src/work/marci/graph_wrapper.h
author marci
Mon, 22 Mar 2004 12:17:44 +0000
changeset 230 734dd0649941
parent 212 c07e4dd32438
child 231 f62f11c9e6df
permissions -rw-r--r--
.
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// -*- c++ -*-
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#ifndef GRAPH_WRAPPER_H
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#define GRAPH_WRAPPER_H
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#include <invalid.h>
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namespace hugo {
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  template<typename Graph>
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  class TrivGraphWrapper {
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  protected:
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    Graph* graph;
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  public:
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    typedef Graph BaseGraph;
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    typedef typename Graph::Node Node;
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    typedef typename Graph::NodeIt NodeIt;
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    typedef typename Graph::Edge Edge;
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    typedef typename Graph::OutEdgeIt OutEdgeIt;
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    typedef typename Graph::InEdgeIt InEdgeIt;
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    //typedef typename Graph::SymEdgeIt SymEdgeIt;
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    typedef typename Graph::EdgeIt EdgeIt;
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    //TrivGraphWrapper() : graph(0) { }
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    TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }
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    void setGraph(Graph& _graph) { graph = &_graph; }
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    Graph& getGraph() const { return (*graph); }
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    template<typename I> I& first(I& i) const { return graph->first(i); }
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    template<typename I, typename P> I& first(I& i, const P& p) const { 
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      return graph->first(i, p); }
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    template<typename I> I getNext(const I& i) const { 
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      return graph->getNext(i); }
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    template<typename I> I& next(I &i) const { return graph->next(i); }    
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    template< typename It > It first() const { 
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      It e; first(e); return e; }
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    template< typename It > It first(const Node& v) const { 
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      It e; first(e, v); return e; }
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    Node head(const Edge& e) const { return graph->head(e); }
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    Node tail(const Edge& e) const { return graph->tail(e); }
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    template<typename I> bool valid(const I& i) const 
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      { return graph->valid(i); }
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    //template<typename I> void setInvalid(const I &i);
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    //{ return graph->setInvalid(i); }
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    int nodeNum() const { return graph->nodeNum(); }
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    int edgeNum() const { return graph->edgeNum(); }
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    template<typename I> Node aNode(const I& e) const { 
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      return graph->aNode(e); }
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    template<typename I> Node bNode(const I& e) const { 
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      return graph->bNode(e); }
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    Node addNode() const { return graph->addNode(); }
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    Edge addEdge(const Node& tail, const Node& head) const { 
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      return graph->addEdge(tail, head); }
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    template<typename I> void erase(const I& i) const { graph->erase(i); }
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    void clear() const { graph->clear(); }
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    template<typename T> class NodeMap : public Graph::NodeMap<T> { 
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    public:
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      NodeMap(const TrivGraphWrapper<Graph>& _G) : 
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	Graph::NodeMap<T>(_G.getGraph()) { }
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      NodeMap(const TrivGraphWrapper<Graph>& _G, T a) : 
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	Graph::NodeMap<T>(_G.getGraph(), a) { }
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    };
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    template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
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    public:
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      EdgeMap(const TrivGraphWrapper<Graph>& _G) : 
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	Graph::EdgeMap<T>(_G.getGraph()) { }
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      EdgeMap(const TrivGraphWrapper<Graph>& _G, T a) : 
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	Graph::EdgeMap<T>(_G.getGraph(), a) { }
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    };
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  };
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  template<typename GraphWrapper>
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  class GraphWrapperSkeleton {
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  protected:
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    GraphWrapper gw;
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  public:
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    typedef typename GraphWrapper::BaseGraph BaseGraph;
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    typedef typename GraphWrapper::Node Node;
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    typedef typename GraphWrapper::NodeIt NodeIt;
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    typedef typename GraphWrapper::Edge Edge;
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    typedef typename GraphWrapper::OutEdgeIt OutEdgeIt;
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    typedef typename GraphWrapper::InEdgeIt InEdgeIt;
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    //typedef typename GraphWrapper::SymEdgeIt SymEdgeIt;
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    typedef typename GraphWrapper::EdgeIt EdgeIt;
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    //GraphWrapperSkeleton() : gw() { }
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    GraphWrapperSkeleton(GraphWrapper _gw) : gw(_gw) { }
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    void setGraph(BaseGraph& _graph) { gw.setGraph(_graph); }
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    BaseGraph& getGraph() const { return gw.getGraph(); }
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    template<typename I> I& first(I& i) const { return gw.first(i); }
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    template<typename I, typename P> I& first(I& i, const P& p) const { 
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      return gw.first(i, p); }
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    template<typename I> I getNext(const I& i) const { return gw.getNext(i); }
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    template<typename I> I& next(I &i) const { return gw.next(i); }    
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    template< typename It > It first() const { 
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      It e; this->first(e); return e; }
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    template< typename It > It first(const Node& v) const { 
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      It e; this->first(e, v); return e; }
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    Node head(const Edge& e) const { return gw.head(e); }
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    Node tail(const Edge& e) const { return gw.tail(e); }
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    template<typename I> bool valid(const I& i) const { return gw.valid(i); }
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    //template<typename I> void setInvalid(const I &i);
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    //{ return graph->setInvalid(i); }
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    int nodeNum() const { return gw.nodeNum(); }
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    int edgeNum() const { return gw.edgeNum(); }
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    template<typename I> Node aNode(const I& e) const { return gw.aNode(e); }
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    template<typename I> Node bNode(const I& e) const { return gw.bNode(e); }
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    Node addNode() const { return gw.addNode(); }
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    Edge addEdge(const Node& tail, const Node& head) const { 
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      return gw.addEdge(tail, head); }
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    template<typename I> void erase(const I& i) const { gw.erase(i); }
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    void clear() const { gw.clear(); }
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    template<typename T> class NodeMap : public GraphWrapper::NodeMap<T> { 
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    public:
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      NodeMap(const GraphWrapperSkeleton<GraphWrapper>& _G) : 
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	GraphWrapper::NodeMap<T>(_G.gw) { }
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      NodeMap(const GraphWrapperSkeleton<GraphWrapper>& _G, T a) : 
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	GraphWrapper::NodeMap<T>(_G.gw, a) { }
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    };
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    template<typename T> class EdgeMap : public GraphWrapper::EdgeMap<T> { 
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    public:
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      EdgeMap(const GraphWrapperSkeleton<GraphWrapper>& _G) : 
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	GraphWrapper::EdgeMap<T>(_G.gw) { }
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      EdgeMap(const GraphWrapperSkeleton<GraphWrapper>& _G, T a) : 
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	GraphWrapper::EdgeMap<T>(_G.gw, a) { }
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    };
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  };
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//   template<typename Graph>
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//   class RevGraphWrapper
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//   {
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//   protected:
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//     Graph* graph;
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//   public:
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//     typedef Graph BaseGraph;
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//     typedef typename Graph::Node Node;    
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//     typedef typename Graph::NodeIt NodeIt;
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//     typedef typename Graph::Edge Edge;
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//     typedef typename Graph::OutEdgeIt InEdgeIt;
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//     typedef typename Graph::InEdgeIt OutEdgeIt;
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//     //typedef typename Graph::SymEdgeIt SymEdgeIt;
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//     typedef typename Graph::EdgeIt EdgeIt;
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//     //RevGraphWrapper() : graph(0) { }
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//     RevGraphWrapper(Graph& _graph) : graph(&_graph) { }
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//     void setGraph(Graph& _graph) { graph = &_graph; }
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//     Graph& getGraph() const { return (*graph); }
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//     template<typename I> I& first(I& i) const { return graph->first(i); }
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//     template<typename I, typename P> I& first(I& i, const P& p) const { 
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//       return graph->first(i, p); }
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//     template<typename I> I getNext(const I& i) const { 
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//       return graph->getNext(i); }
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//     template<typename I> I& next(I &i) const { return graph->next(i); }    
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//     template< typename It > It first() const { 
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//       It e; first(e); return e; }
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//     template< typename It > It first(const Node& v) const { 
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//       It e; first(e, v); return e; }
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//     Node head(const Edge& e) const { return graph->tail(e); }
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//     Node tail(const Edge& e) const { return graph->head(e); }
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//     template<typename I> bool valid(const I& i) const 
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//       { return graph->valid(i); }
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//     //template<typename I> void setInvalid(const I &i);
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//     //{ return graph->setInvalid(i); }
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//     template<typename I> Node aNode(const I& e) const { 
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//       return graph->aNode(e); }
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//     template<typename I> Node bNode(const I& e) const { 
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//       return graph->bNode(e); }
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//     Node addNode() const { return graph->addNode(); }
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//     Edge addEdge(const Node& tail, const Node& head) const { 
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//       return graph->addEdge(tail, head); }
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//     int nodeNum() const { return graph->nodeNum(); }
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//     int edgeNum() const { return graph->edgeNum(); }
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//     template<typename I> void erase(const I& i) const { graph->erase(i); }
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//     void clear() const { graph->clear(); }
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//     template<typename T> class NodeMap : public Graph::NodeMap<T> { 
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//     public:
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//       NodeMap(const RevGraphWrapper<Graph>& _G) : 
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// 	Graph::NodeMap<T>(_G.getGraph()) { }
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//       NodeMap(const RevGraphWrapper<Graph>& _G, T a) : 
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// 	Graph::NodeMap<T>(_G.getGraph(), a) { }
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//     };
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//     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
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//     public:
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//       EdgeMap(const RevGraphWrapper<Graph>& _G) : 
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// 	Graph::EdgeMap<T>(_G.getGraph()) { }
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//       EdgeMap(const RevGraphWrapper<Graph>& _G, T a) : 
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// 	Graph::EdgeMap<T>(_G.getGraph(), a) { }
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//     };
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//   };
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  template<typename Graph>
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  class RevGraphWrapper : 
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    public GraphWrapperSkeleton< TrivGraphWrapper<Graph> > {
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  protected:
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    //Graph* graph;
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  public:
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    //typedef Graph BaseGraph;
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    //typedef typename Graph::Node Node;    
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    //typedef typename Graph::NodeIt NodeIt;
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    //typedef typename Graph::Edge Edge;
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    typedef typename GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::OutEdgeIt InEdgeIt;
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    typedef typename GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::InEdgeIt OutEdgeIt;
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    //typedef typename Graph::SymEdgeIt SymEdgeIt;
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    //typedef typename Graph::EdgeIt EdgeIt;
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    //RevGraphWrapper() : graph(0) { }
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    RevGraphWrapper(Graph& _graph) : GraphWrapperSkeleton< TrivGraphWrapper<Graph> >(TrivGraphWrapper<Graph>(_graph)) { }
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    //void setGraph(Graph& _graph) { graph = &_graph; }
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    //Graph& getGraph() const { return (*graph); }
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    //template<typename I> I& first(I& i) const { return graph->first(i); }
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    //template<typename I, typename P> I& first(I& i, const P& p) const { 
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    //  return graph->first(i, p); }
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    //template<typename I> I getNext(const I& i) const { 
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    //  return graph->getNext(i); }
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    //template<typename I> I& next(I &i) const { return graph->next(i); }    
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    //template< typename It > It first() const { 
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    //  It e; first(e); return e; }
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    //template< typename It > It first(const Node& v) const { 
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    //  It e; first(e, v); return e; }
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    //Node head(const Edge& e) const { return graph->tail(e); }
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    //Node tail(const Edge& e) const { return graph->head(e); }
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    //template<typename I> bool valid(const I& i) const 
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    //  { return graph->valid(i); }
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    //template<typename I> void setInvalid(const I &i);
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    //{ return graph->setInvalid(i); }
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    //template<typename I> Node aNode(const I& e) const { 
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    //  return graph->aNode(e); }
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    //template<typename I> Node bNode(const I& e) const { 
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    //  return graph->bNode(e); }
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    //Node addNode() const { return graph->addNode(); }
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    //Edge addEdge(const Node& tail, const Node& head) const { 
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    //  return graph->addEdge(tail, head); }
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    //int nodeNum() const { return graph->nodeNum(); }
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    //int edgeNum() const { return graph->edgeNum(); }
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    //template<typename I> void erase(const I& i) const { graph->erase(i); }
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    //void clear() const { graph->clear(); }
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    template<typename T> class NodeMap : 
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      public GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::NodeMap<T> 
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    { 
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    public:
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      NodeMap(const RevGraphWrapper<Graph>& _G) : 
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	GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::NodeMap<T>(_G) { }
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      NodeMap(const RevGraphWrapper<Graph>& _G, T a) : 
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	GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::NodeMap<T>(_G, a) { }
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    };
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    template<typename T> class EdgeMap : 
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      public GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::EdgeMap<T> { 
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    public:
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      EdgeMap(const RevGraphWrapper<Graph>& _G) : 
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	GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::EdgeMap<T>(_G) { }
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      EdgeMap(const RevGraphWrapper<Graph>& _G, T a) : 
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	GraphWrapperSkeleton< TrivGraphWrapper<Graph> >::EdgeMap<T>(_G, a) { }
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    };
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  };
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  template<typename Graph>
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  class UndirGraphWrapper {
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  protected:
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    Graph* graph;
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  public:
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    typedef Graph BaseGraph;
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    typedef typename Graph::Node Node;
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    typedef typename Graph::NodeIt NodeIt;
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    //typedef typename Graph::Edge Edge;
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    //typedef typename Graph::OutEdgeIt OutEdgeIt;
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    //typedef typename Graph::InEdgeIt InEdgeIt;
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    //typedef typename Graph::SymEdgeIt SymEdgeIt;
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    //typedef typename Graph::EdgeIt EdgeIt;
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    //private:
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    typedef typename Graph::Edge GraphEdge;
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    typedef typename Graph::OutEdgeIt GraphOutEdgeIt;
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    typedef typename Graph::InEdgeIt GraphInEdgeIt;
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    //public:
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    //UndirGraphWrapper() : graph(0) { }
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    UndirGraphWrapper(Graph& _graph) : graph(&_graph) { }
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    void setGraph(Graph& _graph) { graph = &_graph; }
marci@168
   357
    Graph& getGraph() const { return (*graph); }
marci@168
   358
  
marci@174
   359
    class Edge {
marci@158
   360
      friend class UndirGraphWrapper<Graph>;
marci@158
   361
      bool out_or_in; //true iff out
marci@158
   362
      GraphOutEdgeIt out;
marci@158
   363
      GraphInEdgeIt in;
marci@158
   364
    public:
marci@174
   365
      Edge() : out_or_in(), out(), in() { }
marci@174
   366
      Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }
marci@174
   367
      operator GraphEdge() const {
marci@158
   368
	if (out_or_in) return(out); else return(in);
marci@158
   369
      }
marci@174
   370
      friend bool operator==(const Edge& u, const Edge& v) { 
marci@174
   371
	if (v.out_or_in) 
marci@174
   372
	  return (u.out_or_in && u.out==v.out);
marci@174
   373
	else
marci@174
   374
	  return (!u.out_or_in && u.in==v.in);
marci@174
   375
      } 
marci@174
   376
      friend bool operator!=(const Edge& u, const Edge& v) { 
marci@174
   377
	if (v.out_or_in) 
marci@174
   378
	  return (!u.out_or_in || u.out!=v.out);
marci@174
   379
	else
marci@174
   380
	  return (u.out_or_in || u.in!=v.in);
marci@174
   381
      } 
marci@158
   382
    };
marci@158
   383
marci@174
   384
    class OutEdgeIt : public Edge {
marci@158
   385
      friend class UndirGraphWrapper<Graph>;
marci@158
   386
    public:
marci@174
   387
      OutEdgeIt() : Edge() { }
marci@174
   388
      OutEdgeIt(const Invalid& i) : Edge(i) { }
marci@174
   389
      OutEdgeIt(const UndirGraphWrapper& _G, const Node& n) : Edge() { 
marci@174
   390
	out_or_in=true;
marci@212
   391
	_G.graph->first(out, n);
marci@158
   392
	if (!(_G.graph->valid(out))) {
marci@158
   393
	  out_or_in=false;
marci@212
   394
	  _G.graph->first(in, n);
marci@158
   395
	}
marci@158
   396
      }
marci@158
   397
    };
marci@158
   398
marci@212
   399
    OutEdgeIt& first(OutEdgeIt& e, const Node& n) const {
marci@158
   400
      e.out_or_in=true;
marci@212
   401
      graph->first(e.out, n);
marci@158
   402
      if (!(graph->valid(e.out))) {
marci@158
   403
	e.out_or_in=false;
marci@212
   404
	graph->first(e.in, n);
marci@158
   405
      }
marci@158
   406
      return e;
marci@158
   407
    }
marci@158
   408
marci@158
   409
    OutEdgeIt& next(OutEdgeIt& e) const {
marci@158
   410
      if (e.out_or_in) {
marci@174
   411
	Node n=graph->tail(e.out);
marci@158
   412
	graph->next(e.out);
marci@158
   413
	if (!graph->valid(e.out)) {
marci@158
   414
	  e.out_or_in=false;
marci@212
   415
	  graph->first(e.in, n);
marci@158
   416
	}
marci@158
   417
      } else {
marci@158
   418
	graph->next(e.in);
marci@158
   419
      }
marci@158
   420
      return e;
marci@158
   421
    }
marci@158
   422
marci@174
   423
    Node aNode(const OutEdgeIt& e) const { 
marci@158
   424
      if (e.out_or_in) return graph->tail(e); else return graph->head(e); }
marci@174
   425
    Node bNode(const OutEdgeIt& e) const { 
marci@158
   426
      if (e.out_or_in) return graph->head(e); else return graph->tail(e); }
marci@158
   427
marci@158
   428
    typedef OutEdgeIt InEdgeIt; 
marci@158
   429
marci@212
   430
    template<typename I> I& first(I& i) const { return graph->first(i); }
marci@212
   431
//     template<typename I, typename P> I& first(I& i, const P& p) const { 
marci@212
   432
//       return graph->first(i, p); }
marci@158
   433
    
marci@158
   434
    template<typename I> I getNext(const I& i) const { 
marci@158
   435
      return graph->getNext(i); }
marci@158
   436
    template<typename I> I& next(I &i) const { return graph->next(i); }    
marci@158
   437
marci@158
   438
    template< typename It > It first() const { 
marci@212
   439
      It e; first(e); return e; }
marci@158
   440
marci@174
   441
    template< typename It > It first(const Node& v) const { 
marci@212
   442
      It e; first(e, v); return e; }
marci@158
   443
marci@174
   444
    Node head(const Edge& e) const { return graph->head(e); }
marci@174
   445
    Node tail(const Edge& e) const { return graph->tail(e); }
marci@158
   446
marci@158
   447
    template<typename I> bool valid(const I& i) const 
marci@158
   448
      { return graph->valid(i); }
marci@158
   449
  
marci@158
   450
    //template<typename I> void setInvalid(const I &i);
marci@158
   451
    //{ return graph->setInvalid(i); }
marci@158
   452
marci@158
   453
    int nodeNum() const { return graph->nodeNum(); }
marci@158
   454
    int edgeNum() const { return graph->edgeNum(); }
marci@158
   455
  
marci@174
   456
//     template<typename I> Node aNode(const I& e) const { 
marci@158
   457
//       return graph->aNode(e); }
marci@174
   458
//     template<typename I> Node bNode(const I& e) const { 
marci@158
   459
//       return graph->bNode(e); }
marci@158
   460
  
marci@174
   461
    Node addNode() const { return graph->addNode(); }
marci@174
   462
    Edge addEdge(const Node& tail, const Node& head) const { 
marci@158
   463
      return graph->addEdge(tail, head); }
marci@158
   464
  
marci@158
   465
    template<typename I> void erase(const I& i) const { graph->erase(i); }
marci@158
   466
  
marci@158
   467
    void clear() const { graph->clear(); }
marci@158
   468
    
marci@158
   469
    template<typename T> class NodeMap : public Graph::NodeMap<T> { 
marci@158
   470
    public:
marci@158
   471
      NodeMap(const UndirGraphWrapper<Graph>& _G) : 
marci@158
   472
	Graph::NodeMap<T>(_G.getGraph()) { }
marci@158
   473
      NodeMap(const UndirGraphWrapper<Graph>& _G, T a) : 
marci@158
   474
	Graph::NodeMap<T>(_G.getGraph(), a) { }
marci@158
   475
    };
marci@168
   476
marci@158
   477
    template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
marci@158
   478
    public:
marci@158
   479
      EdgeMap(const UndirGraphWrapper<Graph>& _G) : 
marci@158
   480
	Graph::EdgeMap<T>(_G.getGraph()) { }
marci@158
   481
      EdgeMap(const UndirGraphWrapper<Graph>& _G, T a) : 
marci@158
   482
	Graph::EdgeMap<T>(_G.getGraph(), a) { }
marci@158
   483
    };
marci@158
   484
  };
marci@158
   485
marci@158
   486
marci@158
   487
marci@155
   488
//   template<typename Graph>
marci@155
   489
//   class SymGraphWrapper
marci@155
   490
//   {
marci@155
   491
//     Graph* graph;
marci@76
   492
  
marci@155
   493
//   public:
marci@155
   494
//     typedef Graph BaseGraph;
marci@155
   495
marci@174
   496
//     typedef typename Graph::Node Node;
marci@174
   497
//     typedef typename Graph::Edge Edge;
marci@174
   498
  
marci@155
   499
//     typedef typename Graph::NodeIt NodeIt;
marci@155
   500
    
marci@155
   501
//     //FIXME tag-ekkel megcsinalni, hogy abbol csinaljon
marci@155
   502
//     //iranyitatlant, ami van
marci@155
   503
//     //mert csak 1 dolgot lehet be typedef-elni
marci@155
   504
//     typedef typename Graph::OutEdgeIt SymEdgeIt;
marci@155
   505
//     //typedef typename Graph::InEdgeIt SymEdgeIt;
marci@155
   506
//     //typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@174
   507
//     typedef typename Graph::EdgeIt EdgeIt;
marci@155
   508
marci@155
   509
//     int nodeNum() const { return graph->nodeNum(); }
marci@155
   510
//     int edgeNum() const { return graph->edgeNum(); }
marci@155
   511
    
marci@212
   512
//     template<typename I> I& first(I& i) const { return graph->first(i); }
marci@212
   513
//     template<typename I, typename P> I& first(I& i, const P& p) const { 
marci@212
   514
//       return graph->first(i, p); }
marci@155
   515
//     //template<typename I> I next(const I i); { return graph->goNext(i); }
marci@155
   516
//     //template<typename I> I &goNext(I &i); { return graph->goNext(i); }
marci@155
   517
marci@155
   518
//     template< typename It > It first() const { 
marci@212
   519
//       It e; first(e); return e; }
marci@155
   520
marci@174
   521
//     template< typename It > It first(Node v) const { 
marci@212
   522
//       It e; first(e, v); return e; }
marci@155
   523
marci@174
   524
//     Node head(const Edge& e) const { return graph->head(e); }
marci@174
   525
//     Node tail(const Edge& e) const { return graph->tail(e); }
marci@155
   526
  
marci@174
   527
//     template<typename I> Node aNode(const I& e) const { 
marci@155
   528
//       return graph->aNode(e); }
marci@174
   529
//     template<typename I> Node bNode(const I& e) const { 
marci@155
   530
//       return graph->bNode(e); }
marci@155
   531
  
marci@155
   532
//     //template<typename I> bool valid(const I i);
marci@155
   533
//     //{ return graph->valid(i); }
marci@155
   534
  
marci@155
   535
//     //template<typename I> void setInvalid(const I &i);
marci@155
   536
//     //{ return graph->setInvalid(i); }
marci@155
   537
  
marci@174
   538
//     Node addNode() { return graph->addNode(); }
marci@174
   539
//     Edge addEdge(const Node& tail, const Node& head) { 
marci@155
   540
//       return graph->addEdge(tail, head); }
marci@155
   541
  
marci@155
   542
//     template<typename I> void erase(const I& i) { graph->erase(i); }
marci@155
   543
  
marci@155
   544
//     void clear() { graph->clear(); }
marci@155
   545
  
marci@155
   546
//     template<typename T> class NodeMap : public Graph::NodeMap<T> { };
marci@155
   547
//     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { };
marci@155
   548
  
marci@155
   549
//     void setGraph(Graph& _graph) { graph = &_graph; }
marci@155
   550
//     Graph& getGraph() { return (*graph); }
marci@155
   551
marci@155
   552
//     //SymGraphWrapper() : graph(0) { }
marci@155
   553
//     SymGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@155
   554
//   };
marci@155
   555
marci@155
   556
marci@155
   557
  template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
marci@155
   558
  class ResGraphWrapper {
marci@76
   559
  public:
marci@76
   560
    typedef Graph BaseGraph;
marci@174
   561
    typedef typename Graph::Node Node;
marci@155
   562
    typedef typename Graph::NodeIt NodeIt;
marci@155
   563
  private:
marci@155
   564
    typedef typename Graph::OutEdgeIt OldOutEdgeIt;
marci@155
   565
    typedef typename Graph::InEdgeIt OldInEdgeIt;
marci@199
   566
  protected:
marci@174
   567
    const Graph* graph;
marci@155
   568
    FlowMap* flow;
marci@155
   569
    const CapacityMap* capacity;
marci@155
   570
  public:
marci@168
   571
marci@155
   572
    ResGraphWrapper(const Graph& _G, FlowMap& _flow, 
marci@155
   573
	     const CapacityMap& _capacity) : 
marci@174
   574
      graph(&_G), flow(&_flow), capacity(&_capacity) { }
marci@168
   575
marci@168
   576
    void setGraph(const Graph& _graph) { graph = &_graph; }
marci@174
   577
    const Graph& getGraph() const { return (*graph); }
marci@168
   578
marci@174
   579
    class Edge; 
marci@155
   580
    class OutEdgeIt; 
marci@174
   581
    friend class Edge; 
marci@155
   582
    friend class OutEdgeIt; 
marci@76
   583
marci@174
   584
    class Edge {
marci@155
   585
      friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
marci@155
   586
    protected:
marci@168
   587
      bool out_or_in; //true, iff out
marci@155
   588
      OldOutEdgeIt out;
marci@155
   589
      OldInEdgeIt in;
marci@155
   590
    public:
marci@174
   591
      Edge() : out_or_in(true) { } 
marci@174
   592
      Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }
marci@168
   593
//       bool valid() const { 
marci@168
   594
// 	return out_or_in && out.valid() || in.valid(); }
marci@174
   595
      friend bool operator==(const Edge& u, const Edge& v) { 
marci@174
   596
	if (v.out_or_in) 
marci@174
   597
	  return (u.out_or_in && u.out==v.out);
marci@174
   598
	else
marci@174
   599
	  return (!u.out_or_in && u.in==v.in);
marci@174
   600
      } 
marci@174
   601
      friend bool operator!=(const Edge& u, const Edge& v) { 
marci@174
   602
	if (v.out_or_in) 
marci@174
   603
	  return (!u.out_or_in || u.out!=v.out);
marci@174
   604
	else
marci@174
   605
	  return (u.out_or_in || u.in!=v.in);
marci@174
   606
      } 
marci@155
   607
    };
marci@155
   608
marci@155
   609
marci@174
   610
    class OutEdgeIt : public Edge {
marci@155
   611
      friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
marci@155
   612
    public:
marci@155
   613
      OutEdgeIt() { }
marci@168
   614
      //FIXME
marci@174
   615
      OutEdgeIt(const Edge& e) : Edge(e) { }
marci@174
   616
      OutEdgeIt(const Invalid& i) : Edge(i) { }
marci@155
   617
    private:
marci@174
   618
      OutEdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG, Node v) : Edge() { 
marci@212
   619
	resG.graph->first(out, v);
marci@174
   620
	while( resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }
marci@174
   621
	if (!resG.graph->valid(out)) {
marci@155
   622
	  out_or_in=0;
marci@212
   623
	  resG.graph->first(in, v);
marci@174
   624
	  while( resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }
marci@155
   625
	}
marci@155
   626
      }
marci@168
   627
//     public:
marci@168
   628
//       OutEdgeIt& operator++() { 
marci@168
   629
// 	if (out_or_in) {
marci@174
   630
// 	  Node v=/*resG->*/G->aNode(out);
marci@168
   631
// 	  ++out;
marci@174
   632
// 	  while( out.valid() && !(Edge::free()>0) ) { ++out; }
marci@168
   633
// 	  if (!out.valid()) {
marci@168
   634
// 	    out_or_in=0;
marci@212
   635
// 	    G->first(in, v); 
marci@174
   636
// 	    while( in.valid() && !(Edge::free()>0) ) { ++in; }
marci@168
   637
// 	  }
marci@168
   638
// 	} else {
marci@168
   639
// 	  ++in;
marci@174
   640
// 	  while( in.valid() && !(Edge::free()>0) ) { ++in; } 
marci@168
   641
// 	}
marci@168
   642
// 	return *this; 
marci@168
   643
//       }
marci@155
   644
    };
marci@155
   645
marci@174
   646
    class EdgeIt : public Edge {
marci@155
   647
      friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
marci@174
   648
      typename Graph::NodeIt v;
marci@155
   649
    public:
marci@174
   650
      EdgeIt() { }
marci@174
   651
      //EdgeIt(const EdgeIt& e) : Edge(e), v(e.v) { }
marci@174
   652
      EdgeIt(const Invalid& i) : Edge(i) { }
marci@174
   653
      EdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG) : Edge() { 
marci@212
   654
	resG.graph->first(v);
marci@212
   655
	if (resG.graph->valid(v)) resG.graph->first(out, v); else out=OldOutEdgeIt(INVALID);
marci@174
   656
	while (resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }
marci@174
   657
	while (resG.graph->valid(v) && !resG.graph->valid(out)) { 
marci@174
   658
	  resG.graph->next(v); 
marci@212
   659
	  if (resG.graph->valid(v)) resG.graph->first(out, v); 
marci@174
   660
	  while (resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }
marci@155
   661
	}
marci@174
   662
	if (!resG.graph->valid(out)) {
marci@155
   663
	  out_or_in=0;
marci@212
   664
	  resG.graph->first(v);
marci@212
   665
	  if (resG.graph->valid(v)) resG.graph->first(in, v); else in=OldInEdgeIt(INVALID);
marci@174
   666
	  while (resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }
marci@174
   667
	  while (resG.graph->valid(v) && !resG.graph->valid(in)) { 
marci@174
   668
	    resG.graph->next(v); 
marci@212
   669
	    if (resG.graph->valid(v)) resG.graph->first(in, v); 
marci@174
   670
	    while (resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }
marci@155
   671
	  }
marci@155
   672
	}
marci@155
   673
      }
marci@174
   674
//       EdgeIt& operator++() { 
marci@168
   675
// 	if (out_or_in) {
marci@168
   676
// 	  ++out;
marci@174
   677
// 	  while (out.valid() && !(Edge::free()>0) ) { ++out; }
marci@168
   678
// 	  while (v.valid() && !out.valid()) { 
marci@168
   679
// 	    ++v; 
marci@212
   680
// 	    if (v.valid()) G->first(out, v); 
marci@174
   681
// 	    while (out.valid() && !(Edge::free()>0) ) { ++out; }
marci@168
   682
// 	  }
marci@168
   683
// 	  if (!out.valid()) {
marci@168
   684
// 	    out_or_in=0;
marci@212
   685
// 	    G->first(v);
marci@212
   686
// 	    if (v.valid()) G->first(in, v); else in=OldInEdgeIt();
marci@174
   687
// 	    while (in.valid() && !(Edge::free()>0) ) { ++in; }
marci@168
   688
// 	    while (v.valid() && !in.valid()) { 
marci@168
   689
// 	      ++v; 
marci@212
   690
// 	      if (v.valid()) G->first(in, v); 
marci@174
   691
// 	      while (in.valid() && !(Edge::free()>0) ) { ++in; }
marci@168
   692
// 	    }  
marci@168
   693
// 	  }
marci@168
   694
// 	} else {
marci@168
   695
// 	  ++in;
marci@174
   696
// 	  while (in.valid() && !(Edge::free()>0) ) { ++in; }
marci@168
   697
// 	  while (v.valid() && !in.valid()) { 
marci@168
   698
// 	    ++v; 
marci@212
   699
// 	    if (v.valid()) G->first(in, v); 
marci@174
   700
// 	    while (in.valid() && !(Edge::free()>0) ) { ++in; }
marci@168
   701
// 	  }
marci@168
   702
// 	}
marci@168
   703
// 	return *this;
marci@168
   704
//       }
marci@155
   705
    };
marci@155
   706
marci@212
   707
    NodeIt& first(NodeIt& v) const { return graph->first(v); }
marci@212
   708
    OutEdgeIt& first(OutEdgeIt& e, Node v) const { 
marci@168
   709
      e=OutEdgeIt(*this, v); 
marci@174
   710
      return e;
marci@155
   711
    }
marci@212
   712
    EdgeIt& first(EdgeIt& e) const { 
marci@174
   713
      e=EdgeIt(*this); 
marci@174
   714
      return e;
marci@155
   715
    }
marci@155
   716
   
marci@174
   717
    NodeIt& next(NodeIt& n) const { return graph->next(n); }
marci@155
   718
marci@155
   719
    OutEdgeIt& next(OutEdgeIt& e) const { 
marci@155
   720
      if (e.out_or_in) {
marci@174
   721
	Node v=graph->aNode(e.out);
marci@174
   722
	graph->next(e.out);
marci@174
   723
	while( graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }
marci@174
   724
	if (!graph->valid(e.out)) {
marci@155
   725
	  e.out_or_in=0;
marci@212
   726
	  graph->first(e.in, v); 
marci@174
   727
	  while( graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
marci@155
   728
	}
marci@155
   729
      } else {
marci@174
   730
	graph->next(e.in);
marci@174
   731
	while( graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); } 
marci@155
   732
      }
marci@155
   733
      return e;
marci@155
   734
    }
marci@155
   735
marci@174
   736
    EdgeIt& next(EdgeIt& e) const { 
marci@155
   737
      if (e.out_or_in) {
marci@174
   738
	graph->next(e.out);
marci@174
   739
	while (graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }
marci@174
   740
	  while (graph->valid(e.v) && !graph->valid(e.out)) { 
marci@174
   741
	    graph->next(e.v); 
marci@212
   742
	    if (graph->valid(e.v)) graph->first(e.out, e.v); 
marci@174
   743
	    while (graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }
marci@155
   744
	  }
marci@174
   745
	  if (!graph->valid(e.out)) {
marci@155
   746
	    e.out_or_in=0;
marci@212
   747
	    graph->first(e.v);
marci@212
   748
	    if (graph->valid(e.v)) graph->first(e.in, e.v); else e.in=OldInEdgeIt(INVALID);
marci@174
   749
	    while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
marci@174
   750
	    while (graph->valid(e.v) && !graph->valid(e.in)) { 
marci@174
   751
	      graph->next(e.v); 
marci@212
   752
	      if (graph->valid(e.v)) graph->first(e.in, e.v); 
marci@174
   753
	      while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
marci@155
   754
	    }  
marci@155
   755
	  }
marci@155
   756
	} else {
marci@174
   757
	  graph->next(e.in);
marci@174
   758
	  while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
marci@174
   759
	  while (graph->valid(e.v) && !graph->valid(e.in)) { 
marci@174
   760
	    graph->next(e.v); 
marci@212
   761
	    if (graph->valid(e.v)) graph->first(e.in, e.v); 
marci@174
   762
	    while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
marci@155
   763
	  }
marci@155
   764
	}
marci@155
   765
	return e;
marci@155
   766
      }
marci@76
   767
    
marci@76
   768
marci@155
   769
    template< typename It >
marci@155
   770
    It first() const { 
marci@155
   771
      It e;
marci@212
   772
      first(e);
marci@155
   773
      return e; 
marci@155
   774
    }
marci@76
   775
marci@155
   776
    template< typename It >
marci@174
   777
    It first(Node v) const { 
marci@155
   778
      It e;
marci@212
   779
      first(e, v);
marci@155
   780
      return e; 
marci@155
   781
    }
marci@76
   782
marci@174
   783
    Node tail(Edge e) const { 
marci@174
   784
      return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }
marci@174
   785
    Node head(Edge e) const { 
marci@174
   786
      return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }
marci@76
   787
marci@174
   788
    Node aNode(OutEdgeIt e) const { 
marci@174
   789
      return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }
marci@174
   790
    Node bNode(OutEdgeIt e) const { 
marci@174
   791
      return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }
marci@76
   792
marci@174
   793
    int id(Node v) const { return graph->id(v); }
marci@155
   794
marci@174
   795
    bool valid(Node n) const { return graph->valid(n); }
marci@174
   796
    bool valid(Edge e) const { 
marci@174
   797
      return e.out_or_in ? graph->valid(e.out) : graph->valid(e.in); }
marci@155
   798
marci@174
   799
    void augment(const Edge& e, Number a) const {
marci@168
   800
      if (e.out_or_in)  
marci@168
   801
	flow->set(e.out, flow->get(e.out)+a);
marci@168
   802
      else  
marci@168
   803
	flow->set(e.in, flow->get(e.in)-a);
marci@168
   804
    }
marci@168
   805
marci@174
   806
    Number free(const Edge& e) const { 
marci@168
   807
      if (e.out_or_in) 
marci@168
   808
	return (capacity->get(e.out)-flow->get(e.out)); 
marci@168
   809
      else 
marci@168
   810
	return (flow->get(e.in)); 
marci@168
   811
    }
marci@168
   812
marci@168
   813
    Number free(OldOutEdgeIt out) const { 
marci@168
   814
      return (capacity->get(out)-flow->get(out)); 
marci@168
   815
    }
marci@168
   816
    
marci@168
   817
    Number free(OldInEdgeIt in) const { 
marci@168
   818
      return (flow->get(in)); 
marci@168
   819
    }
marci@168
   820
marci@155
   821
    template<typename T> class NodeMap : public Graph::NodeMap<T> { 
marci@155
   822
    public:
marci@155
   823
      NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) 
marci@158
   824
	: Graph::NodeMap<T>(_G.getGraph()) { }
marci@155
   825
      NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, 
marci@158
   826
	      T a) : Graph::NodeMap<T>(_G.getGraph(), a) { }
marci@155
   827
    };
marci@155
   828
marci@155
   829
//     template <typename T>
marci@155
   830
//     class NodeMap {
marci@155
   831
//       typename Graph::NodeMap<T> node_map; 
marci@155
   832
//     public:
marci@174
   833
//       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : node_map(*(_G.graph)) { }
marci@174
   834
//       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : node_map(*(_G.graph), a) { }
marci@174
   835
//       void set(Node nit, T a) { node_map.set(nit, a); }
marci@174
   836
//       T get(Node nit) const { return node_map.get(nit); }
marci@155
   837
//     };
marci@155
   838
marci@155
   839
    template <typename T>
marci@155
   840
    class EdgeMap {
marci@155
   841
      typename Graph::EdgeMap<T> forward_map, backward_map; 
marci@155
   842
    public:
marci@158
   843
      EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : forward_map(_G.getGraph()), backward_map(_G.getGraph()) { }
marci@158
   844
      EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : forward_map(_G.getGraph(), a), backward_map(_G.getGraph(), a) { }
marci@174
   845
      void set(Edge e, T a) { 
marci@155
   846
	if (e.out_or_in) 
marci@155
   847
	  forward_map.set(e.out, a); 
marci@155
   848
	else 
marci@155
   849
	  backward_map.set(e.in, a); 
marci@155
   850
      }
marci@174
   851
      T get(Edge e) { 
marci@155
   852
	if (e.out_or_in) 
marci@155
   853
	  return forward_map.get(e.out); 
marci@155
   854
	else 
marci@155
   855
	  return backward_map.get(e.in); 
marci@155
   856
      }
marci@155
   857
    };
marci@168
   858
  };
marci@168
   859
marci@168
   860
  template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
marci@168
   861
  class ErasingResGraphWrapper : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap> {
marci@168
   862
  protected:
marci@168
   863
    ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt> first_out_edges;
marci@168
   864
    //ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<int> dist;
marci@168
   865
  public:
marci@168
   866
    ErasingResGraphWrapper(const Graph& _G, FlowMap& _flow, 
marci@168
   867
			   const CapacityMap& _capacity) : 
marci@168
   868
      ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>(_G, _flow, _capacity), 
marci@168
   869
      first_out_edges(*this) /*, dist(*this)*/ { 
marci@174
   870
      for(NodeIt n=this->template first<NodeIt>(); this->valid(n); this->next(n)) {
marci@168
   871
	OutEdgeIt e;
marci@212
   872
	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(e, n);
marci@168
   873
	first_out_edges.set(n, e);
marci@168
   874
      }
marci@168
   875
    }
marci@168
   876
marci@168
   877
    //void setGraph(Graph& _graph) { graph = &_graph; }
marci@168
   878
    //Graph& getGraph() const { return (*graph); }
marci@168
   879
  
marci@168
   880
    //TrivGraphWrapper() : graph(0) { }
marci@168
   881
    //ErasingResGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@168
   882
marci@168
   883
    //typedef Graph BaseGraph;
marci@168
   884
marci@174
   885
    //typedef typename Graph::Node Node;
marci@168
   886
    //typedef typename Graph::NodeIt NodeIt;
marci@168
   887
marci@174
   888
    //typedef typename Graph::Edge Edge;
marci@168
   889
    //typedef typename Graph::OutEdgeIt OutEdgeIt;
marci@168
   890
    //typedef typename Graph::InEdgeIt InEdgeIt;
marci@168
   891
    //typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@174
   892
    //typedef typename Graph::EdgeIt EdgeIt;
marci@168
   893
marci@174
   894
    typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Node Node;
marci@168
   895
    typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeIt NodeIt;
marci@168
   896
marci@174
   897
    typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Edge Edge;
marci@168
   898
    typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt OutEdgeIt;
marci@168
   899
    //typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::InEdgeIt InEdgeIt;
marci@168
   900
    //typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@174
   901
    //typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeIt EdgeIt;
marci@168
   902
marci@212
   903
    NodeIt& first(NodeIt& n) const { 
marci@212
   904
      return ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(n);
marci@168
   905
    }
marci@168
   906
marci@212
   907
    OutEdgeIt& first(OutEdgeIt& e, const Node& n) const { 
marci@168
   908
      e=first_out_edges.get(n);
marci@168
   909
      return e;
marci@168
   910
    }
marci@168
   911
    
marci@212
   912
    //ROSSZ template<typename I> I& first(I& i) const { return first(i); }
marci@212
   913
    //ROSSZ template<typename I, typename P> I& first(I& i, const P& p) const { 
marci@212
   914
    //  return first(i, p); }
marci@168
   915
    
marci@168
   916
    //template<typename I> I getNext(const I& i) const { 
marci@168
   917
    //  return graph->getNext(i); }
marci@168
   918
    //template<typename I> I& next(I &i) const { return graph->next(i); }    
marci@168
   919
marci@168
   920
    template< typename It > It first() const { 
marci@212
   921
      It e; first(e); return e; }
marci@168
   922
marci@174
   923
    template< typename It > It first(const Node& v) const { 
marci@212
   924
      It e; first(e, v); return e; }
marci@168
   925
marci@174
   926
    //Node head(const Edge& e) const { return graph->head(e); }
marci@174
   927
    //Node tail(const Edge& e) const { return graph->tail(e); }
marci@168
   928
marci@168
   929
    //template<typename I> bool valid(const I& i) const 
marci@168
   930
    //  { return graph->valid(i); }
marci@168
   931
  
marci@168
   932
    //int nodeNum() const { return graph->nodeNum(); }
marci@168
   933
    //int edgeNum() const { return graph->edgeNum(); }
marci@168
   934
  
marci@174
   935
    //template<typename I> Node aNode(const I& e) const { 
marci@168
   936
    //  return graph->aNode(e); }
marci@174
   937
    //template<typename I> Node bNode(const I& e) const { 
marci@168
   938
    //  return graph->bNode(e); }
marci@168
   939
  
marci@174
   940
    //Node addNode() const { return graph->addNode(); }
marci@174
   941
    //Edge addEdge(const Node& tail, const Node& head) const { 
marci@168
   942
    //  return graph->addEdge(tail, head); }
marci@168
   943
  
marci@168
   944
    //void erase(const OutEdgeIt& e) {
marci@168
   945
    //  first_out_edge(this->tail(e))=e;
marci@168
   946
    //}
marci@174
   947
    void erase(const Edge& e) {
marci@168
   948
      OutEdgeIt f(e);
marci@168
   949
      next(f);
marci@168
   950
      first_out_edges.set(this->tail(e), f);
marci@168
   951
    }
marci@168
   952
    //template<typename I> void erase(const I& i) const { graph->erase(i); }
marci@168
   953
  
marci@168
   954
    //void clear() const { graph->clear(); }
marci@168
   955
    
marci@168
   956
    template<typename T> class NodeMap : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T> { 
marci@168
   957
    public:
marci@168
   958
      NodeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : 
marci@168
   959
	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/) { }
marci@168
   960
      NodeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : 
marci@168
   961
	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/, a) { }
marci@168
   962
    };
marci@168
   963
marci@168
   964
    template<typename T> class EdgeMap : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T> { 
marci@168
   965
    public:
marci@168
   966
      EdgeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : 
marci@168
   967
	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/) { }
marci@168
   968
      EdgeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : 
marci@168
   969
	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/, a) { }
marci@168
   970
    };
marci@168
   971
  };
marci@168
   972
marci@168
   973
  template<typename GraphWrapper> 
marci@168
   974
  class FilterGraphWrapper {
marci@168
   975
  };
marci@168
   976
marci@168
   977
  template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
marci@168
   978
  class FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> > : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> {
marci@168
   979
marci@168
   980
    //Graph* graph;
marci@168
   981
  
marci@168
   982
  public:
marci@168
   983
    //typedef Graph BaseGraph;
marci@168
   984
marci@174
   985
    typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Node Node;
marci@168
   986
    typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeIt NodeIt;
marci@168
   987
marci@174
   988
    typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Edge Edge;
marci@168
   989
    typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt OutEdgeIt;
marci@168
   990
    //typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::InEdgeIt InEdgeIt;
marci@168
   991
    //typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@174
   992
    typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeIt EdgeIt;
marci@168
   993
marci@168
   994
    //FilterGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt> first_out_edges;
marci@168
   995
    
marci@168
   996
  public:
marci@168
   997
    FilterGraphWrapper(const Graph& _G, FlowMap& _flow, 
marci@168
   998
			   const CapacityMap& _capacity) : 
marci@199
   999
      ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>(_G, _flow, _capacity), dist(*this, graph->nodeNum()) { 
marci@168
  1000
    }
marci@168
  1001
marci@212
  1002
    OutEdgeIt& first(OutEdgeIt& e, const Node& n) const {
marci@212
  1003
      ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(e, n);
marci@199
  1004
      while (valid(e) && (dist.get(tail(e))/*+1!=*/>=dist.get(head(e)))) 
marci@168
  1005
	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
marci@168
  1006
      return e;
marci@168
  1007
    }
marci@168
  1008
marci@174
  1009
    NodeIt& next(NodeIt& e) const {
marci@168
  1010
      return ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
marci@168
  1011
    }
marci@168
  1012
marci@168
  1013
    OutEdgeIt& next(OutEdgeIt& e) const {
marci@168
  1014
      ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
marci@199
  1015
      while (valid(e) && (dist.get(tail(e))/*+1!*/>=dist.get(head(e)))) 
marci@168
  1016
	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
marci@168
  1017
      return e;
marci@168
  1018
    }
marci@168
  1019
marci@212
  1020
    NodeIt& first(NodeIt& n) const {
marci@212
  1021
      return ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(n);
marci@168
  1022
    }
marci@168
  1023
marci@174
  1024
    void erase(const Edge& e) {
marci@168
  1025
      OutEdgeIt f(e);
marci@168
  1026
      ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(f);
marci@199
  1027
      while (valid(f) && (dist.get(tail(f))/*+1!=*/>=dist.get(head(f)))) 
marci@168
  1028
	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(f);
marci@168
  1029
      first_out_edges.set(this->tail(e), f);
marci@168
  1030
    }
marci@168
  1031
marci@168
  1032
    //TrivGraphWrapper() : graph(0) { }
marci@168
  1033
    //TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@168
  1034
marci@168
  1035
    //void setGraph(Graph& _graph) { graph = &_graph; }
marci@168
  1036
    //Graph& getGraph() const { return (*graph); }
marci@168
  1037
    
marci@212
  1038
    //template<typename I> I& first(I& i) const { return graph->first(i); }
marci@212
  1039
    //template<typename I, typename P> I& first(I& i, const P& p) const { 
marci@212
  1040
    //  return graph->first(i, p); }
marci@168
  1041
    
marci@168
  1042
    //template<typename I> I getNext(const I& i) const { 
marci@168
  1043
    //  return graph->getNext(i); }
marci@168
  1044
    //template<typename I> I& next(I &i) const { return graph->next(i); }    
marci@168
  1045
marci@168
  1046
    template< typename It > It first() const { 
marci@212
  1047
      It e; first(e); return e; }
marci@168
  1048
marci@174
  1049
    template< typename It > It first(const Node& v) const { 
marci@212
  1050
      It e; first(e, v); return e; }
marci@168
  1051
marci@174
  1052
    //Node head(const Edge& e) const { return graph->head(e); }
marci@174
  1053
    //Node tail(const Edge& e) const { return graph->tail(e); }
marci@168
  1054
marci@168
  1055
    //template<typename I> bool valid(const I& i) const 
marci@168
  1056
    //  { return graph->valid(i); }
marci@168
  1057
  
marci@168
  1058
    //template<typename I> void setInvalid(const I &i);
marci@168
  1059
    //{ return graph->setInvalid(i); }
marci@168
  1060
marci@168
  1061
    //int nodeNum() const { return graph->nodeNum(); }
marci@168
  1062
    //int edgeNum() const { return graph->edgeNum(); }
marci@168
  1063
  
marci@174
  1064
    //template<typename I> Node aNode(const I& e) const { 
marci@168
  1065
    //  return graph->aNode(e); }
marci@174
  1066
    //template<typename I> Node bNode(const I& e) const { 
marci@168
  1067
    //  return graph->bNode(e); }
marci@168
  1068
  
marci@174
  1069
    //Node addNode() const { return graph->addNode(); }
marci@174
  1070
    //Edge addEdge(const Node& tail, const Node& head) const { 
marci@168
  1071
    //  return graph->addEdge(tail, head); }
marci@168
  1072
  
marci@168
  1073
    //template<typename I> void erase(const I& i) const { graph->erase(i); }
marci@168
  1074
  
marci@168
  1075
    //void clear() const { graph->clear(); }
marci@168
  1076
    
marci@168
  1077
    template<typename T> class NodeMap : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T> { 
marci@168
  1078
    public:
marci@168
  1079
      NodeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G) : 
marci@168
  1080
	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/) { }
marci@168
  1081
      NodeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G, T a) : 
marci@168
  1082
	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/, a) { }
marci@168
  1083
    };
marci@168
  1084
marci@168
  1085
    template<typename T> class EdgeMap : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T> { 
marci@168
  1086
    public:
marci@168
  1087
      EdgeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G) : 
marci@168
  1088
	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/) { }
marci@168
  1089
      EdgeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G, T a) : 
marci@168
  1090
	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/, a) { }
marci@168
  1091
    };
marci@168
  1092
marci@168
  1093
  public:
marci@168
  1094
    ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<int> dist;
marci@155
  1095
marci@76
  1096
  };
marci@76
  1097
marci@76
  1098
marci@148
  1099
marci@148
  1100
// // FIXME: comparison should be made better!!!
marci@148
  1101
//   template<typename Graph, typename T, typename LowerMap, typename FlowMap, typename UpperMap>
marci@148
  1102
//   class ResGraphWrapper
marci@148
  1103
//   {
marci@148
  1104
//     Graph* graph;
marci@76
  1105
  
marci@148
  1106
//   public:
marci@148
  1107
//     typedef Graph BaseGraph;
marci@76
  1108
marci@174
  1109
//     typedef typename Graph::Node Node;
marci@174
  1110
//     typedef typename Graph::Edge Edge;
marci@174
  1111
  
marci@148
  1112
//     typedef typename Graph::NodeIt NodeIt;
marci@76
  1113
   
marci@148
  1114
//     class OutEdgeIt {
marci@148
  1115
//     public:
marci@174
  1116
//       //Graph::Node n;
marci@148
  1117
//       bool out_or_in;
marci@148
  1118
//       typename Graph::OutEdgeIt o;
marci@148
  1119
//       typename Graph::InEdgeIt i;   
marci@148
  1120
//     };
marci@148
  1121
//     class InEdgeIt {
marci@148
  1122
//     public:
marci@174
  1123
//       //Graph::Node n;
marci@148
  1124
//       bool out_or_in;
marci@148
  1125
//       typename Graph::OutEdgeIt o;
marci@148
  1126
//       typename Graph::InEdgeIt i;   
marci@148
  1127
//     };
marci@148
  1128
//     typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@174
  1129
//     typedef typename Graph::EdgeIt EdgeIt;
marci@76
  1130
marci@148
  1131
//     int nodeNum() const { return graph->nodeNum(); }
marci@148
  1132
//     int edgeNum() const { return graph->edgeNum(); }
marci@76
  1133
marci@212
  1134
//     Node& first(Node& n) const { return graph->first(n); }
marci@76
  1135
marci@174
  1136
//     // Edge and SymEdge  is missing!!!!
marci@174
  1137
//     // Edge <-> In/OutEdgeIt conversion is missing!!!!
marci@76
  1138
marci@148
  1139
//     //FIXME
marci@212
  1140
//     OutEdgeIt& first(OutEdgeIt& e, const Node& n) const 
marci@148
  1141
//       {
marci@148
  1142
// 	e.n=n;
marci@212
  1143
// 	graph->first(e.o,n);
marci@148
  1144
// 	while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
marci@148
  1145
// 	  graph->goNext(e.o);
marci@148
  1146
// 	if(!graph->valid(e.o)) {
marci@212
  1147
// 	  graph->first(e.i,n);
marci@148
  1148
// 	  while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
marci@148
  1149
// 	    graph->goNext(e.i);
marci@148
  1150
// 	}
marci@148
  1151
// 	return e;
marci@148
  1152
//       }
marci@148
  1153
// /*
marci@148
  1154
//   OutEdgeIt &goNext(OutEdgeIt &e)
marci@148
  1155
//   {
marci@148
  1156
//   if(graph->valid(e.o)) {
marci@148
  1157
//   while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
marci@148
  1158
//   graph->goNext(e.o);
marci@148
  1159
//   if(graph->valid(e.o)) return e;
marci@212
  1160
//   else graph->first(e.i,e.n);
marci@148
  1161
//   }
marci@148
  1162
//   else {
marci@148
  1163
//   while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
marci@148
  1164
//   graph->goNext(e.i);
marci@148
  1165
//   return e;
marci@148
  1166
//   }
marci@148
  1167
//   }
marci@148
  1168
//   OutEdgeIt Next(const OutEdgeIt &e) {OutEdgeIt t(e); return goNext(t);}
marci@148
  1169
// */
marci@148
  1170
//     //bool valid(const OutEdgeIt e) { return graph->valid(e.o)||graph->valid(e.i);}
marci@76
  1171
marci@148
  1172
//     //FIXME
marci@212
  1173
//     InEdgeIt& first(InEdgeIt& e, const Node& n) const 
marci@148
  1174
//       {
marci@148
  1175
// 	e.n=n;
marci@212
  1176
// 	graph->first(e.i,n);
marci@148
  1177
// 	while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
marci@148
  1178
// 	  graph->goNext(e.i);
marci@148
  1179
// 	if(!graph->valid(e.i)) {
marci@212
  1180
// 	  graph->first(e.o,n);
marci@148
  1181
// 	  while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
marci@148
  1182
// 	    graph->goNext(e.o);
marci@148
  1183
// 	}
marci@148
  1184
// 	return e;
marci@148
  1185
//       }
marci@148
  1186
// /*
marci@148
  1187
//   InEdgeIt &goNext(InEdgeIt &e)
marci@148
  1188
//   {
marci@148
  1189
//   if(graph->valid(e.i)) {
marci@148
  1190
//   while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
marci@148
  1191
//   graph->goNext(e.i);
marci@148
  1192
//   if(graph->valid(e.i)) return e;
marci@212
  1193
//   else graph->first(e.o,e.n);
marci@148
  1194
//   }
marci@148
  1195
//   else {
marci@148
  1196
//   while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
marci@148
  1197
//   graph->goNext(e.o);
marci@148
  1198
//   return e;
marci@148
  1199
//   }
marci@148
  1200
//   }
marci@148
  1201
//   InEdgeIt Next(const InEdgeIt &e) {InEdgeIt t(e); return goNext(t);}
marci@148
  1202
// */
marci@148
  1203
//     //bool valid(const InEdgeIt e) { return graph->valid(e.i)||graph->valid(e.o);}
marci@76
  1204
marci@148
  1205
//     //template<typename I> I &goNext(I &i); { return graph->goNext(i); }
marci@148
  1206
//     //template<typename I> I next(const I i); { return graph->goNext(i); }
marci@76
  1207
marci@148
  1208
//     template< typename It > It first() const { 
marci@212
  1209
//       It e; first(e); return e; }
marci@76
  1210
marci@174
  1211
//     template< typename It > It first(Node v) const { 
marci@212
  1212
//       It e; first(e, v); return e; }
marci@76
  1213
marci@174
  1214
//     Node head(const Edge& e) const { return graph->head(e); }
marci@174
  1215
//     Node tail(const Edge& e) const { return graph->tail(e); }
marci@76
  1216
  
marci@174
  1217
//     template<typename I> Node aNode(const I& e) const { 
marci@148
  1218
//       return graph->aNode(e); }
marci@174
  1219
//     template<typename I> Node bNode(const I& e) const { 
marci@148
  1220
//       return graph->bNode(e); }
marci@76
  1221
  
marci@148
  1222
//     //template<typename I> bool valid(const I i);
marci@148
  1223
//     //{ return graph->valid(i); }
marci@76
  1224
  
marci@148
  1225
//     //template<typename I> void setInvalid(const I &i);
marci@148
  1226
//     //{ return graph->setInvalid(i); }
marci@76
  1227
  
marci@174
  1228
//     Node addNode() { return graph->addNode(); }
marci@174
  1229
//     Edge addEdge(const Node& tail, const Node& head) { 
marci@148
  1230
//       return graph->addEdge(tail, head); }
marci@76
  1231
  
marci@148
  1232
//     template<typename I> void erase(const I& i) { graph->erase(i); }
marci@76
  1233
  
marci@148
  1234
//     void clear() { graph->clear(); }
marci@76
  1235
  
marci@148
  1236
//     template<typename S> class NodeMap : public Graph::NodeMap<S> { };
marci@148
  1237
//     template<typename S> class EdgeMap : public Graph::EdgeMap<S> { };
marci@76
  1238
  
marci@148
  1239
//     void setGraph(Graph& _graph) { graph = &_graph; }
marci@148
  1240
//     Graph& getGraph() { return (*graph); }
marci@76
  1241
marci@148
  1242
//     //ResGraphWrapper() : graph(0) { }
marci@148
  1243
//     ResGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@148
  1244
//   };
marci@76
  1245
alpar@105
  1246
} //namespace hugo
marci@76
  1247
marci@76
  1248
#endif //GRAPH_WRAPPER_H
marci@76
  1249