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-rw-r--r--src/boost/libs/graph/test/king_ordering.cpp130
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diff --git a/src/boost/libs/graph/test/king_ordering.cpp b/src/boost/libs/graph/test/king_ordering.cpp
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+//=======================================================================
+// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
+// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
+// Doug Gregor, D. Kevin McGrath
+//
+// 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)
+//=======================================================================
+
+#include <boost/config.hpp>
+#include <vector>
+#include <iostream>
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/king_ordering.hpp>
+#include <boost/graph/properties.hpp>
+#include <boost/graph/bandwidth.hpp>
+
+/*
+ Sample Output
+ original bandwidth: 8
+ Reverse Cuthill-McKee ordering starting at: 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
+ bandwidth: 4
+ Reverse Cuthill-McKee ordering:
+ 0 8 5 7 3 6 4 2 1 9
+ bandwidth: 4
+ */
+int main(int , char* [])
+{
+ 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<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 G(10);
+ for (int i = 0; i < 14; ++i)
+ add_edge(edges[i].first, edges[i].second, G);
+
+ graph_traits<Graph>::vertex_iterator ui, ui_end;
+
+ 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);
+
+ property_map<Graph, vertex_index_t>::type
+ index_map = get(vertex_index, G);
+
+ std::cout << "original bandwidth: " << bandwidth(G) << std::endl;
+
+ std::vector<Vertex> inv_perm(num_vertices(G));
+ std::vector<size_type> perm(num_vertices(G));
+ {
+ Vertex s = vertex(6, G);
+ //king_ordering
+ king_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G),
+ get(vertex_degree, G), get(vertex_index, G));
+ cout << "King 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;
+ }
+ {
+ Vertex s = vertex(0, G);
+ //king_ordering
+ king_ordering(G, s, inv_perm.rbegin(), get(vertex_color, G),
+ get(vertex_degree, G), get(vertex_index, G));
+ cout << "King 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;
+ }
+
+ {
+ //king_ordering
+ king_ordering(G, inv_perm.rbegin());
+
+ cout << "King 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;
+}