I think this is a known problem, see e.g.: http://lists.gnu.org/archive/html/igraph-help/2010-02/msg00063.html Maybe it was already fixed, Tamas will be able to tell, I cannot remember.
I think this is a known problem, see e.g.: lists.gnu. org/archive/ html/igraph- help/2010- 02/msg00063. html
http://
Maybe it was already fixed, Tamas will be able to tell, I cannot remember.