lemon/full_graph.h
changeset 1794 79397d64f742
parent 1726 f214631ea1ac
child 1820 22099ef840d7
equal deleted inserted replaced
7:085e1e2055e0 8:30b16124eb2a
    21 
    21 
    22 
    22 
    23 #include <lemon/bits/iterable_graph_extender.h>
    23 #include <lemon/bits/iterable_graph_extender.h>
    24 #include <lemon/bits/alteration_notifier.h>
    24 #include <lemon/bits/alteration_notifier.h>
    25 #include <lemon/bits/static_map.h>
    25 #include <lemon/bits/static_map.h>
    26 
    26 #include <lemon/bits/graph_extender.h>
    27 #include <lemon/bits/undir_graph_extender.h>
       
    28 
    27 
    29 #include <lemon/invalid.h>
    28 #include <lemon/invalid.h>
    30 #include <lemon/utility.h>
    29 #include <lemon/utility.h>
    31 
    30 
    32 
    31 
    68 
    67 
    69     /// Maximum node ID.
    68     /// Maximum node ID.
    70     
    69     
    71     /// Maximum node ID.
    70     /// Maximum node ID.
    72     ///\sa id(Node)
    71     ///\sa id(Node)
    73     int maxId(Node = INVALID) const { return _nodeNum-1; }
    72     int maxNodeId() const { return _nodeNum-1; }
    74     /// Maximum edge ID.
    73     /// Maximum edge ID.
    75     
    74     
    76     /// Maximum edge ID.
    75     /// Maximum edge ID.
    77     ///\sa id(Edge)
    76     ///\sa id(Edge)
    78     int maxId(Edge = INVALID) const { return _edgeNum-1; }
    77     int maxEdgeId() const { return _edgeNum-1; }
    79 
    78 
    80     Node source(Edge e) const { return e.id % _nodeNum; }
    79     Node source(Edge e) const { return e.id % _nodeNum; }
    81     Node target(Edge e) const { return e.id / _nodeNum; }
    80     Node target(Edge e) const { return e.id / _nodeNum; }
    82 
    81 
    83 
    82 
    99     ///
    98     ///
   100     /// The ID of the \ref INVALID edge is -1.
    99     /// The ID of the \ref INVALID edge is -1.
   101     ///\return The ID of the edge \c e. 
   100     ///\return The ID of the edge \c e. 
   102     static int id(Edge e) { return e.id; }
   101     static int id(Edge e) { return e.id; }
   103 
   102 
   104     static Node fromId(int id, Node) { return Node(id);}
   103     static Node nodeFromId(int id) { return Node(id);}
   105     
   104     
   106     static Edge fromId(int id, Edge) { return Edge(id);}
   105     static Edge edgeFromId(int id) { return Edge(id);}
   107 
   106 
   108     typedef True FindEdgeTag;
   107     typedef True FindEdgeTag;
   109 
   108 
   110     /// Finds an edge between two nodes.
   109     /// Finds an edge between two nodes.
   111     
   110     
   188       if (edge.id % _nodeNum == 0) edge.id = -1;
   187       if (edge.id % _nodeNum == 0) edge.id = -1;
   189     }
   188     }
   190 
   189 
   191   };
   190   };
   192 
   191 
   193 
       
   194   typedef AlterableGraphExtender<FullGraphBase> 
       
   195   AlterableFullGraphBase;
       
   196   typedef IterableGraphExtender<AlterableFullGraphBase> 
       
   197   IterableFullGraphBase;
       
   198   typedef StaticMappableGraphExtender<
   192   typedef StaticMappableGraphExtender<
   199     IterableGraphExtender<
   193     IterableGraphExtender<
   200     AlterableGraphExtender<FullGraphBase> > > ExtendedFullGraphBase;
   194     AlterableGraphExtender<
       
   195     GraphExtender<FullGraphBase> > > > ExtendedFullGraphBase;
   201 
   196 
   202   /// \ingroup graphs
   197   /// \ingroup graphs
   203   ///
   198   ///
   204   /// \brief A full graph class.
   199   /// \brief A full graph class.
   205   ///
   200   ///
   215   public:
   210   public:
   216 
   211 
   217     FullGraph(int n) { construct(n); }
   212     FullGraph(int n) { construct(n); }
   218   };
   213   };
   219 
   214 
   220   ///@}
       
   221 
   215 
   222   class UndirFullGraphBase {
   216   class UndirFullGraphBase {
   223     int _nodeNum;
   217     int _nodeNum;
   224     int _edgeNum;
   218     int _edgeNum;
   225   public:
   219   public:
   250 
   244 
   251     /// Maximum node ID.
   245     /// Maximum node ID.
   252     
   246     
   253     /// Maximum node ID.
   247     /// Maximum node ID.
   254     ///\sa id(Node)
   248     ///\sa id(Node)
   255     int maxId(Node = INVALID) const { return _nodeNum-1; }
   249     int maxNodeId() const { return _nodeNum-1; }
   256     /// Maximum edge ID.
   250     /// Maximum edge ID.
   257     
   251     
   258     /// Maximum edge ID.
   252     /// Maximum edge ID.
   259     ///\sa id(Edge)
   253     ///\sa id(Edge)
   260     int maxId(Edge = INVALID) const { return _edgeNum-1; }
   254     int maxEdgeId() const { return _edgeNum-1; }
   261 
   255 
   262     Node source(Edge e) const { 
   256     Node source(Edge e) const { 
   263       /// \todo we may do it faster
   257       /// \todo we may do it faster
   264       return Node(((int)sqrt((double)(1 + 8 * e.id)) + 1) / 2);
   258       return Node(((int)sqrt((double)(1 + 8 * e.id)) + 1) / 2);
   265     }
   259     }