Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

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

1 files changed, 72 insertions, 0 deletions

diff --git a/src/boost/libs/graph/example/prim-telephone.cpp b/src/boost/libs/graph/example/prim-telephone.cpp
new file mode 100644
index 000000000..1f256db06
--- /dev/null
+++ b/src/boost/libs/graph/example/prim-telephone.cpp
@@ -0,0 +1,72 @@
+//=======================================================================
+// 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)
+//=======================================================================
+
+/*
+   IMPORTANT!!!
+   ~~~~~~~~~~~~
+   This example uses interfaces that have been deprecated and removed from
+   Boost.Grpah. Someone needs to update it, as it does NOT compile.
+*/
+
+#include <boost/config.hpp>
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <boost/lexical_cast.hpp>
+#include <boost/graph/graphviz.hpp>
+#include <boost/graph/prim_minimum_spanning_tree.hpp>
+int main()
+{
+    using namespace boost;
+    GraphvizGraph g_dot;
+    read_graphviz("figs/telephone-network.dot", g_dot);
+
+    typedef adjacency_list< vecS, vecS, undirectedS, no_property,
+        property< edge_weight_t, int > >
+        Graph;
+    Graph g(num_vertices(g_dot));
+    property_map< GraphvizGraph, edge_attribute_t >::type edge_attr_map
+        = get(edge_attribute, g_dot);
+    graph_traits< GraphvizGraph >::edge_iterator ei, ei_end;
+    for (boost::tie(ei, ei_end) = edges(g_dot); ei != ei_end; ++ei)
+    {
+        int weight = lexical_cast< int >(edge_attr_map[*ei]["label"]);
+        property< edge_weight_t, int > edge_property(weight);
+        add_edge(source(*ei, g_dot), target(*ei, g_dot), edge_property, g);
+    }
+
+    typedef graph_traits< Graph >::vertex_descriptor Vertex;
+    std::vector< Vertex > parent(num_vertices(g));
+    property_map< Graph, edge_weight_t >::type weight = get(edge_weight, g);
+#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300
+    property_map< Graph, vertex_index_t >::type indexmap = get(vertex_index, g);
+    std::vector< std::size_t > distance(num_vertices(g));
+    prim_minimum_spanning_tree(g, *vertices(g).first, &parent[0], &distance[0],
+        weight, indexmap, default_dijkstra_visitor());
+#else
+    prim_minimum_spanning_tree(g, &parent[0]);
+#endif
+
+    int total_weight = 0;
+    for (int v = 0; v < num_vertices(g); ++v)
+        if (parent[v] != v)
+            total_weight += get(weight, edge(parent[v], v, g).first);
+    std::cout << "total weight: " << total_weight << std::endl;
+
+    for (int u = 0; u < num_vertices(g); ++u)
+        if (parent[u] != u)
+            edge_attr_map[edge(parent[u], u, g_dot).first]["color"] = "black";
+    std::ofstream out("figs/telephone-mst-prim.dot");
+    graph_property< GraphvizGraph, graph_edge_attribute_t >::type&
+        graph_edge_attr_map
+        = get_property(g_dot, graph_edge_attribute);
+    graph_edge_attr_map["color"] = "gray";
+    write_graphviz(out, g_dot);
+
+    return EXIT_SUCCESS;
+}