src/work/alpar/list_graph_demo.cc
changeset 1365 c280de819a73
parent 959 c80ef5912903
equal deleted inserted replaced
6:538c8576dcd4 -1:000000000000
     1 #include<list_graph.h>
       
     2 #include<concept/graph.h>
       
     3 
       
     4 #include <iostream>
       
     5 #include <vector>
       
     6 
       
     7 using namespace lemon;
       
     8 
       
     9 typedef ListGraph Graph;
       
    10 //typedef Graph Graph;
       
    11 
       
    12 
       
    13 Graph::OutEdgeIt safeFirstOut(const Graph &G, Graph::Node n)
       
    14 {
       
    15   return G.valid(n) ? Graph::OutEdgeIt(G,n):INVALID;
       
    16 }
       
    17 
       
    18 int main()
       
    19 {
       
    20 
       
    21   typedef Graph::Edge Edge;
       
    22   typedef Graph::InEdgeIt InEdgeIt;
       
    23   typedef Graph::OutEdgeIt OutEdgeIt;
       
    24   typedef Graph::EdgeIt EdgeIt;
       
    25   typedef Graph::Node Node;
       
    26   typedef Graph::NodeIt NodeIt;
       
    27   
       
    28   Graph G;
       
    29   
       
    30   {
       
    31     NodeIt n;
       
    32 
       
    33     for(int i=0;i<10;i++) G.addNode();
       
    34     for(G.first(n);G.valid(n);G.next(n)) 
       
    35       for(NodeIt m(G);m!=INVALID;G.next(m)) 
       
    36 	if(n!=m) G.addEdge(n,m);
       
    37     
       
    38     OutEdgeIt e = safeFirstOut(G,n);
       
    39     OutEdgeIt f = safeFirstOut(G,NodeIt(G));
       
    40     
       
    41     
       
    42     InEdgeIt i(INVALID), j;
       
    43     InEdgeIt ii(i);
       
    44     ii=G.first(i,n);
       
    45     ii=G.next(i);
       
    46     
       
    47     OutEdgeIt o(INVALID), oo;
       
    48     OutEdgeIt ooo(oo);
       
    49     oo=G.first(o,n);
       
    50     oo=G.next(o);
       
    51     
       
    52     EdgeIt ei(INVALID), eie;
       
    53     EdgeIt eiee(ei);
       
    54     eie=G.first(ei);
       
    55     eie=G.next(ei);
       
    56     
       
    57     Edge eee(i);
       
    58     eee=o;
       
    59     eee=eie;
       
    60     
       
    61     
       
    62     bool tm;
       
    63     tm = G.valid(n) && G.valid(i) && G.valid(o) && G.valid(ei);
       
    64     
       
    65     std::vector<InEdgeIt> v(10);
       
    66     std::vector<InEdgeIt> w(10,INVALID);
       
    67     
       
    68   }
       
    69   
       
    70   // Test of maps
       
    71 
       
    72   G.clear();
       
    73   
       
    74   for(int i=0;i<10;i++) G.addNode();
       
    75   for(NodeIt i(G);G.valid(i);G.next(i)) 
       
    76     for(NodeIt j(G);G.valid(j);G.next(j)) 
       
    77       if(i<j) G.addEdge(i,j);           //The iterators are comparable
       
    78   
       
    79   Graph::NodeMap<int> n(G);
       
    80   int count=0;
       
    81   for(NodeIt i(G);G.valid(i);G.next(i)) n[i]=count++;
       
    82   
       
    83   Graph::NodeMap<int> nn=n;
       
    84   Graph::NodeMap<double> dd=n;
       
    85 
       
    86   n = nn;
       
    87   
       
    88   dd = nn;
       
    89   
       
    90   Graph::EdgeMap<int> emap(G);
       
    91 
       
    92   // Test of SymListGraph
       
    93   
       
    94   {
       
    95     typedef SymListGraph Graph;
       
    96     typedef Graph::Edge Edge;
       
    97     typedef Graph::InEdgeIt InEdgeIt;
       
    98     typedef Graph::OutEdgeIt OutEdgeIt;
       
    99     typedef Graph::EdgeIt EdgeIt;
       
   100     typedef Graph::Node Node;
       
   101     typedef Graph::NodeIt NodeIt;
       
   102 
       
   103     Graph G;
       
   104 
       
   105     for(int i=0;i<10;i++) G.addNode();
       
   106     for(NodeIt i(G);G.valid(i);G.next(i)) 
       
   107       for(NodeIt j(G);G.valid(j);G.next(j)) 
       
   108 	if(i<j) G.addEdge(i,j);           //The iterators are comparable
       
   109   
       
   110     Graph::EdgeMap<int> em(G);
       
   111     Graph::SymEdgeMap<int> sm(G);
       
   112     for(EdgeIt e(G);G.valid(e);G.next(e)) em[e]=G.id(e);
       
   113     for(EdgeIt e(G);G.valid(e);G.next(e))
       
   114       if(G.source(e)<G.target(e)) sm[e]=G.id(e);
       
   115     
       
   116     for(EdgeIt e(G);G.valid(e);G.next(e))
       
   117       std::cout << G.id(G.source(e)) << "->" << G.id(G.target(e))
       
   118 		<< ": id=" << G.id(e) << " oppid=" << G.id(G.opposite(e))
       
   119 		<< " em=" << em[e]
       
   120 		<< " sm=" << sm[e] << "\n";
       
   121     
       
   122     //Delete all nodes
       
   123     NodeIt n;
       
   124     while(G.valid(G.first(n))) G.erase(n);
       
   125   }
       
   126 
       
   127   // Tests for NodeSet and EdgeSet
       
   128   
       
   129   {
       
   130     NodeSet N;
       
   131     
       
   132     typedef EdgeSet<NodeSet> ES;
       
   133     
       
   134     ES E(N);
       
   135     ES F(N);
       
   136     for(int i=0;i<10;i++) G.addNode();
       
   137     
       
   138     for(ES::NodeIt n(E);E.valid(n);E.next(n))
       
   139       for(ES::NodeIt m(E);E.valid(m);E.next(m))
       
   140 	if(n!=m) F.addEdge(n,m);
       
   141     for(ES::NodeIt n(F);F.valid(n);F.next(n))
       
   142       for(ES::NodeIt m(F);F.valid(m);F.next(m))
       
   143 	if(n<m) F.addEdge(n,m);
       
   144     
       
   145 
       
   146     NodeSet::NodeMap<int> nm1(N);
       
   147     ES::NodeMap<int> nm2(E);
       
   148     ES::EdgeMap<int> eme(E);
       
   149     ES::EdgeMap<int> emf(F);
       
   150     
       
   151        
       
   152   }
       
   153   
       
   154 }