random_graph_builder.h

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#ifndef FPMAS_RANDOM_GRAPH_BUILDER_H
#define FPMAS_RANDOM_GRAPH_BUILDER_H
 
#include "fpmas/random/random.h"
 
namespace fpmas { namespace graph {
    class RandomGraphBuilder {
        protected:
            std::function<std::size_t()> num_edge;
            template<typename Generator_t, typename EdgeDist>
                RandomGraphBuilder(
                        Generator_t& generator,
                        EdgeDist& edge_distribution) :
                    // A lambda function is used to "catch" generator end
                    // edge_distribution, without requiring class level
                    // template parameters. Moreover, template arguments can be
                    // automatically deduced in the context of a constructor,
                    // but not at the class level.
                    num_edge([&generator, &edge_distribution] () {
                            return edge_distribution(generator);
                            }) {}
        public:
            static random::DistributedGenerator<> distributed_rd;
            static random::mt19937_64 rd;
 
            static void seed(random::mt19937_64::result_type seed);
    };
}}
#endif