diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/stdapis/boost/graph/graph_utility.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/stdapis/boost/graph/graph_utility.hpp	Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,425 @@
+//
+//=======================================================================
+// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
+// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
+//
+// 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)
+//=======================================================================
+//
+#ifndef BOOST_GRAPH_UTILITY_HPP
+#define BOOST_GRAPH_UTILITY_HPP
+
+#include <stdlib.h>
+#include <iostream>
+#include <algorithm>
+#include <assert.h>
+#include <boost/config.hpp>
+#include <boost/tuple/tuple.hpp>
+
+#if !defined BOOST_NO_SLIST
+#  ifdef BOOST_SLIST_HEADER
+#    include BOOST_SLIST_HEADER
+#  else
+#    include <slist>
+#  endif
+#endif
+
+#include <boost/graph/graph_traits.hpp>
+#include <boost/graph/properties.hpp>
+#include <boost/pending/container_traits.hpp>
+#include <boost/graph/depth_first_search.hpp>
+// iota moved to detail/algorithm.hpp
+#include <boost/detail/algorithm.hpp>
+
+namespace boost {
+
+  // Provide an undirected graph interface alternative to the
+  // the source() and target() edge functions.
+  template <class UndirectedGraph>
+  inline 
+  std::pair<typename graph_traits<UndirectedGraph>::vertex_descriptor,
+            typename graph_traits<UndirectedGraph>::vertex_descriptor>
+  incident(typename graph_traits<UndirectedGraph>::edge_descriptor e,
+           UndirectedGraph& g)
+  {
+    return std::make_pair(source(e,g), target(e,g));
+  }
+
+  // Provide an undirected graph interface alternative
+  // to the out_edges() function.
+  template <class Graph>
+  inline 
+  std::pair<typename graph_traits<Graph>::out_edge_iterator,
+            typename graph_traits<Graph>::out_edge_iterator>
+  incident_edges(typename graph_traits<Graph>::vertex_descriptor u,
+                 Graph& g)
+  {
+    return out_edges(u, g);
+  }
+
+  template <class Graph>
+  inline typename graph_traits<Graph>::vertex_descriptor
+  opposite(typename graph_traits<Graph>::edge_descriptor e,
+           typename graph_traits<Graph>::vertex_descriptor v,
+           const Graph& g)
+  {
+    typedef typename graph_traits<Graph>::vertex_descriptor vertex_descriptor;
+    if (v == source(e, g))
+      return target(e, g);
+    else if (v == target(e, g))
+      return source(e, g);
+    else
+      return vertex_descriptor();
+  }
+
+  //===========================================================================
+  // Some handy predicates
+
+  template <typename Vertex, typename Graph>
+  struct incident_from_predicate {
+    incident_from_predicate(Vertex u, const Graph& g)
+      : m_u(u), m_g(g) { }
+    template <class Edge>
+    bool operator()(const Edge& e) const {
+      return source(e, m_g) == m_u;
+    }
+    Vertex m_u;
+    const Graph& m_g;
+  };
+  template <typename Vertex, typename Graph>
+  inline incident_from_predicate<Vertex, Graph>
+  incident_from(Vertex u, const Graph& g) {
+    return incident_from_predicate<Vertex, Graph>(u, g);
+  }
+  
+  template <typename Vertex, typename Graph>
+  struct incident_to_predicate {
+    incident_to_predicate(Vertex u, const Graph& g)
+      : m_u(u), m_g(g) { }
+    template <class Edge>
+    bool operator()(const Edge& e) const {
+      return target(e, m_g) == m_u;
+    }
+    Vertex m_u;
+    const Graph& m_g;
+  };
+  template <typename Vertex, typename Graph>
+  inline incident_to_predicate<Vertex, Graph>
+  incident_to(Vertex u, const Graph& g) {
+    return incident_to_predicate<Vertex, Graph>(u, g);
+  }
+
+  template <typename Vertex, typename Graph>
+  struct incident_on_predicate {
+    incident_on_predicate(Vertex u, const Graph& g)
+      : m_u(u), m_g(g) { }
+    template <class Edge>
+    bool operator()(const Edge& e) const {
+      return source(e, m_g) == m_u || target(e, m_g) == m_u;
+    }
+    Vertex m_u;
+    const Graph& m_g;
+  };
+  template <typename Vertex, typename Graph>
+  inline incident_on_predicate<Vertex, Graph>
+  incident_on(Vertex u, const Graph& g) {
+    return incident_on_predicate<Vertex, Graph>(u, g);
+  }
+  
+  template <typename Vertex, typename Graph>
+  struct connects_predicate {
+    connects_predicate(Vertex u, Vertex v, const Graph& g)
+      : m_u(u), m_v(v), m_g(g) { }
+    template <class Edge>
+    bool operator()(const Edge& e) const {
+      if (is_directed(m_g))
+        return source(e, m_g) == m_u && target(e, m_g) == m_v;
+      else
+        return (source(e, m_g) == m_u && target(e, m_g) == m_v)
+          || (source(e, m_g) == m_v && target(e, m_g) == m_u);
+    }
+    Vertex m_u, m_v;
+    const Graph& m_g;
+  };
+  template <typename Vertex, typename Graph>
+  inline connects_predicate<Vertex, Graph>
+  connects(Vertex u, Vertex v, const Graph& g) {
+          return connects_predicate<Vertex, Graph>(u, v, g);
+  }
+
+
+  // Need to convert all of these printing functions to take an ostream object
+  // -JGS
+
+  template <class IncidenceGraph, class Name>
+  void print_in_edges(const IncidenceGraph& G, Name name)
+  {
+    typename graph_traits<IncidenceGraph>::vertex_iterator ui,ui_end;
+    for (tie(ui,ui_end) = vertices(G); ui != ui_end; ++ui) {
+      std::cout << get(name,*ui) << " <-- ";
+      typename graph_traits<IncidenceGraph>
+        ::in_edge_iterator ei, ei_end;
+      for(tie(ei,ei_end) = in_edges(*ui,G); ei != ei_end; ++ei)
+        std::cout << get(name,source(*ei,G)) << " ";
+      std::cout << std::endl;
+    }
+  }
+
+  template <class IncidenceGraph, class Name>
+  void print_graph_dispatch(const IncidenceGraph& G, Name name, directed_tag)
+  {
+    typename graph_traits<IncidenceGraph>::vertex_iterator ui,ui_end;
+    for (tie(ui,ui_end) = vertices(G); ui != ui_end; ++ui) {
+      std::cout << get(name,*ui) << " --> ";
+      typename graph_traits<IncidenceGraph>
+        ::out_edge_iterator ei, ei_end;
+      for(tie(ei,ei_end) = out_edges(*ui,G); ei != ei_end; ++ei)
+        std::cout << get(name,target(*ei,G)) << " ";
+      std::cout << std::endl;
+    }
+  }
+  template <class IncidenceGraph, class Name>
+  void print_graph_dispatch(const IncidenceGraph& G, Name name, undirected_tag)
+  {
+    typename graph_traits<IncidenceGraph>::vertex_iterator ui,ui_end;
+    for (tie(ui,ui_end) = vertices(G); ui != ui_end; ++ui) {
+      std::cout << get(name,*ui) << " <--> ";
+      typename graph_traits<IncidenceGraph>
+        ::out_edge_iterator ei, ei_end;
+      for(tie(ei,ei_end) = out_edges(*ui,G); ei != ei_end; ++ei)
+        std::cout << get(name,target(*ei,G)) << " ";
+      std::cout << std::endl;
+    }
+  }
+  template <class IncidenceGraph, class Name>
+  void print_graph(const IncidenceGraph& G, Name name)
+  {
+    typedef typename graph_traits<IncidenceGraph>
+      ::directed_category Cat;
+    print_graph_dispatch(G, name, Cat());
+  }
+  template <class IncidenceGraph>
+  void print_graph(const IncidenceGraph& G) {
+    print_graph(G, get(vertex_index, G));
+  }
+
+  template <class EdgeListGraph, class Name>
+  void print_edges(const EdgeListGraph& G, Name name)
+  {
+    typename graph_traits<EdgeListGraph>::edge_iterator ei, ei_end;
+    for (tie(ei, ei_end) = edges(G); ei != ei_end; ++ei)
+      std::cout << "(" << get(name, source(*ei, G))
+                << "," << get(name, target(*ei, G)) << ") ";
+    std::cout << std::endl;
+  }
+
+  template <class EdgeListGraph, class VertexName, class EdgeName>
+  void print_edges2(const EdgeListGraph& G, VertexName vname, EdgeName ename)
+  {
+    typename graph_traits<EdgeListGraph>::edge_iterator ei, ei_end;
+    for (tie(ei, ei_end) = edges(G); ei != ei_end; ++ei)
+      std::cout << get(ename, *ei) << "(" << get(vname, source(*ei, G))
+                << "," << get(vname, target(*ei, G)) << ") ";
+    std::cout << std::endl;
+  }
+
+  template <class VertexListGraph, class Name>
+  void print_vertices(const VertexListGraph& G, Name name)
+  {
+    typename graph_traits<VertexListGraph>::vertex_iterator vi,vi_end;
+    for (tie(vi,vi_end) = vertices(G); vi != vi_end; ++vi)
+      std::cout << get(name,*vi) << " ";
+    std::cout << std::endl;
+  }
+
+  template <class Graph, class Vertex>
+  bool is_adj_dispatch(Graph& g, Vertex a, Vertex b, bidirectional_tag)
+  {
+    typedef typename graph_traits<Graph>::edge_descriptor 
+      edge_descriptor;
+    typename graph_traits<Graph>::adjacency_iterator vi, viend, 
+      adj_found;
+    tie(vi, viend) = adjacent_vertices(a, g);
+    adj_found = std::find(vi, viend, b);
+    if (adj_found == viend)
+      return false;  
+
+    typename graph_traits<Graph>::out_edge_iterator oi, oiend, 
+      out_found;
+    tie(oi, oiend) = out_edges(a, g);
+    out_found = std::find_if(oi, oiend, incident_to(b, g));
+    if (out_found == oiend)
+      return false;
+
+    typename graph_traits<Graph>::in_edge_iterator ii, iiend, 
+      in_found;
+    tie(ii, iiend) = in_edges(b, g);
+    in_found = std::find_if(ii, iiend, incident_from(a, g));
+    if (in_found == iiend)
+      return false;
+
+    return true;
+  }
+  template <class Graph, class Vertex>
+  bool is_adj_dispatch(Graph& g, Vertex a, Vertex b, directed_tag)
+  {
+    typedef typename graph_traits<Graph>::edge_descriptor 
+      edge_descriptor;
+    typename graph_traits<Graph>::adjacency_iterator vi, viend, found;
+    tie(vi, viend) = adjacent_vertices(a, g);
+#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300 && defined(__SGI_STL_PORT)
+    // Getting internal compiler error with std::find()
+    found = viend;
+    for (; vi != viend; ++vi)
+      if (*vi == b) {
+        found = vi;
+        break;
+      }
+#else
+    found = std::find(vi, viend, b);
+#endif
+    if ( found == viend )
+      return false;
+
+    typename graph_traits<Graph>::out_edge_iterator oi, oiend, 
+      out_found;
+    tie(oi, oiend) = out_edges(a, g);
+
+#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300 && defined(__SGI_STL_PORT)
+    // Getting internal compiler error with std::find()
+    out_found = oiend;
+    for (; oi != oiend; ++oi)
+      if (target(*oi, g) == b) {
+        out_found = oi;
+        break;
+      }
+#else
+    out_found = std::find_if(oi, oiend, incident_to(b, g));
+#endif
+    if (out_found == oiend)
+      return false;
+    return true;
+  }
+  template <class Graph, class Vertex>
+  bool is_adj_dispatch(Graph& g, Vertex a, Vertex b, undirected_tag)
+  {
+    return is_adj_dispatch(g, a, b, directed_tag());
+  }
+
+  template <class Graph, class Vertex>
+  bool is_adjacent(Graph& g, Vertex a, Vertex b) {
+    typedef typename graph_traits<Graph>::directed_category Cat;
+    return is_adj_dispatch(g, a, b, Cat());
+  }
+
+  template <class Graph, class Edge>
+  bool in_edge_set(Graph& g, Edge e)
+  {
+    typename Graph::edge_iterator ei, ei_end, found;
+    tie(ei, ei_end) = edges(g);
+    found = std::find(ei, ei_end, e);
+    return found != ei_end;
+  }
+
+  template <class Graph, class Vertex>
+  bool in_vertex_set(Graph& g, Vertex v)
+  {
+    typename Graph::vertex_iterator vi, vi_end, found;
+    tie(vi, vi_end) = vertices(g);
+    found = std::find(vi, vi_end, v);
+    return found != vi_end;
+  }
+
+  template <class Graph, class Vertex>
+  bool in_edge_set(Graph& g, Vertex u, Vertex v)
+  {
+    typename Graph::edge_iterator ei, ei_end;
+    for (tie(ei,ei_end) = edges(g); ei != ei_end; ++ei)
+      if (source(*ei,g) == u && target(*ei,g) == v)
+        return true;
+    return false;
+  }
+
+  // is x a descendant of y?
+  template <typename ParentMap>
+  inline bool is_descendant
+  (typename property_traits<ParentMap>::value_type x,
+   typename property_traits<ParentMap>::value_type y,
+   ParentMap parent) 
+  {
+    if (get(parent, x) == x) // x is the root of the tree
+      return false;
+    else if (get(parent, x) == y)
+      return true;
+    else
+      return is_descendant(get(parent, x), y, parent);
+  }
+
+  // is y reachable from x?
+  template <typename IncidenceGraph, typename VertexColorMap>
+  inline bool is_reachable
+    (typename graph_traits<IncidenceGraph>::vertex_descriptor x,
+     typename graph_traits<IncidenceGraph>::vertex_descriptor y,
+     const IncidenceGraph& g,
+     VertexColorMap color) // should start out white for every vertex
+  {
+    typedef typename property_traits<VertexColorMap>::value_type ColorValue;
+    dfs_visitor<> vis;
+    depth_first_visit(g, x, vis, color);
+    return get(color, y) != color_traits<ColorValue>::white();
+  }
+
+  // Is the undirected graph connected?
+  // Is the directed graph strongly connected?
+  template <typename VertexListGraph, typename VertexColorMap>
+  inline bool is_connected(const VertexListGraph& g, VertexColorMap color)
+  {
+    typedef typename property_traits<VertexColorMap>::value_type ColorValue;
+    typedef color_traits<ColorValue> Color;
+    typename graph_traits<VertexListGraph>::vertex_iterator 
+      ui, ui_end, vi, vi_end, ci, ci_end;
+    for (tie(ui, ui_end) = vertices(g); ui != ui_end; ++ui)
+      for (tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi)
+        if (*ui != *vi) {
+          for (tie(ci, ci_end) = vertices(g); ci != ci_end; ++ci) 
+            put(color, *ci, Color::white());
+          if (! is_reachable(*ui, *vi, color))
+            return false;
+        }
+    return true;
+  }
+
+  template <typename Graph>
+  bool is_self_loop
+    (typename graph_traits<Graph>::edge_descriptor e,
+     const Graph& g)
+  {
+    return source(e, g) == target(e, g);
+  }
+
+
+  template <class T1, class T2>
+  std::pair<T1,T2> 
+  make_list(const T1& t1, const T2& t2) 
+    { return std::make_pair(t1, t2); }
+
+  template <class T1, class T2, class T3>
+  std::pair<T1,std::pair<T2,T3> > 
+  make_list(const T1& t1, const T2& t2, const T3& t3)
+    { return std::make_pair(t1, std::make_pair(t2, t3)); }
+
+  template <class T1, class T2, class T3, class T4>
+  std::pair<T1,std::pair<T2,std::pair<T3,T4> > > 
+  make_list(const T1& t1, const T2& t2, const T3& t3, const T4& t4)
+    { return std::make_pair(t1, std::make_pair(t2, std::make_pair(t3, t4))); }
+
+  template <class T1, class T2, class T3, class T4, class T5>
+  std::pair<T1,std::pair<T2,std::pair<T3,std::pair<T4,T5> > > > 
+  make_list(const T1& t1, const T2& t2, const T3& t3, const T4& t4, const T5& t5)
+    { return std::make_pair(t1, std::make_pair(t2, std::make_pair(t3, std::make_pair(t4, t5)))); }
+
+} /* namespace boost */
+
+#endif /* BOOST_GRAPH_UTILITY_HPP*/