FM / graph

/usr/include/boost/graph

Name	Size	Mode	Actions
detail/	-	0755	rm
distributed/	-	0755	rm
parallel/	-	0755	rm
planar_detail/	-	0755	rm
property_maps/	-	0755	rm
accounting.hpp	876	0644	edit dl rm
adjacency_iterator.hpp	2899	0644	edit dl rm
adjacency_list.hpp	13692	0644	edit dl rm
adjacency_list_io.hpp	11849	0644	edit dl rm
adjacency_matrix.hpp	45743	0644	edit dl rm
adj_list_serialize.hpp	4523	0644	edit dl rm
astar_search.hpp	26736	0644	edit dl rm
bandwidth.hpp	2992	0644	edit dl rm
bc_clustering.hpp	5937	0644	edit dl rm
bellman_ford_shortest_paths.hpp	8229	0644	edit dl rm
betweenness_centrality.hpp	26290	0644	edit dl rm
biconnected_components.hpp	16701	0644	edit dl rm
bipartite.hpp	13492	0644	edit dl rm
boyer_myrvold_planar_test.hpp	9849	0644	edit dl rm
boykov_kolmogorov_max_flow.hpp	47342	0644	edit dl rm
breadth_first_search.hpp	14751	0644	edit dl rm
bron_kerbosch_all_cliques.hpp	11736	0644	edit dl rm
buffer_concepts.hpp	2429	0644	edit dl rm
chrobak_payne_drawing.hpp	8641	0644	edit dl rm
circle_layout.hpp	1924	0644	edit dl rm
closeness_centrality.hpp	6057	0644	edit dl rm
clustering_coefficient.hpp	5726	0644	edit dl rm
compressed_sparse_row_graph.hpp	69887	0644	edit dl rm
connected_components.hpp	4134	0644	edit dl rm
copy.hpp	21225	0644	edit dl rm
core_numbers.hpp	13663	0644	edit dl rm
create_condensation_graph.hpp	3159	0644	edit dl rm
cuthill_mckee_ordering.hpp	5992	0644	edit dl rm
cycle_canceling.hpp	6645	0644	edit dl rm
dag_shortest_paths.hpp	6064	0644	edit dl rm
degree_centrality.hpp	4236	0644	edit dl rm
depth_first_search.hpp	15430	0644	edit dl rm
dijkstra_shortest_paths.hpp	23687	0644	edit dl rm
dijkstra_shortest_paths_no_color_map.hpp	9620	0644	edit dl rm
dimacs.hpp	10448	0644	edit dl rm
directed_graph.hpp	24214	0644	edit dl rm
dll_import_export.hpp	892	0644	edit dl rm
dominator_tree.hpp	17553	0644	edit dl rm
eccentricity.hpp	4611	0644	edit dl rm
edge_coloring.hpp	6809	0644	edit dl rm
edge_connectivity.hpp	6796	0644	edit dl rm
edge_list.hpp	9948	0644	edit dl rm
edmonds_karp_max_flow.hpp	10177	0644	edit dl rm
edmunds_karp_max_flow.hpp	982	0644	edit dl rm
erdos_renyi_generator.hpp	7257	0644	edit dl rm
exception.hpp	1466	0644	edit dl rm
exterior_property.hpp	4289	0644	edit dl rm
filtered_graph.hpp	20098	0644	edit dl rm
find_flow_cost.hpp	1859	0644	edit dl rm
floyd_warshall_shortest.hpp	8510	0644	edit dl rm
fruchterman_reingold.hpp	17325	0644	edit dl rm
geodesic_distance.hpp	8015	0644	edit dl rm
graphml.hpp	13460	0644	edit dl rm
graphviz.hpp	33503	0644	edit dl rm
graph_archetypes.hpp	11008	0644	edit dl rm
graph_as_tree.hpp	4532	0644	edit dl rm
graph_concepts.hpp	19785	0644	edit dl rm
graph_mutability_traits.hpp	4995	0644	edit dl rm
graph_selectors.hpp	1274	0644	edit dl rm
graph_stats.hpp	4394	0644	edit dl rm
graph_traits.hpp	13065	0644	edit dl rm
graph_utility.hpp	16182	0644	edit dl rm
grid_graph.hpp	33830	0644	edit dl rm
gursoy_atun_layout.hpp	13248	0644	edit dl rm
hawick_circuits.hpp	14593	0644	edit dl rm
howard_cycle_ratio.hpp	23107	0644	edit dl rm
incremental_components.hpp	8224	0644	edit dl rm
isomorphism.hpp	26308	0644	edit dl rm
is_kuratowski_subgraph.hpp	10260	0644	edit dl rm
is_straight_line_drawing.hpp	7230	0644	edit dl rm
iteration_macros.hpp	11659	0644	edit dl rm
iteration_macros_undef.hpp	673	0644	edit dl rm
johnson_all_pairs_shortest.hpp	7646	0644	edit dl rm
kamada_kawai_spring_layout.hpp	28048	0644	edit dl rm
king_ordering.hpp	12101	0644	edit dl rm
kruskal_min_spanning_tree.hpp	5743	0644	edit dl rm
labeled_graph.hpp	30914	0644	edit dl rm
leda_graph.hpp	28789	0644	edit dl rm
lookup_edge.hpp	1894	0644	edit dl rm
loop_erased_random_walk.hpp	4436	0644	edit dl rm
make_biconnected_planar.hpp	3513	0644	edit dl rm
make_connected.hpp	2645	0644	edit dl rm
make_maximal_planar.hpp	7578	0644	edit dl rm
matrix_as_graph.hpp	7227	0644	edit dl rm
maximum_adjacency_search.hpp	15125	0644	edit dl rm
maximum_weighted_matching.hpp	49722	0644	edit dl rm
max_cardinality_matching.hpp	31000	0644	edit dl rm
mcgregor_common_subgraphs.hpp	43470	0644	edit dl rm
mesh_graph_generator.hpp	5616	0644	edit dl rm
metis.hpp	10982	0644	edit dl rm
metric_tsp_approx.hpp	10809	0644	edit dl rm
minimum_degree_ordering.hpp	27087	0644	edit dl rm
named_function_params.hpp	39639	0644	edit dl rm
named_graph.hpp	20614	0644	edit dl rm
neighbor_bfs.hpp	11763	0644	edit dl rm
numeric_values.hpp	1814	0644	edit dl rm
one_bit_color_map.hpp	3277	0644	edit dl rm
overloading.hpp	1584	0644	edit dl rm
page_rank.hpp	6164	0644	edit dl rm
planar_canonical_ordering.hpp	7203	0644	edit dl rm
planar_face_traversal.hpp	6020	0644	edit dl rm
plod_generator.hpp	7708	0644	edit dl rm
point_traits.hpp	782	0644	edit dl rm
prim_minimum_spanning_tree.hpp	2960	0644	edit dl rm
profile.hpp	1327	0644	edit dl rm
properties.hpp	12417	0644	edit dl rm
property_iter_range.hpp	4345	0644	edit dl rm
push_relabel_max_flow.hpp	34737	0644	edit dl rm
random.hpp	9672	0644	edit dl rm
random_layout.hpp	988	0644	edit dl rm
random_spanning_tree.hpp	5775	0644	edit dl rm
read_dimacs.hpp	12080	0644	edit dl rm
relax.hpp	4400	0644	edit dl rm
reverse_graph.hpp	22402	0644	edit dl rm
rmat_graph_generator.hpp	19291	0644	edit dl rm
r_c_shortest_paths.hpp	30673	0644	edit dl rm
sequential_vertex_coloring.hpp	4562	0644	edit dl rm
simple_point.hpp	628	0644	edit dl rm
sloan_ordering.hpp	15540	0644	edit dl rm
smallest_last_ordering.hpp	5458	0644	edit dl rm
small_world_generator.hpp	3670	0644	edit dl rm
ssca_graph_generator.hpp	6564	0644	edit dl rm
stanford_graph.hpp	20126	0644	edit dl rm
stoer_wagner_min_cut.hpp	12415	0644	edit dl rm
strong_components.hpp	13009	0644	edit dl rm
st_connected.hpp	2852	0644	edit dl rm
subgraph.hpp	39996	0644	edit dl rm
successive_shortest_path_nonnegative_weights.hpp	10413	0644	edit dl rm
tiernan_all_cycles.hpp	12547	0644	edit dl rm
topological_sort.hpp	2611	0644	edit dl rm
topology.hpp	20389	0644	edit dl rm
transitive_closure.hpp	14260	0644	edit dl rm
transitive_reduction.hpp	5326	0644	edit dl rm
transpose_graph.hpp	1198	0644	edit dl rm
tree_traits.hpp	1338	0644	edit dl rm
two_bit_color_map.hpp	3510	0644	edit dl rm
two_graphs_common_spanning_trees.hpp	34996	0644	edit dl rm
undirected_dfs.hpp	10672	0644	edit dl rm
undirected_graph.hpp	25276	0644	edit dl rm
use_mpi.hpp	437	0644	edit dl rm
vector_as_graph.hpp	10474	0644	edit dl rm
vertex_and_edge_range.hpp	5528	0644	edit dl rm
vf2_sub_graph_iso.hpp	48585	0644	edit dl rm
visitors.hpp	11318	0644	edit dl rm
wavefront.hpp	3932	0644	edit dl rm
write_dimacs.hpp	2889	0644	edit dl rm

Edit: /usr/include/boost/graph/erdos_renyi_generator.hpp (7257B)

// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

//  Authors: Jeremiah Willcock
//           Douglas Gregor
//           Andrew Lumsdaine
#ifndef BOOST_GRAPH_ERDOS_RENYI_GENERATOR_HPP
#define BOOST_GRAPH_ERDOS_RENYI_GENERATOR_HPP

#include <boost/assert.hpp>
#include <iterator>
#include <utility>
#include <boost/shared_ptr.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/random/geometric_distribution.hpp>
#include <boost/type_traits/is_base_of.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/config/no_tr1/cmath.hpp>
#include <boost/iterator/iterator_facade.hpp>

namespace boost
{

template < typename RandomGenerator, typename Graph >
class erdos_renyi_iterator
: public iterator_facade< erdos_renyi_iterator< RandomGenerator, Graph >,
      std::pair< typename graph_traits< Graph >::vertices_size_type,
          typename graph_traits< Graph >::vertices_size_type >,
      std::input_iterator_tag,
      const std::pair< typename graph_traits< Graph >::vertices_size_type,
          typename graph_traits< Graph >::vertices_size_type >& >
{
    typedef typename graph_traits< Graph >::directed_category directed_category;
    typedef
        typename graph_traits< Graph >::vertices_size_type vertices_size_type;
    typedef typename graph_traits< Graph >::edges_size_type edges_size_type;

BOOST_STATIC_CONSTANT(bool,
        is_undirected
        = (is_base_of< undirected_tag, directed_category >::value));

public:
    erdos_renyi_iterator() : gen(), n(0), edges(0), allow_self_loops(false) {}
    erdos_renyi_iterator(RandomGenerator& gen, vertices_size_type n,
        double fraction = 0.0, bool allow_self_loops = false)
    : gen(&gen)
    , n(n)
    , edges(edges_size_type(fraction * n * n))
    , allow_self_loops(allow_self_loops)
    {
        if (is_undirected)
            edges = edges / 2;
        next();
    }

erdos_renyi_iterator(RandomGenerator& gen, vertices_size_type n,
        edges_size_type m, bool allow_self_loops = false)
    : gen(&gen), n(n), edges(m), allow_self_loops(allow_self_loops)
    {
        next();
    }

const std::pair< vertices_size_type, vertices_size_type >&
    dereference() const
    {
        return current;
    }

void increment()
    {
        --edges;
        next();
    }

bool equal(const erdos_renyi_iterator& other) const
    {
        return edges == other.edges;
    }

private:
    void next()
    {
        uniform_int< vertices_size_type > rand_vertex(0, n - 1);
        current.first = rand_vertex(*gen);
        do
        {
            current.second = rand_vertex(*gen);
        } while (current.first == current.second && !allow_self_loops);
    }

RandomGenerator* gen;
    vertices_size_type n;
    edges_size_type edges;
    bool allow_self_loops;
    std::pair< vertices_size_type, vertices_size_type > current;
};

template < typename RandomGenerator, typename Graph >
class sorted_erdos_renyi_iterator
: public iterator_facade< sorted_erdos_renyi_iterator< RandomGenerator, Graph >,
      std::pair< typename graph_traits< Graph >::vertices_size_type,
          typename graph_traits< Graph >::vertices_size_type >,
      std::input_iterator_tag,
      const std::pair< typename graph_traits< Graph >::vertices_size_type,
          typename graph_traits< Graph >::vertices_size_type >& >
{
    typedef typename graph_traits< Graph >::directed_category directed_category;
    typedef
        typename graph_traits< Graph >::vertices_size_type vertices_size_type;
    typedef typename graph_traits< Graph >::edges_size_type edges_size_type;

BOOST_STATIC_CONSTANT(bool,
        is_undirected
        = (is_base_of< undirected_tag, directed_category >::value));

public:
    sorted_erdos_renyi_iterator()
    : gen()
    , rand_vertex(0.5)
    , n(0)
    , allow_self_loops(false)
    , src((std::numeric_limits< vertices_size_type >::max)())
    , tgt_index(vertices_size_type(-1))
    , prob(.5)
    {
    }

// NOTE: The default probability has been changed to be the same as that
    // used by the geometic distribution. It was previously 0.0, which would
    // cause an assertion.
    sorted_erdos_renyi_iterator(RandomGenerator& gen, vertices_size_type n,
        double prob = 0.5, bool loops = false)
    : gen()
    , rand_vertex(1. - prob)
    , n(n)
    , allow_self_loops(loops)
    , src(0)
    , tgt_index(vertices_size_type(-1))
    , prob(prob)
    {
        this->gen.reset(new uniform_01< RandomGenerator* >(&gen));

if (prob == 0.0)
        {
            src = (std::numeric_limits< vertices_size_type >::max)();
            return;
        }
        next();
    }

const std::pair< vertices_size_type, vertices_size_type >&
    dereference() const
    {
        return current;
    }

bool equal(const sorted_erdos_renyi_iterator& o) const
    {
        return src == o.src && tgt_index == o.tgt_index;
    }

void increment() { next(); }

private:
    void next()
    {
        // In order to get the edges from the generator in sorted order, one
        // effective (but slow) procedure would be to use a
        // bernoulli_distribution for each legal (src, tgt_index) pair.  Because
        // of the O(|V|^2) cost of that, a geometric distribution is used.  The
        // geometric distribution tells how many times the
        // bernoulli_distribution would need to be run until it returns true.
        // Thus, this distribution can be used to step through the edges
        // which are actually present.
        BOOST_ASSERT(src != (std::numeric_limits< vertices_size_type >::max)()
            && src != n);
        while (src != n)
        {
            vertices_size_type increment = rand_vertex(*gen);
            size_t tgt_index_limit
                = (is_undirected ? src + 1 : n) + (allow_self_loops ? 0 : -1);
            if (tgt_index + increment >= tgt_index_limit)
            {
                // Overflowed this source; go to the next one and try again.
                ++src;
                // This bias is because the geometric distribution always
                // returns values >=1, and we want to allow 0 as a valid target.
                tgt_index = vertices_size_type(-1);
                continue;
            }
            else
            {
                tgt_index += increment;
                current.first = src;
                current.second = tgt_index
                    + (!allow_self_loops && !is_undirected && tgt_index >= src
                            ? 1
                            : 0);
                break;
            }
        }
        if (src == n)
            src = (std::numeric_limits< vertices_size_type >::max)();
    }

shared_ptr< uniform_01< RandomGenerator* > > gen;
    geometric_distribution< vertices_size_type > rand_vertex;
    vertices_size_type n;
    bool allow_self_loops;
    vertices_size_type src, tgt_index;
    std::pair< vertices_size_type, vertices_size_type > current;
    double prob;
};

} // end namespace boost

#endif // BOOST_GRAPH_ERDOS_RENYI_GENERATOR_HPP

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