Porting full graphs from svn 3498
authorBalazs Dezso <deba@inf.elte.hu>
Thu, 14 Aug 2008 21:49:39 +0200
changeset 35337557a46e298
parent 247 f1158744a112
child 354 80a4d0742e98
Porting full graphs from svn 3498

- the FullGraph is redesigned in implementation
- some improvemnts in documentation
lemon/Makefile.am
lemon/full_graph.h
test/digraph_test.cc
test/graph_test.cc
     1.1 --- a/lemon/Makefile.am	Mon Aug 04 22:00:36 2008 +0200
     1.2 +++ b/lemon/Makefile.am	Thu Aug 14 21:49:39 2008 +0200
     1.3 @@ -29,6 +29,7 @@
     1.4          lemon/dijkstra.h \
     1.5          lemon/dim2.h \
     1.6  	lemon/error.h \
     1.7 +	lemon/full_graph.h \
     1.8          lemon/graph_to_eps.h \
     1.9  	lemon/kruskal.h \
    1.10  	lemon/lgf_reader.h \
     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/lemon/full_graph.h	Thu Aug 14 21:49:39 2008 +0200
     2.3 @@ -0,0 +1,608 @@
     2.4 +/* -*- mode: C++; indent-tabs-mode: nil; -*-
     2.5 + *
     2.6 + * This file is a part of LEMON, a generic C++ optimization library.
     2.7 + *
     2.8 + * Copyright (C) 2003-2008
     2.9 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
    2.10 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
    2.11 + *
    2.12 + * Permission to use, modify and distribute this software is granted
    2.13 + * provided that this copyright notice appears in all copies. For
    2.14 + * precise terms see the accompanying LICENSE file.
    2.15 + *
    2.16 + * This software is provided "AS IS" with no warranty of any kind,
    2.17 + * express or implied, and with no claim as to its suitability for any
    2.18 + * purpose.
    2.19 + *
    2.20 + */
    2.21 +
    2.22 +#ifndef LEMON_FULL_GRAPH_H
    2.23 +#define LEMON_FULL_GRAPH_H
    2.24 +
    2.25 +#include <lemon/math.h>
    2.26 +
    2.27 +#include <lemon/core.h>
    2.28 +#include <lemon/bits/graph_extender.h>
    2.29 +
    2.30 +///\ingroup graphs
    2.31 +///\file
    2.32 +///\brief FullDigraph and FullGraph classes.
    2.33 +namespace lemon {
    2.34 +
    2.35 +  class FullDigraphBase {
    2.36 +  public:
    2.37 +
    2.38 +    typedef FullDigraphBase Graph;
    2.39 +
    2.40 +    class Node;
    2.41 +    class Arc;
    2.42 +
    2.43 +  protected:
    2.44 +
    2.45 +    int _node_num;
    2.46 +    int _arc_num;
    2.47 +
    2.48 +    FullDigraphBase() {}
    2.49 +
    2.50 +    void construct(int n) { _node_num = n; _arc_num = n * n; }
    2.51 +
    2.52 +  public:
    2.53 +
    2.54 +    typedef True NodeNumTag;
    2.55 +    typedef True ArcNumTag;
    2.56 +
    2.57 +    Node operator()(int ix) const { return Node(ix); }
    2.58 +    int index(const Node& node) const { return node._id; }
    2.59 +
    2.60 +    Arc arc(const Node& s, const Node& t) const {
    2.61 +      return Arc(s._id * _node_num + t._id);
    2.62 +    }
    2.63 +
    2.64 +    int nodeNum() const { return _node_num; }
    2.65 +    int arcNum() const { return _arc_num; }
    2.66 +
    2.67 +    int maxNodeId() const { return _node_num - 1; }
    2.68 +    int maxArcId() const { return _arc_num - 1; }
    2.69 +
    2.70 +    Node source(Arc arc) const { return arc._id / _node_num; }
    2.71 +    Node target(Arc arc) const { return arc._id % _node_num; }
    2.72 +
    2.73 +
    2.74 +    static int id(Node node) { return node._id; }
    2.75 +    static int id(Arc arc) { return arc._id; }
    2.76 +
    2.77 +    static Node nodeFromId(int id) { return Node(id);}
    2.78 +
    2.79 +    static Arc arcFromId(int id) { return Arc(id);}
    2.80 +
    2.81 +    typedef True FindArcTag;
    2.82 +
    2.83 +    Arc findArc(Node s, Node t, Arc prev = INVALID) const {
    2.84 +      return prev != INVALID ? arc(s, t) : INVALID;
    2.85 +    }
    2.86 +
    2.87 +
    2.88 +    class Node {
    2.89 +      friend class FullDigraphBase;
    2.90 +
    2.91 +    protected:
    2.92 +      int _id;
    2.93 +      Node(int id) : _id(id) {}
    2.94 +    public:
    2.95 +      Node() {}
    2.96 +      Node (Invalid) : _id(-1) {}
    2.97 +      bool operator==(const Node node) const {return _id == node._id;}
    2.98 +      bool operator!=(const Node node) const {return _id != node._id;}
    2.99 +      bool operator<(const Node node) const {return _id < node._id;}
   2.100 +    };
   2.101 +
   2.102 +    class Arc {
   2.103 +      friend class FullDigraphBase;
   2.104 +
   2.105 +    protected:
   2.106 +      int _id;  // _node_num * source + target;
   2.107 +
   2.108 +      Arc(int id) : _id(id) {}
   2.109 +
   2.110 +    public:
   2.111 +      Arc() { }
   2.112 +      Arc (Invalid) { _id = -1; }
   2.113 +      bool operator==(const Arc arc) const {return _id == arc._id;}
   2.114 +      bool operator!=(const Arc arc) const {return _id != arc._id;}
   2.115 +      bool operator<(const Arc arc) const {return _id < arc._id;}
   2.116 +    };
   2.117 +
   2.118 +    void first(Node& node) const {
   2.119 +      node._id = _node_num - 1;
   2.120 +    }
   2.121 +
   2.122 +    static void next(Node& node) {
   2.123 +      --node._id;
   2.124 +    }
   2.125 +
   2.126 +    void first(Arc& arc) const {
   2.127 +      arc._id = _arc_num - 1;
   2.128 +    }
   2.129 +
   2.130 +    static void next(Arc& arc) {
   2.131 +      --arc._id;
   2.132 +    }
   2.133 +
   2.134 +    void firstOut(Arc& arc, const Node& node) const {
   2.135 +      arc._id = (node._id + 1) * _node_num - 1;
   2.136 +    }
   2.137 +
   2.138 +    void nextOut(Arc& arc) const {
   2.139 +      if (arc._id % _node_num == 0) arc._id = 0;
   2.140 +      --arc._id;
   2.141 +    }
   2.142 +
   2.143 +    void firstIn(Arc& arc, const Node& node) const {
   2.144 +      arc._id = _arc_num + node._id - _node_num;
   2.145 +    }
   2.146 +
   2.147 +    void nextIn(Arc& arc) const {
   2.148 +      arc._id -= _node_num;
   2.149 +      if (arc._id < 0) arc._id = -1;
   2.150 +    }
   2.151 +
   2.152 +  };
   2.153 +
   2.154 +  typedef DigraphExtender<FullDigraphBase> ExtendedFullDigraphBase;
   2.155 +
   2.156 +  /// \ingroup graphs
   2.157 +  ///
   2.158 +  /// \brief A full digraph class.
   2.159 +  ///
   2.160 +  /// This is a simple and fast directed full graph implementation.
   2.161 +  /// From each node go arcs to each node (including the source node),
   2.162 +  /// therefore the number of the arcs in the digraph is the square of
   2.163 +  /// the node number. The digraph is completely static, so you can
   2.164 +  /// neither add nor delete either arcs or nodes, and it needs just
   2.165 +  /// constant space in memory.
   2.166 +  ///
   2.167 +  /// Thus it conforms to the \ref concepts::Digraph "Digraph" concept
   2.168 +  /// and it also has an important extra feature that its maps are
   2.169 +  /// real \ref concepts::ReferenceMap "reference map"s.
   2.170 +  /// \sa concepts::Digraph.
   2.171 +  ///
   2.172 +  /// \sa FullGraph
   2.173 +  class FullDigraph : public ExtendedFullDigraphBase {
   2.174 +  public:
   2.175 +
   2.176 +    typedef ExtendedFullDigraphBase Parent;
   2.177 +
   2.178 +    /// \brief Constructor
   2.179 +    FullDigraph() { construct(0); }
   2.180 +
   2.181 +    /// \brief Constructor
   2.182 +    ///
   2.183 +    /// \param n The number of the nodes.
   2.184 +    FullDigraph(int n) { construct(n); }
   2.185 +
   2.186 +    /// \brief Resize the digraph
   2.187 +    ///
   2.188 +    /// Resize the digraph. The function will fully destroy and
   2.189 +    /// rebuild the digraph.  This cause that the maps of the digraph
   2.190 +    /// will reallocated automatically and the previous values will be
   2.191 +    /// lost.
   2.192 +    void resize(int n) {
   2.193 +      Parent::notifier(Arc()).clear();
   2.194 +      Parent::notifier(Node()).clear();
   2.195 +      construct(n);
   2.196 +      Parent::notifier(Node()).build();
   2.197 +      Parent::notifier(Arc()).build();
   2.198 +    }
   2.199 +
   2.200 +    /// \brief Returns the node with the given index.
   2.201 +    ///
   2.202 +    /// Returns the node with the given index. Because it is a
   2.203 +    /// static size digraph the node's of the digraph can be indexed
   2.204 +    /// in the range <tt>[0..nodeNum()-1]</tt> and the index of
   2.205 +    /// the node can accessed by the \e index() member.
   2.206 +    Node operator()(int ix) const { return Parent::operator()(ix); }
   2.207 +
   2.208 +    /// \brief Returns the index of the node.
   2.209 +    ///
   2.210 +    /// Returns the index of the node. Because it is a
   2.211 +    /// static size digraph the node's of the digraph can be indexed
   2.212 +    /// in the range <tt>[0..nodeNum()-1]</tt> and the index of
   2.213 +    /// the node can accessed by the \e index() member.
   2.214 +    int index(const Node& node) const { return Parent::index(node); }
   2.215 +
   2.216 +    /// \brief Returns the arc connects the given nodes.
   2.217 +    ///
   2.218 +    /// Returns the arc connects the given nodes.
   2.219 +    Arc arc(const Node& u, const Node& v) const {
   2.220 +      return Parent::arc(u, v);
   2.221 +    }
   2.222 +
   2.223 +    /// \brief Number of nodes.
   2.224 +    int nodeNum() const { return Parent::nodeNum(); }
   2.225 +    /// \brief Number of arcs.
   2.226 +    int arcNum() const { return Parent::arcNum(); }
   2.227 +  };
   2.228 +
   2.229 +
   2.230 +  class FullGraphBase {
   2.231 +    int _node_num;
   2.232 +    int _edge_num;
   2.233 +  public:
   2.234 +
   2.235 +    typedef FullGraphBase Graph;
   2.236 +
   2.237 +    class Node;
   2.238 +    class Arc;
   2.239 +    class Edge;
   2.240 +
   2.241 +  protected:
   2.242 +
   2.243 +    FullGraphBase() {}
   2.244 +
   2.245 +    void construct(int n) { _node_num = n; _edge_num = n * (n - 1) / 2; }
   2.246 +
   2.247 +    int _uid(int e) const {
   2.248 +      int u = e / _node_num;
   2.249 +      int v = e % _node_num;
   2.250 +      return u < v ? u : _node_num - 2 - u;
   2.251 +    }
   2.252 +
   2.253 +    int _vid(int e) const {
   2.254 +      int u = e / _node_num;
   2.255 +      int v = e % _node_num;
   2.256 +      return u < v ? v : _node_num - 1 - v;
   2.257 +    }
   2.258 +
   2.259 +    void _uvid(int e, int& u, int& v) const {
   2.260 +      u = e / _node_num;
   2.261 +      v = e % _node_num;
   2.262 +      if  (u >= v) {
   2.263 +        u = _node_num - 2 - u;
   2.264 +        v = _node_num - 1 - v;
   2.265 +      }
   2.266 +    }
   2.267 +
   2.268 +    void _stid(int a, int& s, int& t) const {
   2.269 +      if ((a & 1) == 1) {
   2.270 +        _uvid(a >> 1, s, t);
   2.271 +      } else {
   2.272 +        _uvid(a >> 1, t, s);
   2.273 +      }
   2.274 +    }
   2.275 +
   2.276 +    int _eid(int u, int v) const {
   2.277 +      if (u < (_node_num - 1) / 2) {
   2.278 +        return u * _node_num + v;
   2.279 +      } else {
   2.280 +        return (_node_num - 1 - u) * _node_num - v - 1;
   2.281 +      }
   2.282 +    }
   2.283 +
   2.284 +  public:
   2.285 +
   2.286 +
   2.287 +    Node operator()(int ix) const { return Node(ix); }
   2.288 +    int index(const Node& node) const { return node._id; }
   2.289 +
   2.290 +    Edge edge(const Node& u, const Node& v) const {
   2.291 +      if (u._id < v._id) {
   2.292 +        return Edge(_eid(u._id, v._id));
   2.293 +      } else if (u._id != v._id) {
   2.294 +        return Edge(_eid(v._id, u._id));
   2.295 +      } else {
   2.296 +        return INVALID;
   2.297 +      }
   2.298 +    }
   2.299 +
   2.300 +    Arc arc(const Node& s, const Node& t) const {
   2.301 +      if (s._id < t._id) {
   2.302 +        return Arc((_eid(s._id, t._id) << 1) | 1);
   2.303 +      } else if (s._id != t._id) {
   2.304 +        return Arc(_eid(t._id, s._id) << 1);
   2.305 +      } else {
   2.306 +        return INVALID;
   2.307 +      }
   2.308 +    }
   2.309 +
   2.310 +    typedef True NodeNumTag;
   2.311 +    typedef True EdgeNumTag;
   2.312 +
   2.313 +    int nodeNum() const { return _node_num; }
   2.314 +    int arcNum() const { return 2 * _edge_num; }
   2.315 +    int edgeNum() const { return _edge_num; }
   2.316 +
   2.317 +    static int id(Node node) { return node._id; }
   2.318 +    static int id(Arc arc) { return arc._id; }
   2.319 +    static int id(Edge edge) { return edge._id; }
   2.320 +
   2.321 +    int maxNodeId() const { return _node_num-1; }
   2.322 +    int maxArcId() const { return 2 * _edge_num-1; }
   2.323 +    int maxEdgeId() const { return _edge_num-1; }
   2.324 +
   2.325 +    static Node nodeFromId(int id) { return Node(id);}
   2.326 +    static Arc arcFromId(int id) { return Arc(id);}
   2.327 +    static Edge edgeFromId(int id) { return Edge(id);}
   2.328 +
   2.329 +    Node u(Edge edge) const {
   2.330 +      return Node(_uid(edge._id));
   2.331 +    }
   2.332 +
   2.333 +    Node v(Edge edge) const {
   2.334 +      return Node(_vid(edge._id));
   2.335 +    }
   2.336 +
   2.337 +    Node source(Arc arc) const {
   2.338 +      return Node((arc._id & 1) == 1 ?
   2.339 +                  _uid(arc._id >> 1) : _vid(arc._id >> 1));
   2.340 +    }
   2.341 +
   2.342 +    Node target(Arc arc) const {
   2.343 +      return Node((arc._id & 1) == 1 ?
   2.344 +                  _vid(arc._id >> 1) : _uid(arc._id >> 1));
   2.345 +    }
   2.346 +
   2.347 +    typedef True FindEdgeTag;
   2.348 +
   2.349 +    Edge findEdge(Node u, Node v, Edge prev = INVALID) const {
   2.350 +      return prev != INVALID ? INVALID : edge(u, v);
   2.351 +    }
   2.352 +
   2.353 +    Arc findArc(Node s, Node t, Arc prev = INVALID) const {
   2.354 +      return prev != INVALID ? INVALID : arc(s, t);
   2.355 +    }
   2.356 +
   2.357 +    class Node {
   2.358 +      friend class FullGraphBase;
   2.359 +
   2.360 +    protected:
   2.361 +      int _id;
   2.362 +      Node(int id) : _id(id) {}
   2.363 +    public:
   2.364 +      Node() {}
   2.365 +      Node (Invalid) { _id = -1; }
   2.366 +      bool operator==(const Node node) const {return _id == node._id;}
   2.367 +      bool operator!=(const Node node) const {return _id != node._id;}
   2.368 +      bool operator<(const Node node) const {return _id < node._id;}
   2.369 +    };
   2.370 +
   2.371 +    class Edge {
   2.372 +      friend class FullGraphBase;
   2.373 +
   2.374 +    protected:
   2.375 +      int _id;
   2.376 +
   2.377 +      Edge(int id) : _id(id) {}
   2.378 +
   2.379 +    public:
   2.380 +      Edge() { }
   2.381 +      Edge (Invalid) { _id = -1; }
   2.382 +
   2.383 +      bool operator==(const Edge edge) const {return _id == edge._id;}
   2.384 +      bool operator!=(const Edge edge) const {return _id != edge._id;}
   2.385 +      bool operator<(const Edge edge) const {return _id < edge._id;}
   2.386 +    };
   2.387 +
   2.388 +    class Arc {
   2.389 +      friend class FullGraphBase;
   2.390 +
   2.391 +    protected:
   2.392 +      int _id;
   2.393 +
   2.394 +      Arc(int id) : _id(id) {}
   2.395 +
   2.396 +    public:
   2.397 +      Arc() { }
   2.398 +      Arc (Invalid) { _id = -1; }
   2.399 +
   2.400 +      operator Edge() const { return Edge(_id != -1 ? (_id >> 1) : -1); }
   2.401 +
   2.402 +      bool operator==(const Arc arc) const {return _id == arc._id;}
   2.403 +      bool operator!=(const Arc arc) const {return _id != arc._id;}
   2.404 +      bool operator<(const Arc arc) const {return _id < arc._id;}
   2.405 +    };
   2.406 +
   2.407 +    static bool direction(Arc arc) {
   2.408 +      return (arc._id & 1) == 1;
   2.409 +    }
   2.410 +
   2.411 +    static Arc direct(Edge edge, bool dir) {
   2.412 +      return Arc((edge._id << 1) | (dir ? 1 : 0));
   2.413 +    }
   2.414 +
   2.415 +    void first(Node& node) const {
   2.416 +      node._id = _node_num - 1;
   2.417 +    }
   2.418 +
   2.419 +    static void next(Node& node) {
   2.420 +      --node._id;
   2.421 +    }
   2.422 +
   2.423 +    void first(Arc& arc) const {
   2.424 +      arc._id = (_edge_num << 1) - 1;
   2.425 +    }
   2.426 +
   2.427 +    static void next(Arc& arc) {
   2.428 +      --arc._id;
   2.429 +    }
   2.430 +
   2.431 +    void first(Edge& edge) const {
   2.432 +      edge._id = _edge_num - 1;
   2.433 +    }
   2.434 +
   2.435 +    static void next(Edge& edge) {
   2.436 +      --edge._id;
   2.437 +    }
   2.438 +
   2.439 +    void firstOut(Arc& arc, const Node& node) const {
   2.440 +      int s = node._id, t = _node_num - 1;
   2.441 +      if (s < t) {
   2.442 +        arc._id = (_eid(s, t) << 1) | 1;
   2.443 +      } else {
   2.444 +        --t;
   2.445 +        arc._id = (t != -1 ? (_eid(t, s) << 1) : -1);
   2.446 +      }
   2.447 +    }
   2.448 +
   2.449 +    void nextOut(Arc& arc) const {
   2.450 +      int s, t;
   2.451 +      _stid(arc._id, s, t);
   2.452 +      --t;
   2.453 +      if (s < t) {
   2.454 +        arc._id = (_eid(s, t) << 1) | 1;
   2.455 +      } else {
   2.456 +        if (s == t) --t;
   2.457 +        arc._id = (t != -1 ? (_eid(t, s) << 1) : -1);
   2.458 +      }
   2.459 +    }
   2.460 +
   2.461 +    void firstIn(Arc& arc, const Node& node) const {
   2.462 +      int s = _node_num - 1, t = node._id;
   2.463 +      if (s > t) {
   2.464 +        arc._id = (_eid(t, s) << 1);
   2.465 +      } else {
   2.466 +        --s;
   2.467 +        arc._id = (s != -1 ? (_eid(s, t) << 1) | 1 : -1);
   2.468 +      }
   2.469 +    }
   2.470 +
   2.471 +    void nextIn(Arc& arc) const {
   2.472 +      int s, t;
   2.473 +      _stid(arc._id, s, t);
   2.474 +      --s;
   2.475 +      if (s > t) {
   2.476 +        arc._id = (_eid(t, s) << 1);
   2.477 +      } else {
   2.478 +        if (s == t) --s;
   2.479 +        arc._id = (s != -1 ? (_eid(s, t) << 1) | 1 : -1);
   2.480 +      }
   2.481 +    }
   2.482 +
   2.483 +    void firstInc(Edge& edge, bool& dir, const Node& node) const {
   2.484 +      int u = node._id, v = _node_num - 1;
   2.485 +      if (u < v) {
   2.486 +        edge._id = _eid(u, v);
   2.487 +        dir = true;
   2.488 +      } else {
   2.489 +        --v;
   2.490 +        edge._id = (v != -1 ? _eid(v, u) : -1);
   2.491 +        dir = false;
   2.492 +      }
   2.493 +    }
   2.494 +
   2.495 +    void nextInc(Edge& edge, bool& dir) const {
   2.496 +      int u, v;
   2.497 +      if (dir) {
   2.498 +        _uvid(edge._id, u, v);
   2.499 +        --v;
   2.500 +        if (u < v) {
   2.501 +          edge._id = _eid(u, v);
   2.502 +        } else {
   2.503 +          --v;
   2.504 +          edge._id = (v != -1 ? _eid(v, u) : -1);
   2.505 +          dir = false;
   2.506 +        }
   2.507 +      } else {
   2.508 +        _uvid(edge._id, v, u);
   2.509 +        --v;
   2.510 +        edge._id = (v != -1 ? _eid(v, u) : -1);
   2.511 +      }
   2.512 +    }
   2.513 +
   2.514 +  };
   2.515 +
   2.516 +  typedef GraphExtender<FullGraphBase> ExtendedFullGraphBase;
   2.517 +
   2.518 +  /// \ingroup graphs
   2.519 +  ///
   2.520 +  /// \brief An undirected full graph class.
   2.521 +  ///
   2.522 +  /// This is a simple and fast undirected full graph
   2.523 +  /// implementation. From each node go edge to each other node,
   2.524 +  /// therefore the number of edges in the graph is
   2.525 +  /// <tt>n(n-1)/2</tt>. It is completely static, so you can neither
   2.526 +  /// add nor delete either edges or nodes, and it needs just constant
   2.527 +  /// space in memory.
   2.528 +  ///
   2.529 +  /// The \e FullDigraph and \e FullGraph classes are very similar,
   2.530 +  /// but there are two differences. While the \e FullDigraph class is
   2.531 +  /// conform just to the \ref concepts::Digraph "Digraph" concept,
   2.532 +  /// this class is conform to the \ref concepts::Graph "Graph"
   2.533 +  /// concept. In addition, the \e FullGraph class does not contain a
   2.534 +  /// loop arc from each node as the \e FullDigraph does.
   2.535 +  ///
   2.536 +  /// It also has an important extra feature that its maps are real
   2.537 +  /// \ref concepts::ReferenceMap "reference map"s.
   2.538 +  ///
   2.539 +  /// \sa FullDigraph
   2.540 +  class FullGraph : public ExtendedFullGraphBase {
   2.541 +  public:
   2.542 +
   2.543 +    typedef ExtendedFullGraphBase Parent;
   2.544 +
   2.545 +    /// \brief Constructor
   2.546 +    FullGraph() { construct(0); }
   2.547 +
   2.548 +    /// \brief Constructor
   2.549 +    ///
   2.550 +    /// \param n The number of the nodes.
   2.551 +    FullGraph(int n) { construct(n); }
   2.552 +
   2.553 +    /// \brief Resize the graph
   2.554 +    ///
   2.555 +    /// Resize the graph. The function will fully destroy and rebuild
   2.556 +    /// the graph.  This cause that the maps of the graph will
   2.557 +    /// reallocated automatically and the previous values will be
   2.558 +    /// lost.
   2.559 +    void resize(int n) {
   2.560 +      Parent::notifier(Arc()).clear();
   2.561 +      Parent::notifier(Edge()).clear();
   2.562 +      Parent::notifier(Node()).clear();
   2.563 +      construct(n);
   2.564 +      Parent::notifier(Node()).build();
   2.565 +      Parent::notifier(Edge()).build();
   2.566 +      Parent::notifier(Arc()).build();
   2.567 +    }
   2.568 +
   2.569 +    /// \brief Returns the node with the given index.
   2.570 +    ///
   2.571 +    /// Returns the node with the given index. Because it is a static
   2.572 +    /// size graph the node's of the graph can be indexed in the range
   2.573 +    /// <tt>[0..nodeNum()-1]</tt> and the index of the node can
   2.574 +    /// accessed by the \e index() member.
   2.575 +    Node operator()(int ix) const { return Parent::operator()(ix); }
   2.576 +
   2.577 +    /// \brief Returns the index of the node.
   2.578 +    ///
   2.579 +    /// Returns the index of the node. Because it is a static size
   2.580 +    /// graph the node's of the graph can be indexed in the range
   2.581 +    /// <tt>[0..nodeNum()-1]</tt> and the index of the node can
   2.582 +    /// accessed by the \e index() member.
   2.583 +    int index(const Node& node) const { return Parent::index(node); }
   2.584 +
   2.585 +    /// \brief Number of nodes.
   2.586 +    int nodeNum() const { return Parent::nodeNum(); }
   2.587 +    /// \brief Number of arcs.
   2.588 +    int arcNum() const { return Parent::arcNum(); }
   2.589 +    /// \brief Number of edges.
   2.590 +    int edgeNum() const { return Parent::edgeNum(); }
   2.591 +
   2.592 +    /// \brief Returns the arc connects the given nodes.
   2.593 +    ///
   2.594 +    /// Returns the arc connects the given nodes.
   2.595 +    Arc arc(const Node& s, const Node& t) const {
   2.596 +      return Parent::arc(s, t);
   2.597 +    }
   2.598 +
   2.599 +    /// \brief Returns the edge connects the given nodes.
   2.600 +    ///
   2.601 +    /// Returns the edge connects the given nodes.
   2.602 +    Edge edge(const Node& u, const Node& v) const {
   2.603 +      return Parent::edge(u, v);
   2.604 +    }
   2.605 +  };
   2.606 +
   2.607 +
   2.608 +} //namespace lemon
   2.609 +
   2.610 +
   2.611 +#endif //LEMON_FULL_GRAPH_H
     3.1 --- a/test/digraph_test.cc	Mon Aug 04 22:00:36 2008 +0200
     3.2 +++ b/test/digraph_test.cc	Thu Aug 14 21:49:39 2008 +0200
     3.3 @@ -19,7 +19,7 @@
     3.4  #include <lemon/concepts/digraph.h>
     3.5  #include <lemon/list_graph.h>
     3.6  #include <lemon/smart_graph.h>
     3.7 -//#include <lemon/full_graph.h>
     3.8 +#include <lemon/full_graph.h>
     3.9  //#include <lemon/hypercube_graph.h>
    3.10  
    3.11  #include "test_tools.h"
    3.12 @@ -79,6 +79,39 @@
    3.13  
    3.14  }
    3.15  
    3.16 +void checkFullDigraph(int num) {
    3.17 +  typedef FullDigraph Digraph;
    3.18 +  DIGRAPH_TYPEDEFS(Digraph);
    3.19 +  Digraph G(num);
    3.20 +
    3.21 +  checkGraphNodeList(G, num);
    3.22 +  checkGraphArcList(G, num * num);
    3.23 +
    3.24 +  for (NodeIt n(G); n != INVALID; ++n) {
    3.25 +    checkGraphOutArcList(G, n, num);
    3.26 +    checkGraphInArcList(G, n, num);
    3.27 +  }
    3.28 +
    3.29 +  checkGraphConArcList(G, num * num);
    3.30 +
    3.31 +  checkNodeIds(G);
    3.32 +  checkArcIds(G);
    3.33 +  checkGraphNodeMap(G);
    3.34 +  checkGraphArcMap(G);
    3.35 +
    3.36 +  for (int i = 0; i < G.nodeNum(); ++i) {
    3.37 +    check(G.index(G(i)) == i, "Wrong index");
    3.38 +  }
    3.39 +
    3.40 +  for (NodeIt s(G); s != INVALID; ++s) {
    3.41 +    for (NodeIt t(G); t != INVALID; ++t) {
    3.42 +      Arc a = G.arc(s, t);
    3.43 +      check(G.source(a) == s && G.target(a) == t, "Wrong arc lookup");
    3.44 +    }
    3.45 +  }
    3.46 +
    3.47 +}
    3.48 +
    3.49  
    3.50  void checkConcepts() {
    3.51    { // Checking digraph components
    3.52 @@ -176,6 +209,9 @@
    3.53      checkDigraph<SmartDigraph>();
    3.54      checkDigraphValidity<SmartDigraph>();
    3.55    }
    3.56 +  { // Checking FullDigraph
    3.57 +    checkFullDigraph(8);
    3.58 +  }
    3.59  }
    3.60  
    3.61  int main() {
     4.1 --- a/test/graph_test.cc	Mon Aug 04 22:00:36 2008 +0200
     4.2 +++ b/test/graph_test.cc	Thu Aug 14 21:49:39 2008 +0200
     4.3 @@ -19,7 +19,7 @@
     4.4  #include <lemon/concepts/graph.h>
     4.5  #include <lemon/list_graph.h>
     4.6  #include <lemon/smart_graph.h>
     4.7 -// #include <lemon/full_graph.h>
     4.8 +#include <lemon/full_graph.h>
     4.9  // #include <lemon/grid_graph.h>
    4.10  
    4.11  #include "test_tools.h"
    4.12 @@ -95,6 +95,53 @@
    4.13    checkGraphEdgeMap(G);
    4.14  }
    4.15  
    4.16 +void checkFullGraph(int num) {
    4.17 +  typedef FullGraph Graph;
    4.18 +  GRAPH_TYPEDEFS(Graph);
    4.19 +
    4.20 +  Graph G(num);
    4.21 +  checkGraphNodeList(G, num);
    4.22 +  checkGraphEdgeList(G, num * (num - 1) / 2);
    4.23 +
    4.24 +  for (NodeIt n(G); n != INVALID; ++n) {
    4.25 +    checkGraphOutArcList(G, n, num - 1);    
    4.26 +    checkGraphInArcList(G, n, num - 1);    
    4.27 +    checkGraphIncEdgeList(G, n, num - 1);    
    4.28 +  }
    4.29 +
    4.30 +  checkGraphConArcList(G, num * (num - 1));
    4.31 +  checkGraphConEdgeList(G, num * (num - 1) / 2);
    4.32 +
    4.33 +  checkArcDirections(G);
    4.34 +
    4.35 +  checkNodeIds(G);
    4.36 +  checkArcIds(G);
    4.37 +  checkEdgeIds(G);
    4.38 +  checkGraphNodeMap(G);
    4.39 +  checkGraphArcMap(G);
    4.40 +  checkGraphEdgeMap(G);
    4.41 +
    4.42 +  
    4.43 +  for (int i = 0; i < G.nodeNum(); ++i) {
    4.44 +    check(G.index(G(i)) == i, "Wrong index");
    4.45 +  }
    4.46 +
    4.47 +  for (NodeIt u(G); u != INVALID; ++u) {
    4.48 +    for (NodeIt v(G); v != INVALID; ++v) {
    4.49 +      Edge e = G.edge(u, v);
    4.50 +      Arc a = G.arc(u, v);
    4.51 +      if (u == v) {
    4.52 +        check(e == INVALID, "Wrong edge lookup");
    4.53 +        check(a == INVALID, "Wrong arc lookup");
    4.54 +      } else {
    4.55 +        check((G.u(e) == u && G.v(e) == v) ||
    4.56 +              (G.u(e) == v && G.v(e) == u), "Wrong edge lookup");
    4.57 +        check(G.source(a) == u && G.target(a) == v, "Wrong arc lookup");
    4.58 +      }
    4.59 +    }
    4.60 +  }
    4.61 +}
    4.62 +
    4.63  void checkConcepts() {
    4.64    { // Checking graph components
    4.65      checkConcept<BaseGraphComponent, BaseGraphComponent >();
    4.66 @@ -124,14 +171,12 @@
    4.67      checkConcept<ExtendableGraphComponent<>, SmartGraph>();
    4.68      checkConcept<ClearableGraphComponent<>, SmartGraph>();
    4.69    }
    4.70 -//  { // Checking FullGraph
    4.71 -//    checkConcept<Graph, FullGraph>();
    4.72 -//    checkGraphIterators<FullGraph>();
    4.73 -//  }
    4.74 -//  { // Checking GridGraph
    4.75 -//    checkConcept<Graph, GridGraph>();
    4.76 -//    checkGraphIterators<GridGraph>();
    4.77 -//  }
    4.78 +  { // Checking FullGraph
    4.79 +    checkConcept<Graph, FullGraph>();
    4.80 +  }
    4.81 +//   { // Checking GridGraph
    4.82 +//     checkConcept<Graph, GridGraph>();
    4.83 +//   }
    4.84  }
    4.85  
    4.86  template <typename Graph>
    4.87 @@ -241,11 +286,10 @@
    4.88      checkGraph<SmartGraph>();
    4.89      checkGraphValidity<SmartGraph>();
    4.90    }
    4.91 -//   { // Checking FullGraph
    4.92 -//     FullGraph g(5);
    4.93 -//     checkGraphNodeList(g, 5);
    4.94 -//     checkGraphEdgeList(g, 10);
    4.95 -//   }
    4.96 +  { // Checking FullGraph   
    4.97 +    checkFullGraph(7);
    4.98 +    checkFullGraph(8);
    4.99 +  }
   4.100  //   { // Checking GridGraph
   4.101  //     GridGraph g(5, 6);
   4.102  //     checkGraphNodeList(g, 30);