[Lemon-commits] deba: r3325 - in lemon/trunk: doc lemon lemon/concepts

Lemon SVN svn at lemon.cs.elte.hu
Tue Oct 2 14:34:44 CEST 2007


Author: deba
Date: Tue Oct  2 14:34:43 2007
New Revision: 3325

Added:
   lemon/trunk/doc/developers.dox
Modified:
   lemon/trunk/doc/Makefile.am
   lemon/trunk/lemon/concepts/bpugraph.h
   lemon/trunk/lemon/concepts/graph.h
   lemon/trunk/lemon/concepts/graph_components.h
   lemon/trunk/lemon/concepts/ugraph.h
   lemon/trunk/lemon/graph_utils.h

Log:
New developers page
The participation period should be included

Bug fix in doc related to Graph concpets

Removing some todos!



Modified: lemon/trunk/doc/Makefile.am
==============================================================================
--- lemon/trunk/doc/Makefile.am	(original)
+++ lemon/trunk/doc/Makefile.am	Tue Oct  2 14:34:43 2007
@@ -10,6 +10,7 @@
 	doc/algorithms.dox \
 	doc/coding_style.dox \
 	doc/developers_interface.dox \
+	doc/developres.dox \
 	doc/dirs.dox \
 	doc/getstart.dox \
 	doc/graph-adaptors.dox \

Added: lemon/trunk/doc/developers.dox
==============================================================================
--- (empty file)
+++ lemon/trunk/doc/developers.dox	Tue Oct  2 14:34:43 2007
@@ -0,0 +1,41 @@
+/* -*- C++ -*-
+ *
+ * This file is a part of LEMON, a generic C++ optimization library
+ *
+ * Copyright (C) 2003-2007
+ * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
+ * (Egervary Research Group on Combinatorial Optimization, EGRES).
+ *
+ * Permission to use, modify and distribute this software is granted
+ * provided that this copyright notice appears in all copies. For
+ * precise terms see the accompanying LICENSE file.
+ *
+ * This software is provided "AS IS" with no warranty of any kind,
+ * express or implied, and with no claim as to its suitability for any
+ * purpose.
+ *
+ */
+
+namespace lemon {
+/*!
+
+
+\page developers LEMON Developers
+
+\li Mihaly Barasz
+\li Johanna Becker
+\li Attila Bernath
+\li Balazs Dezso
+\li Peter Hegyi
+\li Alpar Juttner
+\li Peter Kovacs
+\li Akos Ladanyi
+\li Marton Makai
+\li Balazs Attila Mihaly
+\li Janos Nagy
+\li Jacint Szabo
+\li Zsuzsanna Vaik
+
+*/
+}
+

Modified: lemon/trunk/lemon/concepts/bpugraph.h
==============================================================================
--- lemon/trunk/lemon/concepts/bpugraph.h	(original)
+++ lemon/trunk/lemon/concepts/bpugraph.h	Tue Oct  2 14:34:43 2007
@@ -33,8 +33,7 @@
 namespace lemon {
   namespace concepts {
 
-    /// \addtogroup graph_concepts
-    /// @{
+    /// \ingroup graph_concepts
     ///
     /// \brief Class describing the concept of Bipartite Undirected Graphs.
     ///
@@ -998,9 +997,6 @@
 
     };
 
-
-    /// @}
-
   }
 
 }

Modified: lemon/trunk/lemon/concepts/graph.h
==============================================================================
--- lemon/trunk/lemon/concepts/graph.h	(original)
+++ lemon/trunk/lemon/concepts/graph.h	Tue Oct  2 14:34:43 2007
@@ -32,8 +32,7 @@
 namespace lemon {
   namespace concepts {
 
-    /// \addtogroup graph_concepts
-    /// @{
+    /// \ingroup graph_concepts
     ///
     /// \brief Class describing the concept of Directed Graphs.
     ///
@@ -446,7 +445,6 @@
 
     };
     
-    // @}
   } //namespace concepts  
 } //namespace lemon
 

Modified: lemon/trunk/lemon/concepts/graph_components.h
==============================================================================
--- lemon/trunk/lemon/concepts/graph_components.h	(original)
+++ lemon/trunk/lemon/concepts/graph_components.h	Tue Oct  2 14:34:43 2007
@@ -1482,15 +1482,12 @@
       ///
       template <typename _Value>
       class NodeMap : public GraphMap<Graph, Node, _Value> {
-      private:
-	NodeMap();
       public:
         typedef GraphMap<MappableGraphComponent, Node, _Value> Parent;
 
 	/// \brief Construct a new map.
 	///
 	/// Construct a new map for the graph.
-	/// \todo call the right parent class constructor
 	explicit NodeMap(const MappableGraphComponent& graph) 
           : Parent(graph) {}
 
@@ -1522,15 +1519,12 @@
       ///
       template <typename _Value>
       class EdgeMap : public GraphMap<Graph, Edge, _Value> {
-      private:
-	EdgeMap();
       public:
         typedef GraphMap<MappableGraphComponent, Edge, _Value> Parent;
 
 	/// \brief Construct a new map.
 	///
 	/// Construct a new map for the graph.
-	/// \todo call the right parent class constructor
 	explicit EdgeMap(const MappableGraphComponent& graph) 
           : Parent(graph) {}
 
@@ -1627,7 +1621,6 @@
 	/// \brief Construct a new map.
 	///
 	/// Construct a new map for the graph.
-	/// \todo call the right parent class constructor
 	explicit UEdgeMap(const MappableUGraphComponent& graph) 
           : Parent(graph) {}
 
@@ -1712,7 +1705,6 @@
 	/// \brief Construct a new map.
 	///
 	/// Construct a new map for the graph.
-	/// \todo call the right parent class constructor
 	explicit ANodeMap(const MappableBpUGraphComponent& graph) 
           : Parent(graph) {}
 
@@ -1750,7 +1742,6 @@
 	/// \brief Construct a new map.
 	///
 	/// Construct a new map for the graph.
-	/// \todo call the right parent class constructor
 	explicit BNodeMap(const MappableBpUGraphComponent& graph) 
           : Parent(graph) {}
 

Modified: lemon/trunk/lemon/concepts/ugraph.h
==============================================================================
--- lemon/trunk/lemon/concepts/ugraph.h	(original)
+++ lemon/trunk/lemon/concepts/ugraph.h	Tue Oct  2 14:34:43 2007
@@ -30,8 +30,7 @@
 namespace lemon {
   namespace concepts {
 
-    /// \addtogroup graph_concepts
-    /// @{
+    /// \ingroup graph_concepts
     ///
     /// \brief Class describing the concept of Undirected Graphs.
     ///
@@ -696,8 +695,6 @@
 
     };
 
-    /// @}
-
   }
 
 }

Modified: lemon/trunk/lemon/graph_utils.h
==============================================================================
--- lemon/trunk/lemon/graph_utils.h	(original)
+++ lemon/trunk/lemon/graph_utils.h	Tue Oct  2 14:34:43 2007
@@ -146,8 +146,9 @@
   /// The complexity of the function is O(n) but for some
   /// graph structures it is specialized to run in O(1).
   ///
-  /// \todo Refer how to specialize it.
-
+  /// If the graph contains a \e nodeNum() member function and a 
+  /// \e NodeNumTag tag then this function calls directly the member
+  /// function to query the cardinality of the node set.
   template <typename Graph>
   inline int countNodes(const Graph& g) {
     return _graph_utils_bits::CountNodesSelector<Graph>::count(g);
@@ -179,8 +180,9 @@
   /// The complexity of the function is O(an) but for some
   /// graph structures it is specialized to run in O(1).
   ///
-  /// \todo Refer how to specialize it.
-
+  /// If the graph contains an \e aNodeNum() member function and a 
+  /// \e NodeNumTag tag then this function calls directly the member
+  /// function to query the cardinality of the A-node set.
   template <typename Graph>
   inline int countANodes(const Graph& g) {
     return _graph_utils_bits::CountANodesSelector<Graph>::count(g);
@@ -212,8 +214,9 @@
   /// The complexity of the function is O(bn) but for some
   /// graph structures it is specialized to run in O(1).
   ///
-  /// \todo Refer how to specialize it.
-
+  /// If the graph contains a \e bNodeNum() member function and a 
+  /// \e NodeNumTag tag then this function calls directly the member
+  /// function to query the cardinality of the B-node set.
   template <typename Graph>
   inline int countBNodes(const Graph& g) {
     return _graph_utils_bits::CountBNodesSelector<Graph>::count(g);
@@ -247,7 +250,10 @@
   /// This function counts the edges in the graph.
   /// The complexity of the function is O(e) but for some
   /// graph structures it is specialized to run in O(1).
-
+  ///
+  /// If the graph contains a \e edgeNum() member function and a 
+  /// \e EdgeNumTag tag then this function calls directly the member
+  /// function to query the cardinality of the edge set.
   template <typename Graph>
   inline int countEdges(const Graph& g) {
     return _graph_utils_bits::CountEdgesSelector<Graph>::count(g);
@@ -279,7 +285,10 @@
   /// This function counts the undirected edges in the graph.
   /// The complexity of the function is O(e) but for some
   /// graph structures it is specialized to run in O(1).
-
+  ///
+  /// If the graph contains a \e uEdgeNum() member function and a 
+  /// \e EdgeNumTag tag then this function calls directly the member
+  /// function to query the cardinality of the undirected edge set.
   template <typename Graph>
   inline int countUEdges(const Graph& g) {
     return _graph_utils_bits::CountUEdgesSelector<Graph>::count(g);
@@ -559,26 +568,26 @@
 
   /// \brief Copy a map.
   ///
-  /// This function copies the \c source map to the \c target map. It uses the
+  /// This function copies the \c from map to the \c to map. It uses the
   /// given iterator to iterate on the data structure and it uses the \c ref
-  /// mapping to convert the source's keys to the target's keys.
-  template <typename Target, typename Source, 
+  /// mapping to convert the from's keys to the to's keys.
+  template <typename To, typename From, 
 	    typename ItemIt, typename Ref>	    
-  void copyMap(Target& target, const Source& source, 
+  void copyMap(To& to, const From& from, 
 	       ItemIt it, const Ref& ref) {
     for (; it != INVALID; ++it) {
-      target[ref[it]] = source[it];
+      to[ref[it]] = from[it];
     }
   }
 
-  /// \brief Copy the source map to the target map.
+  /// \brief Copy the from map to the to map.
   ///
-  /// Copy the \c source map to the \c target map. It uses the given iterator
+  /// Copy the \c from map to the \c to map. It uses the given iterator
   /// to iterate on the data structure.
-  template <typename Target, typename Source, typename ItemIt>	    
-  void copyMap(Target& target, const Source& source, ItemIt it) {
+  template <typename To, typename From, typename ItemIt>	    
+  void copyMap(To& to, const From& from, ItemIt it) {
     for (; it != INVALID; ++it) {
-      target[it] = source[it];
+      to[it] = from[it];
     }
   }
 
@@ -587,17 +596,17 @@
     template <typename Graph, typename Item, typename RefMap>
     class MapCopyBase {
     public:
-      virtual void copy(const Graph& source, const RefMap& refMap) = 0;
+      virtual void copy(const Graph& from, const RefMap& refMap) = 0;
       
       virtual ~MapCopyBase() {}
     };
 
     template <typename Graph, typename Item, typename RefMap, 
-              typename TargetMap, typename SourceMap>
+              typename ToMap, typename FromMap>
     class MapCopy : public MapCopyBase<Graph, Item, RefMap> {
     public:
 
-      MapCopy(TargetMap& tmap, const SourceMap& map) 
+      MapCopy(ToMap& tmap, const FromMap& map) 
         : _tmap(tmap), _map(map) {}
       
       virtual void copy(const Graph& graph, const RefMap& refMap) {
@@ -608,8 +617,8 @@
       }
 
     private:
-      TargetMap& _tmap;
-      const SourceMap& _map;
+      ToMap& _tmap;
+      const FromMap& _map;
     };
 
     template <typename Graph, typename Item, typename RefMap, typename It>
@@ -664,15 +673,15 @@
 
     template <typename Graph, typename Enable = void>
     struct GraphCopySelector {
-      template <typename Source, typename NodeRefMap, typename EdgeRefMap>
-      static void copy(Graph &target, const Source& source,
+      template <typename From, typename NodeRefMap, typename EdgeRefMap>
+      static void copy(Graph &to, const From& from,
                        NodeRefMap& nodeRefMap, EdgeRefMap& edgeRefMap) {
-        for (typename Source::NodeIt it(source); it != INVALID; ++it) {
-          nodeRefMap[it] = target.addNode();
+        for (typename From::NodeIt it(from); it != INVALID; ++it) {
+          nodeRefMap[it] = to.addNode();
         }
-        for (typename Source::EdgeIt it(source); it != INVALID; ++it) {
-          edgeRefMap[it] = target.addEdge(nodeRefMap[source.source(it)], 
-                                          nodeRefMap[source.target(it)]);
+        for (typename From::EdgeIt it(from); it != INVALID; ++it) {
+          edgeRefMap[it] = to.addEdge(nodeRefMap[from.source(it)], 
+                                          nodeRefMap[from.target(it)]);
         }
       }
     };
@@ -682,24 +691,24 @@
       Graph, 
       typename enable_if<typename Graph::BuildTag, void>::type> 
     {
-      template <typename Source, typename NodeRefMap, typename EdgeRefMap>
-      static void copy(Graph &target, const Source& source,
+      template <typename From, typename NodeRefMap, typename EdgeRefMap>
+      static void copy(Graph &to, const From& from,
                        NodeRefMap& nodeRefMap, EdgeRefMap& edgeRefMap) {
-        target.build(source, nodeRefMap, edgeRefMap);
+        to.build(from, nodeRefMap, edgeRefMap);
       }
     };
 
     template <typename UGraph, typename Enable = void>
     struct UGraphCopySelector {
-      template <typename Source, typename NodeRefMap, typename UEdgeRefMap>
-      static void copy(UGraph &target, const Source& source,
+      template <typename From, typename NodeRefMap, typename UEdgeRefMap>
+      static void copy(UGraph &to, const From& from,
                        NodeRefMap& nodeRefMap, UEdgeRefMap& uEdgeRefMap) {
-        for (typename Source::NodeIt it(source); it != INVALID; ++it) {
-          nodeRefMap[it] = target.addNode();
+        for (typename From::NodeIt it(from); it != INVALID; ++it) {
+          nodeRefMap[it] = to.addNode();
         }
-        for (typename Source::UEdgeIt it(source); it != INVALID; ++it) {
-          uEdgeRefMap[it] = target.addEdge(nodeRefMap[source.source(it)], 
-                                          nodeRefMap[source.target(it)]);
+        for (typename From::UEdgeIt it(from); it != INVALID; ++it) {
+          uEdgeRefMap[it] = to.addEdge(nodeRefMap[from.source(it)], 
+				       nodeRefMap[from.target(it)]);
         }
       }
     };
@@ -709,29 +718,29 @@
       UGraph, 
       typename enable_if<typename UGraph::BuildTag, void>::type> 
     {
-      template <typename Source, typename NodeRefMap, typename UEdgeRefMap>
-      static void copy(UGraph &target, const Source& source,
+      template <typename From, typename NodeRefMap, typename UEdgeRefMap>
+      static void copy(UGraph &to, const From& from,
                        NodeRefMap& nodeRefMap, UEdgeRefMap& uEdgeRefMap) {
-        target.build(source, nodeRefMap, uEdgeRefMap);
+        to.build(from, nodeRefMap, uEdgeRefMap);
       }
     };
 
     template <typename BpUGraph, typename Enable = void>
     struct BpUGraphCopySelector {
-      template <typename Source, typename ANodeRefMap, 
+      template <typename From, typename ANodeRefMap, 
                 typename BNodeRefMap, typename UEdgeRefMap>
-      static void copy(BpUGraph &target, const Source& source,
+      static void copy(BpUGraph &to, const From& from,
                        ANodeRefMap& aNodeRefMap, BNodeRefMap& bNodeRefMap,
                        UEdgeRefMap& uEdgeRefMap) {
-        for (typename Source::ANodeIt it(source); it != INVALID; ++it) {
-          aNodeRefMap[it] = target.addANode();
+        for (typename From::ANodeIt it(from); it != INVALID; ++it) {
+          aNodeRefMap[it] = to.addANode();
         }
-        for (typename Source::BNodeIt it(source); it != INVALID; ++it) {
-          bNodeRefMap[it] = target.addBNode();
+        for (typename From::BNodeIt it(from); it != INVALID; ++it) {
+          bNodeRefMap[it] = to.addBNode();
         }
-        for (typename Source::UEdgeIt it(source); it != INVALID; ++it) {
-          uEdgeRefMap[it] = target.addEdge(aNodeRefMap[source.aNode(it)], 
-                                           bNodeRefMap[source.bNode(it)]);
+        for (typename From::UEdgeIt it(from); it != INVALID; ++it) {
+          uEdgeRefMap[it] = to.addEdge(aNodeRefMap[from.aNode(it)], 
+                                           bNodeRefMap[from.bNode(it)]);
         }
       }
     };
@@ -741,12 +750,12 @@
       BpUGraph, 
       typename enable_if<typename BpUGraph::BuildTag, void>::type> 
     {
-      template <typename Source, typename ANodeRefMap, 
+      template <typename From, typename ANodeRefMap, 
                 typename BNodeRefMap, typename UEdgeRefMap>
-      static void copy(BpUGraph &target, const Source& source,
+      static void copy(BpUGraph &to, const From& from,
                        ANodeRefMap& aNodeRefMap, BNodeRefMap& bNodeRefMap,
                        UEdgeRefMap& uEdgeRefMap) {
-        target.build(source, aNodeRefMap, bNodeRefMap, uEdgeRefMap);
+        to.build(from, aNodeRefMap, bNodeRefMap, uEdgeRefMap);
       }
     };
     
@@ -757,20 +766,20 @@
   ///
   /// Class to copy a graph to another graph (duplicate a graph). The
   /// simplest way of using it is through the \c copyGraph() function.
-  template <typename Target, typename Source>
+  template <typename To, typename From>
   class GraphCopy {
   private:
 
-    typedef typename Source::Node Node;
-    typedef typename Source::NodeIt NodeIt;
-    typedef typename Source::Edge Edge;
-    typedef typename Source::EdgeIt EdgeIt;
+    typedef typename From::Node Node;
+    typedef typename From::NodeIt NodeIt;
+    typedef typename From::Edge Edge;
+    typedef typename From::EdgeIt EdgeIt;
 
-    typedef typename Target::Node TNode;
-    typedef typename Target::Edge TEdge;
+    typedef typename To::Node TNode;
+    typedef typename To::Edge TEdge;
 
-    typedef typename Source::template NodeMap<TNode> NodeRefMap;
-    typedef typename Source::template EdgeMap<TEdge> EdgeRefMap;
+    typedef typename From::template NodeMap<TNode> NodeRefMap;
+    typedef typename From::template EdgeMap<TEdge> EdgeRefMap;
     
     
   public: 
@@ -778,10 +787,10 @@
 
     /// \brief Constructor for the GraphCopy.
     ///
-    /// It copies the content of the \c _source graph into the
-    /// \c _target graph.
-    GraphCopy(Target& _target, const Source& _source) 
-      : source(_source), target(_target) {}
+    /// It copies the content of the \c _from graph into the
+    /// \c _to graph.
+    GraphCopy(To& _to, const From& _from) 
+      : from(_from), to(_to) {}
 
     /// \brief Destructor of the GraphCopy
     ///
@@ -801,7 +810,7 @@
     /// Copies the node references into the given map.
     template <typename NodeRef>
     GraphCopy& nodeRef(NodeRef& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, Node, 
+      nodeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, Node, 
                               NodeRefMap, NodeRef>(map));
       return *this;
     }
@@ -812,7 +821,7 @@
     ///  the given map.
     template <typename NodeCrossRef>
     GraphCopy& nodeCrossRef(NodeCrossRef& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, Node,
+      nodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, Node,
                               NodeRefMap, NodeCrossRef>(map));
       return *this;
     }
@@ -820,13 +829,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's node type,
-    /// and the copied map's key type is the source graph's node
+    /// The new map's key type is the to graph's node type,
+    /// and the copied map's key type is the from graph's node
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    GraphCopy& nodeMap(TargetMap& tmap, const SourceMap& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, Node, 
-                              NodeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    GraphCopy& nodeMap(ToMap& tmap, const FromMap& map) {
+      nodeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, Node, 
+                              NodeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -834,7 +843,7 @@
     ///
     /// Make a copy of the given node.
     GraphCopy& node(TNode& tnode, const Node& snode) {
-      nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
+      nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, Node, 
                               NodeRefMap, TNode>(tnode, snode));
       return *this;
     }
@@ -844,7 +853,7 @@
     /// Copies the edge references into the given map.
     template <typename EdgeRef>
     GraphCopy& edgeRef(EdgeRef& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, Edge, 
+      edgeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, Edge, 
                               EdgeRefMap, EdgeRef>(map));
       return *this;
     }
@@ -855,7 +864,7 @@
     ///  the given map.
     template <typename EdgeCrossRef>
     GraphCopy& edgeCrossRef(EdgeCrossRef& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, Edge,
+      edgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, Edge,
                               EdgeRefMap, EdgeCrossRef>(map));
       return *this;
     }
@@ -863,13 +872,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's edge type,
-    /// and the copied map's key type is the source graph's edge
+    /// The new map's key type is the to graph's edge type,
+    /// and the copied map's key type is the from graph's edge
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    GraphCopy& edgeMap(TargetMap& tmap, const SourceMap& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, Edge, 
-                              EdgeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    GraphCopy& edgeMap(ToMap& tmap, const FromMap& map) {
+      edgeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, Edge, 
+                              EdgeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -877,7 +886,7 @@
     ///
     /// Make a copy of the given edge.
     GraphCopy& edge(TEdge& tedge, const Edge& sedge) {
-      edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
+      edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, Edge, 
                               EdgeRefMap, TEdge>(tedge, sedge));
       return *this;
     }
@@ -886,28 +895,28 @@
     ///
     /// Executes the copies.
     void run() {
-      NodeRefMap nodeRefMap(source);
-      EdgeRefMap edgeRefMap(source);
-      _graph_utils_bits::GraphCopySelector<Target>::
-        copy(target, source, nodeRefMap, edgeRefMap);
+      NodeRefMap nodeRefMap(from);
+      EdgeRefMap edgeRefMap(from);
+      _graph_utils_bits::GraphCopySelector<To>::
+        copy(to, from, nodeRefMap, edgeRefMap);
       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
-        nodeMapCopies[i]->copy(source, nodeRefMap);
+        nodeMapCopies[i]->copy(from, nodeRefMap);
       }
       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
-        edgeMapCopies[i]->copy(source, edgeRefMap);
+        edgeMapCopies[i]->copy(from, edgeRefMap);
       }      
     }
 
   protected:
 
 
-    const Source& source;
-    Target& target;
+    const From& from;
+    To& to;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, Node, NodeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, Node, NodeRefMap>* > 
     nodeMapCopies;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, Edge, EdgeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, Edge, EdgeRefMap>* > 
     edgeMapCopies;
 
   };
@@ -922,57 +931,57 @@
   ///\endcode
   /// 
   /// After the copy the \c nr map will contain the mapping from the
-  /// source graph's nodes to the target graph's nodes and the \c ecr will
-  /// contain the mapping from the target graph's edges to the source's
+  /// from graph's nodes to the to graph's nodes and the \c ecr will
+  /// contain the mapping from the to graph's edges to the from's
   /// edges.
   ///
   /// \see GraphCopy 
-  template <typename Target, typename Source>
-  GraphCopy<Target, Source> copyGraph(Target& target, const Source& source) {
-    return GraphCopy<Target, Source>(target, source);
+  template <typename To, typename From>
+  GraphCopy<To, From> copyGraph(To& to, const From& from) {
+    return GraphCopy<To, From>(to, from);
   }
 
   /// \brief Class to copy an undirected graph.
   ///
   /// Class to copy an undirected graph to another graph (duplicate a graph).
   /// The simplest way of using it is through the \c copyUGraph() function.
-  template <typename Target, typename Source>
+  template <typename To, typename From>
   class UGraphCopy {
   private:
 
-    typedef typename Source::Node Node;
-    typedef typename Source::NodeIt NodeIt;
-    typedef typename Source::Edge Edge;
-    typedef typename Source::EdgeIt EdgeIt;
-    typedef typename Source::UEdge UEdge;
-    typedef typename Source::UEdgeIt UEdgeIt;
-
-    typedef typename Target::Node TNode;
-    typedef typename Target::Edge TEdge;
-    typedef typename Target::UEdge TUEdge;
+    typedef typename From::Node Node;
+    typedef typename From::NodeIt NodeIt;
+    typedef typename From::Edge Edge;
+    typedef typename From::EdgeIt EdgeIt;
+    typedef typename From::UEdge UEdge;
+    typedef typename From::UEdgeIt UEdgeIt;
+
+    typedef typename To::Node TNode;
+    typedef typename To::Edge TEdge;
+    typedef typename To::UEdge TUEdge;
 
-    typedef typename Source::template NodeMap<TNode> NodeRefMap;
-    typedef typename Source::template UEdgeMap<TUEdge> UEdgeRefMap;
+    typedef typename From::template NodeMap<TNode> NodeRefMap;
+    typedef typename From::template UEdgeMap<TUEdge> UEdgeRefMap;
 
     struct EdgeRefMap {
-      EdgeRefMap(const Target& _target, const Source& _source,
+      EdgeRefMap(const To& _to, const From& _from,
                  const UEdgeRefMap& _uedge_ref, const NodeRefMap& _node_ref) 
-        : target(_target), source(_source), 
+        : to(_to), from(_from), 
           uedge_ref(_uedge_ref), node_ref(_node_ref) {}
 
-      typedef typename Source::Edge Key;
-      typedef typename Target::Edge Value;
+      typedef typename From::Edge Key;
+      typedef typename To::Edge Value;
 
       Value operator[](const Key& key) const {
         bool forward = 
-          (source.direction(key) == 
-           (node_ref[source.source(static_cast<const UEdge&>(key))] == 
-            target.source(uedge_ref[static_cast<const UEdge&>(key)])));
-	return target.direct(uedge_ref[key], forward); 
+          (from.direction(key) == 
+           (node_ref[from.source(static_cast<const UEdge&>(key))] == 
+            to.source(uedge_ref[static_cast<const UEdge&>(key)])));
+	return to.direct(uedge_ref[key], forward); 
       }
       
-      const Target& target;
-      const Source& source;
+      const To& to;
+      const From& from;
       const UEdgeRefMap& uedge_ref;
       const NodeRefMap& node_ref;
     };
@@ -983,10 +992,10 @@
 
     /// \brief Constructor for the GraphCopy.
     ///
-    /// It copies the content of the \c _source graph into the
-    /// \c _target graph.
-    UGraphCopy(Target& _target, const Source& _source) 
-      : source(_source), target(_target) {}
+    /// It copies the content of the \c _from graph into the
+    /// \c _to graph.
+    UGraphCopy(To& _to, const From& _from) 
+      : from(_from), to(_to) {}
 
     /// \brief Destructor of the GraphCopy
     ///
@@ -1009,7 +1018,7 @@
     /// Copies the node references into the given map.
     template <typename NodeRef>
     UGraphCopy& nodeRef(NodeRef& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, Node, 
+      nodeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, Node, 
                               NodeRefMap, NodeRef>(map));
       return *this;
     }
@@ -1020,7 +1029,7 @@
     ///  the given map.
     template <typename NodeCrossRef>
     UGraphCopy& nodeCrossRef(NodeCrossRef& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, Node,
+      nodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, Node,
                               NodeRefMap, NodeCrossRef>(map));
       return *this;
     }
@@ -1028,13 +1037,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's node type,
-    /// and the copied map's key type is the source graph's node
+    /// The new map's key type is the to graph's node type,
+    /// and the copied map's key type is the from graph's node
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    UGraphCopy& nodeMap(TargetMap& tmap, const SourceMap& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, Node, 
-                              NodeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    UGraphCopy& nodeMap(ToMap& tmap, const FromMap& map) {
+      nodeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, Node, 
+                              NodeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -1042,7 +1051,7 @@
     ///
     /// Make a copy of the given node.
     UGraphCopy& node(TNode& tnode, const Node& snode) {
-      nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
+      nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, Node, 
                               NodeRefMap, TNode>(tnode, snode));
       return *this;
     }
@@ -1052,7 +1061,7 @@
     /// Copies the edge references into the given map.
     template <typename EdgeRef>
     UGraphCopy& edgeRef(EdgeRef& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, Edge, 
+      edgeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, Edge, 
                               EdgeRefMap, EdgeRef>(map));
       return *this;
     }
@@ -1063,7 +1072,7 @@
     ///  the given map.
     template <typename EdgeCrossRef>
     UGraphCopy& edgeCrossRef(EdgeCrossRef& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, Edge,
+      edgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, Edge,
                               EdgeRefMap, EdgeCrossRef>(map));
       return *this;
     }
@@ -1071,13 +1080,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's edge type,
-    /// and the copied map's key type is the source graph's edge
+    /// The new map's key type is the to graph's edge type,
+    /// and the copied map's key type is the from graph's edge
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    UGraphCopy& edgeMap(TargetMap& tmap, const SourceMap& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, Edge, 
-                              EdgeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    UGraphCopy& edgeMap(ToMap& tmap, const FromMap& map) {
+      edgeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, Edge, 
+                              EdgeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -1085,7 +1094,7 @@
     ///
     /// Make a copy of the given edge.
     UGraphCopy& edge(TEdge& tedge, const Edge& sedge) {
-      edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
+      edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, Edge, 
                               EdgeRefMap, TEdge>(tedge, sedge));
       return *this;
     }
@@ -1095,7 +1104,7 @@
     /// Copies the undirected edge references into the given map.
     template <typename UEdgeRef>
     UGraphCopy& uEdgeRef(UEdgeRef& map) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, UEdge, 
+      uEdgeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, UEdge, 
                                UEdgeRefMap, UEdgeRef>(map));
       return *this;
     }
@@ -1106,7 +1115,7 @@
     /// references) into the given map.
     template <typename UEdgeCrossRef>
     UGraphCopy& uEdgeCrossRef(UEdgeCrossRef& map) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, 
+      uEdgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, 
                                UEdge, UEdgeRefMap, UEdgeCrossRef>(map));
       return *this;
     }
@@ -1114,13 +1123,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's undirected edge type,
-    /// and the copied map's key type is the source graph's undirected edge
+    /// The new map's key type is the to graph's undirected edge type,
+    /// and the copied map's key type is the from graph's undirected edge
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    UGraphCopy& uEdgeMap(TargetMap& tmap, const SourceMap& map) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, UEdge, 
-                               UEdgeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    UGraphCopy& uEdgeMap(ToMap& tmap, const FromMap& map) {
+      uEdgeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, UEdge, 
+                               UEdgeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -1128,7 +1137,7 @@
     ///
     /// Make a copy of the given undirected edge.
     UGraphCopy& uEdge(TUEdge& tuedge, const UEdge& suedge) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, UEdge, 
+      uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, UEdge, 
                                UEdgeRefMap, TUEdge>(tuedge, suedge));
       return *this;
     }
@@ -1137,34 +1146,34 @@
     ///
     /// Executes the copies.
     void run() {
-      NodeRefMap nodeRefMap(source);
-      UEdgeRefMap uEdgeRefMap(source);
-      EdgeRefMap edgeRefMap(target, source, uEdgeRefMap, nodeRefMap);
-      _graph_utils_bits::UGraphCopySelector<Target>::
-        copy(target, source, nodeRefMap, uEdgeRefMap);
+      NodeRefMap nodeRefMap(from);
+      UEdgeRefMap uEdgeRefMap(from);
+      EdgeRefMap edgeRefMap(to, from, uEdgeRefMap, nodeRefMap);
+      _graph_utils_bits::UGraphCopySelector<To>::
+        copy(to, from, nodeRefMap, uEdgeRefMap);
       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
-        nodeMapCopies[i]->copy(source, nodeRefMap);
+        nodeMapCopies[i]->copy(from, nodeRefMap);
       }
       for (int i = 0; i < int(uEdgeMapCopies.size()); ++i) {
-        uEdgeMapCopies[i]->copy(source, uEdgeRefMap);
+        uEdgeMapCopies[i]->copy(from, uEdgeRefMap);
       }
       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
-        edgeMapCopies[i]->copy(source, edgeRefMap);
+        edgeMapCopies[i]->copy(from, edgeRefMap);
       }
     }
 
   private:
     
-    const Source& source;
-    Target& target;
+    const From& from;
+    To& to;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, Node, NodeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, Node, NodeRefMap>* > 
     nodeMapCopies;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, Edge, EdgeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, Edge, EdgeRefMap>* > 
     edgeMapCopies;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, UEdge, UEdgeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, UEdge, UEdgeRefMap>* > 
     uEdgeMapCopies;
 
   };
@@ -1179,15 +1188,15 @@
   ///\endcode
   /// 
   /// After the copy the \c nr map will contain the mapping from the
-  /// source graph's nodes to the target graph's nodes and the \c ecr will
-  /// contain the mapping from the target graph's edges to the source's
+  /// from graph's nodes to the to graph's nodes and the \c ecr will
+  /// contain the mapping from the to graph's edges to the from's
   /// edges.
   ///
   /// \see UGraphCopy 
-  template <typename Target, typename Source>
-  UGraphCopy<Target, Source> 
-  copyUGraph(Target& target, const Source& source) {
-    return UGraphCopy<Target, Source>(target, source);
+  template <typename To, typename From>
+  UGraphCopy<To, From> 
+  copyUGraph(To& to, const From& from) {
+    return UGraphCopy<To, From>(to, from);
   }
 
   /// \brief Class to copy a bipartite undirected graph.
@@ -1195,63 +1204,63 @@
   /// Class to copy a bipartite undirected graph to another graph
   /// (duplicate a graph).  The simplest way of using it is through
   /// the \c copyBpUGraph() function.
-  template <typename Target, typename Source>
+  template <typename To, typename From>
   class BpUGraphCopy {
   private:
 
-    typedef typename Source::Node Node;
-    typedef typename Source::ANode ANode;
-    typedef typename Source::BNode BNode;
-    typedef typename Source::NodeIt NodeIt;
-    typedef typename Source::Edge Edge;
-    typedef typename Source::EdgeIt EdgeIt;
-    typedef typename Source::UEdge UEdge;
-    typedef typename Source::UEdgeIt UEdgeIt;
-
-    typedef typename Target::Node TNode;
-    typedef typename Target::Edge TEdge;
-    typedef typename Target::UEdge TUEdge;
-
-    typedef typename Source::template ANodeMap<TNode> ANodeRefMap;
-    typedef typename Source::template BNodeMap<TNode> BNodeRefMap;
-    typedef typename Source::template UEdgeMap<TUEdge> UEdgeRefMap;
+    typedef typename From::Node Node;
+    typedef typename From::ANode ANode;
+    typedef typename From::BNode BNode;
+    typedef typename From::NodeIt NodeIt;
+    typedef typename From::Edge Edge;
+    typedef typename From::EdgeIt EdgeIt;
+    typedef typename From::UEdge UEdge;
+    typedef typename From::UEdgeIt UEdgeIt;
+
+    typedef typename To::Node TNode;
+    typedef typename To::Edge TEdge;
+    typedef typename To::UEdge TUEdge;
+
+    typedef typename From::template ANodeMap<TNode> ANodeRefMap;
+    typedef typename From::template BNodeMap<TNode> BNodeRefMap;
+    typedef typename From::template UEdgeMap<TUEdge> UEdgeRefMap;
 
     struct NodeRefMap {
-      NodeRefMap(const Source& _source, const ANodeRefMap& _anode_ref,
+      NodeRefMap(const From& _from, const ANodeRefMap& _anode_ref,
                  const BNodeRefMap& _bnode_ref)
-        : source(_source), anode_ref(_anode_ref), bnode_ref(_bnode_ref) {}
+        : from(_from), anode_ref(_anode_ref), bnode_ref(_bnode_ref) {}
 
-      typedef typename Source::Node Key;
-      typedef typename Target::Node Value;
+      typedef typename From::Node Key;
+      typedef typename To::Node Value;
 
       Value operator[](const Key& key) const {
-	return source.aNode(key) ? anode_ref[key] : bnode_ref[key]; 
+	return from.aNode(key) ? anode_ref[key] : bnode_ref[key]; 
       }
       
-      const Source& source;
+      const From& from;
       const ANodeRefMap& anode_ref;
       const BNodeRefMap& bnode_ref;
     };
 
     struct EdgeRefMap {
-      EdgeRefMap(const Target& _target, const Source& _source,
+      EdgeRefMap(const To& _to, const From& _from,
                  const UEdgeRefMap& _uedge_ref, const NodeRefMap& _node_ref) 
-        : target(_target), source(_source), 
+        : to(_to), from(_from), 
           uedge_ref(_uedge_ref), node_ref(_node_ref) {}
 
-      typedef typename Source::Edge Key;
-      typedef typename Target::Edge Value;
+      typedef typename From::Edge Key;
+      typedef typename To::Edge Value;
 
       Value operator[](const Key& key) const {
         bool forward = 
-          (source.direction(key) == 
-           (node_ref[source.source(static_cast<const UEdge&>(key))] == 
-            target.source(uedge_ref[static_cast<const UEdge&>(key)])));
-	return target.direct(uedge_ref[key], forward); 
+          (from.direction(key) == 
+           (node_ref[from.source(static_cast<const UEdge&>(key))] == 
+            to.source(uedge_ref[static_cast<const UEdge&>(key)])));
+	return to.direct(uedge_ref[key], forward); 
       }
       
-      const Target& target;
-      const Source& source;
+      const To& to;
+      const From& from;
       const UEdgeRefMap& uedge_ref;
       const NodeRefMap& node_ref;
     };
@@ -1261,10 +1270,10 @@
 
     /// \brief Constructor for the GraphCopy.
     ///
-    /// It copies the content of the \c _source graph into the
-    /// \c _target graph.
-    BpUGraphCopy(Target& _target, const Source& _source) 
-      : source(_source), target(_target) {}
+    /// It copies the content of the \c _from graph into the
+    /// \c _to graph.
+    BpUGraphCopy(To& _to, const From& _from) 
+      : from(_from), to(_to) {}
 
     /// \brief Destructor of the GraphCopy
     ///
@@ -1293,7 +1302,7 @@
     /// Copies the A-node references into the given map.
     template <typename ANodeRef>
     BpUGraphCopy& aNodeRef(ANodeRef& map) {
-      aNodeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, ANode, 
+      aNodeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, ANode, 
                                ANodeRefMap, ANodeRef>(map));
       return *this;
     }
@@ -1304,7 +1313,7 @@
     /// the given map.
     template <typename ANodeCrossRef>
     BpUGraphCopy& aNodeCrossRef(ANodeCrossRef& map) {
-      aNodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, 
+      aNodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, 
                                ANode, ANodeRefMap, ANodeCrossRef>(map));
       return *this;
     }
@@ -1312,13 +1321,13 @@
     /// \brief Make copy of the given A-node map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's node type,
-    /// and the copied map's key type is the source graph's node
+    /// The new map's key type is the to graph's node type,
+    /// and the copied map's key type is the from graph's node
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    BpUGraphCopy& aNodeMap(TargetMap& tmap, const SourceMap& map) {
-      aNodeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, ANode, 
-                               ANodeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    BpUGraphCopy& aNodeMap(ToMap& tmap, const FromMap& map) {
+      aNodeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, ANode, 
+                               ANodeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -1327,7 +1336,7 @@
     /// Copies the B-node references into the given map.
     template <typename BNodeRef>
     BpUGraphCopy& bNodeRef(BNodeRef& map) {
-      bNodeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, BNode, 
+      bNodeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, BNode, 
                                BNodeRefMap, BNodeRef>(map));
       return *this;
     }
@@ -1338,7 +1347,7 @@
     ///  the given map.
     template <typename BNodeCrossRef>
     BpUGraphCopy& bNodeCrossRef(BNodeCrossRef& map) {
-      bNodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, 
+      bNodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, 
                               BNode, BNodeRefMap, BNodeCrossRef>(map));
       return *this;
     }
@@ -1346,13 +1355,13 @@
     /// \brief Make copy of the given B-node map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's node type,
-    /// and the copied map's key type is the source graph's node
+    /// The new map's key type is the to graph's node type,
+    /// and the copied map's key type is the from graph's node
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    BpUGraphCopy& bNodeMap(TargetMap& tmap, const SourceMap& map) {
-      bNodeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, BNode, 
-                               BNodeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    BpUGraphCopy& bNodeMap(ToMap& tmap, const FromMap& map) {
+      bNodeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, BNode, 
+                               BNodeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
     /// \brief Copies the node references into the given map.
@@ -1360,7 +1369,7 @@
     /// Copies the node references into the given map.
     template <typename NodeRef>
     BpUGraphCopy& nodeRef(NodeRef& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, Node, 
+      nodeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, Node, 
                               NodeRefMap, NodeRef>(map));
       return *this;
     }
@@ -1371,7 +1380,7 @@
     ///  the given map.
     template <typename NodeCrossRef>
     BpUGraphCopy& nodeCrossRef(NodeCrossRef& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, Node,
+      nodeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, Node,
                               NodeRefMap, NodeCrossRef>(map));
       return *this;
     }
@@ -1379,13 +1388,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's node type,
-    /// and the copied map's key type is the source graph's node
+    /// The new map's key type is the to graph's node type,
+    /// and the copied map's key type is the from graph's node
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    BpUGraphCopy& nodeMap(TargetMap& tmap, const SourceMap& map) {
-      nodeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, Node, 
-                              NodeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    BpUGraphCopy& nodeMap(ToMap& tmap, const FromMap& map) {
+      nodeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, Node, 
+                              NodeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -1393,7 +1402,7 @@
     ///
     /// Make a copy of the given node.
     BpUGraphCopy& node(TNode& tnode, const Node& snode) {
-      nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
+      nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, Node, 
                               NodeRefMap, TNode>(tnode, snode));
       return *this;
     }
@@ -1403,7 +1412,7 @@
     /// Copies the edge references into the given map.
     template <typename EdgeRef>
     BpUGraphCopy& edgeRef(EdgeRef& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, Edge, 
+      edgeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, Edge, 
                               EdgeRefMap, EdgeRef>(map));
       return *this;
     }
@@ -1414,7 +1423,7 @@
     ///  the given map.
     template <typename EdgeCrossRef>
     BpUGraphCopy& edgeCrossRef(EdgeCrossRef& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, Edge,
+      edgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, Edge,
                               EdgeRefMap, EdgeCrossRef>(map));
       return *this;
     }
@@ -1422,13 +1431,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's edge type,
-    /// and the copied map's key type is the source graph's edge
+    /// The new map's key type is the to graph's edge type,
+    /// and the copied map's key type is the from graph's edge
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    BpUGraphCopy& edgeMap(TargetMap& tmap, const SourceMap& map) {
-      edgeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, Edge, 
-                              EdgeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    BpUGraphCopy& edgeMap(ToMap& tmap, const FromMap& map) {
+      edgeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, Edge, 
+                              EdgeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -1436,7 +1445,7 @@
     ///
     /// Make a copy of the given edge.
     BpUGraphCopy& edge(TEdge& tedge, const Edge& sedge) {
-      edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
+      edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, Edge, 
                               EdgeRefMap, TEdge>(tedge, sedge));
       return *this;
     }
@@ -1446,7 +1455,7 @@
     /// Copies the undirected edge references into the given map.
     template <typename UEdgeRef>
     BpUGraphCopy& uEdgeRef(UEdgeRef& map) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::RefCopy<Source, UEdge, 
+      uEdgeMapCopies.push_back(new _graph_utils_bits::RefCopy<From, UEdge, 
                                UEdgeRefMap, UEdgeRef>(map));
       return *this;
     }
@@ -1457,7 +1466,7 @@
     /// references) into the given map.
     template <typename UEdgeCrossRef>
     BpUGraphCopy& uEdgeCrossRef(UEdgeCrossRef& map) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<Source, 
+      uEdgeMapCopies.push_back(new _graph_utils_bits::CrossRefCopy<From, 
                                UEdge, UEdgeRefMap, UEdgeCrossRef>(map));
       return *this;
     }
@@ -1465,13 +1474,13 @@
     /// \brief Make copy of the given map.
     ///
     /// Makes copy of the given map for the newly created graph. 
-    /// The new map's key type is the target graph's undirected edge type,
-    /// and the copied map's key type is the source graph's undirected edge
+    /// The new map's key type is the to graph's undirected edge type,
+    /// and the copied map's key type is the from graph's undirected edge
     /// type.  
-    template <typename TargetMap, typename SourceMap>
-    BpUGraphCopy& uEdgeMap(TargetMap& tmap, const SourceMap& map) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::MapCopy<Source, UEdge, 
-                               UEdgeRefMap, TargetMap, SourceMap>(tmap, map));
+    template <typename ToMap, typename FromMap>
+    BpUGraphCopy& uEdgeMap(ToMap& tmap, const FromMap& map) {
+      uEdgeMapCopies.push_back(new _graph_utils_bits::MapCopy<From, UEdge, 
+                               UEdgeRefMap, ToMap, FromMap>(tmap, map));
       return *this;
     }
 
@@ -1479,7 +1488,7 @@
     ///
     /// Make a copy of the given undirected edge.
     BpUGraphCopy& uEdge(TUEdge& tuedge, const UEdge& suedge) {
-      uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, UEdge, 
+      uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<From, UEdge, 
                                UEdgeRefMap, TUEdge>(tuedge, suedge));
       return *this;
     }
@@ -1488,48 +1497,48 @@
     ///
     /// Executes the copies.
     void run() {
-      ANodeRefMap aNodeRefMap(source);
-      BNodeRefMap bNodeRefMap(source);
-      NodeRefMap nodeRefMap(source, aNodeRefMap, bNodeRefMap);
-      UEdgeRefMap uEdgeRefMap(source);
-      EdgeRefMap edgeRefMap(target, source, uEdgeRefMap, nodeRefMap);
-      _graph_utils_bits::BpUGraphCopySelector<Target>::
-        copy(target, source, aNodeRefMap, bNodeRefMap, uEdgeRefMap);
+      ANodeRefMap aNodeRefMap(from);
+      BNodeRefMap bNodeRefMap(from);
+      NodeRefMap nodeRefMap(from, aNodeRefMap, bNodeRefMap);
+      UEdgeRefMap uEdgeRefMap(from);
+      EdgeRefMap edgeRefMap(to, from, uEdgeRefMap, nodeRefMap);
+      _graph_utils_bits::BpUGraphCopySelector<To>::
+        copy(to, from, aNodeRefMap, bNodeRefMap, uEdgeRefMap);
       for (int i = 0; i < int(aNodeMapCopies.size()); ++i) {
-        aNodeMapCopies[i]->copy(source, aNodeRefMap);
+        aNodeMapCopies[i]->copy(from, aNodeRefMap);
       }
       for (int i = 0; i < int(bNodeMapCopies.size()); ++i) {
-        bNodeMapCopies[i]->copy(source, bNodeRefMap);
+        bNodeMapCopies[i]->copy(from, bNodeRefMap);
       }
       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
-        nodeMapCopies[i]->copy(source, nodeRefMap);
+        nodeMapCopies[i]->copy(from, nodeRefMap);
       }
       for (int i = 0; i < int(uEdgeMapCopies.size()); ++i) {
-        uEdgeMapCopies[i]->copy(source, uEdgeRefMap);
+        uEdgeMapCopies[i]->copy(from, uEdgeRefMap);
       }
       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
-        edgeMapCopies[i]->copy(source, edgeRefMap);
+        edgeMapCopies[i]->copy(from, edgeRefMap);
       }
     }
 
   private:
     
-    const Source& source;
-    Target& target;
+    const From& from;
+    To& to;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, ANode, ANodeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, ANode, ANodeRefMap>* > 
     aNodeMapCopies;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, BNode, BNodeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, BNode, BNodeRefMap>* > 
     bNodeMapCopies;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, Node, NodeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, Node, NodeRefMap>* > 
     nodeMapCopies;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, Edge, EdgeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, Edge, EdgeRefMap>* > 
     edgeMapCopies;
 
-    std::vector<_graph_utils_bits::MapCopyBase<Source, UEdge, UEdgeRefMap>* > 
+    std::vector<_graph_utils_bits::MapCopyBase<From, UEdge, UEdgeRefMap>* > 
     uEdgeMapCopies;
 
   };
@@ -1544,15 +1553,15 @@
   ///\endcode
   /// 
   /// After the copy the \c nr map will contain the mapping from the
-  /// source graph's nodes to the target graph's nodes and the \c ecr will
-  /// contain the mapping from the target graph's edges to the source's
+  /// from graph's nodes to the to graph's nodes and the \c ecr will
+  /// contain the mapping from the to graph's edges to the from's
   /// edges.
   ///
   /// \see BpUGraphCopy
-  template <typename Target, typename Source>
-  BpUGraphCopy<Target, Source> 
-  copyBpUGraph(Target& target, const Source& source) {
-    return BpUGraphCopy<Target, Source>(target, source);
+  template <typename To, typename From>
+  BpUGraphCopy<To, From> 
+  copyBpUGraph(To& to, const From& from) {
+    return BpUGraphCopy<To, From>(to, from);
   }
 
 



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