doc/flf-graph.texi
changeset 81 6c8adcd6b482
parent 26 383e95b237c4
child 203 fc4699a76a6f
equal deleted inserted replaced
1:75eecf14a8f4 2:0a2cb5d791ac
    25 @deftpx {Type} Graph::EdgeType
    25 @deftpx {Type} Graph::EdgeType
    26 The type of the data stored statically for each node and edge.
    26 The type of the data stored statically for each node and edge.
    27 @end deftp
    27 @end deftp
    28 
    28 
    29 @anchor{Graph-NodeIterator}
    29 @anchor{Graph-NodeIterator}
    30 @deftp {Type} Graph::NodePoint
    30 @deftp {Type} Graph::NodeIt
    31 @deftpx {Type} Graph::NodeIterator
    31 @deftpx {Type} Graph::NodeIterator
    32 These types points a node uniquely. The difference between the
    32 These types points a node uniquely. The difference between the
    33 @code{NodePoint} and the @code{NodeIterator} is that @code{NodePoint}
    33 @code{NodeIt} and the @code{NodeIterator} is that @code{NodeIt}
    34 requires the graph structure itself for most of the operations.
    34 requires the graph structure itself for most of the operations.
    35 For examples using iterators you can go through all nodes as follows.
    35 For examples using iterators you can go through all nodes as follows.
    36 @quotation
    36 @quotation
    37 @verbatim
    37 @verbatim
    38 Graph G;
    38 Graph G;
    39 int nodenum=0;
    39 int nodenum=0;
    40 for(Graph::NodeIterator n(G);n.Valid();++n) ++nodenum;
    40 for(Graph::NodeIterator n(G);n.valid();++n) ++nodenum;
    41 @end verbatim
    41 @end verbatim
    42 @end quotation
    42 @end quotation
    43 Using @code{NodePoint} the last line looks like this.
    43 Using @code{NodeIt} the last line looks like this.
    44 @quotation
    44 @quotation
    45 @verbatim
    45 @verbatim
    46 for(MyGraph::NodePoint n(G);n.Valid();n=G.Next(n)) ++nodenum;
    46 for(Graph::NodeIt n(G);n.valid();n=G.next(n)) ++nodenum;
    47 @end verbatim
    47 @end verbatim
    48 @end quotation
    48 @end quotation
    49 or
    49 or
    50 @quotation
    50 @quotation
    51 @verbatim
    51 @verbatim
    52 MyGraph::NodePoint n;
    52 MyGraph::NodeIt n;
    53 for(G.GetFirst(n);G.Valid(n);G.GoNext(n)) ++nodenum;
    53 for(G.getFirst(n);G.valid(n);G.goNext(n)) ++nodenum;
    54 @end verbatim
    54 @end verbatim
    55 @end quotation
    55 @end quotation
    56 @end deftp
    56 @end deftp
    57 
    57 
    58 @deftp {Type} Graph::EdgePoint
    58 @deftp {Type} Graph::EdgeIt
    59 @deftpx {Type} Graph::InEdgePoint
    59 @deftpx {Type} Graph::InEdgeIt
    60 @deftpx {Type} Graph::OutEdgePoint
    60 @deftpx {Type} Graph::OutEdgeIt
    61 @deftpx {Type} Graph::BiEdgePoint
    61 @deftpx {Type} Graph::BiEdgeIt
    62 @deftpx {Type} Graph::SymEdgePoint
    62 @deftpx {Type} Graph::SymEdgeIt
    63 Each of these types points an edge uniquely. The difference between the
    63 Each of these types points an edge uniquely. The difference between the
    64 @code{EdgePoint} and the
    64 @code{EdgeIt} and the
    65 @c @mref{Graph-NodeIterator,@code{EdgeIterator}}
    65 @c @mref{Graph-NodeIterator,@code{EdgeIterator}}
    66 @mref{Graph-NodeIterator , EdgeIterator}
    66 @mref{Graph-NodeIterator , EdgeIterator}
    67 series is that
    67 series is that
    68 @code{EdgePoint} requires the graph structure itself for most of the
    68 @code{EdgeIt} requires the graph structure itself for most of the
    69 operations.
    69 operations.
    70 @end deftp
    70 @end deftp
    71 
    71 
    72 @anchor{Graph-EdgeIterator}
    72 @anchor{Graph-EdgeIterator}
    73 @deftp {Type} Graph::EdgeIterator
    73 @deftp {Type} Graph::EdgeIterator
    74 @deftpx {Type} Graph::InEdgeIterator
    74 @deftpx {Type} Graph::InEdgeIterator
    75 @deftpx {Type} Graph::OutEdgeIterator
    75 @deftpx {Type} Graph::OutEdgeIterator
    76 @deftpx {Type} Graph::BiEdgeIterator
    76 @deftpx {Type} Graph::BiEdgeIterator
    77 @deftpx {Type} Graph::SymEdgeIterator
    77 @deftpx {Type} Graph::SymEdgeIterator
    78 @deftpx {Type} Graph::AllEdgeIterator
    78 @deftpx {Type} Graph::EachEdgeIterator
    79 Each of these types points an edge uniquely. The difference between the
    79 Each of these types points an edge uniquely. The difference between the
    80 @code{EdgePoint} and the @code{EdgeIterator} series is that
    80 @code{EdgeIt} and the @code{EdgeIterator} series is that
    81 @code{EdgePoint} requires the graph structure itself for most of the
    81 @code{EdgeIt} requires the graph structure itself for most of the
    82 operations. 
    82 operations. 
    83 
    83 
    84 For the @code{EdgeIterator} types you can use operator @code{++}
    84 For the @code{EdgeIterator} types you can use operator @code{++}
    85 (both the prefix and the posfix one) to obtain the next edge.
    85 (both the prefix and the posfix one) to obtain the next edge.
    86 @end deftp
    86 @end deftp
   105 The copy constructor. Not yet implemented.
   105 The copy constructor. Not yet implemented.
   106 @end deftypefun
   106 @end deftypefun
   107 
   107 
   108 @subsubsection Graph Maintenence Operations
   108 @subsubsection Graph Maintenence Operations
   109 
   109 
   110 @deftypefun NodeIterator Graph::AddNode ()
   110 @deftypefun NodeIterator Graph::addNode ()
   111 Adds a new node to the graph and returns a @code{NodeIterator} pointing to it.
   111 Adds a new node to the graph and returns a @code{NodeIterator} pointing to it.
   112 @end deftypefun
   112 @end deftypefun
   113 
   113 
   114 @deftypefun EdgeIterator Graph::AddEdge (@w{const @mref{Graph-NodeIterator,NodeIterator} @var{from}}, @w{const @mref{Graph-NodeIterator,NodeIterator} @var{to}})
   114 @deftypefun EdgeIterator Graph::addEdge (@w{const @mref{Graph-NodeIterator,NodeIterator} @var{from}}, @w{const @mref{Graph-NodeIterator,NodeIterator} @var{to}})
   115 Adds a new edge with tail @var{from} and head @var{to} to the graph
   115 Adds a new edge with tail @var{from} and head @var{to} to the graph
   116 and returns an @code{EdgeIterator} pointing to it.
   116 and returns an @code{EdgeIterator} pointing to it.
   117 @end deftypefun
   117 @end deftypefun
   118 
   118 
   119 @deftypefun void Graph::Delete (@w{const @mref{Graph-NodeIterator,NodeIterator} @var{n}})
   119 @deftypefun void Graph::delete (@w{const @mref{Graph-NodeIterator,NodeIterator} @var{n}})
   120 Deletes the node @var{n}. It also deletes the adjacent edges.
   120 Deletes the node @var{n}. It also deletes the adjacent edges.
   121 @end deftypefun
   121 @end deftypefun
   122 
   122 
   123 @deftypefun void Graph::Delete (@w{const @mref{Graph-EdgeIterator,EdgeIterator} @var{e}})
   123 @deftypefun void Graph::delete (@w{const @mref{Graph-EdgeIterator,EdgeIterator} @var{e}})
   124 Deletes the edge @var{n}.
   124 Deletes the edge @var{n}.
   125 @end deftypefun
   125 @end deftypefun
   126 
   126 
   127 @deftypefun void Graph::Clean ()
   127 @deftypefun void Graph::clean ()
   128 Deletes all edges and nodes from the graph.
   128 Deletes all edges and nodes from the graph.
   129 @end deftypefun
   129 @end deftypefun
   130 
   130 
   131 @deftypefun int Graph::NodeNum ()
   131 @deftypefun int Graph::nodeNum ()
   132 Returns the number of the nodes in the graph.
   132 Returns the number of the nodes in the graph.
   133 @end deftypefun
   133 @end deftypefun
   134 
   134 
   135 @subsubsection NodePoint Operations
   135 @subsubsection NodeIt Operations
   136 
   136 
   137 @deftypefun NodePoint Graph::GetFirst (NodePoint &@var{n})
   137 @deftypefun NodeIt Graph::getFirst (NodeIt &@var{n})
   138 @deftypefunx NodePoint Graph::Next (const NodePoint @var{n})
   138 @deftypefunx NodeIt Graph::next (const NodeIt @var{n})
   139 @deftypefunx {NodePoint &} Graph::GoNext (NodePoint &@var{n})
   139 @deftypefunx {NodeIt &} Graph::goNext (NodeIt &@var{n})
   140 The nodes in the graph forms a list. @code{GetFirst(n)} sets @var{n} to
   140 The nodes in the graph forms a list. @code{GetFirst(n)} sets @var{n} to
   141 be the first node. @code{Next(n)} gives back the subsequent
   141 be the first node. @code{next(n)} gives back the subsequent
   142 node. @code{Next(n)} is equivalent to @code{n=Next(n)}, though it
   142 node. @code{Next(n)} is equivalent to @code{n=Next(n)}, though it
   143 might be faster.  ??? What should be the return value ???
   143 might be faster.  ??? What should be the return value ???
   144 @end deftypefun
   144 @end deftypefun
   145 
   145 
   146 @deftypefun bool Graph::Valid (NodePoint &@var{e})
   146 @deftypefun bool Graph::valid (NodeIt &@var{e})
   147 @deftypefunx bool NodePoint::Valid ()
   147 @deftypefunx bool NodeIt::valid ()
   148 These functions check if and NodePoint is valid or not.
   148 These functions check if and NodeIt is valid or not.
   149 ??? Which one should be implemented ???
   149 ??? Which one should be implemented ???
   150 @end deftypefun
   150 @end deftypefun
   151 
   151 
   152 @subsubsection EdgePoint Operations
   152 @subsubsection EdgeIt Operations
   153 
   153 
   154 @deftypefun AllEdgePoint Graph::GetFirst (const AllEdgePoint & @var{e})
   154 @deftypefun EachEdgeIt Graph::getFirst (const EachEdgeIt & @var{e})
   155 @deftypefunx AllEdgePoint Graph::Next (const AllEdgePoint @var{n})
   155 @deftypefunx EachEdgeIt Graph::next (const EachEdgeIt @var{n})
   156 @deftypefunx {AllEdgePoint &} Graph::GoNext (AllEdgePoint &@var{n})
   156 @deftypefunx {EachEdgeIt &} Graph::goNext (EachEdgeIt &@var{n})
   157 With these functions you can go though all the edges of the graph.
   157 With these functions you can go though all the edges of the graph.
   158 ??? What should be the return value ???
   158 ??? What should be the return value ???
   159 @end deftypefun
   159 @end deftypefun
   160 
   160 
   161 @deftypefun InEdgePoint Graph::GetFirst (const InEdgePoint & @var{e}, const NodePoint @var{n})
   161 @deftypefun InEdgeIt Graph::getFirst (const InEdgeIt & @var{e}, const NodeIt @var{n})
   162 @deftypefunx OutEdgePoint Graph::GetFirst (const OutEdgePoint & @var{e}, const NodePoint @var{n})
   162 @deftypefunx OutEdgeIt Graph::getFirst (const OutEdgeIt & @var{e}, const NodeIt @var{n})
   163 @deftypefunx SymEdgePoint Graph::GetFirst (const SymEdgePoint & @var{e}, const NodePoint @var{n})
   163 @deftypefunx SymEdgeIt Graph::getFirst (const SymEdgeIt & @var{e}, const NodeIt @var{n})
   164 The edges leaving from, arriving at or adjacent with a node forms a
   164 The edges leaving from, arriving at or adjacent with a node forms a
   165 list.  These functions give back the first elements of these
   165 list.  These functions give back the first elements of these
   166 lists. The exact behavior depends on the type of @var{e}.
   166 lists. The exact behavior depends on the type of @var{e}.
   167 
   167 
   168 If @var{e} is an @code{InEdgePoint} or an @code{OutEdgePoint} then
   168 If @var{e} is an @code{InEdgeIt} or an @code{OutEdgeIt} then
   169 @code{GetFirst} sets @var{e} to be the first incoming or outgoing edge
   169 @code{getFirst} sets @var{e} to be the first incoming or outgoing edge
   170 of the node @var{n}, respectively.
   170 of the node @var{n}, respectively.
   171 
   171 
   172 If @var{e} is a @code{SymEdgePoint} then
   172 If @var{e} is a @code{SymEdgeIt} then
   173 @code{GetFirst} sets @var{e} to be the first incoming if there exists one
   173 @code{getFirst} sets @var{e} to be the first incoming if there exists one
   174 otherwise the first outgoing edge.
   174 otherwise the first outgoing edge.
   175 
   175 
   176 If there are no such edges, @var{e} will be invalid.
   176 If there are no such edges, @var{e} will be invalid.
   177 
   177 
   178 @end deftypefun
   178 @end deftypefun
   179 
   179 
   180 @deftypefun InEdgePoint Graph::Next (const InEdgePoint @var{e})
   180 @deftypefun InEdgeIt Graph::next (const InEdgeIt @var{e})
   181 @deftypefunx OutEdgePoint Graph::Next (const OutEdgePoint @var{e})
   181 @deftypefunx OutEdgeIt Graph::next (const OutEdgeIt @var{e})
   182 @deftypefunx SymEdgePoint Graph::Next (const SymEdgePoint @var{e})
   182 @deftypefunx SymEdgeIt Graph::next (const SymEdgeIt @var{e})
   183 These functions give back the edge that follows @var{e}
   183 These functions give back the edge that follows @var{e}
   184 @end deftypefun
   184 @end deftypefun
   185 
   185 
   186 @deftypefun {InEdgePoint &} Graph::GoNext (InEdgePoint &@var{e})
   186 @deftypefun {InEdgeIt &} Graph::goNext (InEdgeIt &@var{e})
   187 @deftypefunx {OutEdgePoint &} Graph::GoNext (OutEdgePoint &@var{e})
   187 @deftypefunx {OutEdgeIt &} Graph::goNext (OutEdgeIt &@var{e})
   188 @deftypefunx {SymEdgePoint &} Graph::GoNext (SymEdgePoint &@var{e})
   188 @deftypefunx {SymEdgeIt &} Graph::goNext (SymEdgeIt &@var{e})
   189 @code{G.GoNext(e)} is equivalent to @code{e=G.Next(e)}, though it
   189 @code{G.goNext(e)} is equivalent to @code{e=G.next(e)}, though it
   190 might be faster.
   190 might be faster.
   191 ??? What should be the return value ???
   191 ??? What should be the return value ???
   192 @end deftypefun
   192 @end deftypefun
   193 
   193 
   194 @deftypefun bool Graph::Valid (EdgePoint &@var{e})
   194 @deftypefun bool Graph::valid (EdgeIt &@var{e})
   195 @deftypefunx bool EdgePoint::Valid ()
   195 @deftypefunx bool EdgeIt::valid ()
   196 These functions check if and EdgePoint is valid or not.
   196 These functions check if and EdgeIt is valid or not.
   197 ??? Which one should be implemented ???
   197 ??? Which one should be implemented ???
   198 @end deftypefun
   198 @end deftypefun
   199 
   199 
   200 @deftypefun NodePoint Graph::From (const EdgePoint @var{e})
   200 @deftypefun NodeIt Graph::tail (const EdgeIt @var{e})
   201 @deftypefunx NodePoint Graph::To (const EdgePoint @var{e})
   201 @deftypefunx NodeIt Graph::head (const EdgeIt @var{e})
   202 @deftypefunx NodePoint Graph::ANode (const InEdgePoint @var{e})
   202 @deftypefunx NodeIt Graph::aNode (const InEdgeIt @var{e})
   203 @deftypefunx NodePoint Graph::ANode (const OutEdgePoint @var{e})
   203 @deftypefunx NodeIt Graph::aNode (const OutEdgeIt @var{e})
   204 @deftypefunx NodePoint Graph::ANode (const SymEdgePoint @var{e})
   204 @deftypefunx NodeIt Graph::aNode (const SymEdgeIt @var{e})
   205 @deftypefunx NodePoint Graph::BNode (const InEdgePoint @var{e})
   205 @deftypefunx NodeIt Graph::bNode (const InEdgeIt @var{e})
   206 @deftypefunx NodePoint Graph::BNode (const OutEdgePoint @var{e})
   206 @deftypefunx NodeIt Graph::bNode (const OutEdgeIt @var{e})
   207 @deftypefunx NodePoint Graph::BNode (const SymEdgePoint @var{e})
   207 @deftypefunx NodeIt Graph::bNode (const SymEdgeIt @var{e})
   208 There queries give back the two endpoints of the edge @var{e}.  For a
   208 There queries give back the two endpoints of the edge @var{e}.  For a
   209 directed edge @var{e}, @code{From(e)} and @code{To(e)} is its tail and
   209 directed edge @var{e}, @code{tail(e)} and @code{head(e)} is its tail and
   210 its head, respectively. For an undirected @var{e}, they are two
   210 its head, respectively. For an undirected @var{e}, they are two
   211 endpoints, but you should not rely on which end is which.
   211 endpoints, but you should not rely on which end is which.
   212 
   212 
   213 @code{ANode(e)} is the node which @var{e} is bounded to, i.e. it is
   213 @code{aNode(e)} is the node which @var{e} is bounded to, i.e. it is
   214 equal to @code{From(e)} if @var{e} is an @code{OutEdgePoint} and
   214 equal to @code{tail(e)} if @var{e} is an @code{OutEdgeIt} and
   215 @code{To(e)} if @var{e} is an @code{InEdgePoint}. If @var{e} is a
   215 @code{head(e)} if @var{e} is an @code{InEdgeIt}. If @var{e} is a
   216 @code{SymEdgePoint} and it or its first preceding edge was created by
   216 @code{SymEdgeIt} and it or its first preceding edge was created by
   217 @code{GetFirst(e,n)}, then @code{ANode(e)} is equal to @var{n}.
   217 @code{getFirst(e,n)}, then @code{aNode(e)} is equal to @var{n}.
   218 
   218 
   219 @code{BNode(e)} is the other end of the edge.
   219 @code{bNode(e)} is the other end of the edge.
   220 
   220 
   221 ???It it implemented in an other way now. (Member function <-> Graph global)???
   221 ???It is implemented in an other way now. (Member function <-> Graph global)???
   222 @end deftypefun
   222 @end deftypefun
   223 
   223 
   224 
   224 
   225 
   225 
   226 @c @deftypevar int from
   226 @c @deftypevar int from