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/plod_generator.hpp (7708B)

// 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: Douglas Gregor
//           Andrew Lumsdaine
#ifndef BOOST_GRAPH_PLOD_GENERATOR_HPP
#define BOOST_GRAPH_PLOD_GENERATOR_HPP

#include <iterator>
#include <utility>
#include <boost/random/uniform_int.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/graph/graph_traits.hpp>
#include <vector>
#include <map>
#include <boost/config/no_tr1/cmath.hpp>
#include <boost/mpl/if.hpp>

namespace boost
{
template < typename RandomGenerator > class out_directed_plod_iterator
{
public:
    typedef std::forward_iterator_tag iterator_category;
    typedef std::pair< std::size_t, std::size_t > value_type;
    typedef const value_type& reference;
    typedef const value_type* pointer;
    typedef std::ptrdiff_t difference_type;

out_directed_plod_iterator() : gen(0), at_end(true) {}

out_directed_plod_iterator(RandomGenerator& gen, std::size_t n,
        double alpha, double beta, bool allow_self_loops)
    : gen(&gen)
    , n(n)
    , alpha(alpha)
    , beta(beta)
    , allow_self_loops(allow_self_loops)
    , at_end(false)
    , degree(0)
    , current(0, 0)
    {
        using std::pow;

uniform_int< std::size_t > x(0, n - 1);
        std::size_t xv = x(gen);
        degree = (xv == 0 ? 0 : std::size_t(beta * pow(xv, -alpha)));
    }

reference operator*() const { return current; }
    pointer operator->() const { return &current; }

out_directed_plod_iterator& operator++()
    {
        using std::pow;

uniform_int< std::size_t > x(0, n - 1);

// Continue stepping through source nodes until the
        // (out)degree is > 0
        while (degree == 0)
        {
            // Step to the next source node. If we've gone past the
            // number of nodes we're responsible for, we're done.
            if (++current.first >= n)
            {
                at_end = true;
                return *this;
            }

std::size_t xv = x(*gen);
            degree = (xv == 0 ? 0 : std::size_t(beta * pow(xv, -alpha)));
        }

do
        {
            current.second = x(*gen);
        } while (current.first == current.second && !allow_self_loops);
        --degree;

return *this;
    }

out_directed_plod_iterator operator++(int)
    {
        out_directed_plod_iterator temp(*this);
        ++(*this);
        return temp;
    }

bool operator==(const out_directed_plod_iterator& other) const
    {
        return at_end == other.at_end;
    }

bool operator!=(const out_directed_plod_iterator& other) const
    {
        return !(*this == other);
    }

private:
    RandomGenerator* gen;
    std::size_t n;
    double alpha;
    double beta;
    bool allow_self_loops;
    bool at_end;
    std::size_t degree;
    value_type current;
};

template < typename RandomGenerator > class undirected_plod_iterator
{
    typedef std::vector< std::pair< std::size_t, std::size_t > > out_degrees_t;

public:
    typedef std::input_iterator_tag iterator_category;
    typedef std::pair< std::size_t, std::size_t > value_type;
    typedef const value_type& reference;
    typedef const value_type* pointer;
    typedef std::ptrdiff_t difference_type;

undirected_plod_iterator()
    : gen(0), out_degrees(), degrees_left(0), allow_self_loops(false)
    {
    }

undirected_plod_iterator(RandomGenerator& gen, std::size_t n, double alpha,
        double beta, bool allow_self_loops = false)
    : gen(&gen)
    , n(n)
    , out_degrees(new out_degrees_t)
    , degrees_left(0)
    , allow_self_loops(allow_self_loops)
    {
        using std::pow;

uniform_int< std::size_t > x(0, n - 1);
        for (std::size_t i = 0; i != n; ++i)
        {
            std::size_t xv = x(gen);
            std::size_t degree
                = (xv == 0 ? 0 : std::size_t(beta * pow(xv, -alpha)));
            if (degree == 0)
                degree = 1;
            else if (degree >= n)
                degree = n - 1;
            out_degrees->push_back(std::make_pair(i, degree));
            degrees_left += degree;
        }

next();
    }

reference operator*() const { return current; }
    pointer operator->() const { return &current; }

undirected_plod_iterator& operator++()
    {
        next();
        return *this;
    }

undirected_plod_iterator operator++(int)
    {
        undirected_plod_iterator temp(*this);
        ++(*this);
        return temp;
    }

bool operator==(const undirected_plod_iterator& other) const
    {
        return degrees_left == other.degrees_left;
    }

bool operator!=(const undirected_plod_iterator& other) const
    {
        return !(*this == other);
    }

private:
    void next()
    {
        std::size_t source, target;
        while (true)
        {
            /* We may get to the point where we can't actually find any
               new edges, so we just add some random edge and set the
               degrees left = 0 to signal termination. */
            if (out_degrees->size() < 2)
            {
                uniform_int< std::size_t > x(0, n - 1);
                current.first = x(*gen);
                do
                {
                    current.second = x(*gen);
                } while (current.first == current.second && !allow_self_loops);
                degrees_left = 0;
                out_degrees->clear();
                return;
            }

uniform_int< std::size_t > x(0, out_degrees->size() - 1);

// Select source vertex
            source = x(*gen);
            if ((*out_degrees)[source].second == 0)
            {
                (*out_degrees)[source] = out_degrees->back();
                out_degrees->pop_back();
                continue;
            }

// Select target vertex
            target = x(*gen);
            if ((*out_degrees)[target].second == 0)
            {
                (*out_degrees)[target] = out_degrees->back();
                out_degrees->pop_back();
                continue;
            }
            else if (source != target
                || (allow_self_loops && (*out_degrees)[source].second > 2))
            {
                break;
            }
        }

// Update degree counts
        --(*out_degrees)[source].second;
        --degrees_left;
        --(*out_degrees)[target].second;
        --degrees_left;
        current.first = (*out_degrees)[source].first;
        current.second = (*out_degrees)[target].first;
    }

RandomGenerator* gen;
    std::size_t n;
    shared_ptr< out_degrees_t > out_degrees;
    std::size_t degrees_left;
    bool allow_self_loops;
    value_type current;
};

template < typename RandomGenerator, typename Graph >
class plod_iterator
: public mpl::if_<
      is_convertible< typename graph_traits< Graph >::directed_category,
          directed_tag >,
      out_directed_plod_iterator< RandomGenerator >,
      undirected_plod_iterator< RandomGenerator > >::type
{
    typedef typename mpl::if_<
        is_convertible< typename graph_traits< Graph >::directed_category,
            directed_tag >,
        out_directed_plod_iterator< RandomGenerator >,
        undirected_plod_iterator< RandomGenerator > >::type inherited;

public:
    plod_iterator() : inherited() {}

plod_iterator(RandomGenerator& gen, std::size_t n, double alpha,
        double beta, bool allow_self_loops = false)
    : inherited(gen, n, alpha, beta, allow_self_loops)
    {
    }
};

} // end namespace boost

#endif // BOOST_GRAPH_PLOD_GENERATOR_HPP

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