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 <[email protected]> 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 > > > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > _______________________________________________ igraph-help mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/igraph-help
