Fix a naming conflict.

diff --git a/src/Tetrahedron.hs b/src/Tetrahedron.hs
index b8d4fe67943ef30db4b14f00f87c7bc5bee96b2c..613b863a49953b57120884b15c83d7ebd733a187 100644 (file)
--- a/src/Tetrahedron.hs
+++ b/src/Tetrahedron.hs
@@ -72,7 +72,7 @@ instance ThreeDimensional Tetrahedron where
     center (Tetrahedron _ v0' v1' v2' v3' _) =
         (v0' + v1' + v2' + v3') `scale` (1/4)
 
-    contains_point t p =
+    contains_point t p0 =
       b0_unscaled `nearly_ge` 0 &&
       b1_unscaled `nearly_ge` 0 &&
       b2_unscaled `nearly_ge` 0 &&
@@ -82,19 +82,19 @@ instance ThreeDimensional Tetrahedron where
         -- would do if we used the regular b0,..b3 functions.
         b0_unscaled :: Double
         b0_unscaled = volume inner_tetrahedron
-          where inner_tetrahedron = t { v0 = p }
+          where inner_tetrahedron = t { v0 = p0 }
 
         b1_unscaled :: Double
         b1_unscaled = volume inner_tetrahedron
-          where inner_tetrahedron = t { v1 = p }
+          where inner_tetrahedron = t { v1 = p0 }
 
         b2_unscaled :: Double
         b2_unscaled = volume inner_tetrahedron
-          where inner_tetrahedron = t { v2 = p }
+          where inner_tetrahedron = t { v2 = p0 }
 
         b3_unscaled :: Double
         b3_unscaled = volume inner_tetrahedron
-          where inner_tetrahedron = t { v3 = p }
+          where inner_tetrahedron = t { v3 = p0 }
 
 
 polynomial :: Tetrahedron -> (RealFunction Point)