FM / distributed

/usr/include/boost/graph/distributed

Name	Size	Mode	Actions
adjlist/	-	0755	rm
detail/	-	0755	rm
adjacency_list.hpp	149777	0644	edit dl rm
betweenness_centrality.hpp	70132	0644	edit dl rm
boman_et_al_graph_coloring.hpp	12987	0644	edit dl rm
breadth_first_search.hpp	5209	0644	edit dl rm
compressed_sparse_row_graph.hpp	81805	0644	edit dl rm
concepts.hpp	7028	0644	edit dl rm
connected_components.hpp	28401	0644	edit dl rm
connected_components_parallel_search.hpp	15059	0644	edit dl rm
crauser_et_al_shortest_paths.hpp	25342	0644	edit dl rm
dehne_gotz_min_spanning_tree.hpp	38687	0644	edit dl rm
delta_stepping_shortest_paths.hpp	19415	0644	edit dl rm
depth_first_search.hpp	10437	0644	edit dl rm
dijkstra_shortest_paths.hpp	8719	0644	edit dl rm
distributed_graph_utility.hpp	4560	0644	edit dl rm
eager_dijkstra_shortest_paths.hpp	16294	0644	edit dl rm
filtered_graph.hpp	1943	0644	edit dl rm
fruchterman_reingold.hpp	12963	0644	edit dl rm
graphviz.hpp	8672	0644	edit dl rm
hohberg_biconnected_components.hpp	38093	0644	edit dl rm
local_subgraph.hpp	6057	0644	edit dl rm
mpi_process_group.hpp	26592	0644	edit dl rm
named_graph.hpp	48162	0644	edit dl rm
one_bit_color_map.hpp	4046	0644	edit dl rm
page_rank.hpp	8003	0644	edit dl rm
queue.hpp	10249	0644	edit dl rm
reverse_graph.hpp	1223	0644	edit dl rm
rmat_graph_generator.hpp	5913	0644	edit dl rm
selector.hpp	1375	0644	edit dl rm
shuffled_distribution.hpp	2833	0644	edit dl rm
strong_components.hpp	40396	0644	edit dl rm
st_connected.hpp	6158	0644	edit dl rm
two_bit_color_map.hpp	4041	0644	edit dl rm
unsafe_serialize.hpp	380	0644	edit dl rm
vertex_list_adaptor.hpp	16252	0644	edit dl rm

Edit: /usr/include/boost/graph/distributed/shuffled_distribution.hpp (2833B)

// Copyright Daniel Wallin 2007. Use, modification and distribution is
// subject to 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)

#ifndef BOOST_SHUFFLED_DISTRIBUTION_070923_HPP
#define BOOST_SHUFFLED_DISTRIBUTION_070923_HPP

#ifndef BOOST_GRAPH_USE_MPI
#error "Parallel BGL files should not be included unless <boost/graph/use_mpi.hpp> has been included"
#endif

# include <boost/assert.hpp>
# include <boost/iterator/counting_iterator.hpp>
# include <vector>

namespace boost { namespace graph { namespace distributed {

template <class BaseDistribution>
struct shuffled_distribution : BaseDistribution
{
    typedef std::size_t size_type;

template <class ProcessGroup>
    shuffled_distribution(ProcessGroup const& pg, BaseDistribution const& base)
      : BaseDistribution(base)
      , n(num_processes(pg))
      , mapping_(make_counting_iterator(size_type(0)), make_counting_iterator(n))
      , reverse_mapping(mapping_)
    {}

std::vector<size_type> const& mapping() const
    {
        return mapping_;
    }

template <class InputIterator>
    void assign_mapping(InputIterator first, InputIterator last)
    {
        mapping_.assign(first, last);
        BOOST_ASSERT(mapping_.size() == n);
        reverse_mapping.resize(mapping_.size());

for (std::vector<size_t>::iterator i(mapping_.begin());
            i != mapping_.end(); ++i)
        {
            reverse_mapping[*i] = i - mapping_.begin();
        }
    }

BaseDistribution& base()
    {
        return *this;
    }

BaseDistribution const& base() const
    {
        return *this;
    }

template <class ProcessID>
    size_type block_size(ProcessID id, size_type n) const
    {
        return base().block_size(reverse_mapping[id], n);
    }

template <class T>
    size_type operator()(T const& value) const
    {
        return mapping_[base()(value)];
    }

template <class ProcessID>
    size_type start(ProcessID id) const
    {
        return base().start(reverse_mapping[id]);
    }

size_type local(size_type i) const
    {
        return base().local(i);
    }

size_type global(size_type i) const
    {
        return base().global(i);
    }

template <class ProcessID>
    size_type global(ProcessID id, size_type n) const
    {
        return base().global(reverse_mapping[id], n);
    }

template <class Archive>
    void serialize(Archive& ar, unsigned long /*version*/)
    {
        ar & serialization::make_nvp("base", base());
    }

void clear() 
    {
        base().clear();
    }

private:
    size_type n;
    std::vector<size_type> mapping_;
    std::vector<size_type> reverse_mapping;
};

}}} // namespace boost::graph::distributed

#endif // BOOST_SHUFFLED_DISTRIBUTION_070923_HPP

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