lemon/dfs.h
changeset 780 580af8cf2f6a
parent 716 f47b6c94577e
parent 713 4ac30454f1c1
child 786 e20173729589
child 787 c2230649a493
     1.1 --- a/lemon/dfs.h	Thu Nov 05 10:01:02 2009 +0100
     1.2 +++ b/lemon/dfs.h	Thu Nov 05 10:23:16 2009 +0100
     1.3 @@ -47,7 +47,7 @@
     1.4      ///
     1.5      ///The type of the map that stores the predecessor
     1.6      ///arcs of the %DFS paths.
     1.7 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
     1.8 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
     1.9      typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap;
    1.10      ///Instantiates a \c PredMap.
    1.11  
    1.12 @@ -62,7 +62,8 @@
    1.13      ///The type of the map that indicates which nodes are processed.
    1.14  
    1.15      ///The type of the map that indicates which nodes are processed.
    1.16 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
    1.17 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
    1.18 +    ///By default it is a NullMap.
    1.19      typedef NullMap<typename Digraph::Node,bool> ProcessedMap;
    1.20      ///Instantiates a \c ProcessedMap.
    1.21  
    1.22 @@ -81,7 +82,7 @@
    1.23      ///The type of the map that indicates which nodes are reached.
    1.24  
    1.25      ///The type of the map that indicates which nodes are reached.
    1.26 -    ///It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
    1.27 +    ///It must conform to the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
    1.28      typedef typename Digraph::template NodeMap<bool> ReachedMap;
    1.29      ///Instantiates a \c ReachedMap.
    1.30  
    1.31 @@ -96,7 +97,7 @@
    1.32      ///The type of the map that stores the distances of the nodes.
    1.33  
    1.34      ///The type of the map that stores the distances of the nodes.
    1.35 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
    1.36 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
    1.37      typedef typename Digraph::template NodeMap<int> DistMap;
    1.38      ///Instantiates a \c DistMap.
    1.39  
    1.40 @@ -224,7 +225,7 @@
    1.41      ///
    1.42      ///\ref named-templ-param "Named parameter" for setting
    1.43      ///\c PredMap type.
    1.44 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
    1.45 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
    1.46      template <class T>
    1.47      struct SetPredMap : public Dfs<Digraph, SetPredMapTraits<T> > {
    1.48        typedef Dfs<Digraph, SetPredMapTraits<T> > Create;
    1.49 @@ -244,7 +245,7 @@
    1.50      ///
    1.51      ///\ref named-templ-param "Named parameter" for setting
    1.52      ///\c DistMap type.
    1.53 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
    1.54 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
    1.55      template <class T>
    1.56      struct SetDistMap : public Dfs< Digraph, SetDistMapTraits<T> > {
    1.57        typedef Dfs<Digraph, SetDistMapTraits<T> > Create;
    1.58 @@ -264,7 +265,7 @@
    1.59      ///
    1.60      ///\ref named-templ-param "Named parameter" for setting
    1.61      ///\c ReachedMap type.
    1.62 -    ///It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
    1.63 +    ///It must conform to the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
    1.64      template <class T>
    1.65      struct SetReachedMap : public Dfs< Digraph, SetReachedMapTraits<T> > {
    1.66        typedef Dfs< Digraph, SetReachedMapTraits<T> > Create;
    1.67 @@ -284,7 +285,7 @@
    1.68      ///
    1.69      ///\ref named-templ-param "Named parameter" for setting
    1.70      ///\c ProcessedMap type.
    1.71 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
    1.72 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
    1.73      template <class T>
    1.74      struct SetProcessedMap : public Dfs< Digraph, SetProcessedMapTraits<T> > {
    1.75        typedef Dfs< Digraph, SetProcessedMapTraits<T> > Create;
    1.76 @@ -411,8 +412,8 @@
    1.77      ///\name Execution Control
    1.78      ///The simplest way to execute the DFS algorithm is to use one of the
    1.79      ///member functions called \ref run(Node) "run()".\n
    1.80 -    ///If you need more control on the execution, first you have to call
    1.81 -    ///\ref init(), then you can add a source node with \ref addSource()
    1.82 +    ///If you need better control on the execution, you have to call
    1.83 +    ///\ref init() first, then you can add a source node with \ref addSource()
    1.84      ///and perform the actual computation with \ref start().
    1.85      ///This procedure can be repeated if there are nodes that have not
    1.86      ///been reached.
    1.87 @@ -669,9 +670,9 @@
    1.88  
    1.89      ///@{
    1.90  
    1.91 -    ///The DFS path to a node.
    1.92 +    ///The DFS path to the given node.
    1.93  
    1.94 -    ///Returns the DFS path to a node.
    1.95 +    ///Returns the DFS path to the given node from the root(s).
    1.96      ///
    1.97      ///\warning \c t should be reached from the root(s).
    1.98      ///
    1.99 @@ -679,9 +680,9 @@
   1.100      ///must be called before using this function.
   1.101      Path path(Node t) const { return Path(*G, *_pred, t); }
   1.102  
   1.103 -    ///The distance of a node from the root(s).
   1.104 +    ///The distance of the given node from the root(s).
   1.105  
   1.106 -    ///Returns the distance of a node from the root(s).
   1.107 +    ///Returns the distance of the given node from the root(s).
   1.108      ///
   1.109      ///\warning If node \c v is not reached from the root(s), then
   1.110      ///the return value of this function is undefined.
   1.111 @@ -690,7 +691,7 @@
   1.112      ///must be called before using this function.
   1.113      int dist(Node v) const { return (*_dist)[v]; }
   1.114  
   1.115 -    ///Returns the 'previous arc' of the %DFS tree for a node.
   1.116 +    ///Returns the 'previous arc' of the %DFS tree for the given node.
   1.117  
   1.118      ///This function returns the 'previous arc' of the %DFS tree for the
   1.119      ///node \c v, i.e. it returns the last arc of a %DFS path from a
   1.120 @@ -698,21 +699,21 @@
   1.121      ///root(s) or if \c v is a root.
   1.122      ///
   1.123      ///The %DFS tree used here is equal to the %DFS tree used in
   1.124 -    ///\ref predNode().
   1.125 +    ///\ref predNode() and \ref predMap().
   1.126      ///
   1.127      ///\pre Either \ref run(Node) "run()" or \ref init()
   1.128      ///must be called before using this function.
   1.129      Arc predArc(Node v) const { return (*_pred)[v];}
   1.130  
   1.131 -    ///Returns the 'previous node' of the %DFS tree.
   1.132 +    ///Returns the 'previous node' of the %DFS tree for the given node.
   1.133  
   1.134      ///This function returns the 'previous node' of the %DFS
   1.135      ///tree for the node \c v, i.e. it returns the last but one node
   1.136 -    ///from a %DFS path from a root to \c v. It is \c INVALID
   1.137 +    ///of a %DFS path from a root to \c v. It is \c INVALID
   1.138      ///if \c v is not reached from the root(s) or if \c v is a root.
   1.139      ///
   1.140      ///The %DFS tree used here is equal to the %DFS tree used in
   1.141 -    ///\ref predArc().
   1.142 +    ///\ref predArc() and \ref predMap().
   1.143      ///
   1.144      ///\pre Either \ref run(Node) "run()" or \ref init()
   1.145      ///must be called before using this function.
   1.146 @@ -733,13 +734,13 @@
   1.147      ///predecessor arcs.
   1.148      ///
   1.149      ///Returns a const reference to the node map that stores the predecessor
   1.150 -    ///arcs, which form the DFS tree.
   1.151 +    ///arcs, which form the DFS tree (forest).
   1.152      ///
   1.153      ///\pre Either \ref run(Node) "run()" or \ref init()
   1.154      ///must be called before using this function.
   1.155      const PredMap &predMap() const { return *_pred;}
   1.156  
   1.157 -    ///Checks if a node is reached from the root(s).
   1.158 +    ///Checks if the given node. node is reached from the root(s).
   1.159  
   1.160      ///Returns \c true if \c v is reached from the root(s).
   1.161      ///
   1.162 @@ -765,7 +766,7 @@
   1.163      ///
   1.164      ///The type of the map that stores the predecessor
   1.165      ///arcs of the %DFS paths.
   1.166 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
   1.167 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
   1.168      typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap;
   1.169      ///Instantiates a PredMap.
   1.170  
   1.171 @@ -780,7 +781,7 @@
   1.172      ///The type of the map that indicates which nodes are processed.
   1.173  
   1.174      ///The type of the map that indicates which nodes are processed.
   1.175 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
   1.176 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
   1.177      ///By default it is a NullMap.
   1.178      typedef NullMap<typename Digraph::Node,bool> ProcessedMap;
   1.179      ///Instantiates a ProcessedMap.
   1.180 @@ -800,7 +801,7 @@
   1.181      ///The type of the map that indicates which nodes are reached.
   1.182  
   1.183      ///The type of the map that indicates which nodes are reached.
   1.184 -    ///It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
   1.185 +    ///It must conform to the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
   1.186      typedef typename Digraph::template NodeMap<bool> ReachedMap;
   1.187      ///Instantiates a ReachedMap.
   1.188  
   1.189 @@ -815,7 +816,7 @@
   1.190      ///The type of the map that stores the distances of the nodes.
   1.191  
   1.192      ///The type of the map that stores the distances of the nodes.
   1.193 -    ///It must meet the \ref concepts::WriteMap "WriteMap" concept.
   1.194 +    ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
   1.195      typedef typename Digraph::template NodeMap<int> DistMap;
   1.196      ///Instantiates a DistMap.
   1.197  
   1.198 @@ -830,18 +831,14 @@
   1.199      ///The type of the DFS paths.
   1.200  
   1.201      ///The type of the DFS paths.
   1.202 -    ///It must meet the \ref concepts::Path "Path" concept.
   1.203 +    ///It must conform to the \ref concepts::Path "Path" concept.
   1.204      typedef lemon::Path<Digraph> Path;
   1.205    };
   1.206  
   1.207    /// Default traits class used by DfsWizard
   1.208  
   1.209 -  /// To make it easier to use Dfs algorithm
   1.210 -  /// we have created a wizard class.
   1.211 -  /// This \ref DfsWizard class needs default traits,
   1.212 -  /// as well as the \ref Dfs class.
   1.213 -  /// The \ref DfsWizardBase is a class to be the default traits of the
   1.214 -  /// \ref DfsWizard class.
   1.215 +  /// Default traits class used by DfsWizard.
   1.216 +  /// \tparam GR The type of the digraph.
   1.217    template<class GR>
   1.218    class DfsWizardBase : public DfsWizardDefaultTraits<GR>
   1.219    {
   1.220 @@ -869,7 +866,7 @@
   1.221      public:
   1.222      /// Constructor.
   1.223  
   1.224 -    /// This constructor does not require parameters, therefore it initiates
   1.225 +    /// This constructor does not require parameters, it initiates
   1.226      /// all of the attributes to \c 0.
   1.227      DfsWizardBase() : _g(0), _reached(0), _processed(0), _pred(0),
   1.228                        _dist(0), _path(0), _di(0) {}
   1.229 @@ -899,7 +896,6 @@
   1.230    {
   1.231      typedef TR Base;
   1.232  
   1.233 -    ///The type of the digraph the algorithm runs on.
   1.234      typedef typename TR::Digraph Digraph;
   1.235  
   1.236      typedef typename Digraph::Node Node;
   1.237 @@ -907,16 +903,10 @@
   1.238      typedef typename Digraph::Arc Arc;
   1.239      typedef typename Digraph::OutArcIt OutArcIt;
   1.240  
   1.241 -    ///\brief The type of the map that stores the predecessor
   1.242 -    ///arcs of the DFS paths.
   1.243      typedef typename TR::PredMap PredMap;
   1.244 -    ///\brief The type of the map that stores the distances of the nodes.
   1.245      typedef typename TR::DistMap DistMap;
   1.246 -    ///\brief The type of the map that indicates which nodes are reached.
   1.247      typedef typename TR::ReachedMap ReachedMap;
   1.248 -    ///\brief The type of the map that indicates which nodes are processed.
   1.249      typedef typename TR::ProcessedMap ProcessedMap;
   1.250 -    ///The type of the DFS paths
   1.251      typedef typename TR::Path Path;
   1.252  
   1.253    public:
   1.254 @@ -999,11 +989,12 @@
   1.255        static PredMap *createPredMap(const Digraph &) { return 0; };
   1.256        SetPredMapBase(const TR &b) : TR(b) {}
   1.257      };
   1.258 -    ///\brief \ref named-func-param "Named parameter"
   1.259 -    ///for setting PredMap object.
   1.260 +
   1.261 +    ///\brief \ref named-templ-param "Named parameter" for setting
   1.262 +    ///the predecessor map.
   1.263      ///
   1.264 -    ///\ref named-func-param "Named parameter"
   1.265 -    ///for setting PredMap object.
   1.266 +    ///\ref named-templ-param "Named parameter" function for setting
   1.267 +    ///the map that stores the predecessor arcs of the nodes.
   1.268      template<class T>
   1.269      DfsWizard<SetPredMapBase<T> > predMap(const T &t)
   1.270      {
   1.271 @@ -1017,11 +1008,12 @@
   1.272        static ReachedMap *createReachedMap(const Digraph &) { return 0; };
   1.273        SetReachedMapBase(const TR &b) : TR(b) {}
   1.274      };
   1.275 -    ///\brief \ref named-func-param "Named parameter"
   1.276 -    ///for setting ReachedMap object.
   1.277 +
   1.278 +    ///\brief \ref named-templ-param "Named parameter" for setting
   1.279 +    ///the reached map.
   1.280      ///
   1.281 -    /// \ref named-func-param "Named parameter"
   1.282 -    ///for setting ReachedMap object.
   1.283 +    ///\ref named-templ-param "Named parameter" function for setting
   1.284 +    ///the map that indicates which nodes are reached.
   1.285      template<class T>
   1.286      DfsWizard<SetReachedMapBase<T> > reachedMap(const T &t)
   1.287      {
   1.288 @@ -1035,11 +1027,13 @@
   1.289        static DistMap *createDistMap(const Digraph &) { return 0; };
   1.290        SetDistMapBase(const TR &b) : TR(b) {}
   1.291      };
   1.292 -    ///\brief \ref named-func-param "Named parameter"
   1.293 -    ///for setting DistMap object.
   1.294 +
   1.295 +    ///\brief \ref named-templ-param "Named parameter" for setting
   1.296 +    ///the distance map.
   1.297      ///
   1.298 -    /// \ref named-func-param "Named parameter"
   1.299 -    ///for setting DistMap object.
   1.300 +    ///\ref named-templ-param "Named parameter" function for setting
   1.301 +    ///the map that stores the distances of the nodes calculated
   1.302 +    ///by the algorithm.
   1.303      template<class T>
   1.304      DfsWizard<SetDistMapBase<T> > distMap(const T &t)
   1.305      {
   1.306 @@ -1053,11 +1047,12 @@
   1.307        static ProcessedMap *createProcessedMap(const Digraph &) { return 0; };
   1.308        SetProcessedMapBase(const TR &b) : TR(b) {}
   1.309      };
   1.310 -    ///\brief \ref named-func-param "Named parameter"
   1.311 -    ///for setting ProcessedMap object.
   1.312 +
   1.313 +    ///\brief \ref named-func-param "Named parameter" for setting
   1.314 +    ///the processed map.
   1.315      ///
   1.316 -    /// \ref named-func-param "Named parameter"
   1.317 -    ///for setting ProcessedMap object.
   1.318 +    ///\ref named-templ-param "Named parameter" function for setting
   1.319 +    ///the map that indicates which nodes are processed.
   1.320      template<class T>
   1.321      DfsWizard<SetProcessedMapBase<T> > processedMap(const T &t)
   1.322      {
   1.323 @@ -1208,7 +1203,7 @@
   1.324      /// \brief The type of the map that indicates which nodes are reached.
   1.325      ///
   1.326      /// The type of the map that indicates which nodes are reached.
   1.327 -    /// It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
   1.328 +    /// It must conform to the \ref concepts::ReadWriteMap "ReadWriteMap" concept.
   1.329      typedef typename Digraph::template NodeMap<bool> ReachedMap;
   1.330  
   1.331      /// \brief Instantiates a ReachedMap.
   1.332 @@ -1369,8 +1364,8 @@
   1.333      /// \name Execution Control
   1.334      /// The simplest way to execute the DFS algorithm is to use one of the
   1.335      /// member functions called \ref run(Node) "run()".\n
   1.336 -    /// If you need more control on the execution, first you have to call
   1.337 -    /// \ref init(), then you can add a source node with \ref addSource()
   1.338 +    /// If you need better control on the execution, you have to call
   1.339 +    /// \ref init() first, then you can add a source node with \ref addSource()
   1.340      /// and perform the actual computation with \ref start().
   1.341      /// This procedure can be repeated if there are nodes that have not
   1.342      /// been reached.
   1.343 @@ -1620,7 +1615,7 @@
   1.344  
   1.345      ///@{
   1.346  
   1.347 -    /// \brief Checks if a node is reached from the root(s).
   1.348 +    /// \brief Checks if the given node is reached from the root(s).
   1.349      ///
   1.350      /// Returns \c true if \c v is reached from the root(s).
   1.351      ///