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-rw-r--r--src/boost/libs/graph/example/kuratowski_subgraph.cpp96
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diff --git a/src/boost/libs/graph/example/kuratowski_subgraph.cpp b/src/boost/libs/graph/example/kuratowski_subgraph.cpp
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+//=======================================================================
+// Copyright 2007 Aaron Windsor
+//
+// 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 <iostream>
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/properties.hpp>
+#include <boost/graph/graph_traits.hpp>
+#include <boost/property_map/property_map.hpp>
+#include <boost/ref.hpp>
+#include <vector>
+
+#include <boost/graph/boyer_myrvold_planar_test.hpp>
+#include <boost/graph/is_kuratowski_subgraph.hpp>
+
+using namespace boost;
+
+
+int main(int argc, char** argv)
+{
+
+ typedef adjacency_list
+ < vecS,
+ vecS,
+ undirectedS,
+ property<vertex_index_t, int>,
+ property<edge_index_t, int>
+ >
+ graph;
+
+ // Create a K_6 (complete graph on 6 vertices), which
+ // contains both Kuratowski subgraphs as minors.
+ graph g(6);
+ add_edge(0,1,g);
+ add_edge(0,2,g);
+ add_edge(0,3,g);
+ add_edge(0,4,g);
+ add_edge(0,5,g);
+ add_edge(1,2,g);
+ add_edge(1,3,g);
+ add_edge(1,4,g);
+ add_edge(1,5,g);
+ add_edge(2,3,g);
+ add_edge(2,4,g);
+ add_edge(2,5,g);
+ add_edge(3,4,g);
+ add_edge(3,5,g);
+ add_edge(4,5,g);
+
+
+ // Initialize the interior edge index
+ property_map<graph, edge_index_t>::type e_index = get(edge_index, g);
+ graph_traits<graph>::edges_size_type edge_count = 0;
+ graph_traits<graph>::edge_iterator ei, ei_end;
+ for(boost::tie(ei, ei_end) = edges(g); ei != ei_end; ++ei)
+ put(e_index, *ei, edge_count++);
+
+
+ // Test for planarity - we know it is not planar, we just want to
+ // compute the kuratowski subgraph as a side-effect
+ typedef std::vector< graph_traits<graph>::edge_descriptor >
+ kuratowski_edges_t;
+ kuratowski_edges_t kuratowski_edges;
+ if (boyer_myrvold_planarity_test(boyer_myrvold_params::graph = g,
+ boyer_myrvold_params::kuratowski_subgraph =
+ std::back_inserter(kuratowski_edges)
+ )
+ )
+ std::cout << "Input graph is planar" << std::endl;
+ else
+ {
+ std::cout << "Input graph is not planar" << std::endl;
+
+ std::cout << "Edges in the Kuratowski subgraph: ";
+ kuratowski_edges_t::iterator ki, ki_end;
+ ki_end = kuratowski_edges.end();
+ for(ki = kuratowski_edges.begin(); ki != ki_end; ++ki)
+ {
+ std::cout << *ki << " ";
+ }
+ std::cout << std::endl;
+
+ std::cout << "Is a kuratowski subgraph? ";
+ if (is_kuratowski_subgraph
+ (g, kuratowski_edges.begin(), kuratowski_edges.end())
+ )
+ std::cout << "Yes." << std::endl;
+ else
+ std::cout << "No." << std::endl;
+ }
+
+ return 0;
+}