src/work/marci/experiment/graph_wrapper_1.h
changeset 1365 c280de819a73
parent 1364 ee5959aa4410
child 1366 d00b85f8be45
     1.1 --- a/src/work/marci/experiment/graph_wrapper_1.h	Sun Apr 17 18:57:22 2005 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,1348 +0,0 @@
     1.4 -// -*- c++ -*-
     1.5 -#ifndef LEMON_GRAPH_WRAPPER_H
     1.6 -#define LEMON_GRAPH_WRAPPER_H
     1.7 -
     1.8 -#include <invalid.h>
     1.9 -
    1.10 -namespace lemon {
    1.11 -
    1.12 -  template<typename Graph>
    1.13 -  class TrivGraphWrapper {
    1.14 -  protected:
    1.15 -    Graph* graph;
    1.16 -  
    1.17 -  public:
    1.18 -    typedef Graph BaseGraph;
    1.19 -
    1.20 -//     TrivGraphWrapper() : graph(0) { }
    1.21 -    TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }
    1.22 -//     void setGraph(Graph& _graph) { graph = &_graph; }
    1.23 -//     Graph& getGraph() const { return *graph; }
    1.24 -
    1.25 -    typedef typename Graph::Node Node;
    1.26 -    class NodeIt : public Graph::NodeIt { 
    1.27 -    public:
    1.28 -      NodeIt() { }
    1.29 -      NodeIt(const typename Graph::NodeIt& n) : Graph::NodeIt(n) { }
    1.30 -      NodeIt(const Invalid& i) : Graph::NodeIt(i) { }
    1.31 -      NodeIt(const TrivGraphWrapper<Graph>& _G) : 
    1.32 -	Graph::NodeIt(*(_G.graph)) { }
    1.33 -    };
    1.34 -    typedef typename Graph::Edge Edge;
    1.35 -    class OutEdgeIt : public Graph::OutEdgeIt { 
    1.36 -    public:
    1.37 -      OutEdgeIt() { }
    1.38 -      OutEdgeIt(const typename Graph::OutEdgeIt& e) : Graph::OutEdgeIt(e) { }
    1.39 -      OutEdgeIt(const Invalid& i) : Graph::OutEdgeIt(i) { }
    1.40 -      OutEdgeIt(const TrivGraphWrapper<Graph>& _G, const Node& n) : 
    1.41 -	Graph::OutEdgeIt(*(_G.graph), n) { }
    1.42 -    };
    1.43 -    class InEdgeIt : public Graph::InEdgeIt { 
    1.44 -    public:
    1.45 -      InEdgeIt() { }
    1.46 -      InEdgeIt(const typename Graph::InEdgeIt& e) : Graph::InEdgeIt(e) { }
    1.47 -      InEdgeIt(const Invalid& i) : Graph::InEdgeIt(i) { }
    1.48 -      InEdgeIt(const TrivGraphWrapper<Graph>& _G, const Node& n) : 
    1.49 -	Graph::InEdgeIt(*(_G.graph), n) { }
    1.50 -    };
    1.51 -    //typedef typename Graph::SymEdgeIt SymEdgeIt;
    1.52 -    class EdgeIt : public Graph::EdgeIt { 
    1.53 -    public:
    1.54 -      EdgeIt() { }
    1.55 -      EdgeIt(const typename Graph::EdgeIt& e) : Graph::EdgeIt(e) { }
    1.56 -      EdgeIt(const Invalid& i) : Graph::EdgeIt(i) { }
    1.57 -      EdgeIt(const TrivGraphWrapper<Graph>& _G) : 
    1.58 -	Graph::EdgeIt(*(_G.graph)) { }
    1.59 -    };
    1.60 -
    1.61 -    NodeIt& first(NodeIt& i) const { 
    1.62 -      i=NodeIt(*this);
    1.63 -      return i;
    1.64 -    }
    1.65 -    EdgeIt& first(EdgeIt& i) const { 
    1.66 -      i=EdgeIt(*this);
    1.67 -      return i;
    1.68 -    }
    1.69 -//     template<typename I> I& first(I& i) const { 
    1.70 -//       i=I(*this);
    1.71 -//       return i;
    1.72 -//     }
    1.73 -    OutEdgeIt& first(OutEdgeIt& i, const Node& p) const { 
    1.74 -      i=OutEdgeIt(*this, p);
    1.75 -      return i;
    1.76 -    }
    1.77 -    InEdgeIt& first(InEdgeIt& i, const Node& p) const { 
    1.78 -      i=InEdgeIt(*this, p);
    1.79 -      return i;
    1.80 -    }
    1.81 -//     template<typename I, typename P> I& first(I& i, const P& p) const { 
    1.82 -//       i=I(*this, p);
    1.83 -//       return i;
    1.84 -//     }
    1.85 -    
    1.86 -//    template<typename I> I getNext(const I& i) const { 
    1.87 -//      return graph->getNext(i); }
    1.88 -    template<typename I> I& next(I &i) const { graph->next(i); return i; }    
    1.89 -
    1.90 -    template< typename It > It first() const { 
    1.91 -      It e; this->first(e); return e; }
    1.92 -
    1.93 -    template< typename It > It first(const Node& v) const { 
    1.94 -      It e; this->first(e, v); return e; }
    1.95 -
    1.96 -    Node target(const Edge& e) const { return graph->target(e); }
    1.97 -    Node source(const Edge& e) const { return graph->source(e); }
    1.98 -
    1.99 -    template<typename I> bool valid(const I& i) const { 
   1.100 -      return graph->valid(i); }
   1.101 -  
   1.102 -    //template<typename I> void setInvalid(const I &i);
   1.103 -    //{ return graph->setInvalid(i); }
   1.104 -
   1.105 -    int nodeNum() const { return graph->nodeNum(); }
   1.106 -    int edgeNum() const { return graph->edgeNum(); }
   1.107 -  
   1.108 -    template<typename I> Node aNode(const I& e) const { 
   1.109 -      return graph->aNode(e); }
   1.110 -    template<typename I> Node bNode(const I& e) const { 
   1.111 -      return graph->bNode(e); }
   1.112 -  
   1.113 -    Node addNode() const { return graph->addNode(); }
   1.114 -    Edge addEdge(const Node& source, const Node& target) const { 
   1.115 -      return graph->addEdge(source, target); }
   1.116 -  
   1.117 -    template<typename I> void erase(const I& i) const { graph->erase(i); }
   1.118 -  
   1.119 -    void clear() const { graph->clear(); }
   1.120 -    
   1.121 -    template<typename T> class NodeMap : public Graph::NodeMap<T> { 
   1.122 -    public:
   1.123 -      NodeMap(const TrivGraphWrapper<Graph>& _G) :  
   1.124 -	Graph::NodeMap<T>(*(_G.graph)) { }
   1.125 -      NodeMap(const TrivGraphWrapper<Graph>& _G, T a) : 
   1.126 -	Graph::NodeMap<T>(*(_G.graph), a) { }
   1.127 -    };
   1.128 -
   1.129 -    template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
   1.130 -    public:
   1.131 -      EdgeMap(const TrivGraphWrapper<Graph>& _G) :  
   1.132 -	Graph::EdgeMap<T>(*(_G.graph)) { }
   1.133 -      EdgeMap(const TrivGraphWrapper<Graph>& _G, T a) : 
   1.134 -	Graph::EdgeMap<T>(*(_G.graph), a) { }
   1.135 -    };
   1.136 -
   1.137 -    template<typename Map, typename T> class NodeMapWrapper {
   1.138 -    protected:
   1.139 -      Map* map;
   1.140 -    public:
   1.141 -      NodeMapWrapper(Map& _map) : map(&_map) { }
   1.142 -      void set(Node n, T a) { map->set(n, a); }
   1.143 -      T get(Node n) const { return map->get(n); }
   1.144 -    };
   1.145 -
   1.146 -    template<typename Map, typename T> class EdgeMapWrapper {
   1.147 -    protected:
   1.148 -      Map* map;
   1.149 -    public:
   1.150 -      EdgeMapWrapper(Map& _map) : map(&_map) { }
   1.151 -      void set(Edge n, T a) { map->set(n, a); }
   1.152 -      T get(Edge n) const { return map->get(n); }
   1.153 -    };
   1.154 -  };
   1.155 -
   1.156 -
   1.157 -  template<typename Graph>
   1.158 -  class GraphWrapper {
   1.159 -  protected:
   1.160 -    Graph* graph;
   1.161 -  
   1.162 -  public:
   1.163 -    typedef Graph BaseGraph;
   1.164 -
   1.165 -//     GraphWrapper() : graph(0) { }
   1.166 -    GraphWrapper(Graph& _graph) : graph(&_graph) { }
   1.167 -//     void setGraph(Graph& _graph) { graph=&_graph; }
   1.168 -//     Graph& getGraph() const { return *graph; }
   1.169 - 
   1.170 -    typedef typename Graph::Node Node;
   1.171 -    class NodeIt : public Graph::NodeIt { 
   1.172 -    public:
   1.173 -      NodeIt() { }
   1.174 -      NodeIt(const typename Graph::NodeIt& n) : Graph::NodeIt(n) { }
   1.175 -      NodeIt(const Invalid& i) : Graph::NodeIt(i) { }
   1.176 -      NodeIt(const GraphWrapper<Graph>& _G) : 
   1.177 -	Graph::NodeIt(*(_G.graph)) { }
   1.178 -    };
   1.179 -    typedef typename Graph::Edge Edge;
   1.180 -    class OutEdgeIt : public Graph::OutEdgeIt { 
   1.181 -    public:
   1.182 -      OutEdgeIt() { }
   1.183 -      OutEdgeIt(const typename Graph::OutEdgeIt& e) : Graph::OutEdgeIt(e) { }
   1.184 -      OutEdgeIt(const Invalid& i) : Graph::OutEdgeIt(i) { }
   1.185 -      OutEdgeIt(const GraphWrapper<Graph>& _G, const Node& n) : 
   1.186 -	Graph::OutEdgeIt(*(_G.graph), n) { }
   1.187 -    };
   1.188 -    class InEdgeIt : public Graph::InEdgeIt { 
   1.189 -    public:
   1.190 -      InEdgeIt() { }
   1.191 -      InEdgeIt(const typename Graph::InEdgeIt& e) : Graph::InEdgeIt(e) { }
   1.192 -      InEdgeIt(const Invalid& i) : Graph::InEdgeIt(i) { }
   1.193 -      InEdgeIt(const GraphWrapper<Graph>& _G, const Node& n) : 
   1.194 -	Graph::InEdgeIt(*(_G.graph), n) { }
   1.195 -    };
   1.196 -    //typedef typename Graph::SymEdgeIt SymEdgeIt;
   1.197 -    class EdgeIt : public Graph::EdgeIt { 
   1.198 -    public:
   1.199 -      EdgeIt() { }
   1.200 -      EdgeIt(const typename Graph::EdgeIt& e) : Graph::EdgeIt(e) { }
   1.201 -      EdgeIt(const Invalid& i) : Graph::EdgeIt(i) { }
   1.202 -      EdgeIt(const GraphWrapper<Graph>& _G) : 
   1.203 -	Graph::EdgeIt(*(_G.graph)) { }
   1.204 -    };
   1.205 -   
   1.206 -    NodeIt& first(NodeIt& i) const { 
   1.207 -      i=NodeIt(*this);
   1.208 -      return i;
   1.209 -    }
   1.210 -    EdgeIt& first(EdgeIt& i) const { 
   1.211 -      i=EdgeIt(*this);
   1.212 -      return i;
   1.213 -    }
   1.214 -//     template<typename I> I& first(I& i) const {       
   1.215 -//       i=I(*this);
   1.216 -//       return i;
   1.217 -//     }
   1.218 -    OutEdgeIt& first(OutEdgeIt& i, const Node& p) const { 
   1.219 -      i=OutEdgeIt(*this, p);
   1.220 -      return i;
   1.221 -    }
   1.222 -    InEdgeIt& first(InEdgeIt& i, const Node& p) const { 
   1.223 -      i=InEdgeIt(*this, p);
   1.224 -      return i;
   1.225 -    }
   1.226 -//     template<typename I, typename P> I& first(I& i, const P& p) const { 
   1.227 -//       i=I(*this, p);
   1.228 -//       return i; 
   1.229 -//     }
   1.230 -    
   1.231 -//    template<typename I> I getNext(const I& i) const { 
   1.232 -//      return gw.getNext(i); }
   1.233 -    template<typename I> I& next(I &i) const { graph->next(i); return i; }    
   1.234 -
   1.235 -    template< typename It > It first() const { 
   1.236 -      It e; this->first(e); return e; }
   1.237 -
   1.238 -    template< typename It > It first(const Node& v) const { 
   1.239 -      It e; this->first(e, v); return e; }
   1.240 -
   1.241 -    Node target(const Edge& e) const { return graph->target(e); }
   1.242 -    Node source(const Edge& e) const { return graph->source(e); }
   1.243 -
   1.244 -    template<typename I> bool valid(const I& i) const { 
   1.245 -      return graph->valid(i); }
   1.246 -  
   1.247 -    //template<typename I> void setInvalid(const I &i);
   1.248 -    //{ return graph->setInvalid(i); }
   1.249 -
   1.250 -    int nodeNum() const { return graph->nodeNum(); }
   1.251 -    int edgeNum() const { return graph->edgeNum(); }
   1.252 -  
   1.253 -    template<typename I> Node aNode(const I& e) const { 
   1.254 -      return graph->aNode(e); }
   1.255 -    template<typename I> Node bNode(const I& e) const { 
   1.256 -      return graph->bNode(e); }
   1.257 -  
   1.258 -    Node addNode() const { return graph->addNode(); }
   1.259 -    Edge addEdge(const Node& source, const Node& target) const { 
   1.260 -      return graph->addEdge(source, target); }
   1.261 -  
   1.262 -    template<typename I> void erase(const I& i) const { graph->erase(i); }
   1.263 -  
   1.264 -    void clear() const { graph->clear(); }
   1.265 -    
   1.266 -    template<typename T> class NodeMap : public Graph::NodeMap<T> { 
   1.267 -    public:
   1.268 -      NodeMap(const GraphWrapper<Graph>& _G) :  
   1.269 -	Graph::NodeMap<T>(*(_G.graph)) { }
   1.270 -      NodeMap(const GraphWrapper<Graph>& _G, T a) : 
   1.271 -	Graph::NodeMap<T>(*(_G.graph), a) { }
   1.272 -    };
   1.273 -
   1.274 -    template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
   1.275 -    public:
   1.276 -      EdgeMap(const GraphWrapper<Graph>& _G) :  
   1.277 -	Graph::EdgeMap<T>(*(_G.graph)) { }
   1.278 -      EdgeMap(const GraphWrapper<Graph>& _G, T a) : 
   1.279 -	Graph::EdgeMap<T>(*(_G.graph), a) { }
   1.280 -    };
   1.281 -  };
   1.282 -
   1.283 -
   1.284 -//   template<typename Graph>
   1.285 -//   class RevGraphWrapper
   1.286 -//   {
   1.287 -//   protected:
   1.288 -//     Graph* graph;
   1.289 -  
   1.290 -//   public:
   1.291 -//     typedef Graph BaseGraph;
   1.292 -
   1.293 -//     typedef typename Graph::Node Node;    
   1.294 -//     typedef typename Graph::NodeIt NodeIt;
   1.295 -  
   1.296 -//     typedef typename Graph::Edge Edge;
   1.297 -//     typedef typename Graph::OutEdgeIt InEdgeIt;
   1.298 -//     typedef typename Graph::InEdgeIt OutEdgeIt;
   1.299 -//     //typedef typename Graph::SymEdgeIt SymEdgeIt;
   1.300 -//     typedef typename Graph::EdgeIt EdgeIt;
   1.301 -
   1.302 -//     //RevGraphWrapper() : graph(0) { }
   1.303 -//     RevGraphWrapper(Graph& _graph) : graph(&_graph) { }
   1.304 -
   1.305 -//     void setGraph(Graph& _graph) { graph = &_graph; }
   1.306 -//     Graph& getGraph() const { return (*graph); }
   1.307 -    
   1.308 -//     template<typename I> I& first(I& i) const { return graph->first(i); }
   1.309 -//     template<typename I, typename P> I& first(I& i, const P& p) const { 
   1.310 -//       return graph->first(i, p); }
   1.311 -
   1.312 -//     template<typename I> I getNext(const I& i) const { 
   1.313 -//       return graph->getNext(i); }
   1.314 -//     template<typename I> I& next(I &i) const { return graph->next(i); }    
   1.315 -
   1.316 -//     template< typename It > It first() const { 
   1.317 -//       It e; first(e); return e; }
   1.318 -
   1.319 -//     template< typename It > It first(const Node& v) const { 
   1.320 -//       It e; first(e, v); return e; }
   1.321 -
   1.322 -//     Node target(const Edge& e) const { return graph->source(e); }
   1.323 -//     Node source(const Edge& e) const { return graph->target(e); }
   1.324 -  
   1.325 -//     template<typename I> bool valid(const I& i) const 
   1.326 -//       { return graph->valid(i); }
   1.327 -  
   1.328 -//     //template<typename I> void setInvalid(const I &i);
   1.329 -//     //{ return graph->setInvalid(i); }
   1.330 -  
   1.331 -//     template<typename I> Node aNode(const I& e) const { 
   1.332 -//       return graph->aNode(e); }
   1.333 -//     template<typename I> Node bNode(const I& e) const { 
   1.334 -//       return graph->bNode(e); }
   1.335 -
   1.336 -//     Node addNode() const { return graph->addNode(); }
   1.337 -//     Edge addEdge(const Node& source, const Node& target) const { 
   1.338 -//       return graph->addEdge(source, target); }
   1.339 -  
   1.340 -//     int nodeNum() const { return graph->nodeNum(); }
   1.341 -//     int edgeNum() const { return graph->edgeNum(); }
   1.342 -  
   1.343 -//     template<typename I> void erase(const I& i) const { graph->erase(i); }
   1.344 -  
   1.345 -//     void clear() const { graph->clear(); }
   1.346 -
   1.347 -//     template<typename T> class NodeMap : public Graph::NodeMap<T> { 
   1.348 -//     public:
   1.349 -//       NodeMap(const RevGraphWrapper<Graph>& _G) : 
   1.350 -// 	Graph::NodeMap<T>(_G.getGraph()) { }
   1.351 -//       NodeMap(const RevGraphWrapper<Graph>& _G, T a) : 
   1.352 -// 	Graph::NodeMap<T>(_G.getGraph(), a) { }
   1.353 -//     };
   1.354 -
   1.355 -//     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
   1.356 -//     public:
   1.357 -//       EdgeMap(const RevGraphWrapper<Graph>& _G) : 
   1.358 -// 	Graph::EdgeMap<T>(_G.getGraph()) { }
   1.359 -//       EdgeMap(const RevGraphWrapper<Graph>& _G, T a) : 
   1.360 -// 	Graph::EdgeMap<T>(_G.getGraph(), a) { }
   1.361 -//     };
   1.362 -//   };
   1.363 -
   1.364 -
   1.365 -  template<typename Graph>
   1.366 -  class RevGraphWrapper : public GraphWrapper<Graph> {
   1.367 -  public:
   1.368 -    typedef typename GraphWrapper<Graph>::Node Node;
   1.369 -    typedef typename GraphWrapper<Graph>::Edge Edge;
   1.370 -    //FIXME 
   1.371 -    //If Graph::OutEdgeIt is not defined
   1.372 -    //and we do not want to use RevGraphWrapper::InEdgeIt,
   1.373 -    //this won't work, because of typedef
   1.374 -    //OR
   1.375 -    //graphs have to define their non-existing iterators to void
   1.376 -    //Unfortunately all the typedefs are instantiated in templates, 
   1.377 -    //unlike other stuff
   1.378 -    typedef typename GraphWrapper<Graph>::OutEdgeIt InEdgeIt;
   1.379 -    typedef typename GraphWrapper<Graph>::InEdgeIt OutEdgeIt;
   1.380 -
   1.381 -//     RevGraphWrapper() : GraphWrapper<Graph>() { }
   1.382 -    RevGraphWrapper(Graph& _graph) : GraphWrapper<Graph>(_graph) { }  
   1.383 -
   1.384 -    Node target(const Edge& e) const 
   1.385 -      { return GraphWrapper<Graph>::source(e); }
   1.386 -    Node source(const Edge& e) const 
   1.387 -      { return GraphWrapper<Graph>::target(e); }
   1.388 -  };
   1.389 -
   1.390 -  //Subgraph on the same node-set and partial edge-set
   1.391 -  template<typename Graph, typename EdgeFilterMap>
   1.392 -  class SubGraphWrapper : public GraphWrapper<Graph> {
   1.393 -  protected:
   1.394 -    EdgeFilterMap* filter_map;
   1.395 -  public:
   1.396 -    typedef typename GraphWrapper<Graph>::Node Node;
   1.397 -    typedef typename GraphWrapper<Graph>::NodeIt NodeIt;
   1.398 -    typedef typename GraphWrapper<Graph>::Edge Edge;
   1.399 -    typedef typename GraphWrapper<Graph>::EdgeIt EdgeIt;
   1.400 -    typedef typename GraphWrapper<Graph>::InEdgeIt InEdgeIt;
   1.401 -    typedef typename GraphWrapper<Graph>::OutEdgeIt OutEdgeIt;
   1.402 -
   1.403 -//     SubGraphWrapper() : GraphWrapper<Graph>(), filter_map(0) { }
   1.404 -    SubGraphWrapper(Graph& _graph, EdgeFilterMap& _filter_map) : 
   1.405 -      GraphWrapper<Graph>(_graph), filter_map(&_filter_map) { }  
   1.406 -
   1.407 -    template<typename I> I& first(I& i) const { 
   1.408 -      graph->first(i); 
   1.409 -      while (graph->valid(i) && !filter_map->get(i)) { graph->next(i); }
   1.410 -      return i;
   1.411 -    }
   1.412 -    template<typename I, typename P> I& first(I& i, const P& p) const { 
   1.413 -      graph->first(i, p); 
   1.414 -      while (graph->valid(i) && !filter_map->get(i)) { graph->next(i); }
   1.415 -      return i;
   1.416 -    }
   1.417 -    
   1.418 -    //template<typename I> I getNext(const I& i) const { 
   1.419 -    //  return gw.getNext(i); 
   1.420 -    //}
   1.421 -    template<typename I> I& next(I &i) const { 
   1.422 -      graph->next(i); 
   1.423 -      while (graph->valid(i) && !filter_map->get(i)) { graph->next(i); }
   1.424 -      return i;
   1.425 -    }
   1.426 -    
   1.427 -    template< typename It > It first() const { 
   1.428 -      It e; this->first(e); return e; }
   1.429 -    
   1.430 -    template< typename It > It first(const Node& v) const { 
   1.431 -      It e; this->first(e, v); return e; }
   1.432 -  };
   1.433 -
   1.434 -//   template<typename GraphWrapper>
   1.435 -//   class UndirGraphWrapper {
   1.436 -//   protected:
   1.437 -//     //Graph* graph;
   1.438 -//     GraphWrapper gw;
   1.439 -
   1.440 -//   public:
   1.441 -//     typedef GraphWrapper BaseGraph;
   1.442 -
   1.443 -//     typedef typename GraphWrapper::Node Node;
   1.444 -//     typedef typename GraphWrapper::NodeIt NodeIt;
   1.445 -
   1.446 -//     //typedef typename Graph::Edge Edge;
   1.447 -//     //typedef typename Graph::OutEdgeIt OutEdgeIt;
   1.448 -//     //typedef typename Graph::InEdgeIt InEdgeIt;
   1.449 -//     //typedef typename Graph::SymEdgeIt SymEdgeIt;
   1.450 -//     //typedef typename Graph::EdgeIt EdgeIt;
   1.451 -
   1.452 -//     //private:
   1.453 -//     typedef typename GraphWrapper::Edge GraphEdge;
   1.454 -//     typedef typename GraphWrapper::OutEdgeIt GraphOutEdgeIt;
   1.455 -//     typedef typename GraphWrapper::InEdgeIt GraphInEdgeIt;
   1.456 -//     //public:
   1.457 -
   1.458 -//     //UndirGraphWrapper() : graph(0) { }
   1.459 -//     UndirGraphWrapper(GraphWrapper _gw) : gw(_gw) { }
   1.460 -
   1.461 -//     //void setGraph(Graph& _graph) { graph = &_graph; }
   1.462 -//     //Graph& getGraph() const { return (*graph); }
   1.463 -  
   1.464 -//     class Edge {
   1.465 -//       friend class UndirGraphWrapper<GraphWrapper>;
   1.466 -//       bool out_or_in; //true iff out
   1.467 -//       GraphOutEdgeIt out;
   1.468 -//       GraphInEdgeIt in;
   1.469 -//     public:
   1.470 -//       Edge() : out_or_in(), out(), in() { }
   1.471 -//       Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }
   1.472 -//       operator GraphEdge() const {
   1.473 -// 	if (out_or_in) return(out); else return(in);
   1.474 -//       }
   1.475 -//       friend bool operator==(const Edge& u, const Edge& v) { 
   1.476 -// 	if (v.out_or_in) 
   1.477 -// 	  return (u.out_or_in && u.out==v.out);
   1.478 -// 	else
   1.479 -// 	  return (!u.out_or_in && u.in==v.in);
   1.480 -//       } 
   1.481 -//       friend bool operator!=(const Edge& u, const Edge& v) { 
   1.482 -// 	if (v.out_or_in) 
   1.483 -// 	  return (!u.out_or_in || u.out!=v.out);
   1.484 -// 	else
   1.485 -// 	  return (u.out_or_in || u.in!=v.in);
   1.486 -//       } 
   1.487 -//     };
   1.488 -
   1.489 -//     class OutEdgeIt : public Edge {
   1.490 -//       friend class UndirGraphWrapper<GraphWrapper>;
   1.491 -//     public:
   1.492 -//       OutEdgeIt() : Edge() { }
   1.493 -//       OutEdgeIt(const Invalid& i) : Edge(i) { }
   1.494 -//       OutEdgeIt(const UndirGraphWrapper<GraphWrapper>& _G, const Node& n) 
   1.495 -// 	: Edge() { 
   1.496 -// 	out_or_in=true;
   1.497 -// 	_G.gw.first(out, n);
   1.498 -// 	if (!(_G.gw.valid(out))) {
   1.499 -// 	  out_or_in=false;
   1.500 -// 	  _G.gw.first(in, n);
   1.501 -// 	}
   1.502 -//       }
   1.503 -//     };
   1.504 -
   1.505 -//     OutEdgeIt& first(OutEdgeIt& e, const Node& n) const {
   1.506 -//       e.out_or_in=true;
   1.507 -//       gw.first(e.out, n);
   1.508 -//       if (!(gw.valid(e.out))) {
   1.509 -// 	e.out_or_in=false;
   1.510 -// 	gw.first(e.in, n);
   1.511 -//       }
   1.512 -//       return e;
   1.513 -//     }
   1.514 -
   1.515 -//     OutEdgeIt& next(OutEdgeIt& e) const {
   1.516 -//       if (e.out_or_in) {
   1.517 -// 	Node n=gw.source(e.out);
   1.518 -// 	gw.next(e.out);
   1.519 -// 	if (!gw.valid(e.out)) {
   1.520 -// 	  e.out_or_in=false;
   1.521 -// 	  gw.first(e.in, n);
   1.522 -// 	}
   1.523 -//       } else {
   1.524 -// 	gw.next(e.in);
   1.525 -//       }
   1.526 -//       return e;
   1.527 -//     }
   1.528 -
   1.529 -//     Node aNode(const OutEdgeIt& e) const { 
   1.530 -//       if (e.out_or_in) return gw.source(e); else return gw.target(e); }
   1.531 -//     Node bNode(const OutEdgeIt& e) const { 
   1.532 -//       if (e.out_or_in) return gw.target(e); else return gw.source(e); }
   1.533 -
   1.534 -//     typedef OutEdgeIt InEdgeIt; 
   1.535 -
   1.536 -//     template<typename I> I& first(I& i) const { return gw.first(i); }
   1.537 -// //     template<typename I, typename P> I& first(I& i, const P& p) const { 
   1.538 -// //       return graph->first(i, p); }
   1.539 -    
   1.540 -//     template<typename I> I getNext(const I& i) const { 
   1.541 -//       return gw.getNext(i); }
   1.542 -//     template<typename I> I& next(I &i) const { return gw.next(i); }    
   1.543 -
   1.544 -//     template< typename It > It first() const { 
   1.545 -//       It e; first(e); return e; }
   1.546 -
   1.547 -//     template< typename It > It first(const Node& v) const { 
   1.548 -//       It e; first(e, v); return e; }
   1.549 -
   1.550 -//     Node target(const Edge& e) const { return gw.target(e); }
   1.551 -//     Node source(const Edge& e) const { return gw.source(e); }
   1.552 -
   1.553 -//     template<typename I> bool valid(const I& i) const 
   1.554 -//       { return gw.valid(i); }
   1.555 -  
   1.556 -//     //template<typename I> void setInvalid(const I &i);
   1.557 -//     //{ return graph->setInvalid(i); }
   1.558 -
   1.559 -//     int nodeNum() const { return gw.nodeNum(); }
   1.560 -//     int edgeNum() const { return gw.edgeNum(); }
   1.561 -  
   1.562 -// //     template<typename I> Node aNode(const I& e) const { 
   1.563 -// //       return graph->aNode(e); }
   1.564 -// //     template<typename I> Node bNode(const I& e) const { 
   1.565 -// //       return graph->bNode(e); }
   1.566 -  
   1.567 -//     Node addNode() const { return gw.addNode(); }
   1.568 -// // FIXME: ez igy nem jo, mert nem
   1.569 -// //    Edge addEdge(const Node& source, const Node& target) const { 
   1.570 -// //      return graph->addEdge(source, target); }
   1.571 -  
   1.572 -//     template<typename I> void erase(const I& i) const { gw.erase(i); }
   1.573 -  
   1.574 -//     void clear() const { gw.clear(); }
   1.575 -    
   1.576 -//     template<typename T> class NodeMap : public GraphWrapper::NodeMap<T> { 
   1.577 -//     public:
   1.578 -//       NodeMap(const UndirGraphWrapper<GraphWrapper>& _G) : 
   1.579 -// 	GraphWrapper::NodeMap<T>(_G.gw) { }
   1.580 -//       NodeMap(const UndirGraphWrapper<GraphWrapper>& _G, T a) : 
   1.581 -// 	GraphWrapper::NodeMap<T>(_G.gw, a) { }
   1.582 -//     };
   1.583 -
   1.584 -//     template<typename T> class EdgeMap : public GraphWrapper::EdgeMap<T> { 
   1.585 -//     public:
   1.586 -//       EdgeMap(const UndirGraphWrapper<GraphWrapper>& _G) : 
   1.587 -// 	GraphWrapper::EdgeMap<T>(_G.gw) { }
   1.588 -//       EdgeMap(const UndirGraphWrapper<GraphWrapper>& _G, T a) : 
   1.589 -// 	GraphWrapper::EdgeMap<T>(_G.gw, a) { }
   1.590 -//     };
   1.591 -//   };
   1.592 -
   1.593 -
   1.594 -  template<typename Graph>
   1.595 -  class UndirGraphWrapper : public GraphWrapper<Graph> {
   1.596 -  protected:
   1.597 -    typedef typename Graph::Edge GraphEdge;
   1.598 -    typedef typename Graph::OutEdgeIt GraphOutEdgeIt;
   1.599 -    typedef typename Graph::InEdgeIt GraphInEdgeIt;    
   1.600 -  public:
   1.601 -    typedef typename GraphWrapper<Graph>::Node Node;
   1.602 -    typedef typename GraphWrapper<Graph>::NodeIt NodeIt;
   1.603 -
   1.604 -//     UndirGraphWrapper() : GraphWrapper<Graph>() { }
   1.605 -    UndirGraphWrapper(Graph& _graph) : GraphWrapper<Graph>(_graph) { }  
   1.606 -
   1.607 -    class Edge {
   1.608 -      friend class UndirGraphWrapper<Graph>;
   1.609 -    protected:
   1.610 -      bool out_or_in; //true iff out
   1.611 -      GraphOutEdgeIt out;
   1.612 -      GraphInEdgeIt in;
   1.613 -    public:
   1.614 -      Edge() : out_or_in(), out(), in() { }
   1.615 -      Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }
   1.616 -      operator GraphEdge() const {
   1.617 -	if (out_or_in) return(out); else return(in);
   1.618 -      }
   1.619 -//FIXME
   1.620 -//2 edges are equal if they "refer" to the same physical edge 
   1.621 -//is it good?
   1.622 -      friend bool operator==(const Edge& u, const Edge& v) { 
   1.623 -	if (v.out_or_in) 
   1.624 -	  if (u.out_or_in) return (u.out==v.out); else return (u.out==v.in);
   1.625 -	//return (u.out_or_in && u.out==v.out);
   1.626 -	else
   1.627 -	  if (u.out_or_in) return (u.out==v.in); else return (u.in==v.in);
   1.628 -	//return (!u.out_or_in && u.in==v.in);
   1.629 -      } 
   1.630 -      friend bool operator!=(const Edge& u, const Edge& v) { 
   1.631 -	if (v.out_or_in) 
   1.632 -	  if (u.out_or_in) return (u.out!=v.out); else return (u.out!=v.in);
   1.633 -	//return (!u.out_or_in || u.out!=v.out);
   1.634 -	else
   1.635 -	  if (u.out_or_in) return (u.out!=v.in); else return (u.in!=v.in);
   1.636 -	//return (u.out_or_in || u.in!=v.in);
   1.637 -      } 
   1.638 -    };
   1.639 -
   1.640 -    class OutEdgeIt : public Edge {
   1.641 -      friend class UndirGraphWrapper<Graph>;
   1.642 -    public:
   1.643 -      OutEdgeIt() : Edge() { }
   1.644 -      OutEdgeIt(const Invalid& i) : Edge(i) { }
   1.645 -      OutEdgeIt(const UndirGraphWrapper<Graph>& _G, const Node& n) 
   1.646 -	: Edge() { 
   1.647 -	out_or_in=true; _G.graph->first(out, n);
   1.648 -	if (!(_G.graph->valid(out))) { out_or_in=false; _G.graph->first(in, n);	}
   1.649 -      }
   1.650 -    };
   1.651 -
   1.652 -    typedef OutEdgeIt InEdgeIt; 
   1.653 -
   1.654 -    class EdgeIt : public Edge {
   1.655 -      friend class UndirGraphWrapper<Graph>;
   1.656 -    protected:
   1.657 -      NodeIt v;
   1.658 -    public:
   1.659 -      EdgeIt() : Edge() { }
   1.660 -      EdgeIt(const Invalid& i) : Edge(i) { }
   1.661 -      EdgeIt(const UndirGraphWrapper<Graph>& _G) 
   1.662 -	: Edge() { 
   1.663 -	out_or_in=true;
   1.664 -	//Node v;
   1.665 -	_G.first(v);
   1.666 -	if (_G.valid(v)) _G.graph->first(out); else out=INVALID;
   1.667 -	while (_G.valid(v) && !_G.graph->valid(out)) { 
   1.668 -	  _G.graph->next(v); 
   1.669 -	  if (_G.valid(v)) _G.graph->first(out); 
   1.670 -	}
   1.671 -      }
   1.672 -    };
   1.673 -
   1.674 -    OutEdgeIt& first(OutEdgeIt& e, const Node& n) const {
   1.675 -      e.out_or_in=true; graph->first(e.out, n);
   1.676 -      if (!(graph->valid(e.out))) { e.out_or_in=false; graph->first(e.in, n); }
   1.677 -      return e;
   1.678 -    }
   1.679 -
   1.680 -    EdgeIt& first(EdgeIt& e) const {
   1.681 -      e.out_or_in=true;
   1.682 -      //NodeIt v;
   1.683 -      first(e.v);
   1.684 -      if (valid(e.v)) graph->first(e.out, e.v); else e.out=INVALID;
   1.685 -      while (valid(e.v) && !graph->valid(e.out)) { 
   1.686 -	graph->next(e.v); 
   1.687 -	if (valid(e.v)) graph->first(e.out, e.v); 
   1.688 -      }
   1.689 -      return e;
   1.690 -    }
   1.691 -
   1.692 -    template<typename I> I& first(I& i) const { graph->first(i); return i; }
   1.693 -    template<typename I, typename P> I& first(I& i, const P& p) const { 
   1.694 -      graph->first(i, p); return i; }
   1.695 -
   1.696 -    OutEdgeIt& next(OutEdgeIt& e) const {
   1.697 -      if (e.out_or_in) {
   1.698 -	Node n=graph->source(e.out);
   1.699 -	graph->next(e.out);
   1.700 -	if (!graph->valid(e.out)) { e.out_or_in=false; graph->first(e.in, n); }
   1.701 -      } else {
   1.702 -	graph->next(e.in);
   1.703 -      }
   1.704 -      return e;
   1.705 -    }
   1.706 -
   1.707 -    EdgeIt& next(EdgeIt& e) const {
   1.708 -      //NodeIt v=source(e);
   1.709 -      graph->next(e.out);
   1.710 -      while (valid(e.v) && !graph->valid(e.out)) { 
   1.711 -	next(e.v); 
   1.712 -	if (valid(e.v)) graph->first(e.out, e.v); 
   1.713 -      }
   1.714 -      return e;
   1.715 -    }
   1.716 -
   1.717 -    template<typename I> I& next(I &i) const { return graph->next(i); }    
   1.718 -//    template<typename I> I getNext(const I& i) const { return gw.getNext(i); }
   1.719 -
   1.720 -    template< typename It > It first() const { 
   1.721 -      It e; this->first(e); return e; }
   1.722 -
   1.723 -    template< typename It > It first(const Node& v) const { 
   1.724 -      It e; this->first(e, v); return e; }
   1.725 -
   1.726 -//    Node target(const Edge& e) const { return gw.target(e); }
   1.727 -//    Node source(const Edge& e) const { return gw.source(e); }
   1.728 -
   1.729 -//    template<typename I> bool valid(const I& i) const 
   1.730 -//      { return gw.valid(i); }
   1.731 -  
   1.732 -//    int nodeNum() const { return gw.nodeNum(); }
   1.733 -//    int edgeNum() const { return gw.edgeNum(); }
   1.734 -  
   1.735 -//     template<typename I> Node aNode(const I& e) const { 
   1.736 -//       return graph->aNode(e); }
   1.737 -//     template<typename I> Node bNode(const I& e) const { 
   1.738 -//       return graph->bNode(e); }
   1.739 -
   1.740 -    Node aNode(const OutEdgeIt& e) const { 
   1.741 -      if (e.out_or_in) return graph->source(e); else return graph->target(e); }
   1.742 -    Node bNode(const OutEdgeIt& e) const { 
   1.743 -      if (e.out_or_in) return graph->target(e); else return graph->source(e); }
   1.744 -  
   1.745 -//    Node addNode() const { return gw.addNode(); }
   1.746 -
   1.747 -// FIXME: ez igy nem jo, mert nem
   1.748 -//    Edge addEdge(const Node& source, const Node& target) const { 
   1.749 -//      return graph->addEdge(source, target); }
   1.750 -  
   1.751 -//    template<typename I> void erase(const I& i) const { gw.erase(i); }
   1.752 -  
   1.753 -//    void clear() const { gw.clear(); }
   1.754 -    
   1.755 -//     template<typename T> class NodeMap : public Graph::NodeMap<T> { 
   1.756 -//     public:
   1.757 -//       NodeMap(const UndirGraphWrapper<Graph>& _G) : 
   1.758 -// 	Graph::NodeMap<T>(_G.gw) { }
   1.759 -//       NodeMap(const UndirGraphWrapper<Graph>& _G, T a) : 
   1.760 -// 	Graph::NodeMap<T>(_G.gw, a) { }
   1.761 -//     };
   1.762 -
   1.763 -//     template<typename T> class EdgeMap : 
   1.764 -//       public GraphWrapper<Graph>::EdgeMap<T> { 
   1.765 -//     public:
   1.766 -//       EdgeMap(const UndirGraphWrapper<Graph>& _G) : 
   1.767 -// 	GraphWrapper<Graph>::EdgeMap<T>(_G.gw) { }
   1.768 -//       EdgeMap(const UndirGraphWrapper<Graph>& _G, T a) : 
   1.769 -// 	Graph::EdgeMap<T>(_G.gw, a) { }
   1.770 -//     };
   1.771 -   };
   1.772 -
   1.773 -
   1.774 -
   1.775 -
   1.776 -
   1.777 -//   template<typename Graph>
   1.778 -//   class SymGraphWrapper
   1.779 -//   {
   1.780 -//     Graph* graph;
   1.781 -  
   1.782 -//   public:
   1.783 -//     typedef Graph BaseGraph;
   1.784 -
   1.785 -//     typedef typename Graph::Node Node;
   1.786 -//     typedef typename Graph::Edge Edge;
   1.787 -  
   1.788 -//     typedef typename Graph::NodeIt NodeIt;
   1.789 -    
   1.790 -//     //FIXME tag-ekkel megcsinalni, hogy abbol csinaljon
   1.791 -//     //iranyitatlant, ami van
   1.792 -//     //mert csak 1 dolgot lehet be typedef-elni
   1.793 -//     typedef typename Graph::OutEdgeIt SymEdgeIt;
   1.794 -//     //typedef typename Graph::InEdgeIt SymEdgeIt;
   1.795 -//     //typedef typename Graph::SymEdgeIt SymEdgeIt;
   1.796 -//     typedef typename Graph::EdgeIt EdgeIt;
   1.797 -
   1.798 -//     int nodeNum() const { return graph->nodeNum(); }
   1.799 -//     int edgeNum() const { return graph->edgeNum(); }
   1.800 -    
   1.801 -//     template<typename I> I& first(I& i) const { return graph->first(i); }
   1.802 -//     template<typename I, typename P> I& first(I& i, const P& p) const { 
   1.803 -//       return graph->first(i, p); }
   1.804 -//     //template<typename I> I next(const I i); { return graph->goNext(i); }
   1.805 -//     //template<typename I> I &goNext(I &i); { return graph->goNext(i); }
   1.806 -
   1.807 -//     template< typename It > It first() const { 
   1.808 -//       It e; first(e); return e; }
   1.809 -
   1.810 -//     template< typename It > It first(Node v) const { 
   1.811 -//       It e; first(e, v); return e; }
   1.812 -
   1.813 -//     Node target(const Edge& e) const { return graph->target(e); }
   1.814 -//     Node source(const Edge& e) const { return graph->source(e); }
   1.815 -  
   1.816 -//     template<typename I> Node aNode(const I& e) const { 
   1.817 -//       return graph->aNode(e); }
   1.818 -//     template<typename I> Node bNode(const I& e) const { 
   1.819 -//       return graph->bNode(e); }
   1.820 -  
   1.821 -//     //template<typename I> bool valid(const I i);
   1.822 -//     //{ return graph->valid(i); }
   1.823 -  
   1.824 -//     //template<typename I> void setInvalid(const I &i);
   1.825 -//     //{ return graph->setInvalid(i); }
   1.826 -  
   1.827 -//     Node addNode() { return graph->addNode(); }
   1.828 -//     Edge addEdge(const Node& source, const Node& target) { 
   1.829 -//       return graph->addEdge(source, target); }
   1.830 -  
   1.831 -//     template<typename I> void erase(const I& i) { graph->erase(i); }
   1.832 -  
   1.833 -//     void clear() { graph->clear(); }
   1.834 -  
   1.835 -//     template<typename T> class NodeMap : public Graph::NodeMap<T> { };
   1.836 -//     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { };
   1.837 -  
   1.838 -//     void setGraph(Graph& _graph) { graph = &_graph; }
   1.839 -//     Graph& getGraph() { return (*graph); }
   1.840 -
   1.841 -//     //SymGraphWrapper() : graph(0) { }
   1.842 -//     SymGraphWrapper(Graph& _graph) : graph(&_graph) { }
   1.843 -//   };
   1.844 -
   1.845 -
   1.846 -  template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
   1.847 -  class ResGraphWrapper : public GraphWrapper<Graph>{
   1.848 -  public:
   1.849 -    typedef typename GraphWrapper<Graph>::Node Node;
   1.850 -    typedef typename GraphWrapper<Graph>::NodeIt NodeIt;
   1.851 -  protected:
   1.852 -    typedef typename Graph::OutEdgeIt OldOutEdgeIt;
   1.853 -    typedef typename Graph::InEdgeIt OldInEdgeIt;
   1.854 -    FlowMap* flow;
   1.855 -    const CapacityMap* capacity;
   1.856 -  public:
   1.857 -
   1.858 -    ResGraphWrapper(Graph& _graph, FlowMap& _flow, 
   1.859 -		    const CapacityMap& _capacity) : 
   1.860 -      GraphWrapper<Graph>(_graph), flow(&_flow), capacity(&_capacity) { }
   1.861 -
   1.862 -    class Edge; 
   1.863 -    class OutEdgeIt; 
   1.864 -    friend class Edge; 
   1.865 -    friend class OutEdgeIt; 
   1.866 -
   1.867 -    class Edge {
   1.868 -      friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
   1.869 -    protected:
   1.870 -      bool out_or_in; //true, iff out
   1.871 -      OldOutEdgeIt out;
   1.872 -      OldInEdgeIt in;
   1.873 -    public:
   1.874 -      Edge() : out_or_in(true) { } 
   1.875 -      Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }
   1.876 -//       bool valid() const { 
   1.877 -// 	return out_or_in && out.valid() || in.valid(); }
   1.878 -      friend bool operator==(const Edge& u, const Edge& v) { 
   1.879 -	if (v.out_or_in) 
   1.880 -	  return (u.out_or_in && u.out==v.out);
   1.881 -	else
   1.882 -	  return (!u.out_or_in && u.in==v.in);
   1.883 -      } 
   1.884 -      friend bool operator!=(const Edge& u, const Edge& v) { 
   1.885 -	if (v.out_or_in) 
   1.886 -	  return (!u.out_or_in || u.out!=v.out);
   1.887 -	else
   1.888 -	  return (u.out_or_in || u.in!=v.in);
   1.889 -      } 
   1.890 -    };
   1.891 -
   1.892 -
   1.893 -    class OutEdgeIt : public Edge {
   1.894 -      friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
   1.895 -    public:
   1.896 -      OutEdgeIt() { }
   1.897 -      //FIXME
   1.898 -      OutEdgeIt(const Edge& e) : Edge(e) { }
   1.899 -      OutEdgeIt(const Invalid& i) : Edge(i) { }
   1.900 -    protected:
   1.901 -      OutEdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG, Node v) : Edge() { 
   1.902 -	resG.graph->first(out, v);
   1.903 -	while( resG.graph->valid(out) && !(resG.resCap(out)>0) ) { resG.graph->next(out); }
   1.904 -	if (!resG.graph->valid(out)) {
   1.905 -	  out_or_in=0;
   1.906 -	  resG.graph->first(in, v);
   1.907 -	  while( resG.graph->valid(in) && !(resG.resCap(in)>0) ) { resG.graph->next(in); }
   1.908 -	}
   1.909 -      }
   1.910 -//     public:
   1.911 -//       OutEdgeIt& operator++() { 
   1.912 -// 	if (out_or_in) {
   1.913 -// 	  Node v=/*resG->*/G->aNode(out);
   1.914 -// 	  ++out;
   1.915 -// 	  while( out.valid() && !(Edge::resCap()>0) ) { ++out; }
   1.916 -// 	  if (!out.valid()) {
   1.917 -// 	    out_or_in=0;
   1.918 -// 	    G->first(in, v); 
   1.919 -// 	    while( in.valid() && !(Edge::resCap()>0) ) { ++in; }
   1.920 -// 	  }
   1.921 -// 	} else {
   1.922 -// 	  ++in;
   1.923 -// 	  while( in.valid() && !(Edge::resCap()>0) ) { ++in; } 
   1.924 -// 	}
   1.925 -// 	return *this; 
   1.926 -//       }
   1.927 -    };
   1.928 -
   1.929 -    //FIXME This is just for having InEdgeIt
   1.930 -    typedef void InEdgeIt;
   1.931 -
   1.932 -    class EdgeIt : public Edge {
   1.933 -      friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
   1.934 -      NodeIt v; 
   1.935 -    public:
   1.936 -      EdgeIt() { }
   1.937 -      //EdgeIt(const EdgeIt& e) : Edge(e), v(e.v) { }
   1.938 -      EdgeIt(const Invalid& i) : Edge(i) { }
   1.939 -      EdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG) : Edge() { 
   1.940 -	resG.graph->first(v);
   1.941 -	if (resG.graph->valid(v)) resG.graph->first(out, v); else out=INVALID;
   1.942 -	while (resG.graph->valid(out) && !(resG.resCap(out)>0) ) { resG.graph->next(out); }
   1.943 -	while (resG.graph->valid(v) && !resG.graph->valid(out)) { 
   1.944 -	  resG.graph->next(v); 
   1.945 -	  if (resG.graph->valid(v)) resG.graph->first(out, v); 
   1.946 -	  while (resG.graph->valid(out) && !(resG.resCap(out)>0) ) { resG.graph->next(out); }
   1.947 -	}
   1.948 -	if (!resG.graph->valid(out)) {
   1.949 -	  out_or_in=0;
   1.950 -	  resG.graph->first(v);
   1.951 -	  if (resG.graph->valid(v)) resG.graph->first(in, v); else in=INVALID;
   1.952 -	  while (resG.graph->valid(in) && !(resG.resCap(in)>0) ) { resG.graph->next(in); }
   1.953 -	  while (resG.graph->valid(v) && !resG.graph->valid(in)) { 
   1.954 -	    resG.graph->next(v); 
   1.955 -	    if (resG.graph->valid(v)) resG.graph->first(in, v); 
   1.956 -	    while (resG.graph->valid(in) && !(resG.resCap(in)>0) ) { resG.graph->next(in); }
   1.957 -	  }
   1.958 -	}
   1.959 -      }
   1.960 -//       EdgeIt& operator++() { 
   1.961 -// 	if (out_or_in) {
   1.962 -// 	  ++out;
   1.963 -// 	  while (out.valid() && !(Edge::resCap()>0) ) { ++out; }
   1.964 -// 	  while (v.valid() && !out.valid()) { 
   1.965 -// 	    ++v; 
   1.966 -// 	    if (v.valid()) G->first(out, v); 
   1.967 -// 	    while (out.valid() && !(Edge::resCap()>0) ) { ++out; }
   1.968 -// 	  }
   1.969 -// 	  if (!out.valid()) {
   1.970 -// 	    out_or_in=0;
   1.971 -// 	    G->first(v);
   1.972 -// 	    if (v.valid()) G->first(in, v); else in=OldInEdgeIt();
   1.973 -// 	    while (in.valid() && !(Edge::resCap()>0) ) { ++in; }
   1.974 -// 	    while (v.valid() && !in.valid()) { 
   1.975 -// 	      ++v; 
   1.976 -// 	      if (v.valid()) G->first(in, v); 
   1.977 -// 	      while (in.valid() && !(Edge::resCap()>0) ) { ++in; }
   1.978 -// 	    }  
   1.979 -// 	  }
   1.980 -// 	} else {
   1.981 -// 	  ++in;
   1.982 -// 	  while (in.valid() && !(Edge::resCap()>0) ) { ++in; }
   1.983 -// 	  while (v.valid() && !in.valid()) { 
   1.984 -// 	    ++v; 
   1.985 -// 	    if (v.valid()) G->first(in, v); 
   1.986 -// 	    while (in.valid() && !(Edge::resCap()>0) ) { ++in; }
   1.987 -// 	  }
   1.988 -// 	}
   1.989 -// 	return *this;
   1.990 -//       }
   1.991 -    };
   1.992 -
   1.993 -    NodeIt& first(NodeIt& v) const { graph->first(v); return v; }
   1.994 -    OutEdgeIt& first(OutEdgeIt& e, Node v) const { 
   1.995 -      e=OutEdgeIt(*this, v); 
   1.996 -      return e;
   1.997 -    }
   1.998 -    EdgeIt& first(EdgeIt& e) const { 
   1.999 -      e=EdgeIt(*this); 
  1.1000 -      return e;
  1.1001 -    }
  1.1002 -   
  1.1003 -    NodeIt& next(NodeIt& n) const { return graph->next(n); }
  1.1004 -
  1.1005 -    OutEdgeIt& next(OutEdgeIt& e) const { 
  1.1006 -      if (e.out_or_in) {
  1.1007 -	Node v=graph->aNode(e.out);
  1.1008 -	graph->next(e.out);
  1.1009 -	while( graph->valid(e.out) && !(resCap(e.out)>0) ) { graph->next(e.out); }
  1.1010 -	if (!graph->valid(e.out)) {
  1.1011 -	  e.out_or_in=0;
  1.1012 -	  graph->first(e.in, v); 
  1.1013 -	  while( graph->valid(e.in) && !(resCap(e.in)>0) ) { graph->next(e.in); }
  1.1014 -	}
  1.1015 -      } else {
  1.1016 -	graph->next(e.in);
  1.1017 -	while( graph->valid(e.in) && !(resCap(e.in)>0) ) { graph->next(e.in); } 
  1.1018 -      }
  1.1019 -      return e;
  1.1020 -    }
  1.1021 -
  1.1022 -    EdgeIt& next(EdgeIt& e) const { 
  1.1023 -      if (e.out_or_in) {
  1.1024 -	graph->next(e.out);
  1.1025 -	while (graph->valid(e.out) && !(resCap(e.out)>0) ) { graph->next(e.out); }
  1.1026 -	  while (graph->valid(e.v) && !graph->valid(e.out)) { 
  1.1027 -	    graph->next(e.v); 
  1.1028 -	    if (graph->valid(e.v)) graph->first(e.out, e.v); 
  1.1029 -	    while (graph->valid(e.out) && !(resCap(e.out)>0) ) { graph->next(e.out); }
  1.1030 -	  }
  1.1031 -	  if (!graph->valid(e.out)) {
  1.1032 -	    e.out_or_in=0;
  1.1033 -	    graph->first(e.v);
  1.1034 -	    if (graph->valid(e.v)) graph->first(e.in, e.v); else e.in=INVALID;
  1.1035 -	    while (graph->valid(e.in) && !(resCap(e.in)>0) ) { graph->next(e.in); }
  1.1036 -	    while (graph->valid(e.v) && !graph->valid(e.in)) { 
  1.1037 -	      graph->next(e.v); 
  1.1038 -	      if (graph->valid(e.v)) graph->first(e.in, e.v); 
  1.1039 -	      while (graph->valid(e.in) && !(resCap(e.in)>0) ) { graph->next(e.in); }
  1.1040 -	    }  
  1.1041 -	  }
  1.1042 -	} else {
  1.1043 -	  graph->next(e.in);
  1.1044 -	  while (graph->valid(e.in) && !(resCap(e.in)>0) ) { graph->next(e.in); }
  1.1045 -	  while (graph->valid(e.v) && !graph->valid(e.in)) { 
  1.1046 -	    graph->next(e.v); 
  1.1047 -	    if (graph->valid(e.v)) graph->first(e.in, e.v); 
  1.1048 -	    while (graph->valid(e.in) && !(resCap(e.in)>0) ) { graph->next(e.in); }
  1.1049 -	  }
  1.1050 -	}
  1.1051 -	return e;
  1.1052 -      }
  1.1053 -    
  1.1054 -
  1.1055 -    template< typename It >
  1.1056 -    It first() const { 
  1.1057 -      It e;
  1.1058 -      first(e);
  1.1059 -      return e; 
  1.1060 -    }
  1.1061 -
  1.1062 -    template< typename It >
  1.1063 -    It first(Node v) const { 
  1.1064 -      It e;
  1.1065 -      first(e, v);
  1.1066 -      return e; 
  1.1067 -    }
  1.1068 -
  1.1069 -    Node source(Edge e) const { 
  1.1070 -      return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }
  1.1071 -    Node target(Edge e) const { 
  1.1072 -      return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }
  1.1073 -
  1.1074 -    Node aNode(OutEdgeIt e) const { 
  1.1075 -      return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }
  1.1076 -    Node bNode(OutEdgeIt e) const { 
  1.1077 -      return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }
  1.1078 -
  1.1079 -    int nodeNum() const { return graph->nodeNum(); }
  1.1080 -    //FIXME
  1.1081 -    //int edgeNum() const { return graph->edgeNum(); }
  1.1082 -
  1.1083 -
  1.1084 -    int id(Node v) const { return graph->id(v); }
  1.1085 -
  1.1086 -    bool valid(Node n) const { return graph->valid(n); }
  1.1087 -    bool valid(Edge e) const { 
  1.1088 -      return e.out_or_in ? graph->valid(e.out) : graph->valid(e.in); }
  1.1089 -
  1.1090 -    void augment(const Edge& e, Number a) const {
  1.1091 -      if (e.out_or_in)  
  1.1092 -	flow->set(e.out, flow->get(e.out)+a);
  1.1093 -      else  
  1.1094 -	flow->set(e.in, flow->get(e.in)-a);
  1.1095 -    }
  1.1096 -
  1.1097 -    Number resCap(const Edge& e) const { 
  1.1098 -      if (e.out_or_in) 
  1.1099 -	return (capacity->get(e.out)-flow->get(e.out)); 
  1.1100 -      else 
  1.1101 -	return (flow->get(e.in)); 
  1.1102 -    }
  1.1103 -
  1.1104 -    Number resCap(OldOutEdgeIt out) const { 
  1.1105 -      return (capacity->get(out)-flow->get(out)); 
  1.1106 -    }
  1.1107 -    
  1.1108 -    Number resCap(OldInEdgeIt in) const { 
  1.1109 -      return (flow->get(in)); 
  1.1110 -    }
  1.1111 -
  1.1112 -//     template<typename T> class NodeMap : public Graph::NodeMap<T> { 
  1.1113 -//     public:
  1.1114 -//       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) 
  1.1115 -// 	: Graph::NodeMap<T>(_G.gw) { }
  1.1116 -//       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, 
  1.1117 -// 	      T a) : Graph::NodeMap<T>(_G.gw, a) { }
  1.1118 -//     };
  1.1119 -
  1.1120 -//     template <typename T>
  1.1121 -//     class NodeMap {
  1.1122 -//       typename Graph::NodeMap<T> node_map; 
  1.1123 -//     public:
  1.1124 -//       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : node_map(*(_G.graph)) { }
  1.1125 -//       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : node_map(*(_G.graph), a) { }
  1.1126 -//       void set(Node nit, T a) { node_map.set(nit, a); }
  1.1127 -//       T get(Node nit) const { return node_map.get(nit); }
  1.1128 -//     };
  1.1129 -
  1.1130 -    template <typename T>
  1.1131 -    class EdgeMap {
  1.1132 -      typename Graph::EdgeMap<T> forward_map, backward_map; 
  1.1133 -    public:
  1.1134 -      EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : forward_map(*(_G.graph)), backward_map(*(_G.graph)) { }
  1.1135 -      EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : forward_map(*(_G.graph), a), backward_map(*(_G.graph), a) { }
  1.1136 -      void set(Edge e, T a) { 
  1.1137 -	if (e.out_or_in) 
  1.1138 -	  forward_map.set(e.out, a); 
  1.1139 -	else 
  1.1140 -	  backward_map.set(e.in, a); 
  1.1141 -      }
  1.1142 -      T get(Edge e) { 
  1.1143 -	if (e.out_or_in) 
  1.1144 -	  return forward_map.get(e.out); 
  1.1145 -	else 
  1.1146 -	  return backward_map.get(e.in); 
  1.1147 -      }
  1.1148 -    };
  1.1149 -  };
  1.1150 -
  1.1151 -  //ErasingFirstGraphWrapper for blocking flows
  1.1152 -  template<typename Graph, typename FirstOutEdgesMap>
  1.1153 -  class ErasingFirstGraphWrapper : public GraphWrapper<Graph> {
  1.1154 -  protected:
  1.1155 -    FirstOutEdgesMap* first_out_edges;
  1.1156 -  public:
  1.1157 -    typedef typename GraphWrapper<Graph>::Node Node;
  1.1158 -    typedef typename GraphWrapper<Graph>::NodeIt NodeIt;
  1.1159 -    typedef typename GraphWrapper<Graph>::Edge Edge;
  1.1160 -    typedef typename GraphWrapper<Graph>::EdgeIt EdgeIt;
  1.1161 -    typedef typename GraphWrapper<Graph>::InEdgeIt InEdgeIt;
  1.1162 -    typedef typename GraphWrapper<Graph>::OutEdgeIt OutEdgeIt;
  1.1163 -
  1.1164 -    ErasingFirstGraphWrapper(Graph& _graph, 
  1.1165 -			     FirstOutEdgesMap& _first_out_edges) : 
  1.1166 -      GraphWrapper<Graph>(_graph), first_out_edges(&_first_out_edges) { }  
  1.1167 -
  1.1168 -    template<typename I> I& first(I& i) const { 
  1.1169 -      graph->first(i); 
  1.1170 -      return i;
  1.1171 -    }
  1.1172 -    OutEdgeIt& first(OutEdgeIt& e, const Node& n) const {
  1.1173 -      e=first_out_edges->get(n);
  1.1174 -      return e;
  1.1175 -    }
  1.1176 -    template<typename I, typename P> I& first(I& i, const P& p) const { 
  1.1177 -      graph->first(i, p); 
  1.1178 -      return i;
  1.1179 -    }
  1.1180 -    
  1.1181 -    //template<typename I> I getNext(const I& i) const { 
  1.1182 -    //  return gw.getNext(i); 
  1.1183 -    //}
  1.1184 -    template<typename I> I& next(I &i) const { 
  1.1185 -      graph->next(i); 
  1.1186 -      return i;
  1.1187 -    }
  1.1188 -    
  1.1189 -    template< typename It > It first() const { 
  1.1190 -      It e; this->first(e); return e; }
  1.1191 -    
  1.1192 -    template< typename It > It first(const Node& v) const { 
  1.1193 -      It e; this->first(e, v); return e; }
  1.1194 -
  1.1195 -    void erase(const OutEdgeIt& e) const {
  1.1196 -      OutEdgeIt f=e;
  1.1197 -      this->next(f);
  1.1198 -      first_out_edges->set(this->source(e), f);
  1.1199 -    }
  1.1200 -  };
  1.1201 -
  1.1202 -// // FIXME: comparison should be made better!!!
  1.1203 -//   template<typename Graph, typename T, typename LowerMap, typename FlowMap, typename UpperMap>
  1.1204 -//   class ResGraphWrapper
  1.1205 -//   {
  1.1206 -//     Graph* graph;
  1.1207 -  
  1.1208 -//   public:
  1.1209 -//     typedef Graph BaseGraph;
  1.1210 -
  1.1211 -//     typedef typename Graph::Node Node;
  1.1212 -//     typedef typename Graph::Edge Edge;
  1.1213 -  
  1.1214 -//     typedef typename Graph::NodeIt NodeIt;
  1.1215 -   
  1.1216 -//     class OutEdgeIt {
  1.1217 -//     public:
  1.1218 -//       //Graph::Node n;
  1.1219 -//       bool out_or_in;
  1.1220 -//       typename Graph::OutEdgeIt o;
  1.1221 -//       typename Graph::InEdgeIt i;   
  1.1222 -//     };
  1.1223 -//     class InEdgeIt {
  1.1224 -//     public:
  1.1225 -//       //Graph::Node n;
  1.1226 -//       bool out_or_in;
  1.1227 -//       typename Graph::OutEdgeIt o;
  1.1228 -//       typename Graph::InEdgeIt i;   
  1.1229 -//     };
  1.1230 -//     typedef typename Graph::SymEdgeIt SymEdgeIt;
  1.1231 -//     typedef typename Graph::EdgeIt EdgeIt;
  1.1232 -
  1.1233 -//     int nodeNum() const { return gw.nodeNum(); }
  1.1234 -//     int edgeNum() const { return gw.edgeNum(); }
  1.1235 -
  1.1236 -//     Node& first(Node& n) const { return gw.first(n); }
  1.1237 -
  1.1238 -//     // Edge and SymEdge  is missing!!!!
  1.1239 -//     // Edge <-> In/OutEdgeIt conversion is missing!!!!
  1.1240 -
  1.1241 -//     //FIXME
  1.1242 -//     OutEdgeIt& first(OutEdgeIt& e, const Node& n) const 
  1.1243 -//       {
  1.1244 -// 	e.n=n;
  1.1245 -// 	gw.first(e.o,n);
  1.1246 -// 	while(gw.valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
  1.1247 -// 	  gw.goNext(e.o);
  1.1248 -// 	if(!gw.valid(e.o)) {
  1.1249 -// 	  gw.first(e.i,n);
  1.1250 -// 	  while(gw.valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
  1.1251 -// 	    gw.goNext(e.i);
  1.1252 -// 	}
  1.1253 -// 	return e;
  1.1254 -//       }
  1.1255 -// /*
  1.1256 -//   OutEdgeIt &goNext(OutEdgeIt &e)
  1.1257 -//   {
  1.1258 -//   if(gw.valid(e.o)) {
  1.1259 -//   while(gw.valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
  1.1260 -//   gw.goNext(e.o);
  1.1261 -//   if(gw.valid(e.o)) return e;
  1.1262 -//   else gw.first(e.i,e.n);
  1.1263 -//   }
  1.1264 -//   else {
  1.1265 -//   while(gw.valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
  1.1266 -//   gw.goNext(e.i);
  1.1267 -//   return e;
  1.1268 -//   }
  1.1269 -//   }
  1.1270 -//   OutEdgeIt Next(const OutEdgeIt &e) {OutEdgeIt t(e); return goNext(t);}
  1.1271 -// */
  1.1272 -//     //bool valid(const OutEdgeIt e) { return gw.valid(e.o)||gw.valid(e.i);}
  1.1273 -
  1.1274 -//     //FIXME
  1.1275 -//     InEdgeIt& first(InEdgeIt& e, const Node& n) const 
  1.1276 -//       {
  1.1277 -// 	e.n=n;
  1.1278 -// 	gw.first(e.i,n);
  1.1279 -// 	while(gw.valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
  1.1280 -// 	  gw.goNext(e.i);
  1.1281 -// 	if(!gw.valid(e.i)) {
  1.1282 -// 	  gw.first(e.o,n);
  1.1283 -// 	  while(gw.valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
  1.1284 -// 	    gw.goNext(e.o);
  1.1285 -// 	}
  1.1286 -// 	return e;
  1.1287 -//       }
  1.1288 -// /*
  1.1289 -//   InEdgeIt &goNext(InEdgeIt &e)
  1.1290 -//   {
  1.1291 -//   if(gw.valid(e.i)) {
  1.1292 -//   while(gw.valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
  1.1293 -//   gw.goNext(e.i);
  1.1294 -//   if(gw.valid(e.i)) return e;
  1.1295 -//   else gw.first(e.o,e.n);
  1.1296 -//   }
  1.1297 -//   else {
  1.1298 -//   while(gw.valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
  1.1299 -//   gw.goNext(e.o);
  1.1300 -//   return e;
  1.1301 -//   }
  1.1302 -//   }
  1.1303 -//   InEdgeIt Next(const InEdgeIt &e) {InEdgeIt t(e); return goNext(t);}
  1.1304 -// */
  1.1305 -//     //bool valid(const InEdgeIt e) { return gw.valid(e.i)||gw.valid(e.o);}
  1.1306 -
  1.1307 -//     //template<typename I> I &goNext(I &i); { return gw.goNext(i); }
  1.1308 -//     //template<typename I> I next(const I i); { return gw.goNext(i); }
  1.1309 -
  1.1310 -//     template< typename It > It first() const { 
  1.1311 -//       It e; first(e); return e; }
  1.1312 -
  1.1313 -//     template< typename It > It first(Node v) const { 
  1.1314 -//       It e; first(e, v); return e; }
  1.1315 -
  1.1316 -//     Node target(const Edge& e) const { return gw.target(e); }
  1.1317 -//     Node source(const Edge& e) const { return gw.source(e); }
  1.1318 -  
  1.1319 -//     template<typename I> Node aNode(const I& e) const { 
  1.1320 -//       return gw.aNode(e); }
  1.1321 -//     template<typename I> Node bNode(const I& e) const { 
  1.1322 -//       return gw.bNode(e); }
  1.1323 -  
  1.1324 -//     //template<typename I> bool valid(const I i);
  1.1325 -//     //{ return gw.valid(i); }
  1.1326 -  
  1.1327 -//     //template<typename I> void setInvalid(const I &i);
  1.1328 -//     //{ return gw.setInvalid(i); }
  1.1329 -  
  1.1330 -//     Node addNode() { return gw.addNode(); }
  1.1331 -//     Edge addEdge(const Node& source, const Node& target) { 
  1.1332 -//       return gw.addEdge(source, target); }
  1.1333 -  
  1.1334 -//     template<typename I> void erase(const I& i) { gw.erase(i); }
  1.1335 -  
  1.1336 -//     void clear() { gw.clear(); }
  1.1337 -  
  1.1338 -//     template<typename S> class NodeMap : public Graph::NodeMap<S> { };
  1.1339 -//     template<typename S> class EdgeMap : public Graph::EdgeMap<S> { };
  1.1340 -  
  1.1341 -//     void setGraph(Graph& _graph) { graph = &_graph; }
  1.1342 -//     Graph& getGraph() { return (*graph); }
  1.1343 -
  1.1344 -//     //ResGraphWrapper() : graph(0) { }
  1.1345 -//     ResGraphWrapper(Graph& _graph) : graph(&_graph) { }
  1.1346 -//   };
  1.1347 -
  1.1348 -} //namespace lemon
  1.1349 -
  1.1350 -#endif //LEMON_GRAPH_WRAPPER_H
  1.1351 -