Re: [igraph] igraph_community_fastgreedy() in C

[Gábor Csárdi]

On Tue, Oct 12, 2010 at 5:16 PM, Guilherme Ferraz de Arruda
<address@hidden> wrote:
> I thought that if NULL for igraph_weighted_adjacency() means
> "weight", maybe it will be the same at EANV();

It is actually better to read the documentation.

> I tryed this:
>
> EANV(grafo, "weight", atributos);
>
> and got the same error., Segmentation Fault at this line.
>
> Any Idea?

maybe 'grafo' is not an igraph graph. Or you forgot to turn on the C
attribute handler. Again, you forgot to send some piece of code that
we can actually compile......

G.

> Thanks for all.
>
> Guilherme.
>
> 2010/10/12 Gábor Csárdi <address@hidden>:
>> Hi,
>>
>> On Tue, Oct 12, 2010 at 4:28 AM, Guilherme Ferraz de Arruda
>> <address@hidden> wrote:
>>> Hi,
>>>
>>> I was trying to use the EANV(), but i got an error with this function.
>>> I got segmentation fault
>>>
>>> I write a function to find communities:
>>>
>>> int ComunidadesFastgreedy(igraph_t *grafo, igraph_vector_t* atributos,
>>>                       igraph_vector_t* modularity, igraph_matrix_t* merges){
>>>
>>>  igraph_vector_init(atributos, 0);
>>>  igraph_vector_init(modularity,0);
>>>  igraph_matrix_init(merges, 0, 0);
>>>
>>>  EANV(grafo, NULL, atributos);
>>
>> The second argument should be the name of the attribute, which in your
>> case is "weight". Where did you get the idea from that the second
>> argument can be NULL?
>>
>> [...]
>>
>> Gabor
>>
>> [...]
>>
>> --
>> Gabor Csardi <address@hidden>     UNIL DGM
>>
>



-- 
Gabor Csardi <address@hidden>     UNIL DGM