Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/src/boost/libs/graph/example/transpose-example.cpp b/src/boost/libs/graph/example/transpose-example.cpp
new file mode 100644
index 00000000..7378dd19
--- /dev/null
+++ b/src/boost/libs/graph/example/transpose-example.cpp
@@ -0,0 +1,49 @@
+//=======================================================================
+// Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee, 
+//
+// 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 <iostream>
+#include <boost/graph/transpose_graph.hpp>
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/graph_utility.hpp>
+
+int
+main()
+{
+  using namespace boost;
+  typedef adjacency_list < vecS, vecS, bidirectionalS,
+    property < vertex_name_t, char > > graph_t;
+
+  enum { a, b, c, d, e, f, g, N };
+  graph_t G(N);
+  property_map < graph_t, vertex_name_t >::type
+    name_map = get(vertex_name, G);
+  char name = 'a';
+  graph_traits < graph_t >::vertex_iterator v, v_end;
+  for (boost::tie(v, v_end) = vertices(G); v != v_end; ++v, ++name)
+    name_map[*v] = name;
+
+  typedef std::pair < int, int >E;
+  E edge_array[] = { E(a, c), E(a, d), E(b, a), E(b, d), E(c, f),
+    E(d, c), E(d, e), E(d, f), E(e, b), E(e, g), E(f, e), E(f, g)
+  };
+  for (int i = 0; i < 12; ++i)
+    add_edge(edge_array[i].first, edge_array[i].second, G);
+
+  print_graph(G, name_map);
+  std::cout << std::endl;
+
+  graph_t G_T;
+  transpose_graph(G, G_T);
+
+  print_graph(G_T, name_map);
+
+  graph_traits < graph_t >::edge_iterator ei, ei_end;
+  for (boost::tie(ei, ei_end) = edges(G); ei != ei_end; ++ei)
+    assert(edge(target(*ei, G), source(*ei, G), G_T).second == true);
+  return 0;
+}