X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ceph%2Fsrc%2Fboost%2Flibs%2Fgraph%2Ftest%2Fcuthill_mckee_ordering.cpp;fp=ceph%2Fsrc%2Fboost%2Flibs%2Fgraph%2Ftest%2Fcuthill_mckee_ordering.cpp;h=b7880713af0efc10eb4cdc526ab359fa7409c5a1;hb=f67539c23b11f3b8a2ecaeeddf7a403ae1c442a8;hp=085ae9d64af40189157049ab832715048d8fffbb;hpb=64a4c04e6850c6d9086e4c37f57c4eada541b05e;p=ceph.git diff --git a/ceph/src/boost/libs/graph/test/cuthill_mckee_ordering.cpp b/ceph/src/boost/libs/graph/test/cuthill_mckee_ordering.cpp index 085ae9d64..b7880713a 100644 --- a/ceph/src/boost/libs/graph/test/cuthill_mckee_ordering.cpp +++ b/ceph/src/boost/libs/graph/test/cuthill_mckee_ordering.cpp @@ -20,111 +20,118 @@ Sample Output original bandwidth: 8 Reverse Cuthill-McKee ordering starting at: 6 - 8 3 0 9 2 5 1 4 7 6 + 8 3 0 9 2 5 1 4 7 6 bandwidth: 4 Reverse Cuthill-McKee ordering starting at: 0 - 9 1 4 6 7 2 8 5 3 0 + 9 1 4 6 7 2 8 5 3 0 bandwidth: 4 Reverse Cuthill-McKee ordering: - 0 8 5 7 3 6 4 2 1 9 + 0 8 5 7 3 6 4 2 1 9 bandwidth: 4 */ -int main(int , char* []) +int main(int, char*[]) { - using namespace boost; - using namespace std; - typedef adjacency_list > > Graph; - typedef graph_traits::vertex_descriptor Vertex; - typedef graph_traits::vertices_size_type size_type; + using namespace boost; + using namespace std; + typedef adjacency_list< vecS, vecS, undirectedS, + property< vertex_color_t, default_color_type, + property< vertex_degree_t, int > > > + Graph; + typedef graph_traits< Graph >::vertex_descriptor Vertex; + typedef graph_traits< Graph >::vertices_size_type size_type; - typedef std::pair Pair; - Pair edges[14] = { Pair(0,3), //a-d - Pair(0,5), //a-f - Pair(1,2), //b-c - Pair(1,4), //b-e - Pair(1,6), //b-g - Pair(1,9), //b-j - Pair(2,3), //c-d - Pair(2,4), //c-e - Pair(3,5), //d-f - Pair(3,8), //d-i - Pair(4,6), //e-g - Pair(5,6), //f-g - Pair(5,7), //f-h - Pair(6,7) }; //g-h - - Graph G(10); - for (int i = 0; i < 14; ++i) - add_edge(edges[i].first, edges[i].second, G); + typedef std::pair< std::size_t, std::size_t > Pair; + Pair edges[14] = { Pair(0, 3), // a-d + Pair(0, 5), // a-f + Pair(1, 2), // b-c + Pair(1, 4), // b-e + Pair(1, 6), // b-g + Pair(1, 9), // b-j + Pair(2, 3), // c-d + Pair(2, 4), // c-e + Pair(3, 5), // d-f + Pair(3, 8), // d-i + Pair(4, 6), // e-g + Pair(5, 6), // f-g + Pair(5, 7), // f-h + Pair(6, 7) }; // g-h - graph_traits::vertex_iterator ui, ui_end; + Graph G(10); + for (int i = 0; i < 14; ++i) + add_edge(edges[i].first, edges[i].second, G); - property_map::type deg = get(vertex_degree, G); - for (boost::tie(ui, ui_end) = vertices(G); ui != ui_end; ++ui) - deg[*ui] = degree(*ui, G); + graph_traits< Graph >::vertex_iterator ui, ui_end; - property_map::type - index_map = get(vertex_index, G); + property_map< Graph, vertex_degree_t >::type deg = get(vertex_degree, G); + for (boost::tie(ui, ui_end) = vertices(G); ui != ui_end; ++ui) + deg[*ui] = degree(*ui, G); - std::cout << "original bandwidth: " << bandwidth(G) << std::endl; + property_map< Graph, vertex_index_t >::type index_map + = get(vertex_index, G); - std::vector inv_perm(num_vertices(G)); - std::vector perm(num_vertices(G)); - { - Vertex s = vertex(6, G); - //reverse cuthill_mckee_ordering - cuthill_mckee_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G), - get(vertex_degree, G)); - cout << "Reverse Cuthill-McKee ordering starting at: " << s << endl; - cout << " "; - for (std::vector::const_iterator i = inv_perm.begin(); - i != inv_perm.end(); ++i) - cout << index_map[*i] << " "; - cout << endl; + std::cout << "original bandwidth: " << bandwidth(G) << std::endl; - for (size_type c = 0; c != inv_perm.size(); ++c) - perm[index_map[inv_perm[c]]] = c; - std::cout << " bandwidth: " - << bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0])) - << std::endl; - } - { - Vertex s = vertex(0, G); - //reverse cuthill_mckee_ordering - cuthill_mckee_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G), - get(vertex_degree, G)); - cout << "Reverse Cuthill-McKee ordering starting at: " << s << endl; - cout << " "; - for (std::vector::const_iterator i=inv_perm.begin(); - i != inv_perm.end(); ++i) - cout << index_map[*i] << " "; - cout << endl; + std::vector< Vertex > inv_perm(num_vertices(G)); + std::vector< size_type > perm(num_vertices(G)); + { + Vertex s = vertex(6, G); + // reverse cuthill_mckee_ordering + cuthill_mckee_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G), + get(vertex_degree, G)); + cout << "Reverse Cuthill-McKee ordering starting at: " << s << endl; + cout << " "; + for (std::vector< Vertex >::const_iterator i = inv_perm.begin(); + i != inv_perm.end(); ++i) + cout << index_map[*i] << " "; + cout << endl; - for (size_type c = 0; c != inv_perm.size(); ++c) - perm[index_map[inv_perm[c]]] = c; - std::cout << " bandwidth: " - << bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0])) - << std::endl; - } + for (size_type c = 0; c != inv_perm.size(); ++c) + perm[index_map[inv_perm[c]]] = c; + std::cout << " bandwidth: " + << bandwidth(G, + make_iterator_property_map( + &perm[0], index_map, perm[0])) + << std::endl; + } + { + Vertex s = vertex(0, G); + // reverse cuthill_mckee_ordering + cuthill_mckee_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G), + get(vertex_degree, G)); + cout << "Reverse Cuthill-McKee ordering starting at: " << s << endl; + cout << " "; + for (std::vector< Vertex >::const_iterator i = inv_perm.begin(); + i != inv_perm.end(); ++i) + cout << index_map[*i] << " "; + cout << endl; - { - //reverse cuthill_mckee_ordering - cuthill_mckee_ordering(G, inv_perm.rbegin()); - - cout << "Reverse Cuthill-McKee ordering:" << endl; - cout << " "; - for (std::vector::const_iterator i=inv_perm.begin(); - i != inv_perm.end(); ++i) - cout << index_map[*i] << " "; - cout << endl; + for (size_type c = 0; c != inv_perm.size(); ++c) + perm[index_map[inv_perm[c]]] = c; + std::cout << " bandwidth: " + << bandwidth(G, + make_iterator_property_map( + &perm[0], index_map, perm[0])) + << std::endl; + } - for (size_type c = 0; c != inv_perm.size(); ++c) - perm[index_map[inv_perm[c]]] = c; - std::cout << " bandwidth: " - << bandwidth(G, make_iterator_property_map(&perm[0], index_map, perm[0])) - << std::endl; - } - return 0; + { + // reverse cuthill_mckee_ordering + cuthill_mckee_ordering(G, inv_perm.rbegin()); + + cout << "Reverse Cuthill-McKee ordering:" << endl; + cout << " "; + for (std::vector< Vertex >::const_iterator i = inv_perm.begin(); + i != inv_perm.end(); ++i) + cout << index_map[*i] << " "; + cout << endl; + + for (size_type c = 0; c != inv_perm.size(); ++c) + perm[index_map[inv_perm[c]]] = c; + std::cout << " bandwidth: " + << bandwidth(G, + make_iterator_property_map( + &perm[0], index_map, perm[0])) + << std::endl; + } + return 0; }