Re: [jgrapht-users] ChromaticNumber always 1

[H.N. de R. <hnr...@gr...>]

On Wed, Dec 05, 2012 at 11:44:43AM +0000, Nick England wrote:

> I have just started using JGraphT and have got it to produce a graph from
> my data. I can get the edgeSet().size() and vertexSet().size fine, but if I
> try to calculate the Chromatic number I get 1 no matter what the number of
> edges and vertices!

My guess would be you got hit by this:
https://github.com/jgrapht/jgrapht/wiki/EqualsAndHashCode

Regards,
   Ernst

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