Re: [igraph] Error with betweenness() for weighted graph

[Tamás Nepusz]

Hi,

Thanks for the report, this is indeed a bug. You can subscribe to the following 
bug report if you are interested in when we will fix it:

https://bugs.launchpad.net/igraph/+bug/1126603

-- 
Tamas

On 8 Feb 2013, at 16:29, Manisha <address@hidden> wrote:

> Hello friends,
> 
> This is the first time I am using Igraph and I am trying to get some
> information on a weighted graph using the functions available. I want
> to get the betweenness centrality for a node in the graph by passing
> node names as parameter. Here is my graph
> 
>>>> g=ig.Graph()
>>>> g.add_vertices(['a','b','c','d'])
>>>> g.add_edge('a','b',weight=0.2)
>>>> g.add_edge('b','c',weight=0.2)
>>>> g.add_edge('c','d',weight=0.5)
>>>> g.add_edge('b','d',weight=0.1)
> 
> It works well if I test on unweighted graph i.e.
>>>> g.betweenness('a')
> 
> But when I try to execute the same function selecting the weight
> attribute on edge
> 
>>>> g.betweenness('a', weights='weight')
> 
> It gives some kind of error and blocks my python interpreter. Below is
> the message it is showing
> 
> *** glibc detected *** python: corrupted double-linked list:
> 0x000000001a6c8b10 ***
> 
> Can anybody understand this and please help me understand what's wrong
> and correct it?
> I will be really thankful for any help.
> 
> 
> Regards,
> Manisha
> 
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