[Nauty] Re: nauty-list digest, Vol 1 #34 - 1 msg

[Justin Pearson]

Gordon Royle wrote:
> Methinks that you are only adding arcs with the ADDELEMENT calls...
> 
> Even though options.digraph is FALSE, you still have to incorporate both
> (i,j) and (j,i) into the graph in order to represent the undirected edge
> {i,j}.

Yes this seems to solve the problem. The documentation seems to be a
bit opaque at this point. I read it to mean the adding
options.digraph=FALSE was sufficient for nauty to make the digraph
into a graph.


Thanks

/Justin




> 
> Otherwise, everything seems ok..
> 
> 
> -- 
> Dr. Gordon Royle, http://www.csse.uwa.edu.au, gordon(AT)csse.uwa.edu.au
> --
> 
> 
> 
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