changeset 828 | fac2248e2afa |
parent 798 | d251c7b2de54 |
child 835 | 31841b366d5e |
1.1 --- a/geometry.cpp Thu Oct 01 11:28:50 2009 +0000 1.2 +++ b/geometry.cpp Mon Mar 08 12:22:15 2010 +0000 1.3 @@ -48,6 +48,11 @@ 1.4 return false; 1.5 } 1.6 1.7 +qreal distance (const QPointF &p, const QPointF &q) 1.8 +{ 1.9 + return sqrt (p.x()*q.x() + p.y()*q.y()); 1.10 +} 1.11 + 1.12 Vector::Vector ():QPointF () 1.13 { 1.14 }