44 ,
edgeIDs(dn.periodicPlaneEdge.
first? (dn.periodicPlaneEdge.second ? std::make_pair(dn.periodicPlaneEdge.
first->edgeID,dn.periodicPlaneEdge.second->edgeID) : std::make_pair(dn.periodicPlaneEdge.
first->edgeID,(short int) -1)) : std::make_pair((short int) -1,(short int) -1))