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, 105 insertions, 0 deletions

diff --git a/src/boost/libs/graph/example/reachable-loop-head.cpp b/src/boost/libs/graph/example/reachable-loop-head.cpp
new file mode 100644
index 000000000..fcb90ff1e
--- /dev/null
+++ b/src/boost/libs/graph/example/reachable-loop-head.cpp
@@ -0,0 +1,105 @@
+//=======================================================================
+// 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 <boost/graph/adjacency_list.hpp>
+#include <boost/graph/depth_first_search.hpp>
+#include <boost/graph/graphviz.hpp>
+#include <boost/graph/copy.hpp>
+
+int main(int argc, char* argv[])
+{
+    if (argc < 3)
+    {
+        std::cerr << "usage: reachable-loop-head.exe <in-file> <out-file>"
+                  << std::endl;
+        return -1;
+    }
+    using namespace boost;
+    GraphvizDigraph g;
+    read_graphviz(argv[1], g);
+    graph_traits< GraphvizDigraph >::vertex_descriptor loop_head = 1;
+    typedef color_traits< default_color_type > Color;
+
+    std::vector< default_color_type > reachable_from_head(
+        num_vertices(g), Color::white());
+    default_color_type c;
+    depth_first_visit(g, loop_head, default_dfs_visitor(),
+        make_iterator_property_map(
+            reachable_from_head.begin(), get(vertex_index, g), c));
+
+    property_map< GraphvizDigraph, vertex_attribute_t >::type vattr_map
+        = get(vertex_attribute, g);
+
+    graph_traits< GraphvizDigraph >::vertex_iterator i, i_end;
+    for (boost::tie(i, i_end) = vertices(g); i != i_end; ++i)
+        if (reachable_from_head[*i] != Color::white())
+        {
+            vattr_map[*i]["color"] = "gray";
+            vattr_map[*i]["style"] = "filled";
+        }
+
+    std::ofstream loops_out(argv[2]);
+#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300
+    // VC++ has trouble with the get_property() functions
+    loops_out << "digraph G  {\n"
+              << "size=\"3,3\"\n"
+              << "ratio=\"fill\"\n"
+              << "shape=\"box\"\n";
+    graph_traits< GraphvizDigraph >::vertex_iterator vi, vi_end;
+    for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi)
+    {
+        loops_out << *vi << "[";
+        for (std::map< std::string, std::string >::iterator ai
+             = vattr_map[*vi].begin();
+             ai != vattr_map[*vi].end(); ++ai)
+        {
+            loops_out << ai->first << "=" << ai->second;
+            if (next(ai) != vattr_map[*vi].end())
+                loops_out << ", ";
+        }
+        loops_out << "]";
+    }
+    property_map< GraphvizDigraph, edge_attribute_t >::type eattr_map
+        = get(edge_attribute, g);
+    graph_traits< GraphvizDigraph >::edge_iterator ei, ei_end;
+    for (boost::tie(ei, ei_end) = edges(g); ei != ei_end; ++ei)
+    {
+        loops_out << source(*ei, g) << " -> " << target(*ei, g) << "[";
+        std::map< std::string, std::string >& attr_map = eattr_map[*ei];
+        for (std::map< std::string, std::string >::iterator eai
+             = attr_map.begin();
+             eai != attr_map.end(); ++eai)
+        {
+            loops_out << eai->first << "=" << eai->second;
+            if (next(eai) != attr_map.end())
+                loops_out << ", ";
+        }
+        loops_out << "]";
+    }
+    loops_out << "}\n";
+#else
+    get_property(g, graph_graph_attribute)["size"] = "3,3";
+    get_property(g, graph_graph_attribute)["ratio"] = "fill";
+    get_property(g, graph_vertex_attribute)["shape"] = "box";
+
+    write_graphviz(loops_out, g, make_vertex_attributes_writer(g),
+        make_edge_attributes_writer(g), make_graph_attributes_writer(g));
+#endif
+
+    return EXIT_SUCCESS;
+}