Re: [igraph] ARPAC in 64 bits

[Gábor Csárdi]

Hi João,

it seems that you are using the system ARPACK. Please compile igraph
with its internal ARPACK routines instead.

Best,
Gabor

On Wed, May 18, 2011 at 4:30 PM, João <address@hidden> wrote:
> Hello,
> I am new on igraph, so sorry if this is a silly question. I was trying to
> use the function igraph_eigenvector_centrality(...) so i tried to learn how
> to use this using the example in
> the igraph-0.5.4/examples/simple/eigenvector_centrality.c. Running it using
> an ubuntu 32 bits, I could get the correct results, however, running it
> using an 64 bits ubuntu i only got a segfault.
> (gdb) where
> #0  0x00007ffff6ebf04d in dseupd_ () from /usr/lib/libarpack.so.2
> #1  0x00007ffff7b43930 in igraph_arpack_rssolve () from
> /usr/lib/libigraph.so.0
> #2  0x00007ffff7b4736a in igraph_eigenvector_centrality () from
> /usr/lib/libigraph.so.0
> #3  0x0000000000400a4b in main () at eigenvector_centrality.c:40
> The same result happened with the igraph_pagerank.c example file.
> Could somebody help me showing how to use the ARPACK in an ubuntu 64 bits?
> Thanks so much! =D
> --
> João
>
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>



-- 
Gabor Csardi <address@hidden>     MTA KFKI RMKI