Hi.

I use Parallel Boost Graph Library to create network  Barabási–Albert (BA) model

int main(int argc, char* argv[])
{
boost::mpi::environment env(argc, argv);
boost::minstd_rand gen;
Graph g(RMATGen(gen, 100, 400, 0.3, 0.1, 0.2, 0.03), RMATGen(), 100);

write_graphviz(std::cout, g);

}

This graph always have self-loops vertex.  How i can to forbid self_loop for Unique R-MAT generator ?