Fix some hlint warnings.

[spline3.git] / src / Point.hs

diff --git a/src/Point.hs b/src/Point.hs
index bf6fe8ea9a2f6fc4e3ce59168cd7ce798981e894..a92041e89845147f31af704f53613383c4244ee6 100644 (file)
--- a/src/Point.hs
+++ b/src/Point.hs
@@ -18,33 +18,9 @@ z_coord :: Point -> Double
 z_coord (_, _, z) = z
 
 instance Num Point where
-    p1 + p2 = (x1+x2, y1+y2, z1+z2)
-        where
-          x1 = x_coord p1
-          x2 = x_coord p2
-          y1 = y_coord p1
-          y2 = y_coord p2
-          z1 = z_coord p1
-          z2 = z_coord p2
-
-    p1 - p2 = (x1-x2, y1-y2, z1-z2)
-        where
-          x1 = x_coord p1
-          x2 = x_coord p2
-          y1 = y_coord p1
-          y2 = y_coord p2
-          z1 = z_coord p1
-          z2 = z_coord p2
-
-    p1 * p2 = (x1*x2, y1*y2, z1*z2)
-        where
-          x1 = x_coord p1
-          x2 = x_coord p2
-          y1 = y_coord p1
-          y2 = y_coord p2
-          z1 = z_coord p1
-          z2 = z_coord p2
-
+    (x1,y1,z1) + (x2,y2,z2) = (x1+x2, y1+y2, z1+z2)
+    (x1,y1,z1) - (x2,y2,z2) = (x1-x2, y1-y2, z1-z2)
+    (x1,y1,z1) * (x2,y2,z2) = (x1*x2, y1*y2, z1*z2)
     abs (x, y, z) = (abs x, abs y, abs z)
     signum (x, y, z) = (signum x, signum y, signum z)
     fromInteger n = (fromInteger n, fromInteger n, fromInteger n)