = Tetrahedron cube (v3 t1) (v2 t1) (v0 t1) (v1 t1)
 
 
 -- -- | Given in Sorokina and Zeilfelder, p. 79.
diff --git a/test/TestSuite.hs b/test/TestSuite.hs
index ce386db..0e0055d 100644
--- a/test/TestSuite.hs
+++ b/test/TestSuite.hs
@@ -2,7 +2,7 @@ import Test.HUnit
 import Test.QuickCheck
 
 import Tests.Cardinal
-import Tests.Cube
+import Tests.Cube as TC
 import Tests.Grid
 import Tests.Misc
 import Tests.Tetrahedron as TT
@@ -29,9 +29,6 @@ main = do
 
   putStrLn "\nCube Tests\n"
 
-  -- putStr "prop_c0120_identity1... "
-  -- quickCheckWith qc_args prop_c0120_identity1
-
   putStr "prop_all_volumes_positive... "
   quickCheckWith qc_args prop_all_volumes_positive
 
@@ -137,94 +134,31 @@ main = do
   putStr "prop_v0_all_equal... "
   quickCheckWith qc_args prop_v0_all_equal
 
---  putStrLn "\np. 78, (2.5)\n"
-
---  putStr "prop_cijk1_identity... "
---  quickCheckWith qc_args prop_cijk1_identity
-
-
-  putStrLn "\nMisc Tests\n"
-
-  putStr "prop_factorial_greater... "
-  quickCheckWith qc_args prop_factorial_greater
-
-  putStrLn "\nTetrahedron Tests\n"
-
-  putStr "prop_b0_v0_always_unity... "
-  quickCheckWith qc_args prop_b0_v0_always_unity
-
-  putStr "prop_b0_v1_always_zero... "
-  quickCheckWith qc_args prop_b0_v1_always_zero
-
-  putStr "prop_b0_v2_always_zero... "
-  quickCheckWith qc_args prop_b0_v2_always_zero
-
-  putStr "prop_b0_v3_always_zero... "
-  quickCheckWith qc_args prop_b0_v3_always_zero
-
-  putStr "prop_b1_v1_always_unity... "
-  quickCheckWith qc_args prop_b1_v1_always_unity
-
-  putStr "prop_b1_v0_always_zero... "
-  quickCheckWith qc_args prop_b1_v0_always_zero
-
-  putStr "prop_b1_v2_always_zero... "
-  quickCheckWith qc_args prop_b1_v2_always_zero
-
-  putStr "prop_b1_v3_always_zero... "
-  quickCheckWith qc_args prop_b1_v3_always_zero
-
-  putStr "prop_b2_v2_always_unity... "
-  quickCheckWith qc_args prop_b2_v2_always_unity
-
-  putStr "prop_b2_v0_always_zero... "
-  quickCheckWith qc_args prop_b2_v0_always_zero
-
-  putStr "prop_b2_v1_always_zero... "
-  quickCheckWith qc_args prop_b2_v1_always_zero
+  -- putStrLn "\np. 78, (2.5)\n"
 
-  putStr "prop_b2_v3_always_zero... "
-  quickCheckWith qc_args prop_b2_v3_always_zero
-
-  putStr "prop_b3_v3_always_unity... "
-  quickCheckWith qc_args prop_b3_v3_always_unity
-
-  putStr "prop_b3_v0_always_zero... "
-  quickCheckWith qc_args prop_b3_v0_always_zero
+  -- putStr "prop_cijk1_identity... "
+  -- quickCheckWith qc_args prop_cijk1_identity
 
-  putStr "prop_b3_v1_always_zero... "
-  quickCheckWith qc_args prop_b3_v1_always_zero
 
-  putStr "prop_b3_v2_always_zero... "
-  quickCheckWith qc_args prop_b3_v2_always_zero
+  -- putStrLn "\np. 79, (2.6)\n"
 
-  putStrLn "\np. 78, (2.4)\n"
+  putStr "prop_c0120_identity1... "
+  quickCheckWith qc_args TC.prop_c0120_identity1
 
-  putStr "prop_c3000_identity... "
-  quickCheckWith qc_args TT.prop_c3000_identity
+  putStr "prop_c0210_identity1... "
+  quickCheckWith qc_args TC.prop_c0210_identity1
 
-  putStr "prop_c2100_identity... "
-  quickCheckWith qc_args TT.prop_c2100_identity
+  putStr "prop_c0300_identity1... "
+  quickCheckWith qc_args TC.prop_c0300_identity1
 
   putStr "prop_c1110_identity... "
-  quickCheckWith qc_args TT.prop_c1110_identity
-
-  -- putStrLn "\np. 79, (2.6)\n"
+  quickCheckWith qc_args TC.prop_c1110_identity
 
-  -- putStr "prop_c0210_identity1... "
-  -- quickCheckWith qc_args TF.prop_c0210_identity1
+  putStr "prop_c1200_identity1... "
+  quickCheckWith qc_args TC.prop_c1200_identity1
 
-  -- putStr "prop_c0300_identity1... "
-  -- quickCheckWith qc_args TF.prop_c0300_identity1
-
-  -- putStr "prop_c1110_identity... "
-  -- quickCheckWith qc_args TF.prop_c1110_identity
-
-  -- putStr "prop_c1200_identity1... "
-  -- quickCheckWith qc_args prop_c1200_identity1
-
-  -- putStr "prop_c2100_identity1... "
-  -- quickCheckWith qc_args TF.prop_c2100_identity1
+  putStr "prop_c2100_identity1... "
+  quickCheckWith qc_args TC.prop_c2100_identity1
 
   -- putStrLn "\np. 79, (2.7)\n"
 
@@ -286,6 +220,74 @@ main = do
   -- putStr "prop_c0300_identity3... "
   -- quickCheckWith qc_args TF.prop_c0300_identity3
 
+
+  putStrLn "\nMisc Tests\n"
+
+  putStr "prop_factorial_greater... "
+  quickCheckWith qc_args prop_factorial_greater
+
+  putStrLn "\nTetrahedron Tests\n"
+
+  putStr "prop_b0_v0_always_unity... "
+  quickCheckWith qc_args prop_b0_v0_always_unity
+
+  putStr "prop_b0_v1_always_zero... "
+  quickCheckWith qc_args prop_b0_v1_always_zero
+
+  putStr "prop_b0_v2_always_zero... "
+  quickCheckWith qc_args prop_b0_v2_always_zero
+
+  putStr "prop_b0_v3_always_zero... "
+  quickCheckWith qc_args prop_b0_v3_always_zero
+
+  putStr "prop_b1_v1_always_unity... "
+  quickCheckWith qc_args prop_b1_v1_always_unity
+
+  putStr "prop_b1_v0_always_zero... "
+  quickCheckWith qc_args prop_b1_v0_always_zero
+
+  putStr "prop_b1_v2_always_zero... "
+  quickCheckWith qc_args prop_b1_v2_always_zero
+
+  putStr "prop_b1_v3_always_zero... "
+  quickCheckWith qc_args prop_b1_v3_always_zero
+
+  putStr "prop_b2_v2_always_unity... "
+  quickCheckWith qc_args prop_b2_v2_always_unity
+
+  putStr "prop_b2_v0_always_zero... "
+  quickCheckWith qc_args prop_b2_v0_always_zero
+
+  putStr "prop_b2_v1_always_zero... "
+  quickCheckWith qc_args prop_b2_v1_always_zero
+
+  putStr "prop_b2_v3_always_zero... "
+  quickCheckWith qc_args prop_b2_v3_always_zero
+
+  putStr "prop_b3_v3_always_unity... "
+  quickCheckWith qc_args prop_b3_v3_always_unity
+
+  putStr "prop_b3_v0_always_zero... "
+  quickCheckWith qc_args prop_b3_v0_always_zero
+
+  putStr "prop_b3_v1_always_zero... "
+  quickCheckWith qc_args prop_b3_v1_always_zero
+
+  putStr "prop_b3_v2_always_zero... "
+  quickCheckWith qc_args prop_b3_v2_always_zero
+
+  putStrLn "\np. 78, (2.4)\n"
+
+  putStr "prop_c3000_identity... "
+  quickCheckWith qc_args TT.prop_c3000_identity
+
+  putStr "prop_c2100_identity... "
+  quickCheckWith qc_args TT.prop_c2100_identity
+
+  putStr "prop_c1110_identity... "
+  quickCheckWith qc_args TT.prop_c1110_identity
+
+
   putStrLn "\nCardinal Tests\n"
 
   putStr "prop_ccwx_rotation_changes_direction... "