Fix typos in output-distance.

diff --git a/scripts/build/output-distance.py b/scripts/build/output-distance.py
index afc4cf908fd6a50f8b64c9503f08611f335fb8e0..2b49689cdf69c995a63098994f7624f0db9b619d 100644 (file)
--- a/scripts/build/output-distance.py
+++ b/scripts/build/output-distance.py
@@ -120,11 +120,11 @@ def bbox_is_empty (b):
 
 def bbox_union (b1, b2):
     return (interval_union (b1[X_AXIS], b2[X_AXIS]),
-            interval_union (b2[Y_AXIS], b2[Y_AXIS]))
+            interval_union (b1[Y_AXIS], b2[Y_AXIS]))
             
 def bbox_intersection (b1, b2):
     return (interval_intersect (b1[X_AXIS], b2[X_AXIS]),
-            interval_intersect (b2[Y_AXIS], b2[Y_AXIS]))
+            interval_intersect (b1[Y_AXIS], b2[Y_AXIS]))
 
 def bbox_area (b):
     return interval_length (b[X_AXIS]) * interval_length (b[Y_AXIS])