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Diffstat (limited to 'src/boost/libs/graph/example/tiernan_girth_circumference.cpp')
-rw-r--r-- | src/boost/libs/graph/example/tiernan_girth_circumference.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/boost/libs/graph/example/tiernan_girth_circumference.cpp b/src/boost/libs/graph/example/tiernan_girth_circumference.cpp new file mode 100644 index 00000000..a277a3fd --- /dev/null +++ b/src/boost/libs/graph/example/tiernan_girth_circumference.cpp @@ -0,0 +1,40 @@ +// (C) Copyright Andrew Sutton 2007 +// +// Use, modification and distribution are subject to the +// Boost Software License, Version 1.0 (See accompanying file +// LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) + +//[tiernan_girth_circumference +#include <iostream> + +#include <boost/graph/directed_graph.hpp> +#include <boost/graph/tiernan_all_cycles.hpp> + +#include "helper.hpp" + +using namespace std; +using namespace boost; + +// Declare the graph type and its vertex and edge types. +typedef directed_graph<> Graph; +typedef graph_traits<Graph>::vertex_descriptor Vertex; +typedef graph_traits<Graph>::edge_descriptor Edge; + +int +main(int argc, char *argv[]) +{ + // Create the graph and read it from standard input. + Graph g; + read_graph(g, cin); + + // Compute the girth and circumference simulataneously + size_t girth, circ; + boost::tie(girth, circ) = tiernan_girth_and_circumference(g); + + // Print the result + cout << "girth: " << girth << endl; + cout << "circumference: " << circ << endl; + + return 0; +} +//] |