diff -r d251c7b2de54 -r bfacef6f29c1 geometry.h
--- a/geometry.h	Thu Oct 01 11:28:50 2009 +0000
+++ b/geometry.h	Tue Mar 09 13:09:05 2010 +0000
@@ -5,6 +5,7 @@
 
 QRectF addBBox(QRectF r1, QRectF r2);
 bool isInBox(const QPointF &p, const QRectF &box);
+qreal distance (const QPointF &p, const QPointF &q);
 
 
 class Vector:public QPointF