Re: [igraph] Graph from sparse matrix

[Gábor Csárdi]

On Wed, Mar 11, 2009 at 4:27 PM, Mark McClure <address@hidden> wrote:
> Oops, I meant to start a new thread.  Anyway, I wrote:
>> > Strangely, I don't see any graph constructor from a sparse matrix
>> > in the C library.  Is this correct?
>
> And Tamas responded:
>> Yes, that's correct. There are many different sparse matrix
>> representations (i.e., CRS, CCS, zero-based and one-based variants)
>> and there was no need to support any of them so far. If you need that
>> and you write a constructor for yourself, you can submit a patch and
>> we'll be happy to include it.
>
> Thanks.  Given any particular format, it's certainly easy enough to pick
> out the edges from a sparse matrix and then pass the result to
> igraph_create.  Perhaps I could do that after I get a better understanding
> of igraph as a whole.  Poking around your webpage though, I don't see
> anything about development or patches.

Development is on Launchpad. https://launchpad.net/igraph
The homepage is about to move to http://igraph.sourceforge.net

Best,
Gabor

> Mark
>
>
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-- 
Gabor Csardi <address@hidden>     UNIL DGM