Just in case, because I do not know enough the C backends to give you a useful answer (watch out for Robert Miller !) :
Did you try to specify to use a Dense backend, if your graph is not too large ? Nathann -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
