Re: [jgrapht-users] ChromaticNumber always 1

[Nick E. <nic...@gm...>]

Ernst,

Ah yes, I had foolishly left the auto-generated delegated .equals() to the
String contained in the vertex, but then that String did not equal the
encapsulating object it was being compared against!

It is working as expected now.

Thanks,

Nick

On 10 December 2012 16:13, H.N. de Ridder <hnr...@gr...> wrote:

> 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
>
> --
> Information System on Graph Classes and their Inclusions (ISGCI)
> http://www.graphclasses.org
>
>
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