Fixed minor bug in kdtree example

MagLev · Sep 20, 2011 · fc89b13 · fc89b13
1 parent 5c6d8c8
commit fc89b13
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/examples/persistence/kdtree/lib/treekd.rb b/examples/persistence/kdtree/lib/treekd.rb
@@ -394,7 +394,7 @@ def distance_sq(other)
       when 3
         dx = @x - other.x
         dy = @y - other.y
-        dy = @z - other.z
+        dz = @z - other.z
         (dx * dx) + (dy * dy) + (dz * dz)
       else
         sum = 0