Method excentricity

src/Tracker/graph/GTL/src/node.cpp:135–145

}

int node::excentricity() const
{
    bfs b;
    b.start_node(*this);
    b.calc_level(true);
    b.run(*data->owner);

    node last_node = *(--b.end());
    
    return b.level(last_node);
}

GTL_EXTERN bool operator==(GTL::node v1, GTL::node v2)
{