test/dijkstra_test.cc
changeset 284 a16cc721259e
parent 228 b6732e0d38c5
child 286 da414906fe21
equal deleted inserted replaced
5:a861c3783f45 6:e687d36ddf59
    18 
    18 
    19 #include <lemon/concepts/digraph.h>
    19 #include <lemon/concepts/digraph.h>
    20 #include <lemon/smart_graph.h>
    20 #include <lemon/smart_graph.h>
    21 #include <lemon/list_graph.h>
    21 #include <lemon/list_graph.h>
    22 #include <lemon/lgf_reader.h>
    22 #include <lemon/lgf_reader.h>
    23 
       
    24 #include <lemon/dijkstra.h>
    23 #include <lemon/dijkstra.h>
    25 #include <lemon/path.h>
    24 #include <lemon/path.h>
    26 
    25 
    27 #include "graph_test.h"
    26 #include "graph_test.h"
    28 #include "test_tools.h"
    27 #include "test_tools.h"
    62   Digraph::Arc e;
    61   Digraph::Arc e;
    63   VType l;
    62   VType l;
    64   bool b;
    63   bool b;
    65   DType::DistMap d(G);
    64   DType::DistMap d(G);
    66   DType::PredMap p(G);
    65   DType::PredMap p(G);
    67   //  DType::PredNodeMap pn(G);
       
    68   LengthMap length;
    66   LengthMap length;
    69 
    67 
    70   DType dijkstra_test(G,length);
    68   DType dijkstra_test(G,length);
    71 
    69 
    72   dijkstra_test.run(n);
    70   dijkstra_test.run(n);
    74   l  = dijkstra_test.dist(n);
    72   l  = dijkstra_test.dist(n);
    75   e  = dijkstra_test.predArc(n);
    73   e  = dijkstra_test.predArc(n);
    76   n  = dijkstra_test.predNode(n);
    74   n  = dijkstra_test.predNode(n);
    77   d  = dijkstra_test.distMap();
    75   d  = dijkstra_test.distMap();
    78   p  = dijkstra_test.predMap();
    76   p  = dijkstra_test.predMap();
    79   //  pn = dijkstra_test.predNodeMap();
       
    80   b  = dijkstra_test.reached(n);
    77   b  = dijkstra_test.reached(n);
    81 
    78 
    82   Path<Digraph> pp = dijkstra_test.path(n);
    79   Path<Digraph> pp = dijkstra_test.path(n);
    83 }
    80 }
    84 
    81 
    89   typedef Digraph::Arc Arc;
    86   typedef Digraph::Arc Arc;
    90   typedef Digraph::Node Node;
    87   typedef Digraph::Node Node;
    91   typedef concepts::ReadMap<Digraph::Arc,VType> LengthMap;
    88   typedef concepts::ReadMap<Digraph::Arc,VType> LengthMap;
    92 
    89 
    93   Digraph g;
    90   Digraph g;
    94   dijkstra(g,LengthMap(),Node()).run();
    91   bool b;
    95   dijkstra(g,LengthMap()).source(Node()).run();
    92   dijkstra(g,LengthMap()).run(Node());
       
    93   b=dijkstra(g,LengthMap()).run(Node(),Node());
    96   dijkstra(g,LengthMap())
    94   dijkstra(g,LengthMap())
    97     .predMap(concepts::WriteMap<Node,Arc>())
    95     .predMap(concepts::ReadWriteMap<Node,Arc>())
    98     .distMap(concepts::WriteMap<Node,VType>())
    96     .distMap(concepts::ReadWriteMap<Node,VType>())
       
    97     .processedMap(concepts::WriteMap<Node,bool>())
    99     .run(Node());
    98     .run(Node());
       
    99   b=dijkstra(g,LengthMap())
       
   100     .predMap(concepts::ReadWriteMap<Node,Arc>())
       
   101     .distMap(concepts::ReadWriteMap<Node,VType>())
       
   102     .processedMap(concepts::WriteMap<Node,bool>())
       
   103     .path(concepts::Path<Digraph>())
       
   104     .dist(VType())
       
   105     .run(Node(),Node());
   100 }
   106 }
   101 
   107 
   102 template <class Digraph>
   108 template <class Digraph>
   103 void checkDijkstra() {
   109 void checkDijkstra() {
   104   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
   110   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);
   120   dijkstra_test.run(s);
   126   dijkstra_test.run(s);
   121 
   127 
   122   check(dijkstra_test.dist(t)==3,"Dijkstra found a wrong path.");
   128   check(dijkstra_test.dist(t)==3,"Dijkstra found a wrong path.");
   123 
   129 
   124   Path<Digraph> p = dijkstra_test.path(t);
   130   Path<Digraph> p = dijkstra_test.path(t);
   125   check(p.length()==3,"getPath() found a wrong path.");
   131   check(p.length()==3,"path() found a wrong path.");
   126   check(checkPath(G, p),"path() found a wrong path.");
   132   check(checkPath(G, p),"path() found a wrong path.");
   127   check(pathSource(G, p) == s,"path() found a wrong path.");
   133   check(pathSource(G, p) == s,"path() found a wrong path.");
   128   check(pathTarget(G, p) == t,"path() found a wrong path.");
   134   check(pathTarget(G, p) == t,"path() found a wrong path.");
   129 
   135 
   130   for(ArcIt e(G); e!=INVALID; ++e) {
   136   for(ArcIt e(G); e!=INVALID; ++e) {
   131     Node u=G.source(e);
   137     Node u=G.source(e);
   132     Node v=G.target(e);
   138     Node v=G.target(e);
   133     check( !dijkstra_test.reached(u) ||
   139     check( !dijkstra_test.reached(u) ||
   134            (dijkstra_test.dist(v) - dijkstra_test.dist(u) <= length[e]),
   140            (dijkstra_test.dist(v) - dijkstra_test.dist(u) <= length[e]),
   135            "dist(target)-dist(source)-arc_length= " <<
   141            "Wrong output. dist(target)-dist(source)-arc_length=" <<
   136            dijkstra_test.dist(v) - dijkstra_test.dist(u) - length[e]);
   142            dijkstra_test.dist(v) - dijkstra_test.dist(u) - length[e]);
   137   }
   143   }
   138 
   144 
   139   for(NodeIt v(G); v!=INVALID; ++v) {
   145   for(NodeIt v(G); v!=INVALID; ++v) {
   140     if (dijkstra_test.reached(v)) {
   146     if (dijkstra_test.reached(v)) {