[Lemon-commits] [lemon_svn] marci: r265 - hugo/trunk/src/work/marci

Lemon SVN svn at lemon.cs.elte.hu
Mon Nov 6 20:38:26 CET 2006


Author: marci
Date: Tue Mar 16 16:27:20 2004
New Revision: 265

Added:
   hugo/trunk/src/work/marci/leda_graph_wrapper.h
Modified:
   hugo/trunk/src/work/marci/leda_bfs_dfs.cc
   hugo/trunk/src/work/marci/leda_graph_demo.cc
   hugo/trunk/src/work/marci/makefile

Log:
LedaGraph -> LedaGraphWrapper


Modified: hugo/trunk/src/work/marci/leda_bfs_dfs.cc
==============================================================================
--- hugo/trunk/src/work/marci/leda_bfs_dfs.cc	(original)
+++ hugo/trunk/src/work/marci/leda_bfs_dfs.cc	Tue Mar 16 16:27:20 2004
@@ -9,7 +9,7 @@
 #include <smart_graph.h>
 #include <bfs_iterator.h>
 #include <graph_wrapper.h>
-#include <leda_graph.h>
+#include <leda_graph_wrapper.h>
 
 using namespace hugo;
 using std::cout; 
@@ -35,7 +35,7 @@
 
   //typedef SmartGraph Graph;
   //typedef ListGraph Graph;
-  typedef LedaGraph<leda::graph> Graph;
+  typedef LedaGraphWrapper<leda::graph> Graph;
 
   typedef Graph::Node Node;
   typedef Graph::NodeIt NodeIt;  

Modified: hugo/trunk/src/work/marci/leda_graph_demo.cc
==============================================================================
--- hugo/trunk/src/work/marci/leda_graph_demo.cc	(original)
+++ hugo/trunk/src/work/marci/leda_graph_demo.cc	Tue Mar 16 16:27:20 2004
@@ -3,7 +3,7 @@
 #include <fstream>
 
 #include <LEDA/graph.h>
-#include <leda_graph.h>
+#include <leda_graph_wrapper.h>
 #include <dimacs.h>
 #include <time_measure.h>
 #include <edmonds_karp.h>
@@ -15,7 +15,7 @@
 
 int main() {
   leda::graph g;
-  typedef LedaGraph<leda::graph> Graph;
+  typedef LedaGraphWrapper<leda::graph> Graph;
   Graph G(g);
 //   G.addNode();
 //   G.addNode();

Added: hugo/trunk/src/work/marci/leda_graph_wrapper.h
==============================================================================
--- (empty file)
+++ hugo/trunk/src/work/marci/leda_graph_wrapper.h	Tue Mar 16 16:27:20 2004
@@ -0,0 +1,316 @@
+// -*- c++ -*-
+#ifndef HUGO_LEDA_GRAPH_WRAPPER_H
+#define HUGO_LEDA_GRAPH_WRAPPER_H
+
+#include <LEDA/graph.h>
+#include <LEDA/node_array.h>
+#include <LEDA/edge_array.h>
+#include <LEDA/node_map.h>
+#include <LEDA/edge_map.h>
+//#include <LEDA/graph_alg.h>
+//#include <LEDA/dimacs.h>
+
+//#if defined(LEDA_NAMESPACE)
+//using namespace leda;
+//#endif
+
+#include <invalid.h>
+
+/// The namespace of HugoLib
+namespace hugo {
+
+  // @defgroup empty_graph The LedaGraphWrapper class
+  // @{
+
+  /// An empty graph class.
+  
+  /// This class provides all the common features of a grapf structure,
+  /// however completely without implementations or real data structures
+  /// behind the interface.
+  /// All graph algorithms should compile with this class, but it will not
+  /// run properly, of course.
+  ///
+  /// It can be used for checking the interface compatibility,
+  /// or it can serve as a skeleton of a new graph structure.
+  /// 
+  /// Also, you will find here the full documentation of a certain graph
+  /// feature, the documentation of a real graph imlementation
+  /// like @ref ListGraph or
+  /// @ref SmartGraph will just refer to this structure.
+  template<typename Graph>
+  class LedaGraphWrapper
+  {
+    Graph* _graph;
+  public:
+   
+        //LedaGraphWrapper() { }
+    LedaGraphWrapper(Graph& __graph) : _graph(&__graph) { }
+    LedaGraphWrapper(const LedaGraphWrapper &G) : _graph(G._graph) { }
+
+    template <typename T> class NodeMap;
+    template <typename T> class EdgeMap;
+
+    /// The base type of the node iterators.
+    class Node {
+      friend class LedaGraphWrapper;
+      //friend class Edge;
+      friend class EdgeIt;
+      friend class InEdgeIt;
+      friend class OutEdgeIt;
+    protected:
+      template <typename T> friend class NodeMap;
+      leda_node _n;
+      Node(leda_node __n) : _n(__n) { } 
+    public:
+      /// @warning The default constructor sets the iterator
+      /// to an undefined value.
+      Node() {}   //FIXME
+      /// Initialize the iterator to be invalid
+      Node(Invalid) : _n(0) { }
+      //Node(const Node &) {} 
+      bool operator==(Node n) const { return _n==n._n; } //FIXME
+      bool operator!=(Node n) const { return _n!=n._n; } //FIXME
+    };
+    
+    /// This iterator goes through each node.
+    class NodeIt : public Node {
+    public:
+      /// @warning The default constructor sets the iterator
+      /// to an undefined value.
+      NodeIt() {} //FIXME
+      /// Initialize the iterator to be invalid
+      NodeIt(Invalid i) : Node(i) {}
+      /// Sets the iterator to the first node of \c G.
+      NodeIt(const LedaGraphWrapper &G) : Node(G._graph->first_node()) { }
+      //NodeIt(const NodeIt &) {} //FIXME
+    };
+    
+    /// The base type of the edge iterators.
+    class Edge {
+      friend class LedaGraphWrapper;
+    protected:
+      template <typename T> friend class EdgeMap;
+      leda_edge _e;
+      Edge(leda_edge __e) : _e(__e) { } 
+    public:
+      /// @warning The default constructor sets the iterator
+      /// to an undefined value.
+      Edge() {}   //FIXME
+      /// Initialize the iterator to be invalid
+      Edge(Invalid) : _e(0) {}
+      //Edge(const Edge &) {} 
+      bool operator==(Edge e) const { return _e==e._e; } //FIXME
+      bool operator!=(Edge e) const { return _e!=e._e; } //FIXME    
+    };
+    
+    /// This iterator goes trought the outgoing edges of a certain graph.
+    
+    class OutEdgeIt : public Edge {
+    public:
+      /// @warning The default constructor sets the iterator
+      /// to an undefined value.
+      OutEdgeIt() {}
+      /// Initialize the iterator to be invalid
+      OutEdgeIt(Invalid i) : Edge(i) {}
+      /// This constructor sets the iterator to first outgoing edge.
+    
+      /// This constructor set the iterator to the first outgoing edge of
+      /// node
+      ///@param n the node
+      ///@param G the graph
+      OutEdgeIt(const LedaGraphWrapper & G, Node n) : Edge(G._graph->first_adj_edge(n._n)) { }
+    };
+
+    class InEdgeIt : public Edge {
+    public:
+      /// @warning The default constructor sets the iterator
+      /// to an undefined value.
+      InEdgeIt() {}
+      /// Initialize the iterator to be invalid
+      InEdgeIt(Invalid i) : Edge(i) {}
+      InEdgeIt(const LedaGraphWrapper & G, Node n) : Edge(G._graph->first_in_edge(n._n)) { }
+    };
+
+    //  class SymEdgeIt : public Edge {};
+    class EdgeIt : public Edge {
+    public:
+      /// @warning The default constructor sets the iterator
+      /// to an undefined value.
+      EdgeIt() {}
+      /// Initialize the iterator to be invalid
+      EdgeIt(Invalid i) : Edge(i) {}
+      EdgeIt(const LedaGraphWrapper & G) : Edge(G._graph->first_edge()) { }
+    };
+
+    /// First node of the graph.
+
+    /// \post \c i and the return value will be the first node.
+    ///
+    NodeIt &first(NodeIt &i) const { i=NodeIt(*this); return i; }
+
+    /// The first outgoing edge.
+    InEdgeIt &first(InEdgeIt &i, Node n) const { 
+      i=InEdgeIt(*this, n); 
+      return i;
+    }
+    /// The first incoming edge.
+    OutEdgeIt &first(OutEdgeIt &i, Node n) const { 
+      i=OutEdgeIt(*this, n); 
+      return i;
+    }
+    //  SymEdgeIt &first(SymEdgeIt &, Node) const { return i;}
+    /// The first edge of the Graph.
+    EdgeIt &first(EdgeIt &i) const {      
+      i=EdgeIt(*this); 
+      return i; }
+
+//     Node getNext(Node) const {}
+//     InEdgeIt getNext(InEdgeIt) const {}
+//     OutEdgeIt getNext(OutEdgeIt) const {}
+//     //SymEdgeIt getNext(SymEdgeIt) const {}
+//     EdgeIt getNext(EdgeIt) const {}
+
+    /// Go to the next node.
+    NodeIt &next(NodeIt &i) const { 
+      i._n=_graph->succ_node(i._n); 
+      return i; 
+    }
+    /// Go to the next incoming edge.
+    InEdgeIt &next(InEdgeIt &i) const { 
+      i._e=_graph->in_succ(i._e); 
+      return i;
+    }
+    /// Go to the next outgoing edge.
+    OutEdgeIt &next(OutEdgeIt &i) const { 
+      i._e=_graph->adj_succ(i._e); 
+      return i;
+    }
+    //SymEdgeIt &next(SymEdgeIt &) const {}
+    /// Go to the next edge.
+    EdgeIt &next(EdgeIt &i) const {      
+      i._e=_graph->succ_edge(i._e); 
+      return i; 
+    }
+
+    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; 
+    }
+
+    ///Gives back the head node of an edge.
+    Node head(Edge e) const { 
+      return Node(_graph->target(e._e)); 
+    }
+    ///Gives back the tail node of an edge.
+    Node tail(Edge e) const { 
+      return Node(_graph->source(e._e)); 
+    }
+  
+    Node aNode(InEdgeIt e) const { return head(e); }
+    Node aNode(OutEdgeIt e) const { return tail(e); }
+    //   Node aNode(SymEdgeIt) const {}
+
+    Node bNode(InEdgeIt e) const { return tail(e); }
+    Node bNode(OutEdgeIt e) const { return head(e); }
+    //   Node bNode(SymEdgeIt) const {}
+
+    /// Checks if a node iterator is valid
+    bool valid(Node n) const { return n._n; }
+    /// Checks if an edge iterator is valid
+    bool valid(Edge e) const { return e._e; }
+
+    ///Gives back the \e id of a node.
+    int id(Node n) const { return n._n->id(); }
+    ///Gives back the \e id of an edge.
+    int id(Edge e) const { return e._e->id(); }
+
+    //void setInvalid(Node &) const {};
+    //void setInvalid(Edge &) const {};
+  
+    Node addNode() const { return Node(_graph->new_node()); }
+    Edge addEdge(Node tail, Node head) const { 
+      return Edge(_graph->new_edge(tail._n, head._n));
+    }
+    
+    void erase(Node n) const { _graph->del_node(n._n); }
+    void erase(Edge e) const { _graph->del_edge(e._e); }
+
+    void clear() const { _graph->clear(); }
+
+    int nodeNum() const { return _graph->number_of_nodes(); }
+    int edgeNum() const { return _graph->number_of_edges(); }
+
+    ///Read/write map from the nodes to type \c T.
+    template<typename T> class NodeMap
+    {
+      leda_node_map<T> leda_stuff;
+    public:
+      typedef T ValueType;
+      typedef Node KeyType;
+
+      NodeMap(const LedaGraphWrapper &G) : leda_stuff(*(G._graph)) {}
+      NodeMap(const LedaGraphWrapper &G, T t) : leda_stuff(*(G._graph), t) {}
+
+      void set(Node i, T t) { leda_stuff[i._n]=t; }
+      T get(Node i) const { return leda_stuff[i._n]; }  //FIXME: Is it necessary
+      T &operator[](Node i) { return leda_stuff[i._n]; }
+      const T &operator[](Node i) const { return leda_stuff[i._n]; }
+
+      void update() { /*leda_stuff.init(leda_stuff.get_graph());*/ }
+      //void update(T a) { leda_stuff.init(leda_stuff.get_graph()/**(G._graph)*/, a); }   //FIXME: Is it necessary
+    };
+
+    ///Read/write map from the edges to type \c T.
+    template<typename T> class EdgeMap
+    {
+      leda_edge_map<T> leda_stuff;
+    public:
+      typedef T ValueType;
+      typedef Edge KeyType;
+
+      EdgeMap(const LedaGraphWrapper &G) : leda_stuff(*(G._graph)) {}
+      EdgeMap(const LedaGraphWrapper &G, T t) : leda_stuff(*(G._graph), t) {}
+
+      void set(Edge i, T t) { leda_stuff[i._e]=t; }
+      T get(Edge i) const { return leda_stuff[i._e]; }  //FIXME: Is it necessary
+      T &operator[](Edge i) { return leda_stuff[i._e]; }
+      const T &operator[](Edge i) const { return leda_stuff[i._e]; }
+
+      void update() { /*leda_stuff.init(leda_stuff.get_graph());*/ }
+      //void update(T a) { leda_stuff.init(leda_stuff.get_graph()/**(G._graph)*/, a); }   //FIXME: Is it necessary
+    };
+
+  };
+
+  // @}
+
+} //namespace hugo
+
+
+
+// class EmptyBipGraph : public EmptyGraph
+// {
+//   class ANode {};
+//   class BNode {};
+
+//   ANode &next(ANode &) {}
+//   BNode &next(BNode &) {}
+
+//   ANode &getFirst(ANode &) const {}
+//   BNode &getFirst(BNode &) const {}
+
+//   enum NodeClass { A = 0, B = 1 };
+//   NodeClass getClass(Node n) {}
+
+// }
+
+#endif // HUGO_LEDA_GRAPH_WRAPPER_H

Modified: hugo/trunk/src/work/marci/makefile
==============================================================================
--- hugo/trunk/src/work/marci/makefile	(original)
+++ hugo/trunk/src/work/marci/makefile	Tue Mar 16 16:27:20 2004
@@ -9,7 +9,7 @@
 CXXFLAGS = -g -O -W -Wall $(INCLUDEDIRS) -ansi -pedantic
 
 
-BINARIES = edmonds_karp_demo preflow_demo_leda lg_vs_sg leda_graph_demo
+BINARIES = edmonds_karp_demo preflow_demo_leda lg_vs_sg leda_graph_demo leda_bfs_dfs
 #preflow_demo_boost edmonds_karp_demo_boost preflow_demo_jacint preflow_demo_athos edmonds_karp_demo_alpar
 
 all: $(BINARIES)
@@ -28,6 +28,12 @@
 leda_graph_demo: leda_graph_demo.o
 	$(CXX3) -Wall -O -L$(LEDAROOT) -o leda_graph_demo leda_graph_demo.o -lG -lL -lm
 
+leda_bfs_dfs.o:
+	$(CXX3) -Wall -O -I.. -I../alpar -I$(LEDAROOT)/incl -I. -c leda_bfs_dfs.cc
+
+leda_bfs_dfs: leda_bfs_dfs.o
+	$(CXX3) -Wall -O -L$(LEDAROOT) -o leda_bfs_dfs leda_bfs_dfs.o -lG -lL -lm
+
 edmonds_karp_demo: 
 	$(CXX3) $(CXXFLAGS) -g -I. -I.. -o edmonds_karp_demo edmonds_karp_demo.cc
 	$(CXX3) $(CXXFLAGS) -g -pg -I. -I.. -o edmonds_karp_demo_prof edmonds_karp_demo.cc



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