Re: [igraph] invalid conversion from 'void *' to 'const igraph_t *'

[Gábor Csárdi]

You have to cast the void* pointer to igraph_t*, see below:

On Wed, May 18, 2011 at 1:08 PM, Yi Cao <address@hidden> wrote:
> Hello all,
>
> The following is part of my code,
> ......
> igraph_vector_ptr_t compolist;
> igraph_vector_ptr_init(&complist, 100);
> for (i=0; i<igraph_vector_ptr_size(&complist); i++)
>  {

  igraph_t *g = (igraph_t*)VECTOR(complist)[i];
  size = igraph_ecount(g);

G.

>    size=igraph_ecount(VECTOR(complist)[i]);
>    if (size>max) max=size;
>  }
> igraph_vector_ptr_destroy(&compolist);
> ......
> When I tried to compile it, it returned the following errors:
> error: invalide conversion from 'void *' to 'const  igraph_t *';
> error: initializing argument 1 of ' igraph_integer_t igraph_ecount(const
> igraph_t *)'
>
> I do not know where the mistakes are in the code. Can anyone tell me the
> mistakes? Thank you very much.
>
> Best,
> Yi
>
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>
>



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