diff -r d8863141824d -r fb261e3a9a0f src/include/smart_graph.h
--- a/src/include/smart_graph.h	Thu May 06 09:26:23 2004 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,614 +0,0 @@
-// -*- mode:C++ -*-
-
-#ifndef HUGO_SMART_GRAPH_H
-#define HUGO_SMART_GRAPH_H
-
-///\ingroup graphs
-///\file
-///\brief SmartGraph and SymSmartGraph classes.
-
-#include <vector>
-#include <limits.h>
-
-#include "invalid.h"
-
-namespace hugo {
-
-/// \addtogroup graphs
-/// @{
-  class SymSmartGraph;
-
-  ///A smart graph class.
-
-  ///This is a simple and fast graph implementation.
-  ///It is also quite memory efficient, but at the price
-  ///that <b> it does not support node and edge deletion</b>.
-  ///It conforms to the graph interface documented under
-  ///the description of \ref GraphSkeleton.
-  ///\sa \ref GraphSkeleton.
-  ///
-  ///\todo Some member functions could be \c static.
-  ///\author Alpar Juttner
-  class SmartGraph {
-
-    struct NodeT 
-    {
-      int first_in,first_out;      
-      NodeT() : first_in(-1), first_out(-1) {}
-    };
-    struct EdgeT 
-    {
-      int head, tail, next_in, next_out;      
-      //FIXME: is this necessary?
-      EdgeT() : next_in(-1), next_out(-1) {}  
-    };
-
-    std::vector<NodeT> nodes;
-
-    std::vector<EdgeT> edges;
-    
-    protected:
-    
-    template <typename Key> class DynMapBase
-    {
-    protected:
-      const SmartGraph* G; 
-    public:
-      virtual void add(const Key k) = 0;
-      virtual void erase(const Key k) = 0;
-      DynMapBase(const SmartGraph &_G) : G(&_G) {}
-      virtual ~DynMapBase() {}
-      friend class SmartGraph;
-    };
-    
-  public:
-    template <typename T> class EdgeMap;
-    template <typename T> class EdgeMap;
-
-    class Node;
-    class Edge;
-
-    //  protected:
-    // HELPME:
-  protected:
-    ///\bug It must be public because of SymEdgeMap.
-    ///
-    mutable std::vector<DynMapBase<Node> * > dyn_node_maps;
-    ///\bug It must be public because of SymEdgeMap.
-    ///
-    mutable std::vector<DynMapBase<Edge> * > dyn_edge_maps;
-    
-  public:
-
-
-    class NodeIt;
-    class EdgeIt;
-    class OutEdgeIt;
-    class InEdgeIt;
-    
-    template <typename T> class NodeMap;
-    template <typename T> class EdgeMap;
-    
-  public:
-
-    SmartGraph() : nodes(), edges() { }
-    SmartGraph(const SmartGraph &_g) : nodes(_g.nodes), edges(_g.edges) { }
-    
-    ~SmartGraph()
-    {
-      for(std::vector<DynMapBase<Node> * >::iterator i=dyn_node_maps.begin();
-	  i!=dyn_node_maps.end(); ++i) (**i).G=NULL;
-      for(std::vector<DynMapBase<Edge> * >::iterator i=dyn_edge_maps.begin();
-	  i!=dyn_edge_maps.end(); ++i) (**i).G=NULL;
-    }
-
-    int nodeNum() const { return nodes.size(); }  //FIXME: What is this?
-    int edgeNum() const { return edges.size(); }  //FIXME: What is this?
-
-    ///\bug This function does something different than
-    ///its name would suggests...
-    int maxNodeId() const { return nodes.size(); }  //FIXME: What is this?
-    ///\bug This function does something different than
-    ///its name would suggests...
-    int maxEdgeId() const { return edges.size(); }  //FIXME: What is this?
-
-    Node tail(Edge e) const { return edges[e.n].tail; }
-    Node head(Edge e) const { return edges[e.n].head; }
-
-    Node aNode(OutEdgeIt e) const { return edges[e.n].tail; }
-    Node aNode(InEdgeIt e) const { return edges[e.n].head; }
-
-    Node bNode(OutEdgeIt e) const { return edges[e.n].head; }
-    Node bNode(InEdgeIt e) const { return edges[e.n].tail; }
-
-    NodeIt& first(NodeIt& v) const { 
-      v=NodeIt(*this); return v; }
-    EdgeIt& first(EdgeIt& e) const { 
-      e=EdgeIt(*this); return e; }
-    OutEdgeIt& first(OutEdgeIt& e, const Node v) const { 
-      e=OutEdgeIt(*this,v); return e; }
-    InEdgeIt& first(InEdgeIt& e, const Node v) const { 
-      e=InEdgeIt(*this,v); return e; }
-
-//     template< typename It >
-//     It first() const { It e; first(e); return e; }
-
-//     template< typename It >
-//     It first(Node v) const { It e; first(e,v); return e; }
-
-    bool valid(Edge e) const { return e.n!=-1; }
-    bool valid(Node n) const { return n.n!=-1; }
-    
-    ///\deprecated Use
-    ///\code
-    ///  e=INVALID;
-    ///\endcode
-    ///instead.
-    void setInvalid(Edge &e) { e.n=-1; }
-    ///\deprecated Use
-    ///\code
-    ///  e=INVALID;
-    ///\endcode
-    ///instead.
-    void setInvalid(Node &n) { n.n=-1; }
-    
-    template <typename It> It getNext(It it) const
-    { It tmp(it); return next(tmp); }
-
-    NodeIt& next(NodeIt& it) const { 
-      it.n=(it.n+2)%(nodes.size()+1)-1; 
-      return it; 
-    }
-    OutEdgeIt& next(OutEdgeIt& it) const
-    { it.n=edges[it.n].next_out; return it; }
-    InEdgeIt& next(InEdgeIt& it) const
-    { it.n=edges[it.n].next_in; return it; }
-    EdgeIt& next(EdgeIt& it) const { --it.n; return it; }
-
-    int id(Node v) const { return v.n; }
-    int id(Edge e) const { return e.n; }
-
-    Node addNode() {
-      Node n; n.n=nodes.size();
-      nodes.push_back(NodeT()); //FIXME: Hmmm...
-
-      for(std::vector<DynMapBase<Node> * >::iterator i=dyn_node_maps.begin();
-	  i!=dyn_node_maps.end(); ++i) (**i).add(n);
-
-      return n;
-    }
-    
-    Edge addEdge(Node u, Node v) {
-      Edge e; e.n=edges.size(); edges.push_back(EdgeT()); //FIXME: Hmmm...
-      edges[e.n].tail=u.n; edges[e.n].head=v.n;
-      edges[e.n].next_out=nodes[u.n].first_out;
-      edges[e.n].next_in=nodes[v.n].first_in;
-      nodes[u.n].first_out=nodes[v.n].first_in=e.n;
-
-      for(std::vector<DynMapBase<Edge> * >::iterator i=dyn_edge_maps.begin();
-	  i!=dyn_edge_maps.end(); ++i) (**i).add(e);
-
-      return e;
-    }
-
-    void clear() {nodes.clear();edges.clear();}
-
-    class Node {
-      friend class SmartGraph;
-      template <typename T> friend class NodeMap;
-      
-      friend class Edge;
-      friend class OutEdgeIt;
-      friend class InEdgeIt;
-      friend class SymEdge;
-
-    protected:
-      int n;
-      friend int SmartGraph::id(Node v) const; 
-      Node(int nn) {n=nn;}
-    public:
-      Node() {}
-      Node (Invalid) { n=-1; }
-      bool operator==(const Node i) const {return n==i.n;}
-      bool operator!=(const Node i) const {return n!=i.n;}
-      bool operator<(const Node i) const {return n<i.n;}
-    };
-    
-    class NodeIt : public Node {
-      friend class SmartGraph;
-    public:
-      NodeIt() : Node() { }
-      NodeIt(Invalid i) : Node(i) { }
-      NodeIt(const SmartGraph& G) : Node(G.nodes.size()?0:-1) { }
-    };
-
-    class Edge {
-      friend class SmartGraph;
-      template <typename T> friend class EdgeMap;
-
-      //template <typename T> friend class SymSmartGraph::SymEdgeMap;      
-      //friend Edge SymSmartGraph::opposite(Edge) const;
-      
-      friend class Node;
-      friend class NodeIt;
-    protected:
-      int n;
-      friend int SmartGraph::id(Edge e) const;
-
-      Edge(int nn) {n=nn;}
-    public:
-      Edge() { }
-      Edge (Invalid) { n=-1; }
-      bool operator==(const Edge i) const {return n==i.n;}
-      bool operator!=(const Edge i) const {return n!=i.n;}
-      bool operator<(const Edge i) const {return n<i.n;}
-      ///\bug This is a workaround until somebody tells me how to
-      ///make class \c SymSmartGraph::SymEdgeMap friend of Edge
-      int &idref() {return n;}
-      const int &idref() const {return n;}
-    };
-    
-    class EdgeIt : public Edge {
-      friend class SmartGraph;
-    public:
-      EdgeIt(const SmartGraph& G) : Edge(G.edges.size()-1) { }
-      EdgeIt (Invalid i) : Edge(i) { }
-      EdgeIt() : Edge() { }
-      ///\bug This is a workaround until somebody tells me how to
-      ///make class \c SymSmartGraph::SymEdgeMap friend of Edge
-      int &idref() {return n;}
-    };
-    
-    class OutEdgeIt : public Edge {
-      friend class SmartGraph;
-    public: 
-      OutEdgeIt() : Edge() { }
-      OutEdgeIt (Invalid i) : Edge(i) { }
-
-      OutEdgeIt(const SmartGraph& G,const Node v)
-	: Edge(G.nodes[v.n].first_out) {}
-    };
-    
-    class InEdgeIt : public Edge {
-      friend class SmartGraph;
-    public: 
-      InEdgeIt() : Edge() { }
-      InEdgeIt (Invalid i) : Edge(i) { }
-      InEdgeIt(const SmartGraph& G,Node v) :Edge(G.nodes[v.n].first_in){}
-    };
-
-    template <typename T> class NodeMap : public DynMapBase<Node>
-    {
-      std::vector<T> container;
-
-    public:
-      typedef T ValueType;
-      typedef Node KeyType;
-
-      NodeMap(const SmartGraph &_G) :
-	DynMapBase<Node>(_G), container(_G.maxNodeId())
-      {
-	G->dyn_node_maps.push_back(this);
-      }
-      NodeMap(const SmartGraph &_G,const T &t) :
-	DynMapBase<Node>(_G), container(_G.maxNodeId(),t)
-      {
-	G->dyn_node_maps.push_back(this);
-      }
-      
-      NodeMap(const NodeMap<T> &m) :
- 	DynMapBase<Node>(*m.G), container(m.container)
-      {
- 	G->dyn_node_maps.push_back(this);
-      }
-
-      template<typename TT> friend class NodeMap;
- 
-      ///\todo It can copy between different types.
-      ///
-      template<typename TT> NodeMap(const NodeMap<TT> &m) :
-	DynMapBase<Node>(*m.G)
-      {
-	G->dyn_node_maps.push_back(this);
-	typename std::vector<TT>::const_iterator i;
-	for(typename std::vector<TT>::const_iterator i=m.container.begin();
-	    i!=m.container.end();
-	    i++)
-	  container.push_back(*i);
-      }
-      ~NodeMap()
-      {
-	if(G) {
-	  std::vector<DynMapBase<Node>* >::iterator i;
-	  for(i=G->dyn_node_maps.begin();
-	      i!=G->dyn_node_maps.end() && *i!=this; ++i) ;
-	  //if(*i==this) G->dyn_node_maps.erase(i); //FIXME: Way too slow...
-	  //A better way to do that: (Is this really important?)
-	  if(*i==this) {
-	    *i=G->dyn_node_maps.back();
-	    G->dyn_node_maps.pop_back();
-	  }
-	}
-      }
-
-      void add(const Node k) 
-      {
-	if(k.n>=int(container.size())) container.resize(k.n+1);
-      }
-
-      void erase(const Node) { }
-      
-      void set(Node n, T a) { container[n.n]=a; }
-      //'T& operator[](Node n)' would be wrong here
-      typename std::vector<T>::reference
-      operator[](Node n) { return container[n.n]; }
-      //'const T& operator[](Node n)' would be wrong here
-      typename std::vector<T>::const_reference 
-      operator[](Node n) const { return container[n.n]; }
-
-      ///\warning There is no safety check at all!
-      ///Using operator = between maps attached to different graph may
-      ///cause serious problem.
-      ///\todo Is this really so?
-      ///\todo It can copy between different types.
-      const NodeMap<T>& operator=(const NodeMap<T> &m)
-      {
-	container = m.container;
-	return *this;
-      }
-      template<typename TT>
-      const NodeMap<T>& operator=(const NodeMap<TT> &m)
-      {
-	std::copy(m.container.begin(), m.container.end(), container.begin());
-	return *this;
-      }
-      
-      void update() {}    //Useless for Dynamic Maps
-      void update(T a) {}  //Useless for Dynamic Maps
-    };
-    
-    template <typename T> class EdgeMap : public DynMapBase<Edge>
-    {
-      std::vector<T> container;
-
-    public:
-      typedef T ValueType;
-      typedef Edge KeyType;
-
-      EdgeMap(const SmartGraph &_G) :
-	DynMapBase<Edge>(_G), container(_G.maxEdgeId())
-      {
-	//FIXME: What if there are empty Id's?
-	//FIXME: Can I use 'this' in a constructor?
-	G->dyn_edge_maps.push_back(this);
-      }
-      EdgeMap(const SmartGraph &_G,const T &t) :
-	DynMapBase<Edge>(_G), container(_G.maxEdgeId(),t)
-      {
-	G->dyn_edge_maps.push_back(this);
-      } 
-      EdgeMap(const EdgeMap<T> &m) :
- 	DynMapBase<Edge>(*m.G), container(m.container)
-      {
- 	G->dyn_edge_maps.push_back(this);
-      }
-
-      template<typename TT> friend class EdgeMap;
-
-      ///\todo It can copy between different types.
-      ///
-      template<typename TT> EdgeMap(const EdgeMap<TT> &m) :
-	DynMapBase<Edge>(*m.G)
-      {
-	G->dyn_edge_maps.push_back(this);
-	typename std::vector<TT>::const_iterator i;
-	for(typename std::vector<TT>::const_iterator i=m.container.begin();
-	    i!=m.container.end();
-	    i++)
-	  container.push_back(*i);
-      }
-      ~EdgeMap()
-      {
-	if(G) {
-	  std::vector<DynMapBase<Edge>* >::iterator i;
-	  for(i=G->dyn_edge_maps.begin();
-	      i!=G->dyn_edge_maps.end() && *i!=this; ++i) ;
-	  //if(*i==this) G->dyn_edge_maps.erase(i); //Way too slow...
-	  //A better way to do that: (Is this really important?)
-	  if(*i==this) {
-	    *i=G->dyn_edge_maps.back();
-	    G->dyn_edge_maps.pop_back();
-	  }
-	}
-      }
-      
-      void add(const Edge k) 
-      {
-	if(k.n>=int(container.size())) container.resize(k.n+1);
-      }
-      void erase(const Edge) { }
-      
-      void set(Edge n, T a) { container[n.n]=a; }
-      //T get(Edge n) const { return container[n.n]; }
-      typename std::vector<T>::reference
-      operator[](Edge n) { return container[n.n]; }
-      typename std::vector<T>::const_reference
-      operator[](Edge n) const { return container[n.n]; }
-
-      ///\warning There is no safety check at all!
-      ///Using operator = between maps attached to different graph may
-      ///cause serious problem.
-      ///\todo Is this really so?
-      ///\todo It can copy between different types.
-      const EdgeMap<T>& operator=(const EdgeMap<T> &m)
-      {
-	container = m.container;
-	return *this;
-      }
-      template<typename TT>
-      const EdgeMap<T>& operator=(const EdgeMap<TT> &m)
-      {
-	std::copy(m.container.begin(), m.container.end(), container.begin());
-	return *this;
-      }
-      
-      void update() {}    //Useless for DynMaps
-      void update(T a) {}  //Useless for DynMaps
-    };
-
-  };
-
-  ///Graph for bidirectional edges.
-
-  ///The purpose of this graph structure is to handle graphs
-  ///having bidirectional edges. Here the function \c addEdge(u,v) adds a pair
-  ///of oppositely directed edges.
-  ///There is a new edge map type called
-  ///\ref SymSmartGraph::SymEdgeMap "SymEdgeMap"
-  ///that complements this
-  ///feature by
-  ///storing shared values for the edge pairs. The usual
-  ///\ref GraphSkeleton::EdgeMap "EdgeMap"
-  ///can be used
-  ///as well.
-  ///
-  ///The oppositely directed edge can also be obtained easily
-  ///using \ref opposite.
-  ///\warning It shares the similarity with \ref SmartGraph that
-  ///it is not possible to delete edges or nodes from the graph.
-  //\sa \ref SmartGraph.
-
-  class SymSmartGraph : public SmartGraph
-  {
-  public:
-    template<typename T> class SymEdgeMap;
-    template<typename T> friend class SymEdgeMap;
-
-    SymSmartGraph() : SmartGraph() { }
-    SymSmartGraph(const SmartGraph &_g) : SmartGraph(_g) { }
-    ///Adds a pair of oppositely directed edges to the graph.
-    Edge addEdge(Node u, Node v)
-    {
-      Edge e = SmartGraph::addEdge(u,v);
-      SmartGraph::addEdge(v,u);
-      return e;
-    }
-
-    ///The oppositely directed edge.
-
-    ///Returns the oppositely directed
-    ///pair of the edge \c e.
-    Edge opposite(Edge e) const
-    {
-      Edge f;
-      f.idref() = e.idref() - 2*(e.idref()%2) + 1;
-      return f;
-    }
-    
-    ///Common data storage for the edge pairs.
-
-    ///This map makes it possible to store data shared by the oppositely
-    ///directed pairs of edges.
-    template <typename T> class SymEdgeMap : public DynMapBase<Edge>
-    {
-      std::vector<T> container;
-      
-    public:
-      typedef T ValueType;
-      typedef Edge KeyType;
-
-      SymEdgeMap(const SymSmartGraph &_G) :
-	DynMapBase<Edge>(_G), container(_G.maxEdgeId()/2)
-      {
-	static_cast<const SymSmartGraph*>(G)->dyn_edge_maps.push_back(this);
-      }
-      SymEdgeMap(const SymSmartGraph &_G,const T &t) :
-	DynMapBase<Edge>(_G), container(_G.maxEdgeId()/2,t)
-      {
-	G->dyn_edge_maps.push_back(this);
-      }
-
-      SymEdgeMap(const SymEdgeMap<T> &m) :
- 	DynMapBase<SymEdge>(*m.G), container(m.container)
-      {
- 	G->dyn_node_maps.push_back(this);
-      }
-
-      //      template<typename TT> friend class SymEdgeMap;
-
-      ///\todo It can copy between different types.
-      ///
-
-      template<typename TT> SymEdgeMap(const SymEdgeMap<TT> &m) :
-	DynMapBase<SymEdge>(*m.G)
-      {
-	G->dyn_node_maps.push_back(this);
-	typename std::vector<TT>::const_iterator i;
-	for(typename std::vector<TT>::const_iterator i=m.container.begin();
-	    i!=m.container.end();
-	    i++)
-	  container.push_back(*i);
-      }
- 
-      ~SymEdgeMap()
-      {
-	if(G) {
-	  std::vector<DynMapBase<Edge>* >::iterator i;
-	  for(i=static_cast<const SymSmartGraph*>(G)->dyn_edge_maps.begin();
-	      i!=static_cast<const SymSmartGraph*>(G)->dyn_edge_maps.end()
-		&& *i!=this; ++i) ;
-	  //if(*i==this) G->dyn_edge_maps.erase(i); //Way too slow...
-	  //A better way to do that: (Is this really important?)
-	  if(*i==this) {
-	    *i=static_cast<const SymSmartGraph*>(G)->dyn_edge_maps.back();
-	    static_cast<const SymSmartGraph*>(G)->dyn_edge_maps.pop_back();
-	  }
-	}
-      }
-      
-      void add(const Edge k) 
-      {
-	if(!k.idref()%2&&k.idref()/2>=int(container.size()))
-	  container.resize(k.idref()/2+1);
-      }
-      void erase(const Edge k) { }
-      
-      void set(Edge n, T a) { container[n.idref()/2]=a; }
-      //T get(Edge n) const { return container[n.idref()/2]; }
-      typename std::vector<T>::reference
-      operator[](Edge n) { return container[n.idref()/2]; }
-      typename std::vector<T>::const_reference
-      operator[](Edge n) const { return container[n.idref()/2]; }
-
-      ///\warning There is no safety check at all!
-      ///Using operator = between maps attached to different graph may
-      ///cause serious problem.
-      ///\todo Is this really so?
-      ///\todo It can copy between different types.
-      const SymEdgeMap<T>& operator=(const SymEdgeMap<T> &m)
-      {
-	container = m.container;
-	return *this;
-      }
-      template<typename TT>
-      const SymEdgeMap<T>& operator=(const SymEdgeMap<TT> &m)
-      {
-	std::copy(m.container.begin(), m.container.end(), container.begin());
-	return *this;
-      }
-      
-      void update() {}    //Useless for DynMaps
-      void update(T a) {}  //Useless for DynMaps
-
-    };
-
-  };
-  
-  /// @}  
-
-} //namespace hugo
-
-
-
-
-#endif //SMART_GRAPH_H