LEMON/LEMON-main Changeset - r787:c2230649a493

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Changeset - r787:c2230649a493

« 784:1a7fe3

788:c92296 »

r787:c2230649a493

Sun, 15 Nov 2009 19:57:02

[Not Reviewed]

0 comments (0 inline)

kpeter (Peter Kovacs)
kpeter@inf.elte.hu

Various doc improvements (#331) - Add notes to the graph classes about the time of item counting. - Clarify the doc for run() in BFS and DFS. - Other improvements.

0 11 0

default

11 files changed with 93 insertions and 43 deletions:

lemon/adaptors.h

lemon/bfs.h

lemon/dfs.h

lemon/dijkstra.h

lemon/edge_set.h

lemon/full_graph.h

lemon/grid_graph.h

lemon/hypercube_graph.h

lemon/list_graph.h

lemon/smart_graph.h

lemon/static_graph.h

↑ Collapse diff ↑

lemon/adaptors.h

Show inline comments

@@ -315,96 +315,99 @@
 		        return *this;
+		      }
 		    };
 		  };
 		  template <typename DGR>
 		  class ReverseDigraphBase : public DigraphAdaptorBase<DGR> {
 		    typedef DigraphAdaptorBase<DGR> Parent;
 		  public:
 		    typedef DGR Digraph;
 		  protected:
 		    ReverseDigraphBase() : Parent() { }
 		  public:
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Arc Arc;
 		    void firstIn(Arc& a, const Node& n) const { Parent::firstOut(a, n); }
 		    void firstOut(Arc& a, const Node& n ) const { Parent::firstIn(a, n); }
 		    void nextIn(Arc& a) const { Parent::nextOut(a); }
 		    void nextOut(Arc& a) const { Parent::nextIn(a); }
 		    Node source(const Arc& a) const { return Parent::target(a); }
 		    Node target(const Arc& a) const { return Parent::source(a); }
 		    Arc addArc(const Node& u, const Node& v) { return Parent::addArc(v, u); }
 		    typedef FindArcTagIndicator<DGR> FindArcTag;
 		    Arc findArc(const Node& u, const Node& v,
 		                const Arc& prev = INVALID) const {
 		      return Parent::findArc(v, u, prev);
+		    }
 		  };
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for reversing the orientation of the arcs in
 		  /// a digraph.
 		  ///
 		  /// ReverseDigraph can be used for reversing the arcs in a digraph.
 		  /// It conforms to the \ref concepts::Digraph "Digraph" concept.
 		  ///
 		  /// The adapted digraph can also be modified through this adaptor
 		  /// by adding or removing nodes or arcs, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides item counting in the same time as the adapted
 		  /// digraph structure.
 		  ///
 		  /// \tparam DGR The type of the adapted digraph.
 		  /// It must conform to the \ref concepts::Digraph "Digraph" concept.
 		  /// It can also be specified to be \c const.
 		  ///
 		  /// \note The \c Node and \c Arc types of this adaptor and the adapted
 		  /// digraph are convertible to each other.
 		  template<typename DGR>
 		#ifdef DOXYGEN
 		  class ReverseDigraph {
 		#else
 		  class ReverseDigraph :
 		    public DigraphAdaptorExtender<ReverseDigraphBase<DGR> > {
 		#endif
 		    typedef DigraphAdaptorExtender<ReverseDigraphBase<DGR> > Parent;
 		  public:
 		    /// The type of the adapted digraph.
 		    typedef DGR Digraph;
 		  protected:
 		    ReverseDigraph() { }
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Creates a reverse digraph adaptor for the given digraph.
 		    explicit ReverseDigraph(DGR& digraph) {
 		      Parent::initialize(digraph);
+		    }
 		  };
 		  /// \brief Returns a read-only ReverseDigraph adaptor
 		  ///
 		  /// This function just returns a read-only \ref ReverseDigraph adaptor.
 		  /// \ingroup graph_adaptors
 		  /// \relates ReverseDigraph
 		  template<typename DGR>
 		  ReverseDigraph<const DGR> reverseDigraph(const DGR& digraph) {
 		    return ReverseDigraph<const DGR>(digraph);
+		  }
 		  template <typename DGR, typename NF, typename AF, bool ch = true>
 		  class SubDigraphBase : public DigraphAdaptorBase<DGR> {
 		    typedef DigraphAdaptorBase<DGR> Parent;
 		  public:
 		    typedef DGR Digraph;
 		    typedef NF NodeFilterMap;
 		    typedef AF ArcFilterMap;
@@ -674,96 +677,98 @@
+		      }
 		    };
 		    template <typename V>
 		    class ArcMap
 		      : public SubMapExtender<SubDigraphBase<DGR, NF, AF, false>,
 		          LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> {
 		      typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, false>,
 		        LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> Parent;
 		    public:
 		      typedef V Value;
 		      ArcMap(const SubDigraphBase<DGR, NF, AF, false>& adaptor)
 		        : Parent(adaptor) {}
 		      ArcMap(const SubDigraphBase<DGR, NF, AF, false>& adaptor, const V& value)
 		        : Parent(adaptor, value) {}
 		    private:
 		      ArcMap& operator=(const ArcMap& cmap) {
 		        return operator=<ArcMap>(cmap);
+		      }
 		      template <typename CMap>
 		      ArcMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  };
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for hiding nodes and arcs in a digraph
 		  ///
 		  /// SubDigraph can be used for hiding nodes and arcs in a digraph.
 		  /// A \c bool node map and a \c bool arc map must be specified, which
 		  /// define the filters for nodes and arcs.
 		  /// Only the nodes and arcs with \c true filter value are
 		  /// shown in the subdigraph. The arcs that are incident to hidden
 		  /// nodes are also filtered out.
 		  /// This adaptor conforms to the \ref concepts::Digraph "Digraph" concept.
 		  ///
 		  /// The adapted digraph can also be modified through this adaptor
 		  /// by adding or removing nodes or arcs, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides only linear time counting for nodes and arcs.
 		  ///
 		  /// \tparam DGR The type of the adapted digraph.
 		  /// It must conform to the \ref concepts::Digraph "Digraph" concept.
 		  /// It can also be specified to be \c const.
 		  /// \tparam NF The type of the node filter map.
 		  /// It must be a \c bool (or convertible) node map of the
 		  /// adapted digraph. The default type is
 		  /// \ref concepts::Digraph::NodeMap "DGR::NodeMap<bool>".
 		  /// \tparam AF The type of the arc filter map.
 		  /// It must be \c bool (or convertible) arc map of the
 		  /// adapted digraph. The default type is
 		  /// \ref concepts::Digraph::ArcMap "DGR::ArcMap<bool>".
 		  ///
 		  /// \note The \c Node and \c Arc types of this adaptor and the adapted
 		  /// digraph are convertible to each other.
 		  ///
 		  /// \see FilterNodes
 		  /// \see FilterArcs
 		#ifdef DOXYGEN
 		  template<typename DGR, typename NF, typename AF>
 		  class SubDigraph {
 		#else
 		  template<typename DGR,
 		           typename NF = typename DGR::template NodeMap<bool>,
 		           typename AF = typename DGR::template ArcMap<bool> >
 		  class SubDigraph :
 		    public DigraphAdaptorExtender<SubDigraphBase<DGR, NF, AF, true> > {
 		#endif
 		  public:
 		    /// The type of the adapted digraph.
 		    typedef DGR Digraph;
 		    /// The type of the node filter map.
 		    typedef NF NodeFilterMap;
 		    /// The type of the arc filter map.
 		    typedef AF ArcFilterMap;
 		    typedef DigraphAdaptorExtender<SubDigraphBase<DGR, NF, AF, true> >
 		      Parent;
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Arc Arc;
 		  protected:
 		    SubDigraph() { }
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Creates a subdigraph for the given digraph with the
@@ -1269,96 +1274,98 @@
 		    template <typename V>
 		    class EdgeMap
 		      : public SubMapExtender<SubGraphBase<GR, NF, EF, false>,
 		        LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> {
 		      typedef SubMapExtender<SubGraphBase<GR, NF, EF, false>,
 			LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> Parent;
 		    public:
 		      typedef V Value;
 		      EdgeMap(const SubGraphBase<GR, NF, EF, false>& adaptor)
 		        : Parent(adaptor) {}
 		      EdgeMap(const SubGraphBase<GR, NF, EF, false>& adaptor, const V& value)
 		        : Parent(adaptor, value) {}
 		    private:
 		      EdgeMap& operator=(const EdgeMap& cmap) {
 		        return operator=<EdgeMap>(cmap);
+		      }
 		      template <typename CMap>
 		      EdgeMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  };
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for hiding nodes and edges in an undirected
 		  /// graph.
 		  ///
 		  /// SubGraph can be used for hiding nodes and edges in a graph.
 		  /// A \c bool node map and a \c bool edge map must be specified, which
 		  /// define the filters for nodes and edges.
 		  /// Only the nodes and edges with \c true filter value are
 		  /// shown in the subgraph. The edges that are incident to hidden
 		  /// nodes are also filtered out.
 		  /// This adaptor conforms to the \ref concepts::Graph "Graph" concept.
 		  ///
 		  /// The adapted graph can also be modified through this adaptor
 		  /// by adding or removing nodes or edges, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides only linear time counting for nodes, edges and arcs.
 		  ///
 		  /// \tparam GR The type of the adapted graph.
 		  /// It must conform to the \ref concepts::Graph "Graph" concept.
 		  /// It can also be specified to be \c const.
 		  /// \tparam NF The type of the node filter map.
 		  /// It must be a \c bool (or convertible) node map of the
 		  /// adapted graph. The default type is
 		  /// \ref concepts::Graph::NodeMap "GR::NodeMap<bool>".
 		  /// \tparam EF The type of the edge filter map.
 		  /// It must be a \c bool (or convertible) edge map of the
 		  /// adapted graph. The default type is
 		  /// \ref concepts::Graph::EdgeMap "GR::EdgeMap<bool>".
 		  ///
 		  /// \note The \c Node, \c Edge and \c Arc types of this adaptor and the
 		  /// adapted graph are convertible to each other.
 		  ///
 		  /// \see FilterNodes
 		  /// \see FilterEdges
 		#ifdef DOXYGEN
 		  template<typename GR, typename NF, typename EF>
 		  class SubGraph {
 		#else
 		  template<typename GR,
 		           typename NF = typename GR::template NodeMap<bool>,
 		           typename EF = typename GR::template EdgeMap<bool> >
 		  class SubGraph :
 		    public GraphAdaptorExtender<SubGraphBase<GR, NF, EF, true> > {
 		#endif
 		  public:
 		    /// The type of the adapted graph.
 		    typedef GR Graph;
 		    /// The type of the node filter map.
 		    typedef NF NodeFilterMap;
 		    /// The type of the edge filter map.
 		    typedef EF EdgeFilterMap;
 		    typedef GraphAdaptorExtender<SubGraphBase<GR, NF, EF, true> >
 		      Parent;
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Edge Edge;
 		  protected:
 		    SubGraph() { }
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Creates a subgraph for the given graph with the given node
@@ -1426,96 +1433,98 @@
 		  /// This function just returns a read-only \ref SubGraph adaptor.
 		  /// \ingroup graph_adaptors
 		  /// \relates SubGraph
 		  template<typename GR, typename NF, typename EF>
 		  SubGraph<const GR, NF, EF>
 		  subGraph(const GR& graph, NF& node_filter, EF& edge_filter) {
 		    return SubGraph<const GR, NF, EF>
 		      (graph, node_filter, edge_filter);
+		  }
 		  template<typename GR, typename NF, typename EF>
 		  SubGraph<const GR, const NF, EF>
 		  subGraph(const GR& graph, const NF& node_filter, EF& edge_filter) {
 		    return SubGraph<const GR, const NF, EF>
 		      (graph, node_filter, edge_filter);
+		  }
 		  template<typename GR, typename NF, typename EF>
 		  SubGraph<const GR, NF, const EF>
 		  subGraph(const GR& graph, NF& node_filter, const EF& edge_filter) {
 		    return SubGraph<const GR, NF, const EF>
 		      (graph, node_filter, edge_filter);
+		  }
 		  template<typename GR, typename NF, typename EF>
 		  SubGraph<const GR, const NF, const EF>
 		  subGraph(const GR& graph, const NF& node_filter, const EF& edge_filter) {
 		    return SubGraph<const GR, const NF, const EF>
 		      (graph, node_filter, edge_filter);
+		  }
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for hiding nodes in a digraph or a graph.
 		  ///
 		  /// FilterNodes adaptor can be used for hiding nodes in a digraph or a
 		  /// graph. A \c bool node map must be specified, which defines the filter
 		  /// for the nodes. Only the nodes with \c true filter value and the
 		  /// arcs/edges incident to nodes both with \c true filter value are shown
 		  /// in the subgraph. This adaptor conforms to the \ref concepts::Digraph
 		  /// "Digraph" concept or the \ref concepts::Graph "Graph" concept
 		  /// depending on the \c GR template parameter.
 		  ///
 		  /// The adapted (di)graph can also be modified through this adaptor
 		  /// by adding or removing nodes or arcs/edges, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides only linear time item counting.
 		  ///
 		  /// \tparam GR The type of the adapted digraph or graph.
 		  /// It must conform to the \ref concepts::Digraph "Digraph" concept
 		  /// or the \ref concepts::Graph "Graph" concept.
 		  /// It can also be specified to be \c const.
 		  /// \tparam NF The type of the node filter map.
 		  /// It must be a \c bool (or convertible) node map of the
 		  /// adapted (di)graph. The default type is
 		  /// \ref concepts::Graph::NodeMap "GR::NodeMap<bool>".
 		  ///
 		  /// \note The \c Node and <tt>Arc/Edge</tt> types of this adaptor and the
 		  /// adapted (di)graph are convertible to each other.
 		#ifdef DOXYGEN
 		  template<typename GR, typename NF>
 		  class FilterNodes {
 		#else
 		  template<typename GR,
 		           typename NF = typename GR::template NodeMap<bool>,
 		           typename Enable = void>
 		  class FilterNodes :
 		    public DigraphAdaptorExtender<
 		      SubDigraphBase<GR, NF, ConstMap<typename GR::Arc, Const<bool, true> >,
 		                     true> > {
 		#endif
 		    typedef DigraphAdaptorExtender<
 		      SubDigraphBase<GR, NF, ConstMap<typename GR::Arc, Const<bool, true> >,
 		                     true> > Parent;
 		  public:
 		    typedef GR Digraph;
 		    typedef NF NodeFilterMap;
 		    typedef typename Parent::Node Node;
 		  protected:
 		    ConstMap<typename Digraph::Arc, Const<bool, true> > const_true_map;
 		    FilterNodes() : const_true_map() {}
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Creates a subgraph for the given digraph or graph with the
 		    /// given node filter map.
 		    FilterNodes(GR& graph, NF& node_filter)
 		      : Parent(), const_true_map()
+		    {
@@ -1574,96 +1583,98 @@
 		    FilterNodes() : const_true_map() {}
 		  public:
 		    FilterNodes(GR& graph, NodeFilterMap& node_filter) :
 		      Parent(), const_true_map() {
 		      Parent::initialize(graph, node_filter, const_true_map);
+		    }
 		    void status(const Node& n, bool v) const { Parent::status(n, v); }
 		    bool status(const Node& n) const { return Parent::status(n); }
 		    void disable(const Node& n) const { Parent::status(n, false); }
 		    void enable(const Node& n) const { Parent::status(n, true); }
 		  };
 		  /// \brief Returns a read-only FilterNodes adaptor
 		  ///
 		  /// This function just returns a read-only \ref FilterNodes adaptor.
 		  /// \ingroup graph_adaptors
 		  /// \relates FilterNodes
 		  template<typename GR, typename NF>
 		  FilterNodes<const GR, NF>
 		  filterNodes(const GR& graph, NF& node_filter) {
 		    return FilterNodes<const GR, NF>(graph, node_filter);
+		  }
 		  template<typename GR, typename NF>
 		  FilterNodes<const GR, const NF>
 		  filterNodes(const GR& graph, const NF& node_filter) {
 		    return FilterNodes<const GR, const NF>(graph, node_filter);
+		  }
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for hiding arcs in a digraph.
 		  ///
 		  /// FilterArcs adaptor can be used for hiding arcs in a digraph.
 		  /// A \c bool arc map must be specified, which defines the filter for
 		  /// the arcs. Only the arcs with \c true filter value are shown in the
 		  /// subdigraph. This adaptor conforms to the \ref concepts::Digraph
 		  /// "Digraph" concept.
 		  ///
 		  /// The adapted digraph can also be modified through this adaptor
 		  /// by adding or removing nodes or arcs, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides only linear time counting for nodes and arcs.
 		  ///
 		  /// \tparam DGR The type of the adapted digraph.
 		  /// It must conform to the \ref concepts::Digraph "Digraph" concept.
 		  /// It can also be specified to be \c const.
 		  /// \tparam AF The type of the arc filter map.
 		  /// It must be a \c bool (or convertible) arc map of the
 		  /// adapted digraph. The default type is
 		  /// \ref concepts::Digraph::ArcMap "DGR::ArcMap<bool>".
 		  ///
 		  /// \note The \c Node and \c Arc types of this adaptor and the adapted
 		  /// digraph are convertible to each other.
 		#ifdef DOXYGEN
 		  template<typename DGR,
 		           typename AF>
 		  class FilterArcs {
 		#else
 		  template<typename DGR,
 		           typename AF = typename DGR::template ArcMap<bool> >
 		  class FilterArcs :
 		    public DigraphAdaptorExtender<
 		      SubDigraphBase<DGR, ConstMap<typename DGR::Node, Const<bool, true> >,
 		                     AF, false> > {
 		#endif
 		    typedef DigraphAdaptorExtender<
 		      SubDigraphBase<DGR, ConstMap<typename DGR::Node, Const<bool, true> >,
 		                     AF, false> > Parent;
 		  public:
 		    /// The type of the adapted digraph.
 		    typedef DGR Digraph;
 		    /// The type of the arc filter map.
 		    typedef AF ArcFilterMap;
 		    typedef typename Parent::Arc Arc;
 		  protected:
 		    ConstMap<typename DGR::Node, Const<bool, true> > const_true_map;
 		    FilterArcs() : const_true_map() {}
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Creates a subdigraph for the given digraph with the given arc
 		    /// filter map.
 		    FilterArcs(DGR& digraph, ArcFilterMap& arc_filter)
 		      : Parent(), const_true_map() {
@@ -1684,96 +1695,98 @@
 		    bool status(const Arc& a) const { return Parent::status(a); }
 		    /// \brief Disables the given arc
 		    ///
 		    /// This function disables the given arc in the subdigraph,
 		    /// so the iteration jumps over it.
 		    /// It is the same as \ref status() "status(a, false)".
 		    void disable(const Arc& a) const { Parent::status(a, false); }
 		    /// \brief Enables the given arc
 		    ///
 		    /// This function enables the given arc in the subdigraph.
 		    /// It is the same as \ref status() "status(a, true)".
 		    void enable(const Arc& a) const { Parent::status(a, true); }
 		  };
 		  /// \brief Returns a read-only FilterArcs adaptor
 		  ///
 		  /// This function just returns a read-only \ref FilterArcs adaptor.
 		  /// \ingroup graph_adaptors
 		  /// \relates FilterArcs
 		  template<typename DGR, typename AF>
 		  FilterArcs<const DGR, AF>
 		  filterArcs(const DGR& digraph, AF& arc_filter) {
 		    return FilterArcs<const DGR, AF>(digraph, arc_filter);
+		  }
 		  template<typename DGR, typename AF>
 		  FilterArcs<const DGR, const AF>
 		  filterArcs(const DGR& digraph, const AF& arc_filter) {
 		    return FilterArcs<const DGR, const AF>(digraph, arc_filter);
+		  }
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for hiding edges in a graph.
 		  ///
 		  /// FilterEdges adaptor can be used for hiding edges in a graph.
 		  /// A \c bool edge map must be specified, which defines the filter for
 		  /// the edges. Only the edges with \c true filter value are shown in the
 		  /// subgraph. This adaptor conforms to the \ref concepts::Graph
 		  /// "Graph" concept.
 		  ///
 		  /// The adapted graph can also be modified through this adaptor
 		  /// by adding or removing nodes or edges, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides only linear time counting for nodes, edges and arcs.
 		  ///
 		  /// \tparam GR The type of the adapted graph.
 		  /// It must conform to the \ref concepts::Graph "Graph" concept.
 		  /// It can also be specified to be \c const.
 		  /// \tparam EF The type of the edge filter map.
 		  /// It must be a \c bool (or convertible) edge map of the
 		  /// adapted graph. The default type is
 		  /// \ref concepts::Graph::EdgeMap "GR::EdgeMap<bool>".
 		  ///
 		  /// \note The \c Node, \c Edge and \c Arc types of this adaptor and the
 		  /// adapted graph are convertible to each other.
 		#ifdef DOXYGEN
 		  template<typename GR,
 		           typename EF>
 		  class FilterEdges {
 		#else
 		  template<typename GR,
 		           typename EF = typename GR::template EdgeMap<bool> >
 		  class FilterEdges :
 		    public GraphAdaptorExtender<
 		      SubGraphBase<GR, ConstMap<typename GR::Node, Const<bool, true> >,
 		                   EF, false> > {
 		#endif
 		    typedef GraphAdaptorExtender<
 		      SubGraphBase<GR, ConstMap<typename GR::Node, Const<bool, true > >,
 		                   EF, false> > Parent;
 		  public:
 		    /// The type of the adapted graph.
 		    typedef GR Graph;
 		    /// The type of the edge filter map.
 		    typedef EF EdgeFilterMap;
 		    typedef typename Parent::Edge Edge;
 		  protected:
 		    ConstMap<typename GR::Node, Const<bool, true> > const_true_map;
 		    FilterEdges() : const_true_map(true) {
 		      Parent::setNodeFilterMap(const_true_map);
+		    }
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Creates a subgraph for the given graph with the given edge
 		    /// filter map.
@@ -2187,96 +2200,99 @@
 		    private:
 		      EdgeMap& operator=(const EdgeMap& cmap) {
 		        return operator=<EdgeMap>(cmap);
+		      }
 		      template <typename CMap>
 		      EdgeMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		    typedef typename ItemSetTraits<DGR, Node>::ItemNotifier NodeNotifier;
 		    NodeNotifier& notifier(Node) const { return _digraph->notifier(Node()); }
 		    typedef typename ItemSetTraits<DGR, Edge>::ItemNotifier EdgeNotifier;
 		    EdgeNotifier& notifier(Edge) const { return _digraph->notifier(Edge()); }
 		    typedef EdgeNotifier ArcNotifier;
 		    ArcNotifier& notifier(Arc) const { return _digraph->notifier(Edge()); }
 		  protected:
 		    UndirectorBase() : _digraph(0) {}
 		    DGR* _digraph;
 		    void initialize(DGR& digraph) {
 		      _digraph = &digraph;
+		    }
 		  };
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for viewing a digraph as an undirected graph.
 		  ///
 		  /// Undirector adaptor can be used for viewing a digraph as an undirected
 		  /// graph. All arcs of the underlying digraph are showed in the
 		  /// adaptor as an edge (and also as a pair of arcs, of course).
 		  /// This adaptor conforms to the \ref concepts::Graph "Graph" concept.
 		  ///
 		  /// The adapted digraph can also be modified through this adaptor
 		  /// by adding or removing nodes or edges, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides item counting in the same time as the adapted
 		  /// digraph structure.
 		  ///
 		  /// \tparam DGR The type of the adapted digraph.
 		  /// It must conform to the \ref concepts::Digraph "Digraph" concept.
 		  /// It can also be specified to be \c const.
 		  ///
 		  /// \note The \c Node type of this adaptor and the adapted digraph are
 		  /// convertible to each other, moreover the \c Edge type of the adaptor
 		  /// and the \c Arc type of the adapted digraph are also convertible to
 		  /// each other.
 		  /// (Thus the \c Arc type of the adaptor is convertible to the \c Arc type
 		  /// of the adapted digraph.)
 		  template<typename DGR>
 		#ifdef DOXYGEN
 		  class Undirector {
 		#else
 		  class Undirector :
 		    public GraphAdaptorExtender<UndirectorBase<DGR> > {
 		#endif
 		    typedef GraphAdaptorExtender<UndirectorBase<DGR> > Parent;
 		  public:
 		    /// The type of the adapted digraph.
 		    typedef DGR Digraph;
 		  protected:
 		    Undirector() { }
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Creates an undirected graph from the given digraph.
 		    Undirector(DGR& digraph) {
 		      initialize(digraph);
+		    }
 		    /// \brief Arc map combined from two original arc maps
 		    ///
 		    /// This map adaptor class adapts two arc maps of the underlying
 		    /// digraph to get an arc map of the undirected graph.
 		    /// Its value type is inherited from the first arc map type (\c FW).
 		    /// \tparam FW The type of the "foward" arc map.
 		    /// \tparam BK The type of the "backward" arc map.
 		    template <typename FW, typename BK>
 		    class CombinedArcMap {
 		    public:
 		      /// The key type of the map
 		      typedef typename Parent::Arc Key;
 		      /// The value type of the map
 		      typedef typename FW::Value Value;
@@ -2490,96 +2506,99 @@
 		    public:
 		      explicit ArcMap(const OrienterBase<GR, DM>& adapter)
 		        : Parent(*adapter._graph) { }
 		      ArcMap(const OrienterBase<GR, DM>& adapter, const V& value)
 		        : Parent(*adapter._graph, value) { }
 		    private:
 		      ArcMap& operator=(const ArcMap& cmap) {
 		        return operator=<ArcMap>(cmap);
+		      }
 		      template <typename CMap>
 		      ArcMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  protected:
 		    Graph* _graph;
 		    DM* _direction;
 		    void initialize(GR& graph, DM& direction) {
 		      _graph = &graph;
 		      _direction = &direction;
+		    }
 		  };
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for orienting the edges of a graph to get a digraph
 		  ///
 		  /// Orienter adaptor can be used for orienting the edges of a graph to
 		  /// get a digraph. A \c bool edge map of the underlying graph must be
 		  /// specified, which define the direction of the arcs in the adaptor.
 		  /// The arcs can be easily reversed by the \c reverseArc() member function
 		  /// of the adaptor.
 		  /// This class conforms to the \ref concepts::Digraph "Digraph" concept.
 		  ///
 		  /// The adapted graph can also be modified through this adaptor
 		  /// by adding or removing nodes or arcs, unless the \c GR template
 		  /// parameter is set to be \c const.
 		  ///
 		  /// This class provides item counting in the same time as the adapted
 		  /// graph structure.
 		  ///
 		  /// \tparam GR The type of the adapted graph.
 		  /// It must conform to the \ref concepts::Graph "Graph" concept.
 		  /// It can also be specified to be \c const.
 		  /// \tparam DM The type of the direction map.
 		  /// It must be a \c bool (or convertible) edge map of the
 		  /// adapted graph. The default type is
 		  /// \ref concepts::Graph::EdgeMap "GR::EdgeMap<bool>".
 		  ///
 		  /// \note The \c Node type of this adaptor and the adapted graph are
 		  /// convertible to each other, moreover the \c Arc type of the adaptor
 		  /// and the \c Edge type of the adapted graph are also convertible to
 		  /// each other.
 		#ifdef DOXYGEN
 		  template<typename GR,
 		           typename DM>
 		  class Orienter {
 		#else
 		  template<typename GR,
 		           typename DM = typename GR::template EdgeMap<bool> >
 		  class Orienter :
 		    public DigraphAdaptorExtender<OrienterBase<GR, DM> > {
 		#endif
 		    typedef DigraphAdaptorExtender<OrienterBase<GR, DM> > Parent;
 		  public:
 		    /// The type of the adapted graph.
 		    typedef GR Graph;
 		    /// The type of the direction edge map.
 		    typedef DM DirectionMap;
 		    typedef typename Parent::Arc Arc;
 		  protected:
 		    Orienter() { }
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Constructor of the adaptor.
 		    Orienter(GR& graph, DM& direction) {
 		      Parent::initialize(graph, direction);
+		    }
 		    /// \brief Reverses the given arc
 		    ///
 		    /// This function reverses the given arc.
 		    /// It is done by simply negate the assigned value of \c a
@@ -2633,96 +2652,98 @@
 		    };
 		    template<typename DGR,typename CM, typename FM, typename TL>
 		    class ResBackwardFilter {
 		    public:
 		      typedef typename DGR::Arc Key;
 		      typedef bool Value;
 		    private:
 		      const CM* _capacity;
 		      const FM* _flow;
 		      TL _tolerance;
 		    public:
 		      ResBackwardFilter(const CM& capacity, const FM& flow,
 		                        const TL& tolerance = TL())
 		        : _capacity(&capacity), _flow(&flow), _tolerance(tolerance) { }
 		      bool operator[](const typename DGR::Arc& a) const {
 		        return _tolerance.positive((*_flow)[a]);
+		      }
 		    };
+		  }
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for composing the residual digraph for directed
 		  /// flow and circulation problems.
 		  ///
 		  /// ResidualDigraph can be used for composing the \e residual digraph
 		  /// for directed flow and circulation problems. Let \f$ G=(V, A) \f$
 		  /// be a directed graph and let \f$ F \f$ be a number type.
 		  /// Let \f$ flow, cap: A\to F \f$ be functions on the arcs.
 		  /// This adaptor implements a digraph structure with node set \f$ V \f$
 		  /// and arc set \f$ A_{forward}\cup A_{backward} \f$,
 		  /// where \f$ A_{forward}=\{uv : uv\in A, flow(uv)<cap(uv)\} \f$ and
 		  /// \f$ A_{backward}=\{vu : uv\in A, flow(uv)>0\} \f$, i.e. the so
 		  /// called residual digraph.
 		  /// When the union \f$ A_{forward}\cup A_{backward} \f$ is taken,
 		  /// multiplicities are counted, i.e. the adaptor has exactly
 		  /// \f$ |A_{forward}| + |A_{backward}|\f$ arcs (it may have parallel
 		  /// arcs).
 		  /// This class conforms to the \ref concepts::Digraph "Digraph" concept.
 		  ///
 		  /// This class provides only linear time counting for nodes and arcs.
 		  ///
 		  /// \tparam DGR The type of the adapted digraph.
 		  /// It must conform to the \ref concepts::Digraph "Digraph" concept.
 		  /// It is implicitly \c const.
 		  /// \tparam CM The type of the capacity map.
 		  /// It must be an arc map of some numerical type, which defines
 		  /// the capacities in the flow problem. It is implicitly \c const.
 		  /// The default type is
 		  /// \ref concepts::Digraph::ArcMap "GR::ArcMap<int>".
 		  /// \tparam FM The type of the flow map.
 		  /// It must be an arc map of some numerical type, which defines
 		  /// the flow values in the flow problem. The default type is \c CM.
 		  /// \tparam TL The tolerance type for handling inexact computation.
 		  /// The default tolerance type depends on the value type of the
 		  /// capacity map.
 		  ///
 		  /// \note This adaptor is implemented using Undirector and FilterArcs
 		  /// adaptors.
 		  ///
 		  /// \note The \c Node type of this adaptor and the adapted digraph are
 		  /// convertible to each other, moreover the \c Arc type of the adaptor
 		  /// is convertible to the \c Arc type of the adapted digraph.
 		#ifdef DOXYGEN
 		  template<typename DGR, typename CM, typename FM, typename TL>
 		  class ResidualDigraph
 		#else
 		  template<typename DGR,
 		           typename CM = typename DGR::template ArcMap<int>,
 		           typename FM = CM,
 		           typename TL = Tolerance<typename CM::Value> >
 		  class ResidualDigraph
 		    : public SubDigraph<
 		        Undirector<const DGR>,
 		        ConstMap<typename DGR::Node, Const<bool, true> >,
 		        typename Undirector<const DGR>::template CombinedArcMap<
 		          _adaptor_bits::ResForwardFilter<const DGR, CM, FM, TL>,
 		          _adaptor_bits::ResBackwardFilter<const DGR, CM, FM, TL> > >
 		#endif
+		  {
 		  public:
 		    /// The type of the underlying digraph.
 		    typedef DGR Digraph;
 		    /// The type of the capacity map.
 		    typedef CM CapacityMap;
 		    /// The type of the flow map.
 		    typedef FM FlowMap;
 		    /// The tolerance type.
 		    typedef TL Tolerance;
@@ -3280,96 +3301,99 @@
 		      ArcMap(const SplitNodesBase<DGR>& adaptor, const V& value)
 		        : Parent(adaptor, value) {}
 		    private:
 		      ArcMap& operator=(const ArcMap& cmap) {
 		        return operator=<ArcMap>(cmap);
+		      }
 		      template <typename CMap>
 		      ArcMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  protected:
 		    SplitNodesBase() : _digraph(0) {}
 		    DGR* _digraph;
 		    void initialize(Digraph& digraph) {
 		      _digraph = &digraph;
+		    }
 		  };
 		  /// \ingroup graph_adaptors
 		  ///
 		  /// \brief Adaptor class for splitting the nodes of a digraph.
 		  ///
 		  /// SplitNodes adaptor can be used for splitting each node into an
 		  /// \e in-node and an \e out-node in a digraph. Formaly, the adaptor
 		  /// replaces each node \f$ u \f$ in the digraph with two nodes,
 		  /// namely node \f$ u_{in} \f$ and node \f$ u_{out} \f$.
 		  /// If there is a \f$ (v, u) \f$ arc in the original digraph, then the
 		  /// new target of the arc will be \f$ u_{in} \f$ and similarly the
 		  /// source of each original \f$ (u, v) \f$ arc will be \f$ u_{out} \f$.
 		  /// The adaptor adds an additional \e bind \e arc from \f$ u_{in} \f$
 		  /// to \f$ u_{out} \f$ for each node \f$ u \f$ of the original digraph.
 		  ///
 		  /// The aim of this class is running an algorithm with respect to node
 		  /// costs or capacities if the algorithm considers only arc costs or
 		  /// capacities directly.
 		  /// In this case you can use \c SplitNodes adaptor, and set the node
 		  /// costs/capacities of the original digraph to the \e bind \e arcs
 		  /// in the adaptor.
 		  ///
 		  /// This class provides item counting in the same time as the adapted
 		  /// digraph structure.
 		  ///
 		  /// \tparam DGR The type of the adapted digraph.
 		  /// It must conform to the \ref concepts::Digraph "Digraph" concept.
 		  /// It is implicitly \c const.
 		  ///
 		  /// \note The \c Node type of this adaptor is converible to the \c Node
 		  /// type of the adapted digraph.
 		  template <typename DGR>
 		#ifdef DOXYGEN
 		  class SplitNodes {
 		#else
 		  class SplitNodes
 		    : public DigraphAdaptorExtender<SplitNodesBase<const DGR> > {
 		#endif
 		    typedef DigraphAdaptorExtender<SplitNodesBase<const DGR> > Parent;
 		  public:
 		    typedef DGR Digraph;
 		    typedef typename DGR::Node DigraphNode;
 		    typedef typename DGR::Arc DigraphArc;
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Arc Arc;
 		    /// \brief Constructor
 		    ///
 		    /// Constructor of the adaptor.
 		    SplitNodes(const DGR& g) {
 		      Parent::initialize(g);
+		    }
 		    /// \brief Returns \c true if the given node is an in-node.
 		    ///
 		    /// Returns \c true if the given node is an in-node.
 		    static bool inNode(const Node& n) {
 		      return Parent::inNode(n);
+		    }
 		    /// \brief Returns \c true if the given node is an out-node.
 		    ///
 		    /// Returns \c true if the given node is an out-node.
 		    static bool outNode(const Node& n) {
 		      return Parent::outNode(n);
+		    }
 		    /// \brief Returns \c true if the given arc is an original arc.
 		    ///
 		    /// Returns \c true if the given arc is one of the arcs in the

lemon/bfs.h

Show inline comments

@@ -656,102 +656,98 @@
 		      return rnode;
+		    }
 		    ///Runs the algorithm from the given source node.
 		    ///This method runs the %BFS algorithm from node \c s
 		    ///in order to compute the shortest path to each node.
 		    ///
 		    ///The algorithm computes
 		    ///- the shortest path tree,
 		    ///- the distance of each node from the root.
 		    ///
 		    ///\note <tt>b.run(s)</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///  b.init();
 		    ///  b.addSource(s);
 		    ///  b.start();
 		    ///\endcode
 		    void run(Node s) {
 		      init();
 		      addSource(s);
 		      start();
+		    }
 		    ///Finds the shortest path between \c s and \c t.
 		    ///This method runs the %BFS algorithm from node \c s
 		    ///in order to compute the shortest path to node \c t
 		    ///(it stops searching when \c t is processed).
 		    ///
 		    ///\return \c true if \c t is reachable form \c s.
 		    ///
 		    ///\note Apart from the return value, <tt>b.run(s,t)</tt> is just a
 		    ///shortcut of the following code.
 		    ///\code
 		    ///  b.init();
 		    ///  b.addSource(s);
 		    ///  b.start(t);
 		    ///\endcode
 		    bool run(Node s,Node t) {
 		      init();
 		      addSource(s);
 		      start(t);
 		      return reached(t);
+		    }
 		    ///Runs the algorithm to visit all nodes in the digraph.
 		    ///This method runs the %BFS algorithm in order to
 		    ///compute the shortest path to each node.
 		    ///
 		    ///The algorithm computes
 		    ///- the shortest path tree (forest),
 		    ///- the distance of each node from the root(s).
 		    ///This method runs the %BFS algorithm in order to visit all nodes
 		    ///in the digraph.
 		    ///
 		    ///\note <tt>b.run(s)</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///  b.init();
 		    ///  for (NodeIt n(gr); n != INVALID; ++n) {
 		    ///    if (!b.reached(n)) {
 		    ///      b.addSource(n);
 		    ///      b.start();
 		    ///    }
 		    ///  }
 		    ///\endcode
 		    void run() {
 		      init();
 		      for (NodeIt n(*G); n != INVALID; ++n) {
 		        if (!reached(n)) {
 		          addSource(n);
 		          start();
+		        }
+		      }
+		    }
 		    ///@}
 		    ///\name Query Functions
 		    ///The results of the BFS algorithm can be obtained using these
 		    ///functions.\n
 		    ///Either \ref run(Node) "run()" or \ref start() should be called
 		    ///before using them.
 		    ///@{
 		    ///The shortest path to the given node.
 		    ///Returns the shortest path to the given node from the root(s).
 		    ///
 		    ///\warning \c t should be reached from the root(s).
 		    ///
 		    ///\pre Either \ref run(Node) "run()" or \ref init()
 		    ///must be called before using this function.
 		    Path path(Node t) const { return Path(*G, *_pred, t); }
 		    ///The distance of the given node from the root(s).
 		    ///Returns the distance of the given node from the root(s).
 		    ///
 		    ///\warning If node \c v is not reached from the root(s), then
 		    ///the return value of this function is undefined.
 		    ///
@@ -1001,98 +997,98 @@
 		    ///This method runs BFS algorithm from node \c s
 		    ///in order to compute the shortest path to each node.
 		    void run(Node s)
+		    {
 		      Bfs<Digraph,TR> alg(*reinterpret_cast<const Digraph*>(Base::_g));
 		      if (Base::_pred)
 		        alg.predMap(*reinterpret_cast<PredMap*>(Base::_pred));
 		      if (Base::_dist)
 		        alg.distMap(*reinterpret_cast<DistMap*>(Base::_dist));
 		      if (Base::_reached)
 		        alg.reachedMap(*reinterpret_cast<ReachedMap*>(Base::_reached));
 		      if (Base::_processed)
 		        alg.processedMap(*reinterpret_cast<ProcessedMap*>(Base::_processed));
 		      if (s!=INVALID)
 		        alg.run(s);
 		      else
 		        alg.run();
+		    }
 		    ///Finds the shortest path between \c s and \c t.
 		    ///This method runs BFS algorithm from node \c s
 		    ///in order to compute the shortest path to node \c t
 		    ///(it stops searching when \c t is processed).
 		    ///
 		    ///\return \c true if \c t is reachable form \c s.
 		    bool run(Node s, Node t)
+		    {
 		      Bfs<Digraph,TR> alg(*reinterpret_cast<const Digraph*>(Base::_g));
 		      if (Base::_pred)
 		        alg.predMap(*reinterpret_cast<PredMap*>(Base::_pred));
 		      if (Base::_dist)
 		        alg.distMap(*reinterpret_cast<DistMap*>(Base::_dist));
 		      if (Base::_reached)
 		        alg.reachedMap(*reinterpret_cast<ReachedMap*>(Base::_reached));
 		      if (Base::_processed)
 		        alg.processedMap(*reinterpret_cast<ProcessedMap*>(Base::_processed));
 		      alg.run(s,t);
 		      if (Base::_path)
 		        *reinterpret_cast<Path*>(Base::_path) = alg.path(t);
 		      if (Base::_di)
 		        *Base::_di = alg.dist(t);
 		      return alg.reached(t);
+		    }
 		    ///Runs BFS algorithm to visit all nodes in the digraph.
 		    ///This method runs BFS algorithm in order to compute
 		    ///the shortest path to each node.
 		    ///This method runs BFS algorithm in order to visit all nodes
 		    ///in the digraph.
 		    void run()
+		    {
 		      run(INVALID);
+		    }
 		    template<class T>
 		    struct SetPredMapBase : public Base {
 		      typedef T PredMap;
 		      static PredMap *createPredMap(const Digraph &) { return 0; };
 		      SetPredMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter" for setting
 		    ///the predecessor map.
 		    ///
 		    ///\ref named-templ-param "Named parameter" function for setting
 		    ///the map that stores the predecessor arcs of the nodes.
 		    template<class T>
 		    BfsWizard<SetPredMapBase<T> > predMap(const T &t)
+		    {
 		      Base::_pred=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return BfsWizard<SetPredMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetReachedMapBase : public Base {
 		      typedef T ReachedMap;
 		      static ReachedMap *createReachedMap(const Digraph &) { return 0; };
 		      SetReachedMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter" for setting
 		    ///the reached map.
 		    ///
 		    ///\ref named-templ-param "Named parameter" function for setting
 		    ///the map that indicates which nodes are reached.
 		    template<class T>
 		    BfsWizard<SetReachedMapBase<T> > reachedMap(const T &t)
+		    {
 		      Base::_reached=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return BfsWizard<SetReachedMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetDistMapBase : public Base {
 		      typedef T DistMap;
 		      static DistMap *createDistMap(const Digraph &) { return 0; };
 		      SetDistMapBase(const TR &b) : TR(b) {}
@@ -1650,100 +1646,96 @@
 		      return rnode;
+		    }
 		    /// \brief Runs the algorithm from the given source node.
 		    ///
 		    /// This method runs the %BFS algorithm from node \c s
 		    /// in order to compute the shortest path to each node.
 		    ///
 		    /// The algorithm computes
 		    /// - the shortest path tree,
 		    /// - the distance of each node from the root.
 		    ///
 		    /// \note <tt>b.run(s)</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///   b.init();
 		    ///   b.addSource(s);
 		    ///   b.start();
 		    ///\endcode
 		    void run(Node s) {
 		      init();
 		      addSource(s);
 		      start();
+		    }
 		    /// \brief Finds the shortest path between \c s and \c t.
 		    ///
 		    /// This method runs the %BFS algorithm from node \c s
 		    /// in order to compute the shortest path to node \c t
 		    /// (it stops searching when \c t is processed).
 		    ///
 		    /// \return \c true if \c t is reachable form \c s.
 		    ///
 		    /// \note Apart from the return value, <tt>b.run(s,t)</tt> is just a
 		    /// shortcut of the following code.
 		    ///\code
 		    ///   b.init();
 		    ///   b.addSource(s);
 		    ///   b.start(t);
 		    ///\endcode
 		    bool run(Node s,Node t) {
 		      init();
 		      addSource(s);
 		      start(t);
 		      return reached(t);
+		    }
 		    /// \brief Runs the algorithm to visit all nodes in the digraph.
 		    ///
 		    /// This method runs the %BFS algorithm in order to
 		    /// compute the shortest path to each node.
 		    ///
 		    /// The algorithm computes
 		    /// - the shortest path tree (forest),
 		    /// - the distance of each node from the root(s).
 		    /// This method runs the %BFS algorithm in order to visit all nodes
 		    /// in the digraph.
 		    ///
 		    /// \note <tt>b.run(s)</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///  b.init();
 		    ///  for (NodeIt n(gr); n != INVALID; ++n) {
 		    ///    if (!b.reached(n)) {
 		    ///      b.addSource(n);
 		    ///      b.start();
 		    ///    }
 		    ///  }
 		    ///\endcode
 		    void run() {
 		      init();
 		      for (NodeIt it(*_digraph); it != INVALID; ++it) {
 		        if (!reached(it)) {
 		          addSource(it);
 		          start();
+		        }
+		      }
+		    }
 		    ///@}
 		    /// \name Query Functions
 		    /// The results of the BFS algorithm can be obtained using these
 		    /// functions.\n
 		    /// Either \ref run(Node) "run()" or \ref start() should be called
 		    /// before using them.
 		    ///@{
 		    /// \brief Checks if the given node is reached from the root(s).
 		    ///
 		    /// Returns \c true if \c v is reached from the root(s).
 		    ///
 		    /// \pre Either \ref run(Node) "run()" or \ref init()
 		    /// must be called before using this function.
 		    bool reached(Node v) const { return (*_reached)[v]; }
 		    ///@}
 		  };
 		} //END OF NAMESPACE LEMON
 		#endif

lemon/dfs.h

Show inline comments

@@ -588,102 +588,98 @@
 		      return emptyQueue() ? INVALID : _stack[_stack_head];
+		    }
 		    ///Runs the algorithm from the given source node.
 		    ///This method runs the %DFS algorithm from node \c s
 		    ///in order to compute the DFS path to each node.
 		    ///
 		    ///The algorithm computes
 		    ///- the %DFS tree,
 		    ///- the distance of each node from the root in the %DFS tree.
 		    ///
 		    ///\note <tt>d.run(s)</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///  d.init();
 		    ///  d.addSource(s);
 		    ///  d.start();
 		    ///\endcode
 		    void run(Node s) {
 		      init();
 		      addSource(s);
 		      start();
+		    }
 		    ///Finds the %DFS path between \c s and \c t.
 		    ///This method runs the %DFS algorithm from node \c s
 		    ///in order to compute the DFS path to node \c t
 		    ///(it stops searching when \c t is processed)
 		    ///
 		    ///\return \c true if \c t is reachable form \c s.
 		    ///
 		    ///\note Apart from the return value, <tt>d.run(s,t)</tt> is
 		    ///just a shortcut of the following code.
 		    ///\code
 		    ///  d.init();
 		    ///  d.addSource(s);
 		    ///  d.start(t);
 		    ///\endcode
 		    bool run(Node s,Node t) {
 		      init();
 		      addSource(s);
 		      start(t);
 		      return reached(t);
+		    }
 		    ///Runs the algorithm to visit all nodes in the digraph.
 		    ///This method runs the %DFS algorithm in order to compute the
 		    ///%DFS path to each node.
 		    ///
 		    ///The algorithm computes
 		    ///- the %DFS tree (forest),
 		    ///- the distance of each node from the root(s) in the %DFS tree.
 		    ///This method runs the %DFS algorithm in order to visit all nodes
 		    ///in the digraph.
 		    ///
 		    ///\note <tt>d.run()</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///  d.init();
 		    ///  for (NodeIt n(digraph); n != INVALID; ++n) {
 		    ///    if (!d.reached(n)) {
 		    ///      d.addSource(n);
 		    ///      d.start();
 		    ///    }
 		    ///  }
 		    ///\endcode
 		    void run() {
 		      init();
 		      for (NodeIt it(*G); it != INVALID; ++it) {
 		        if (!reached(it)) {
 		          addSource(it);
 		          start();
+		        }
+		      }
+		    }
 		    ///@}
 		    ///\name Query Functions
 		    ///The results of the DFS algorithm can be obtained using these
 		    ///functions.\n
 		    ///Either \ref run(Node) "run()" or \ref start() should be called
 		    ///before using them.
 		    ///@{
 		    ///The DFS path to the given node.
 		    ///Returns the DFS path to the given node from the root(s).
 		    ///
 		    ///\warning \c t should be reached from the root(s).
 		    ///
 		    ///\pre Either \ref run(Node) "run()" or \ref init()
 		    ///must be called before using this function.
 		    Path path(Node t) const { return Path(*G, *_pred, t); }
 		    ///The distance of the given node from the root(s).
 		    ///Returns the distance of the given node from the root(s).
 		    ///
 		    ///\warning If node \c v is not reached from the root(s), then
 		    ///the return value of this function is undefined.
 		    ///
@@ -931,98 +927,98 @@
 		    ///This method runs DFS algorithm from node \c s
 		    ///in order to compute the DFS path to each node.
 		    void run(Node s)
+		    {
 		      Dfs<Digraph,TR> alg(*reinterpret_cast<const Digraph*>(Base::_g));
 		      if (Base::_pred)
 		        alg.predMap(*reinterpret_cast<PredMap*>(Base::_pred));
 		      if (Base::_dist)
 		        alg.distMap(*reinterpret_cast<DistMap*>(Base::_dist));
 		      if (Base::_reached)
 		        alg.reachedMap(*reinterpret_cast<ReachedMap*>(Base::_reached));
 		      if (Base::_processed)
 		        alg.processedMap(*reinterpret_cast<ProcessedMap*>(Base::_processed));
 		      if (s!=INVALID)
 		        alg.run(s);
 		      else
 		        alg.run();
+		    }
 		    ///Finds the DFS path between \c s and \c t.
 		    ///This method runs DFS algorithm from node \c s
 		    ///in order to compute the DFS path to node \c t
 		    ///(it stops searching when \c t is processed).
 		    ///
 		    ///\return \c true if \c t is reachable form \c s.
 		    bool run(Node s, Node t)
+		    {
 		      Dfs<Digraph,TR> alg(*reinterpret_cast<const Digraph*>(Base::_g));
 		      if (Base::_pred)
 		        alg.predMap(*reinterpret_cast<PredMap*>(Base::_pred));
 		      if (Base::_dist)
 		        alg.distMap(*reinterpret_cast<DistMap*>(Base::_dist));
 		      if (Base::_reached)
 		        alg.reachedMap(*reinterpret_cast<ReachedMap*>(Base::_reached));
 		      if (Base::_processed)
 		        alg.processedMap(*reinterpret_cast<ProcessedMap*>(Base::_processed));
 		      alg.run(s,t);
 		      if (Base::_path)
 		        *reinterpret_cast<Path*>(Base::_path) = alg.path(t);
 		      if (Base::_di)
 		        *Base::_di = alg.dist(t);
 		      return alg.reached(t);
+		      }
 		    ///Runs DFS algorithm to visit all nodes in the digraph.
 		    ///This method runs DFS algorithm in order to compute
 		    ///the DFS path to each node.
 		    ///This method runs DFS algorithm in order to visit all nodes
 		    ///in the digraph.
 		    void run()
+		    {
 		      run(INVALID);
+		    }
 		    template<class T>
 		    struct SetPredMapBase : public Base {
 		      typedef T PredMap;
 		      static PredMap *createPredMap(const Digraph &) { return 0; };
 		      SetPredMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter" for setting
 		    ///the predecessor map.
 		    ///
 		    ///\ref named-templ-param "Named parameter" function for setting
 		    ///the map that stores the predecessor arcs of the nodes.
 		    template<class T>
 		    DfsWizard<SetPredMapBase<T> > predMap(const T &t)
+		    {
 		      Base::_pred=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DfsWizard<SetPredMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetReachedMapBase : public Base {
 		      typedef T ReachedMap;
 		      static ReachedMap *createReachedMap(const Digraph &) { return 0; };
 		      SetReachedMapBase(const TR &b) : TR(b) {}
 		    };
 		    ///\brief \ref named-templ-param "Named parameter" for setting
 		    ///the reached map.
 		    ///
 		    ///\ref named-templ-param "Named parameter" function for setting
 		    ///the map that indicates which nodes are reached.
 		    template<class T>
 		    DfsWizard<SetReachedMapBase<T> > reachedMap(const T &t)
+		    {
 		      Base::_reached=reinterpret_cast<void*>(const_cast<T*>(&t));
 		      return DfsWizard<SetReachedMapBase<T> >(*this);
+		    }
 		    template<class T>
 		    struct SetDistMapBase : public Base {
 		      typedef T DistMap;
 		      static DistMap *createDistMap(const Digraph &) { return 0; };
 		      SetDistMapBase(const TR &b) : TR(b) {}
@@ -1533,100 +1529,96 @@
 		      return emptyQueue() ? INVALID : _stack[_stack_head];
+		    }
 		    /// \brief Runs the algorithm from the given source node.
 		    ///
 		    /// This method runs the %DFS algorithm from node \c s.
 		    /// in order to compute the DFS path to each node.
 		    ///
 		    /// The algorithm computes
 		    /// - the %DFS tree,
 		    /// - the distance of each node from the root in the %DFS tree.
 		    ///
 		    /// \note <tt>d.run(s)</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///   d.init();
 		    ///   d.addSource(s);
 		    ///   d.start();
 		    ///\endcode
 		    void run(Node s) {
 		      init();
 		      addSource(s);
 		      start();
+		    }
 		    /// \brief Finds the %DFS path between \c s and \c t.
 		    /// This method runs the %DFS algorithm from node \c s
 		    /// in order to compute the DFS path to node \c t
 		    /// (it stops searching when \c t is processed).
 		    ///
 		    /// \return \c true if \c t is reachable form \c s.
 		    ///
 		    /// \note Apart from the return value, <tt>d.run(s,t)</tt> is
 		    /// just a shortcut of the following code.
 		    ///\code
 		    ///   d.init();
 		    ///   d.addSource(s);
 		    ///   d.start(t);
 		    ///\endcode
 		    bool run(Node s,Node t) {
 		      init();
 		      addSource(s);
 		      start(t);
 		      return reached(t);
+		    }
 		    /// \brief Runs the algorithm to visit all nodes in the digraph.
 		    /// This method runs the %DFS algorithm in order to
 		    /// compute the %DFS path to each node.
 		    ///
 		    /// The algorithm computes
 		    /// - the %DFS tree (forest),
 		    /// - the distance of each node from the root(s) in the %DFS tree.
 		    /// This method runs the %DFS algorithm in order to visit all nodes
 		    /// in the digraph.
 		    ///
 		    /// \note <tt>d.run()</tt> is just a shortcut of the following code.
 		    ///\code
 		    ///   d.init();
 		    ///   for (NodeIt n(digraph); n != INVALID; ++n) {
 		    ///     if (!d.reached(n)) {
 		    ///       d.addSource(n);
 		    ///       d.start();
 		    ///     }
 		    ///   }
 		    ///\endcode
 		    void run() {
 		      init();
 		      for (NodeIt it(*_digraph); it != INVALID; ++it) {
 		        if (!reached(it)) {
 		          addSource(it);
 		          start();
+		        }
+		      }
+		    }
 		    ///@}
 		    /// \name Query Functions
 		    /// The results of the DFS algorithm can be obtained using these
 		    /// functions.\n
 		    /// Either \ref run(Node) "run()" or \ref start() should be called
 		    /// before using them.
 		    ///@{
 		    /// \brief Checks if the given node is reached from the root(s).
 		    ///
 		    /// Returns \c true if \c v is reached from the root(s).
 		    ///
 		    /// \pre Either \ref run(Node) "run()" or \ref init()
 		    /// must be called before using this function.
 		    bool reached(Node v) const { return (*_reached)[v]; }
 		    ///@}
 		  };
 		} //END OF NAMESPACE LEMON
 		#endif

lemon/dijkstra.h

Show inline comments

@@ -161,97 +161,97 @@
 		    static DistMap *createDistMap(const Digraph &g)
+		    {
 		      return new DistMap(g);
+		    }
 		  };
 		  ///%Dijkstra algorithm class.
 		  /// \ingroup shortest_path
 		  ///This class provides an efficient implementation of the %Dijkstra algorithm.
 		  ///
 		  ///The %Dijkstra algorithm solves the single-source shortest path problem
 		  ///when all arc lengths are non-negative. If there are negative lengths,
 		  ///the BellmanFord algorithm should be used instead.
 		  ///
 		  ///The arc lengths are passed to the algorithm using a
 		  ///\ref concepts::ReadMap "ReadMap",
 		  ///so it is easy to change it to any kind of length.
 		  ///The type of the length is determined by the
 		  ///\ref concepts::ReadMap::Value "Value" of the length map.
 		  ///It is also possible to change the underlying priority heap.
 		  ///
 		  ///There is also a \ref dijkstra() "function-type interface" for the
 		  ///%Dijkstra algorithm, which is convenient in the simplier cases and
 		  ///it can be used easier.
 		  ///
 		  ///\tparam GR The type of the digraph the algorithm runs on.
 		  ///The default type is \ref ListDigraph.
 		  ///\tparam LEN A \ref concepts::ReadMap "readable" arc map that specifies
 		  ///the lengths of the arcs.
 		  ///It is read once for each arc, so the map may involve in
 		  ///relatively time consuming process to compute the arc lengths if
 		  ///it is necessary. The default map type is \ref
 		  ///concepts::Digraph::ArcMap "GR::ArcMap<int>".
 		#ifdef DOXYGEN
 		  template <typename GR, typename LEN, typename TR>
 		#else
 		  template <typename GR=ListDigraph,
 		            typename LEN=typename GR::template ArcMap<int>,
 		            typename TR=DijkstraDefaultTraits<GR,LEN> >
 		#endif
 		  class Dijkstra {
 		  public:
 		    ///The type of the digraph the algorithm runs on.
 		    typedef typename TR::Digraph Digraph;
 		    ///The type of the arc lengths.
-		    typedef typename TR::LengthMap::Value Value;
 		    typedef typename TR::Value Value;
 		    ///The type of the map that stores the arc lengths.
 		    typedef typename TR::LengthMap LengthMap;
 		    ///\brief The type of the map that stores the predecessor arcs of the
 		    ///shortest paths.
 		    typedef typename TR::PredMap PredMap;
 		    ///The type of the map that stores the distances of the nodes.
 		    typedef typename TR::DistMap DistMap;
 		    ///The type of the map that indicates which nodes are processed.
 		    typedef typename TR::ProcessedMap ProcessedMap;
 		    ///The type of the paths.
 		    typedef PredMapPath<Digraph, PredMap> Path;
 		    ///The cross reference type used for the current heap.
 		    typedef typename TR::HeapCrossRef HeapCrossRef;
 		    ///The heap type used by the algorithm.
 		    typedef typename TR::Heap Heap;
 		    ///\brief The \ref DijkstraDefaultOperationTraits "operation traits class"
 		    ///of the algorithm.
 		    typedef typename TR::OperationTraits OperationTraits;
 		    ///The \ref DijkstraDefaultTraits "traits class" of the algorithm.
 		    typedef TR Traits;
 		  private:
 		    typedef typename Digraph::Node Node;
 		    typedef typename Digraph::NodeIt NodeIt;
 		    typedef typename Digraph::Arc Arc;
 		    typedef typename Digraph::OutArcIt OutArcIt;
 		    //Pointer to the underlying digraph.
 		    const Digraph *G;
 		    //Pointer to the length map.
 		    const LengthMap *_length;
 		    //Pointer to the map of predecessors arcs.
 		    PredMap *_pred;
 		    //Indicates if _pred is locally allocated (true) or not.
 		    bool local_pred;
 		    //Pointer to the map of distances.
 		    DistMap *_dist;
 		    //Indicates if _dist is locally allocated (true) or not.
 		    bool local_dist;
 		    //Pointer to the map of processed status of the nodes.
 		    ProcessedMap *_processed;
 		    //Indicates if _processed is locally allocated (true) or not.
 		    bool local_processed;
 		    //Pointer to the heap cross references.
 		    HeapCrossRef *_heap_cross_ref;
 		    //Indicates if _heap_cross_ref is locally allocated (true) or not.

lemon/edge_set.h

Show inline comments

@@ -210,103 +210,104 @@
 		    NodeNotifier& notifier(Node) const {
 		      return _graph->notifier(Node());
+		    }
 		    template <typename V>
 		    class NodeMap : public GR::template NodeMap<V> {
 		      typedef typename GR::template NodeMap<V> Parent;
 		    public:
 		      explicit NodeMap(const ListArcSetBase<GR>& arcset)
 		        : Parent(*arcset._graph) {}
 		      NodeMap(const ListArcSetBase<GR>& arcset, const V& value)
 		        : Parent(*arcset._graph, value) {}
 		      NodeMap& operator=(const NodeMap& cmap) {
 		        return operator=<NodeMap>(cmap);
+		      }
 		      template <typename CMap>
 		      NodeMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  };
 		  /// \ingroup graphs
 		  ///
 		  /// \brief Digraph using a node set of another digraph or graph and
 		  /// an own arc set.
 		  ///
 		  /// This structure can be used to establish another directed graph
 		  /// over a node set of an existing one. This class uses the same
 		  /// Node type as the underlying graph, and each valid node of the
 		  /// original graph is valid in this arc set, therefore the node
 		  /// objects of the original graph can be used directly with this
 		  /// class. The node handling functions (id handling, observing, and
 		  /// iterators) works equivalently as in the original graph.
 		  ///
 		  /// This implementation is based on doubly-linked lists, from each
 		  /// node the outgoing and the incoming arcs make up lists, therefore
 		  /// one arc can be erased in constant time. It also makes possible,
 		  /// that node can be removed from the underlying graph, in this case
 		  /// all arcs incident to the given node is erased from the arc set.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Digraph
 		  /// "Digraph" concept.
 		  /// It provides only linear time counting for nodes and arcs.
 		  ///
 		  /// \param GR The type of the graph which shares its node set with
 		  /// this class. Its interface must conform to the
 		  /// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph"
 		  /// concept.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Digraph
 		  /// "Digraph" concept.
 		  template <typename GR>
 		  class ListArcSet : public ArcSetExtender<ListArcSetBase<GR> > {
 		    typedef ArcSetExtender<ListArcSetBase<GR> > Parent;
 		  public:
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Arc Arc;
 		    typedef typename Parent::NodesImplBase NodesImplBase;
 		    void eraseNode(const Node& node) {
 		      Arc arc;
 		      Parent::firstOut(arc, node);
 		      while (arc != INVALID ) {
 		        erase(arc);
 		        Parent::firstOut(arc, node);
+		      }
 		      Parent::firstIn(arc, node);
 		      while (arc != INVALID ) {
 		        erase(arc);
 		        Parent::firstIn(arc, node);
+		      }
+		    }
 		    void clearNodes() {
 		      Parent::clear();
+		    }
 		    class NodesImpl : public NodesImplBase {
 		      typedef NodesImplBase Parent;
 		    public:
 		      NodesImpl(const GR& graph, ListArcSet& arcset)
 		        : Parent(graph), _arcset(arcset) {}
 		      virtual ~NodesImpl() {}
 		    protected:
 		      virtual void erase(const Node& node) {
 		        _arcset.eraseNode(node);
 		        Parent::erase(node);
+		      }
 		      virtual void erase(const std::vector<Node>& nodes) {
 		        for (int i = 0; i < int(nodes.size()); ++i) {
 		          _arcset.eraseNode(nodes[i]);
@@ -640,103 +641,104 @@
 		    NodeNotifier& notifier(Node) const {
 		      return _graph->notifier(Node());
+		    }
 		    template <typename V>
 		    class NodeMap : public GR::template NodeMap<V> {
 		      typedef typename GR::template NodeMap<V> Parent;
 		    public:
 		      explicit NodeMap(const ListEdgeSetBase<GR>& arcset)
 		        : Parent(*arcset._graph) {}
 		      NodeMap(const ListEdgeSetBase<GR>& arcset, const V& value)
 		        : Parent(*arcset._graph, value) {}
 		      NodeMap& operator=(const NodeMap& cmap) {
 		        return operator=<NodeMap>(cmap);
+		      }
 		      template <typename CMap>
 		      NodeMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  };
 		  /// \ingroup graphs
 		  ///
 		  /// \brief Graph using a node set of another digraph or graph and an
 		  /// own edge set.
 		  ///
 		  /// This structure can be used to establish another graph over a
 		  /// node set of an existing one. This class uses the same Node type
 		  /// as the underlying graph, and each valid node of the original
 		  /// graph is valid in this arc set, therefore the node objects of
 		  /// the original graph can be used directly with this class. The
 		  /// node handling functions (id handling, observing, and iterators)
 		  /// works equivalently as in the original graph.
 		  ///
 		  /// This implementation is based on doubly-linked lists, from each
 		  /// node the incident edges make up lists, therefore one edge can be
 		  /// erased in constant time. It also makes possible, that node can
 		  /// be removed from the underlying graph, in this case all edges
 		  /// incident to the given node is erased from the arc set.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Graph "Graph"
 		  /// concept.
 		  /// It provides only linear time counting for nodes, edges and arcs.
 		  ///
 		  /// \param GR The type of the graph which shares its node set
 		  /// with this class. Its interface must conform to the
 		  /// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph"
 		  /// concept.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Graph "Graph"
 		  /// concept.
 		  template <typename GR>
 		  class ListEdgeSet : public EdgeSetExtender<ListEdgeSetBase<GR> > {
 		    typedef EdgeSetExtender<ListEdgeSetBase<GR> > Parent;
 		  public:
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Arc Arc;
 		    typedef typename Parent::Edge Edge;
 		    typedef typename Parent::NodesImplBase NodesImplBase;
 		    void eraseNode(const Node& node) {
 		      Arc arc;
 		      Parent::firstOut(arc, node);
 		      while (arc != INVALID ) {
 		        erase(arc);
 		        Parent::firstOut(arc, node);
+		      }
+		    }
 		    void clearNodes() {
 		      Parent::clear();
+		    }
 		    class NodesImpl : public NodesImplBase {
 		      typedef NodesImplBase Parent;
 		    public:
 		      NodesImpl(const GR& graph, ListEdgeSet& arcset)
 		        : Parent(graph), _arcset(arcset) {}
 		      virtual ~NodesImpl() {}
 		    protected:
 		      virtual void erase(const Node& node) {
 		        _arcset.eraseNode(node);
 		        Parent::erase(node);
+		      }
 		      virtual void erase(const std::vector<Node>& nodes) {
 		        for (int i = 0; i < int(nodes.size()); ++i) {
 		          _arcset.eraseNode(nodes[i]);
+		        }
 		        Parent::erase(nodes);
+		      }
 		      virtual void clear() {
@@ -909,103 +911,104 @@
 		    class NodeMap : public GR::template NodeMap<V> {
 		      typedef typename GR::template NodeMap<V> Parent;
 		    public:
 		      explicit NodeMap(const SmartArcSetBase<GR>& arcset)
 		        : Parent(*arcset._graph) { }
 		      NodeMap(const SmartArcSetBase<GR>& arcset, const V& value)
 		        : Parent(*arcset._graph, value) { }
 		      NodeMap& operator=(const NodeMap& cmap) {
 		        return operator=<NodeMap>(cmap);
+		      }
 		      template <typename CMap>
 		      NodeMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  };
 		  /// \ingroup graphs
 		  ///
 		  /// \brief Digraph using a node set of another digraph or graph and
 		  /// an own arc set.
 		  ///
 		  /// This structure can be used to establish another directed graph
 		  /// over a node set of an existing one. This class uses the same
 		  /// Node type as the underlying graph, and each valid node of the
 		  /// original graph is valid in this arc set, therefore the node
 		  /// objects of the original graph can be used directly with this
 		  /// class. The node handling functions (id handling, observing, and
 		  /// iterators) works equivalently as in the original graph.
 		  ///
 		  /// \param GR The type of the graph which shares its node set with
 		  /// this class. Its interface must conform to the
 		  /// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph"
 		  /// concept.
 		  ///
 		  /// This implementation is slightly faster than the \c ListArcSet,
 		  /// because it uses continuous storage for arcs and it uses just
 		  /// single-linked lists for enumerate outgoing and incoming
 		  /// arcs. Therefore the arcs cannot be erased from the arc sets.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Digraph "Digraph"
 		  /// concept.
 		  /// It provides only linear time counting for nodes and arcs.
 		  ///
 		  /// \warning If a node is erased from the underlying graph and this
 		  /// node is the source or target of one arc in the arc set, then
 		  /// the arc set is invalidated, and it cannot be used anymore. The
 		  /// validity can be checked with the \c valid() member function.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Digraph
 		  /// "Digraph" concept.
 		  template <typename GR>
 		  class SmartArcSet : public ArcSetExtender<SmartArcSetBase<GR> > {
 		    typedef ArcSetExtender<SmartArcSetBase<GR> > Parent;
 		  public:
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Arc Arc;
 		  protected:
 		    typedef typename Parent::NodesImplBase NodesImplBase;
 		    void eraseNode(const Node& node) {
 		      if (typename Parent::InArcIt(*this, node) == INVALID &&
 		          typename Parent::OutArcIt(*this, node) == INVALID) {
 		        return;
+		      }
 		      throw typename NodesImplBase::Notifier::ImmediateDetach();
+		    }
 		    void clearNodes() {
 		      Parent::clear();
+		    }
 		    class NodesImpl : public NodesImplBase {
 		      typedef NodesImplBase Parent;
 		    public:
 		      NodesImpl(const GR& graph, SmartArcSet& arcset)
 		        : Parent(graph), _arcset(arcset) {}
 		      virtual ~NodesImpl() {}
 		      bool attached() const {
 		        return Parent::attached();
+		      }
 		    protected:
 		      virtual void erase(const Node& node) {
 		        try {
 		          _arcset.eraseNode(node);
 		          Parent::erase(node);
 		        } catch (const typename NodesImplBase::Notifier::ImmediateDetach&) {
 		          Parent::clear();
 		          throw;
+		        }
@@ -1259,103 +1262,104 @@
 		    template <typename V>
 		    class NodeMap : public GR::template NodeMap<V> {
 		      typedef typename GR::template NodeMap<V> Parent;
 		    public:
 		      explicit NodeMap(const SmartEdgeSetBase<GR>& arcset)
 		        : Parent(*arcset._graph) { }
 		      NodeMap(const SmartEdgeSetBase<GR>& arcset, const V& value)
 		        : Parent(*arcset._graph, value) { }
 		      NodeMap& operator=(const NodeMap& cmap) {
 		        return operator=<NodeMap>(cmap);
+		      }
 		      template <typename CMap>
 		      NodeMap& operator=(const CMap& cmap) {
 		        Parent::operator=(cmap);
 		        return *this;
+		      }
 		    };
 		  };
 		  /// \ingroup graphs
 		  ///
 		  /// \brief Graph using a node set of another digraph or graph and an
 		  /// own edge set.
 		  ///
 		  /// This structure can be used to establish another graph over a
 		  /// node set of an existing one. This class uses the same Node type
 		  /// as the underlying graph, and each valid node of the original
 		  /// graph is valid in this arc set, therefore the node objects of
 		  /// the original graph can be used directly with this class. The
 		  /// node handling functions (id handling, observing, and iterators)
 		  /// works equivalently as in the original graph.
 		  ///
 		  /// \param GR The type of the graph which shares its node set
 		  /// with this class. Its interface must conform to the
 		  /// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph"
 		  ///  concept.
 		  ///
 		  /// This implementation is slightly faster than the \c ListEdgeSet,
 		  /// because it uses continuous storage for edges and it uses just
 		  /// single-linked lists for enumerate incident edges. Therefore the
 		  /// edges cannot be erased from the edge sets.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Graph "Graph"
 		  /// concept.
 		  /// It provides only linear time counting for nodes, edges and arcs.
 		  ///
 		  /// \warning If a node is erased from the underlying graph and this
 		  /// node is incident to one edge in the edge set, then the edge set
 		  /// is invalidated, and it cannot be used anymore. The validity can
 		  /// be checked with the \c valid() member function.
 		  ///
 		  /// This class fully conforms to the \ref concepts::Graph
 		  /// "Graph" concept.
 		  template <typename GR>
 		  class SmartEdgeSet : public EdgeSetExtender<SmartEdgeSetBase<GR> > {
 		    typedef EdgeSetExtender<SmartEdgeSetBase<GR> > Parent;
 		  public:
 		    typedef typename Parent::Node Node;
 		    typedef typename Parent::Arc Arc;
 		    typedef typename Parent::Edge Edge;
 		  protected:
 		    typedef typename Parent::NodesImplBase NodesImplBase;
 		    void eraseNode(const Node& node) {
 		      if (typename Parent::IncEdgeIt(*this, node) == INVALID) {
 		        return;
+		      }
 		      throw typename NodesImplBase::Notifier::ImmediateDetach();
+		    }
 		    void clearNodes() {
 		      Parent::clear();
+		    }
 		    class NodesImpl : public NodesImplBase {
 		      typedef NodesImplBase Parent;
 		    public:
 		      NodesImpl(const GR& graph, SmartEdgeSet& arcset)
 		        : Parent(graph), _arcset(arcset) {}
 		      virtual ~NodesImpl() {}
 		      bool attached() const {
 		        return Parent::attached();
+		      }
 		    protected:
 		      virtual void erase(const Node& node) {
 		        try {
 		          _arcset.eraseNode(node);
 		          Parent::erase(node);
 		        } catch (const typename NodesImplBase::Notifier::ImmediateDetach&) {
 		          Parent::clear();
 		          throw;
+		        }

lemon/full_graph.h

Show inline comments

@@ -117,146 +117,150 @@
+		    }
 		    void first(Arc& arc) const {
 		      arc._id = _arc_num - 1;
+		    }
 		    static void next(Arc& arc) {
 		      --arc._id;
+		    }
 		    void firstOut(Arc& arc, const Node& node) const {
 		      arc._id = (node._id + 1) * _node_num - 1;
+		    }
 		    void nextOut(Arc& arc) const {
 		      if (arc._id % _node_num == 0) arc._id = 0;
 		      --arc._id;
+		    }
 		    void firstIn(Arc& arc, const Node& node) const {
 		      arc._id = _arc_num + node._id - _node_num;
+		    }
 		    void nextIn(Arc& arc) const {
 		      arc._id -= _node_num;
 		      if (arc._id < 0) arc._id = -1;
+		    }
 		  };
 		  typedef DigraphExtender<FullDigraphBase> ExtendedFullDigraphBase;
 		  /// \ingroup graphs
 		  ///
 		  /// \brief A directed full graph class.
 		  ///
 		  /// FullDigraph is a simple and fast implmenetation of directed full
 		  /// (complete) graphs. It contains an arc from each node to each node
 		  /// (including a loop for each node), therefore the number of arcs
 		  /// is the square of the number of nodes.
 		  /// This class is completely static and it needs constant memory space.
 		  /// Thus you can neither add nor delete nodes or arcs, however
 		  /// the structure can be resized using resize().
 		  ///
 		  /// This type fully conforms to the \ref concepts::Digraph "Digraph concept".
 		  /// Most of its member functions and nested classes are documented
 		  /// only in the concept class.
 		  ///
 		  /// This class provides constant time counting for nodes and arcs.
 		  ///
 		  /// \note FullDigraph and FullGraph classes are very similar,
 		  /// but there are two differences. While this class conforms only
 		  /// to the \ref concepts::Digraph "Digraph" concept, FullGraph
 		  /// conforms to the \ref concepts::Graph "Graph" concept,
 		  /// moreover FullGraph does not contain a loop for each
 		  /// node as this class does.
 		  ///
 		  /// \sa FullGraph
 		  class FullDigraph : public ExtendedFullDigraphBase {
 		    typedef ExtendedFullDigraphBase Parent;
 		  public:
 		    /// \brief Default constructor.
 		    ///
 		    /// Default constructor. The number of nodes and arcs will be zero.
 		    FullDigraph() { construct(0); }
 		    /// \brief Constructor
 		    ///
 		    /// Constructor.
 		    /// \param n The number of the nodes.
 		    FullDigraph(int n) { construct(n); }
 		    /// \brief Resizes the digraph
 		    ///
 		    /// This function resizes the digraph. It fully destroys and
 		    /// rebuilds the structure, therefore the maps of the digraph will be
 		    /// reallocated automatically and the previous values will be lost.
 		    void resize(int n) {
 		      Parent::notifier(Arc()).clear();
 		      Parent::notifier(Node()).clear();
 		      construct(n);
 		      Parent::notifier(Node()).build();
 		      Parent::notifier(Arc()).build();
+		    }
 		    /// \brief Returns the node with the given index.
 		    ///
 		    /// Returns the node with the given index. Since this structure is
 		    /// completely static, the nodes can be indexed with integers from
 		    /// the range <tt>[0..nodeNum()-1]</tt>.
 		    /// The index of a node is the same as its ID.
 		    /// \sa index()
 		    Node operator()(int ix) const { return Parent::operator()(ix); }
 		    /// \brief Returns the index of the given node.
 		    ///
 		    /// Returns the index of the given node. Since this structure is
 		    /// completely static, the nodes can be indexed with integers from
 		    /// the range <tt>[0..nodeNum()-1]</tt>.
 		    /// The index of a node is the same as its ID.
 		    /// \sa operator()()
 		    static int index(const Node& node) { return Parent::index(node); }
 		    /// \brief Returns the arc connecting the given nodes.
 		    ///
 		    /// Returns the arc connecting the given nodes.
 		    Arc arc(Node u, Node v) const {
 		      return Parent::arc(u, v);
+		    }
 		    /// \brief Number of nodes.
 		    int nodeNum() const { return Parent::nodeNum(); }
 		    /// \brief Number of arcs.
 		    int arcNum() const { return Parent::arcNum(); }
 		  };
 		  class FullGraphBase {
 		  public:
 		    typedef FullGraphBase Graph;
 		    class Node;
 		    class Arc;
 		    class Edge;
 		  protected:
 		    int _node_num;
 		    int _edge_num;
 		    FullGraphBase() {}
 		    void construct(int n) { _node_num = n; _edge_num = n * (n - 1) / 2; }
 		    int _uid(int e) const {
 		      int u = e / _node_num;
 		      int v = e % _node_num;
 		      return u < v ? u : _node_num - 2 - u;
+		    }
 		    int _vid(int e) const {
 		      int u = e / _node_num;
 		      int v = e % _node_num;
 		      return u < v ? v : _node_num - 1 - v;
+		    }
 		    void _uvid(int e, int& u, int& v) const {
@@ -490,131 +494,135 @@
 		      if (u < v) {
 		        edge._id = _eid(u, v);
 		        dir = true;
 		      } else {
 		        --v;
 		        edge._id = (v != -1 ? _eid(v, u) : -1);
 		        dir = false;
+		      }
+		    }
 		    void nextInc(Edge& edge, bool& dir) const {
 		      int u, v;
 		      if (dir) {
 		        _uvid(edge._id, u, v);
 		        --v;
 		        if (u < v) {
 		          edge._id = _eid(u, v);
 		        } else {
 		          --v;
 		          edge._id = (v != -1 ? _eid(v, u) : -1);
 		          dir = false;
+		        }
 		      } else {
 		        _uvid(edge._id, v, u);
 		        --v;
 		        edge._id = (v != -1 ? _eid(v, u) : -1);
+		      }
+		    }
 		  };
 		  typedef GraphExtender<FullGraphBase> ExtendedFullGraphBase;
 		  /// \ingroup graphs
 		  ///
 		  /// \brief An undirected full graph class.
 		  ///
 		  /// FullGraph is a simple and fast implmenetation of undirected full
 		  /// (complete) graphs. It contains an edge between every distinct pair
 		  /// of nodes, therefore the number of edges is <tt>n(n-1)/2</tt>.
 		  /// This class is completely static and it needs constant memory space.
 		  /// Thus you can neither add nor delete nodes or edges, however
 		  /// the structure can be resized using resize().
 		  ///
 		  /// This type fully conforms to the \ref concepts::Graph "Graph concept".
 		  /// Most of its member functions and nested classes are documented
 		  /// only in the concept class.
 		  ///
 		  /// This class provides constant time counting for nodes, edges and arcs.
 		  ///
 		  /// \note FullDigraph and FullGraph classes are very similar,
 		  /// but there are two differences. While FullDigraph
 		  /// conforms only to the \ref concepts::Digraph "Digraph" concept,
 		  /// this class conforms to the \ref concepts::Graph "Graph" concept,
 		  /// moreover this class does not contain a loop for each
 		  /// node as FullDigraph does.
 		  ///
 		  /// \sa FullDigraph
 		  class FullGraph : public ExtendedFullGraphBase {
 		    typedef ExtendedFullGraphBase Parent;
 		  public:
 		    /// \brief Default constructor.
 		    ///
 		    /// Default constructor. The number of nodes and edges will be zero.
 		    FullGraph() { construct(0); }
 		    /// \brief Constructor
 		    ///
 		    /// Constructor.
 		    /// \param n The number of the nodes.
 		    FullGraph(int n) { construct(n); }
 		    /// \brief Resizes the graph
 		    ///
 		    /// This function resizes the graph. It fully destroys and
 		    /// rebuilds the structure, therefore the maps of the graph will be
 		    /// reallocated automatically and the previous values will be lost.
 		    void resize(int n) {
 		      Parent::notifier(Arc()).clear();
 		      Parent::notifier(Edge()).clear();
 		      Parent::notifier(Node()).clear();
 		      construct(n);
 		      Parent::notifier(Node()).build();
 		      Parent::notifier(Edge()).build();
 		      Parent::notifier(Arc()).build();
+		    }
 		    /// \brief Returns the node with the given index.
 		    ///
 		    /// Returns the node with the given index. Since this structure is
 		    /// completely static, the nodes can be indexed with integers from
 		    /// the range <tt>[0..nodeNum()-1]</tt>.
 		    /// The index of a node is the same as its ID.
 		    /// \sa index()
 		    Node operator()(int ix) const { return Parent::operator()(ix); }
 		    /// \brief Returns the index of the given node.
 		    ///
 		    /// Returns the index of the given node. Since this structure is
 		    /// completely static, the nodes can be indexed with integers from
 		    /// the range <tt>[0..nodeNum()-1]</tt>.
 		    /// The index of a node is the same as its ID.
 		    /// \sa operator()()
 		    static int index(const Node& node) { return Parent::index(node); }
 		    /// \brief Returns the arc connecting the given nodes.
 		    ///
 		    /// Returns the arc connecting the given nodes.
 		    Arc arc(Node s, Node t) const {
 		      return Parent::arc(s, t);
+		    }
 		    /// \brief Returns the edge connecting the given nodes.
 		    ///
 		    /// Returns the edge connecting the given nodes.
 		    Edge edge(Node u, Node v) const {
 		      return Parent::edge(u, v);
+		    }
 		    /// \brief Number of nodes.
 		    int nodeNum() const { return Parent::nodeNum(); }
 		    /// \brief Number of arcs.
 		    int arcNum() const { return Parent::arcNum(); }
 		    /// \brief Number of edges.
 		    int edgeNum() const { return Parent::edgeNum(); }
 		  };
 		} //namespace lemon
 		#endif //LEMON_FULL_GRAPH_H

lemon/grid_graph.h

Show inline comments

@@ -458,96 +458,98 @@
+		    }
 		  private:
 		    int _width, _height;
 		    int _node_num, _edge_num;
 		    int _edge_limit;
 		  };
 		  typedef GraphExtender<GridGraphBase> ExtendedGridGraphBase;
 		  /// \ingroup graphs
 		  ///
 		  /// \brief Grid graph class
 		  ///
 		  /// GridGraph implements a special graph type. The nodes of the
 		  /// graph can be indexed by two integer values \c (i,j) where \c i is
 		  /// in the range <tt>[0..width()-1]</tt> and j is in the range
 		  /// <tt>[0..height()-1]</tt>. Two nodes are connected in the graph if
 		  /// the indices differ exactly on one position and the difference is
 		  /// also exactly one. The nodes of the graph can be obtained by position
 		  /// using the \c operator()() function and the indices of the nodes can
 		  /// be obtained using \c pos(), \c col() and \c row() members. The outgoing
 		  /// arcs can be retrieved with the \c right(), \c up(), \c left()
 		  /// and \c down() functions, where the bottom-left corner is the
 		  /// origin.
 		  ///
 		  /// This class is completely static and it needs constant memory space.
 		  /// Thus you can neither add nor delete nodes or edges, however
 		  /// the structure can be resized using resize().
 		  ///
 		  /// \image html grid_graph.png
 		  /// \image latex grid_graph.eps "Grid graph" width=\textwidth
 		  ///
 		  /// A short example about the basic usage:
 		  ///\code
 		  /// GridGraph graph(rows, cols);
 		  /// GridGraph::NodeMap<int> val(graph);
 		  /// for (int i = 0; i < graph.width(); ++i) {
 		  ///   for (int j = 0; j < graph.height(); ++j) {
 		  ///     val[graph(i, j)] = i + j;
 		  ///   }
 		  /// }
 		  ///\endcode
 		  ///
 		  /// This type fully conforms to the \ref concepts::Graph "Graph concept".
 		  /// Most of its member functions and nested classes are documented
 		  /// only in the concept class.
 		  ///
 		  /// This class provides constant time counting for nodes, edges and arcs.
 		  class GridGraph : public ExtendedGridGraphBase {
 		    typedef ExtendedGridGraphBase Parent;
 		  public:
 		    /// \brief Map to get the indices of the nodes as \ref dim2::Point
 		    /// "dim2::Point<int>".
 		    ///
 		    /// Map to get the indices of the nodes as \ref dim2::Point
 		    /// "dim2::Point<int>".
 		    class IndexMap {
 		    public:
 		      /// \brief The key type of the map
 		      typedef GridGraph::Node Key;
 		      /// \brief The value type of the map
 		      typedef dim2::Point<int> Value;
 		      /// \brief Constructor
 		      IndexMap(const GridGraph& graph) : _graph(graph) {}
 		      /// \brief The subscript operator
 		      Value operator[](Key key) const {
 		        return _graph.pos(key);
+		      }
 		    private:
 		      const GridGraph& _graph;
 		    };
 		    /// \brief Map to get the column of the nodes.
 		    ///
 		    /// Map to get the column of the nodes.
 		    class ColMap {
 		    public:
 		      /// \brief The key type of the map
 		      typedef GridGraph::Node Key;
 		      /// \brief The value type of the map
 		      typedef int Value;
 		      /// \brief Constructor
 		      ColMap(const GridGraph& graph) : _graph(graph) {}
 		      /// \brief The subscript operator
 		      Value operator[](Key key) const {
 		        return _graph.col(key);
+		      }
 		    private:

lemon/hypercube_graph.h

Show inline comments

@@ -249,96 +249,98 @@
 		    int dimension() const {
 		      return _dim;
+		    }
 		    bool projection(Node node, int n) const {
 		      return static_cast<bool>(node._id & (1 << n));
+		    }
 		    int dimension(Edge edge) const {
 		      return edge._id >> (_dim-1);
+		    }
 		    int dimension(Arc arc) const {
 		      return arc._id >> _dim;
+		    }
 		    static int index(Node node) {
 		      return node._id;
+		    }
 		    Node operator()(int ix) const {
 		      return Node(ix);
+		    }
 		  private:
 		    int _dim;
 		    int _node_num, _edge_num;
 		  };
 		  typedef GraphExtender<HypercubeGraphBase> ExtendedHypercubeGraphBase;
 		  /// \ingroup graphs
 		  ///
 		  /// \brief Hypercube graph class
 		  ///
 		  /// HypercubeGraph implements a special graph type. The nodes of the
 		  /// graph are indexed with integers having at most \c dim binary digits.
 		  /// Two nodes are connected in the graph if and only if their indices
 		  /// differ only on one position in the binary form.
 		  /// This class is completely static and it needs constant memory space.
 		  /// Thus you can neither add nor delete nodes or edges, however
 		  /// the structure can be resized using resize().
 		  ///
 		  /// This type fully conforms to the \ref concepts::Graph "Graph concept".
 		  /// Most of its member functions and nested classes are documented
 		  /// only in the concept class.
 		  ///
 		  /// This class provides constant time counting for nodes, edges and arcs.
 		  ///
 		  /// \note The type of the indices is chosen to \c int for efficiency
 		  /// reasons. Thus the maximum dimension of this implementation is 26
 		  /// (assuming that the size of \c int is 32 bit).
 		  class HypercubeGraph : public ExtendedHypercubeGraphBase {
 		    typedef ExtendedHypercubeGraphBase Parent;
 		  public:
 		    /// \brief Constructs a hypercube graph with \c dim dimensions.
 		    ///
 		    /// Constructs a hypercube graph with \c dim dimensions.
 		    HypercubeGraph(int dim) { construct(dim); }
 		    /// \brief Resizes the graph
 		    ///
 		    /// This function resizes the graph. It fully destroys and
 		    /// rebuilds the structure, therefore the maps of the graph will be
 		    /// reallocated automatically and the previous values will be lost.
 		    void resize(int dim) {
 		      Parent::notifier(Arc()).clear();
 		      Parent::notifier(Edge()).clear();
 		      Parent::notifier(Node()).clear();
 		      construct(dim);
 		      Parent::notifier(Node()).build();
 		      Parent::notifier(Edge()).build();
 		      Parent::notifier(Arc()).build();
+		    }
 		    /// \brief The number of dimensions.
 		    ///
 		    /// Gives back the number of dimensions.
 		    int dimension() const {
 		      return Parent::dimension();
+		    }
 		    /// \brief Returns \c true if the n'th bit of the node is one.
 		    ///
 		    /// Returns \c true if the n'th bit of the node is one.
 		    bool projection(Node node, int n) const {
 		      return Parent::projection(node, n);
+		    }
 		    /// \brief The dimension id of an edge.
 		    ///
 		    /// Gives back the dimension id of the given edge.
 		    /// It is in the range <tt>[0..dim-1]</tt>.
 		    int dimension(Edge edge) const {
 		      return Parent::dimension(edge);

lemon/list_graph.h

Show inline comments

@@ -279,138 +279,147 @@
+		    {
 		      if(arcs[e.id].next_in != -1)
 		        arcs[arcs[e.id].next_in].prev_in = arcs[e.id].prev_in;
 		      if(arcs[e.id].prev_in != -1)
 		        arcs[arcs[e.id].prev_in].next_in = arcs[e.id].next_in;
 		      else nodes[arcs[e.id].target].first_in = arcs[e.id].next_in;
 		      if (nodes[n.id].first_in != -1) {
 		        arcs[nodes[n.id].first_in].prev_in = e.id;
+		      }
 		      arcs[e.id].target = n.id;
 		      arcs[e.id].prev_in = -1;
 		      arcs[e.id].next_in = nodes[n.id].first_in;
 		      nodes[n.id].first_in = e.id;
+		    }
 		    void changeSource(Arc e, Node n)
+		    {
 		      if(arcs[e.id].next_out != -1)
 		        arcs[arcs[e.id].next_out].prev_out = arcs[e.id].prev_out;
 		      if(arcs[e.id].prev_out != -1)
 		        arcs[arcs[e.id].prev_out].next_out = arcs[e.id].next_out;
 		      else nodes[arcs[e.id].source].first_out = arcs[e.id].next_out;
 		      if (nodes[n.id].first_out != -1) {
 		        arcs[nodes[n.id].first_out].prev_out = e.id;
+		      }
 		      arcs[e.id].source = n.id;
 		      arcs[e.id].prev_out = -1;
 		      arcs[e.id].next_out = nodes[n.id].first_out;
 		      nodes[n.id].first_out = e.id;
+		    }
 		  };
 		  typedef DigraphExtender<ListDigraphBase> ExtendedListDigraphBase;
 		  /// \addtogroup graphs
 		  /// @{
 		  ///A general directed graph structure.
 		  ///\ref ListDigraph is a versatile and fast directed graph
 		  ///implementation based on linked lists that are stored in
 		  ///\c std::vector structures.
 		  ///
 		  ///This type fully conforms to the \ref concepts::Digraph "Digraph concept"
 		  ///and it also provides several useful additional functionalities.
 		  ///Most of its member functions and nested classes are documented
 		  ///only in the concept class.
 		  ///
 		  ///This class provides only linear time counting for nodes and arcs.
 		  ///
 		  ///\sa concepts::Digraph
 		  ///\sa ListGraph
 		  class ListDigraph : public ExtendedListDigraphBase {
 		    typedef ExtendedListDigraphBase Parent;
 		  private:
 		    /// Digraphs are \e not copy constructible. Use DigraphCopy instead.
 		    ListDigraph(const ListDigraph &) :ExtendedListDigraphBase() {};
 		    /// \brief Assignment of a digraph to another one is \e not allowed.
 		    /// Use DigraphCopy instead.
 		    void operator=(const ListDigraph &) {}
 		  public:
 		    /// Constructor
 		    /// Constructor.
 		    ///
 		    ListDigraph() {}
 		    ///Add a new node to the digraph.
 		    ///This function adds a new node to the digraph.
 		    ///\return The new node.
 		    Node addNode() { return Parent::addNode(); }
 		    ///Add a new arc to the digraph.
 		    ///This function adds a new arc to the digraph with source node \c s
 		    ///and target node \c t.
 		    ///\return The new arc.
 		    Arc addArc(Node s, Node t) {
 		      return Parent::addArc(s, t);
+		    }
 		    ///\brief Erase a node from the digraph.
 		    ///
-		    ///This function erases the given node from the digraph.
+		    ///This function erases the given node along with its outgoing and
 		    ///incoming arcs from the digraph.
 		    ///
 		    ///\note All iterators referencing the removed node or the connected
 		    ///arcs are invalidated, of course.
 		    void erase(Node n) { Parent::erase(n); }
 		    ///\brief Erase an arc from the digraph.
 		    ///
 		    ///This function erases the given arc from the digraph.
 		    ///
 		    ///\note All iterators referencing the removed arc are invalidated,
 		    ///of course.
 		    void erase(Arc a) { Parent::erase(a); }
 		    /// Node validity check
 		    /// This function gives back \c true if the given node is valid,
 		    /// i.e. it is a real node of the digraph.
 		    ///
 		    /// \warning A removed node could become valid again if new nodes are
 		    /// added to the digraph.
 		    bool valid(Node n) const { return Parent::valid(n); }
 		    /// Arc validity check
 		    /// This function gives back \c true if the given arc is valid,
 		    /// i.e. it is a real arc of the digraph.
 		    ///
 		    /// \warning A removed arc could become valid again if new arcs are
 		    /// added to the digraph.
 		    bool valid(Arc a) const { return Parent::valid(a); }
 		    /// Change the target node of an arc
 		    /// This function changes the target node of the given arc \c a to \c n.
 		    ///
 		    ///\note \c ArcIt and \c OutArcIt iterators referencing the changed
 		    ///arc remain valid, however \c InArcIt iterators are invalidated.
 		    ///
 		    ///\warning This functionality cannot be used together with the Snapshot
 		    ///feature.
 		    void changeTarget(Arc a, Node n) {
 		      Parent::changeTarget(a,n);
+		    }
 		    /// Change the source node of an arc
 		    /// This function changes the source node of the given arc \c a to \c n.
 		    ///
 		    ///\note \c InArcIt iterators referencing the changed arc remain
 		    ///valid, however \c ArcIt and \c OutArcIt iterators are invalidated.
 		    ///
 		    ///\warning This functionality cannot be used together with the Snapshot
 		    ///feature.
 		    void changeSource(Arc a, Node n) {
 		      Parent::changeSource(a,n);
+		    }
 		    /// Reverse the direction of an arc.
 		    /// This function reverses the direction of the given arc.
@@ -465,96 +474,97 @@
 		    ///This function splits the given node. First, a new node is added
 		    ///to the digraph, then the source of each outgoing arc of node \c n
 		    ///is moved to this new node.
 		    ///If the second parameter \c connect is \c true (this is the default
 		    ///value), then a new arc from node \c n to the newly created node
 		    ///is also added.
 		    ///\return The newly created node.
 		    ///
 		    ///\note All iterators remain valid.
 		    ///
 		    ///\warning This functionality cannot be used together with the
 		    ///Snapshot feature.
 		    Node split(Node n, bool connect = true) {
 		      Node b = addNode();
 		      nodes[b.id].first_out=nodes[n.id].first_out;
 		      nodes[n.id].first_out=-1;
 		      for(int i=nodes[b.id].first_out; i!=-1; i=arcs[i].next_out) {
 		        arcs[i].source=b.id;
+		      }
 		      if (connect) addArc(n,b);
 		      return b;
+		    }
 		    ///Split an arc.
 		    ///This function splits the given arc. First, a new node \c v is
 		    ///added to the digraph, then the target node of the original arc
 		    ///is set to \c v. Finally, an arc from \c v to the original target
 		    ///is added.
 		    ///\return The newly created node.
 		    ///
 		    ///\note \c InArcIt iterators referencing the original arc are
 		    ///invalidated. Other iterators remain valid.
 		    ///
 		    ///\warning This functionality cannot be used together with the
 		    ///Snapshot feature.
 		    Node split(Arc a) {
 		      Node v = addNode();
 		      addArc(v,target(a));
 		      changeTarget(a,v);
 		      return v;
+		    }
 		    ///Clear the digraph.
 		    ///This function erases all nodes and arcs from the digraph.
 		    ///
 		    ///\note All iterators of the digraph are invalidated, of course.
 		    void clear() {
 		      Parent::clear();
+		    }
 		    /// Reserve memory for nodes.
 		    /// Using this function, it is possible to avoid superfluous memory
 		    /// allocation: if you know that the digraph you want to build will
 		    /// be large (e.g. it will contain millions of nodes and/or arcs),
 		    /// then it is worth reserving space for this amount before starting
 		    /// to build the digraph.
 		    /// \sa reserveArc()
 		    void reserveNode(int n) { nodes.reserve(n); };
 		    /// Reserve memory for arcs.
 		    /// Using this function, it is possible to avoid superfluous memory
 		    /// allocation: if you know that the digraph you want to build will
 		    /// be large (e.g. it will contain millions of nodes and/or arcs),
 		    /// then it is worth reserving space for this amount before starting
 		    /// to build the digraph.
 		    /// \sa reserveNode()
 		    void reserveArc(int m) { arcs.reserve(m); };
 		    /// \brief Class to make a snapshot of the digraph and restore
 		    /// it later.
 		    ///
 		    /// Class to make a snapshot of the digraph and restore it later.
 		    ///
 		    /// The newly added nodes and arcs can be removed using the
 		    /// restore() function.
 		    ///
 		    /// \note After a state is restored, you cannot restore a later state,
 		    /// i.e. you cannot add the removed nodes and arcs again using
 		    /// another Snapshot instance.
 		    ///
 		    /// \warning Node and arc deletions and other modifications (e.g.
 		    /// reversing, contracting, splitting arcs or nodes) cannot be
 		    /// restored. These events invalidate the snapshot.
 		    /// However the arcs and nodes that were added to the digraph after
 		    /// making the current snapshot can be removed without invalidating it.
 		    class Snapshot {
 		    protected:
 		      typedef Parent::NodeNotifier NodeNotifier;
 		      class NodeObserverProxy : public NodeNotifier::ObserverBase {
 		      public:
@@ -1134,229 +1144,239 @@
+		      }
 		      arcs[(2 * e.id) | 1].target = n.id;
 		      arcs[2 * e.id].prev_out = -1;
 		      arcs[2 * e.id].next_out = nodes[n.id].first_out;
 		      nodes[n.id].first_out = 2 * e.id;
+		    }
 		    void changeU(Edge e, Node n) {
 		      if(arcs[(2 * e.id) | 1].next_out != -1) {
 		        arcs[arcs[(2 * e.id) | 1].next_out].prev_out =
 		          arcs[(2 * e.id) | 1].prev_out;
+		      }
 		      if(arcs[(2 * e.id) | 1].prev_out != -1) {
 		        arcs[arcs[(2 * e.id) | 1].prev_out].next_out =
 		          arcs[(2 * e.id) | 1].next_out;
 		      } else {
 		        nodes[arcs[2 * e.id].target].first_out =
 		          arcs[(2 * e.id) | 1].next_out;
+		      }
 		      if (nodes[n.id].first_out != -1) {
 		        arcs[nodes[n.id].first_out].prev_out = ((2 * e.id) | 1);
+		      }
 		      arcs[2 * e.id].target = n.id;
 		      arcs[(2 * e.id) | 1].prev_out = -1;
 		      arcs[(2 * e.id) | 1].next_out = nodes[n.id].first_out;
 		      nodes[n.id].first_out = ((2 * e.id) | 1);
+		    }
 		  };
 		  typedef GraphExtender<ListGraphBase> ExtendedListGraphBase;
 		  /// \addtogroup graphs
 		  /// @{
 		  ///A general undirected graph structure.
 		  ///\ref ListGraph is a versatile and fast undirected graph
 		  ///implementation based on linked lists that are stored in
 		  ///\c std::vector structures.
 		  ///
 		  ///This type fully conforms to the \ref concepts::Graph "Graph concept"
 		  ///and it also provides several useful additional functionalities.
 		  ///Most of its member functions and nested classes are documented
 		  ///only in the concept class.
 		  ///
 		  ///This class provides only linear time counting for nodes, edges and arcs.
 		  ///
 		  ///\sa concepts::Graph
 		  ///\sa ListDigraph
 		  class ListGraph : public ExtendedListGraphBase {
 		    typedef ExtendedListGraphBase Parent;
 		  private:
 		    /// Graphs are \e not copy constructible. Use GraphCopy instead.
 		    ListGraph(const ListGraph &) :ExtendedListGraphBase()  {};
 		    /// \brief Assignment of a graph to another one is \e not allowed.
 		    /// Use GraphCopy instead.
 		    void operator=(const ListGraph &) {}
 		  public:
 		    /// Constructor
 		    /// Constructor.
 		    ///
 		    ListGraph() {}
 		    typedef Parent::OutArcIt IncEdgeIt;
 		    /// \brief Add a new node to the graph.
 		    ///
 		    /// This function adds a new node to the graph.
 		    /// \return The new node.
 		    Node addNode() { return Parent::addNode(); }
 		    /// \brief Add a new edge to the graph.
 		    ///
 		    /// This function adds a new edge to the graph between nodes
 		    /// \c u and \c v with inherent orientation from node \c u to
 		    /// node \c v.
 		    /// \return The new edge.
 		    Edge addEdge(Node u, Node v) {
 		      return Parent::addEdge(u, v);
+		    }
 		    ///\brief Erase a node from the graph.
 		    ///
-		    /// This function erases the given node from the graph.
+		    /// This function erases the given node along with its incident arcs
 		    /// from the graph.
 		    ///
 		    /// \note All iterators referencing the removed node or the incident
 		    /// edges are invalidated, of course.
 		    void erase(Node n) { Parent::erase(n); }
 		    ///\brief Erase an edge from the graph.
 		    ///
 		    /// This function erases the given edge from the graph.
 		    ///
 		    /// \note All iterators referencing the removed edge are invalidated,
 		    /// of course.
 		    void erase(Edge e) { Parent::erase(e); }
 		    /// Node validity check
 		    /// This function gives back \c true if the given node is valid,
 		    /// i.e. it is a real node of the graph.
 		    ///
 		    /// \warning A removed node could become valid again if new nodes are
 		    /// added to the graph.
 		    bool valid(Node n) const { return Parent::valid(n); }
 		    /// Edge validity check
 		    /// This function gives back \c true if the given edge is valid,
 		    /// i.e. it is a real edge of the graph.
 		    ///
 		    /// \warning A removed edge could become valid again if new edges are
 		    /// added to the graph.
 		    bool valid(Edge e) const { return Parent::valid(e); }
 		    /// Arc validity check
 		    /// This function gives back \c true if the given arc is valid,
 		    /// i.e. it is a real arc of the graph.
 		    ///
 		    /// \warning A removed arc could become valid again if new edges are
 		    /// added to the graph.
 		    bool valid(Arc a) const { return Parent::valid(a); }
 		    /// \brief Change the first node of an edge.
 		    ///
 		    /// This function changes the first node of the given edge \c e to \c n.
 		    ///
 		    ///\note \c EdgeIt and \c ArcIt iterators referencing the
 		    ///changed edge are invalidated and all other iterators whose
 		    ///base node is the changed node are also invalidated.
 		    ///
 		    ///\warning This functionality cannot be used together with the
 		    ///Snapshot feature.
 		    void changeU(Edge e, Node n) {
 		      Parent::changeU(e,n);
+		    }
 		    /// \brief Change the second node of an edge.
 		    ///
 		    /// This function changes the second node of the given edge \c e to \c n.
 		    ///
 		    ///\note \c EdgeIt iterators referencing the changed edge remain
 		    ///valid, however \c ArcIt iterators referencing the changed edge and
 		    ///all other iterators whose base node is the changed node are also
 		    ///invalidated.
 		    ///
 		    ///\warning This functionality cannot be used together with the
 		    ///Snapshot feature.
 		    void changeV(Edge e, Node n) {
 		      Parent::changeV(e,n);
+		    }
 		    /// \brief Contract two nodes.
 		    ///
 		    /// This function contracts the given two nodes.
 		    /// Node \c b is removed, but instead of deleting
 		    /// its incident edges, they are joined to node \c a.
 		    /// If the last parameter \c r is \c true (this is the default value),
 		    /// then the newly created loops are removed.
 		    ///
 		    /// \note The moved edges are joined to node \c a using changeU()
 		    /// or changeV(), thus all edge and arc iterators whose base node is
 		    /// \c b are invalidated.
 		    /// Moreover all iterators referencing node \c b or the removed
 		    /// loops are also invalidated. Other iterators remain valid.
 		    ///
 		    ///\warning This functionality cannot be used together with the
 		    ///Snapshot feature.
 		    void contract(Node a, Node b, bool r = true) {
 		      for(IncEdgeIt e(*this, b); e!=INVALID;) {
 		        IncEdgeIt f = e; ++f;
 		        if (r && runningNode(e) == a) {
 		          erase(e);
 		        } else if (u(e) == b) {
 		          changeU(e, a);
 		        } else {
 		          changeV(e, a);
+		        }
 		        e = f;
+		      }
 		      erase(b);
+		    }
 		    ///Clear the graph.
 		    ///This function erases all nodes and arcs from the graph.
 		    ///
 		    ///\note All iterators of the graph are invalidated, of course.
 		    void clear() {
 		      Parent::clear();
+		    }
 		    /// Reserve memory for nodes.
 		    /// Using this function, it is possible to avoid superfluous memory
 		    /// allocation: if you know that the graph you want to build will
 		    /// be large (e.g. it will contain millions of nodes and/or edges),
 		    /// then it is worth reserving space for this amount before starting
 		    /// to build the graph.
 		    /// \sa reserveEdge()
 		    void reserveNode(int n) { nodes.reserve(n); };
 		    /// Reserve memory for edges.
 		    /// Using this function, it is possible to avoid superfluous memory
 		    /// allocation: if you know that the graph you want to build will
 		    /// be large (e.g. it will contain millions of nodes and/or edges),
 		    /// then it is worth reserving space for this amount before starting
 		    /// to build the graph.
 		    /// \sa reserveNode()
 		    void reserveEdge(int m) { arcs.reserve(2 * m); };
 		    /// \brief Class to make a snapshot of the graph and restore
 		    /// it later.
 		    ///
 		    /// Class to make a snapshot of the graph and restore it later.
 		    ///
 		    /// The newly added nodes and edges can be removed
 		    /// using the restore() function.
 		    ///
 		    /// \note After a state is restored, you cannot restore a later state,
 		    /// i.e. you cannot add the removed nodes and edges again using
 		    /// another Snapshot instance.
 		    ///
 		    /// \warning Node and edge deletions and other modifications
 		    /// (e.g. changing the end-nodes of edges or contracting nodes)
 		    /// cannot be restored. These events invalidate the snapshot.
 		    /// However the edges and nodes that were added to the graph after
 		    /// making the current snapshot can be removed without invalidating it.
 		    class Snapshot {
 		    protected:
 		      typedef Parent::NodeNotifier NodeNotifier;
 		      class NodeObserverProxy : public NodeNotifier::ObserverBase {
 		      public:

lemon/smart_graph.h

Show inline comments

@@ -149,96 +149,98 @@
+		    }
 		    static void next(Node& node) {
 		      --node._id;
+		    }
 		    void first(Arc& arc) const {
 		      arc._id = arcs.size() - 1;
+		    }
 		    static void next(Arc& arc) {
 		      --arc._id;
+		    }
 		    void firstOut(Arc& arc, const Node& node) const {
 		      arc._id = nodes[node._id].first_out;
+		    }
 		    void nextOut(Arc& arc) const {
 		      arc._id = arcs[arc._id].next_out;
+		    }
 		    void firstIn(Arc& arc, const Node& node) const {
 		      arc._id = nodes[node._id].first_in;
+		    }
 		    void nextIn(Arc& arc) const {
 		      arc._id = arcs[arc._id].next_in;
+		    }
 		  };
 		  typedef DigraphExtender<SmartDigraphBase> ExtendedSmartDigraphBase;
 		  ///\ingroup graphs
 		  ///
 		  ///\brief A smart directed graph class.
 		  ///
 		  ///\ref SmartDigraph is a simple and fast digraph implementation.
 		  ///It is also quite memory efficient but at the price
 		  ///that it does not support node and arc deletion
 		  ///(except for the Snapshot feature).
 		  ///
 		  ///This type fully conforms to the \ref concepts::Digraph "Digraph concept"
 		  ///and it also provides some additional functionalities.
 		  ///Most of its member functions and nested classes are documented
 		  ///only in the concept class.
 		  ///
 		  ///This class provides constant time counting for nodes and arcs.
 		  ///
 		  ///\sa concepts::Digraph
 		  ///\sa SmartGraph
 		  class SmartDigraph : public ExtendedSmartDigraphBase {
 		    typedef ExtendedSmartDigraphBase Parent;
 		  private:
 		    /// Digraphs are \e not copy constructible. Use DigraphCopy instead.
 		    SmartDigraph(const SmartDigraph &) : ExtendedSmartDigraphBase() {};
 		    /// \brief Assignment of a digraph to another one is \e not allowed.
 		    /// Use DigraphCopy instead.
 		    void operator=(const SmartDigraph &) {}
 		  public:
 		    /// Constructor
 		    /// Constructor.
 		    ///
 		    SmartDigraph() {};
 		    ///Add a new node to the digraph.
 		    ///This function adds a new node to the digraph.
 		    ///\return The new node.
 		    Node addNode() { return Parent::addNode(); }
 		    ///Add a new arc to the digraph.
 		    ///This function adds a new arc to the digraph with source node \c s
 		    ///and target node \c t.
 		    ///\return The new arc.
 		    Arc addArc(Node s, Node t) {
 		      return Parent::addArc(s, t);
+		    }
 		    /// \brief Node validity check
 		    ///
 		    /// This function gives back \c true if the given node is valid,
 		    /// i.e. it is a real node of the digraph.
 		    ///
 		    /// \warning A removed node (using Snapshot) could become valid again
 		    /// if new nodes are added to the digraph.
 		    bool valid(Node n) const { return Parent::valid(n); }
 		    /// \brief Arc validity check
 		    ///
 		    /// This function gives back \c true if the given arc is valid,
 		    /// i.e. it is a real arc of the digraph.
@@ -575,96 +577,98 @@
 		    Node addNode() {
 		      int n = nodes.size();
 		      nodes.push_back(NodeT());
 		      nodes[n].first_out = -1;
 		      return Node(n);
+		    }
 		    Edge addEdge(Node u, Node v) {
 		      int n = arcs.size();
 		      arcs.push_back(ArcT());
 		      arcs.push_back(ArcT());
 		      arcs[n].target = u._id;
 		      arcs[n | 1].target = v._id;
 		      arcs[n].next_out = nodes[v._id].first_out;
 		      nodes[v._id].first_out = n;
 		      arcs[n | 1].next_out = nodes[u._id].first_out;
 		      nodes[u._id].first_out = (n | 1);
 		      return Edge(n / 2);
+		    }
 		    void clear() {
 		      arcs.clear();
 		      nodes.clear();
+		    }
 		  };
 		  typedef GraphExtender<SmartGraphBase> ExtendedSmartGraphBase;
 		  /// \ingroup graphs
 		  ///
 		  /// \brief A smart undirected graph class.
 		  ///
 		  /// \ref SmartGraph is a simple and fast graph implementation.
 		  /// It is also quite memory efficient but at the price
 		  /// that it does not support node and edge deletion
 		  /// (except for the Snapshot feature).
 		  ///
 		  /// This type fully conforms to the \ref concepts::Graph "Graph concept"
 		  /// and it also provides some additional functionalities.
 		  /// Most of its member functions and nested classes are documented
 		  /// only in the concept class.
 		  ///
 		  /// This class provides constant time counting for nodes, edges and arcs.
 		  ///
 		  /// \sa concepts::Graph
 		  /// \sa SmartDigraph
 		  class SmartGraph : public ExtendedSmartGraphBase {
 		    typedef ExtendedSmartGraphBase Parent;
 		  private:
 		    /// Graphs are \e not copy constructible. Use GraphCopy instead.
 		    SmartGraph(const SmartGraph &) : ExtendedSmartGraphBase() {};
 		    /// \brief Assignment of a graph to another one is \e not allowed.
 		    /// Use GraphCopy instead.
 		    void operator=(const SmartGraph &) {}
 		  public:
 		    /// Constructor
 		    /// Constructor.
 		    ///
 		    SmartGraph() {}
 		    /// \brief Add a new node to the graph.
 		    ///
 		    /// This function adds a new node to the graph.
 		    /// \return The new node.
 		    Node addNode() { return Parent::addNode(); }
 		    /// \brief Add a new edge to the graph.
 		    ///
 		    /// This function adds a new edge to the graph between nodes
 		    /// \c u and \c v with inherent orientation from node \c u to
 		    /// node \c v.
 		    /// \return The new edge.
 		    Edge addEdge(Node u, Node v) {
 		      return Parent::addEdge(u, v);
+		    }
 		    /// \brief Node validity check
 		    ///
 		    /// This function gives back \c true if the given node is valid,
 		    /// i.e. it is a real node of the graph.
 		    ///
 		    /// \warning A removed node (using Snapshot) could become valid again
 		    /// if new nodes are added to the graph.
 		    bool valid(Node n) const { return Parent::valid(n); }
 		    /// \brief Edge validity check
 		    ///
 		    /// This function gives back \c true if the given edge is valid,

lemon/static_graph.h

Show inline comments

@@ -247,96 +247,98 @@
 		    static void fastNextOut(Arc& e) {
 		      ++e.id;
+		    }
 		    void fastLastOut(Arc& e, const Node& n) const {
 		      e.id = node_first_out[n.id + 1];
+		    }
 		  protected:
 		    bool built;
 		    int node_num;
 		    int arc_num;
 		    int *node_first_out;
 		    int *node_first_in;
 		    int *arc_source;
 		    int *arc_target;
 		    int *arc_next_in;
 		    int *arc_next_out;
 		  };
 		  typedef DigraphExtender<StaticDigraphBase> ExtendedStaticDigraphBase;
 		  /// \ingroup graphs
 		  ///
 		  /// \brief A static directed graph class.
 		  ///
 		  /// \ref StaticDigraph is a highly efficient digraph implementation,
 		  /// but it is fully static.
 		  /// It stores only two \c int values for each node and only four \c int
 		  /// values for each arc. Moreover it provides faster item iteration than
 		  /// \ref ListDigraph and \ref SmartDigraph, especially using \c OutArcIt
 		  /// iterators, since its arcs are stored in an appropriate order.
 		  /// However it only provides build() and clear() functions and does not
 		  /// support any other modification of the digraph.
 		  ///
 		  /// Since this digraph structure is completely static, its nodes and arcs
 		  /// can be indexed with integers from the ranges <tt>[0..nodeNum()-1]</tt>
 		  /// and <tt>[0..arcNum()-1]</tt>, respectively.
 		  /// The index of an item is the same as its ID, it can be obtained
 		  /// using the corresponding \ref index() or \ref concepts::Digraph::id()
 		  /// "id()" function. A node or arc with a certain index can be obtained
 		  /// using node() or arc().
 		  ///
 		  /// This type fully conforms to the \ref concepts::Digraph "Digraph concept".
 		  /// Most of its member functions and nested classes are documented
 		  /// only in the concept class.
 		  ///
 		  /// This class provides constant time counting for nodes and arcs.
 		  ///
 		  /// \sa concepts::Digraph
 		  class StaticDigraph : public ExtendedStaticDigraphBase {
 		  public:
 		    typedef ExtendedStaticDigraphBase Parent;
 		  public:
 		    /// \brief Constructor
 		    ///
 		    /// Default constructor.
 		    StaticDigraph() : Parent() {}
 		    /// \brief The node with the given index.
 		    ///
 		    /// This function returns the node with the given index.
 		    /// \sa index()
 		    static Node node(int ix) { return Parent::nodeFromId(ix); }
 		    /// \brief The arc with the given index.
 		    ///
 		    /// This function returns the arc with the given index.
 		    /// \sa index()
 		    static Arc arc(int ix) { return Parent::arcFromId(ix); }
 		    /// \brief The index of the given node.
 		    ///
 		    /// This function returns the index of the the given node.
 		    /// \sa node()
 		    static int index(Node node) { return Parent::id(node); }
 		    /// \brief The index of the given arc.
 		    ///
 		    /// This function returns the index of the the given arc.
 		    /// \sa arc()
 		    static int index(Arc arc) { return Parent::id(arc); }
 		    /// \brief Number of nodes.
 		    ///
 		    /// This function returns the number of nodes.
 		    int nodeNum() const { return node_num; }
 		    /// \brief Number of arcs.
 		    ///
 		    /// This function returns the number of arcs.
 		    int arcNum() const { return arc_num; }
 		    /// \brief Build the digraph copying another digraph.

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