Hi, thanks for your report, answers are below. On Thu, Mar 7, 2013 at 2:41 PM, Jason Cory Brunson <[email protected]> wrote: [...]
> V(g1)$color <- rep(1:2, length = vcount(g1)) > V(g2)$color <- rep(1:2, length = vcount(g2)) > graph.count.isomorphisms.vf2(**g1, g2) > [1] 2 > > It seems to me that there should be four isomorphisms: two mapping node 1 > to node 1 and two mapping node 1 to node 3. > This is a bug that was already fixed. I guess you are using an old igraph version. Including your R and igraph version and platform (e.g. output of sessionInfo()) in your bug report is a good idea. Please upgrade and try it again. > Any help reconciling this issue would be greatly appreciated! > > Also, the indices of the vertices returned by graph.get.isomorphisms are 1 > less than they should be (possibly a relic of previous versions when graphs > begin with vertex 0?): > You are right, this is another bug. I'll submit a bug report for it, and will fix it soon. Thanks, Best Regards G. [...]
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