Re: [igraph] Fast sum of nodes attributes

[Gábor Csárdi]

Query the whole vector at once with VANV, and then call
igraph_vector_sum(). Although this copies the vector once, so might
not be faster....

G.

On Mon, Nov 24, 2014 at 12:10 PM, Matheus Viana <address@hidden> wrote:
> Hi all.
>
> I would like to know if there is any fastest way to sum the attribute
> "MyAttribute" of all nodes, other than that:
>
> double sum = 0.0;
> for (node = igraph_vcount(&Graph); node--;) {
> sum += VAN(&Graph,"MyAttribute",node);
> }
>
> Many thanks,
>
> Matheus Viana
> Postdoctoral Research Employee
> Developmental and Cell Biology
> University of California Irvine
>
>
>
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