COIN-OR::LEMON - Graph Library

source: lemon-0.x/src/lemon/concept/undir_graph.h @ 986:e997802b855c

Last change on this file since 986:e997802b855c was 986:e997802b855c, checked in by Alpar Juttner, 19 years ago

Naming changes:

  • head -> target
  • tail -> source
File size: 1.9 KB
Line 
1/* -*- C++ -*-
2 *
3 * src/lemon/concept/undir_graph_component.h - Part of LEMON, a generic
4 * C++ optimization library
5 *
6 * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi
7 * Kutatocsoport (Egervary Combinatorial Optimization Research Group,
8 * EGRES).
9 *
10 * Permission to use, modify and distribute this software is granted
11 * provided that this copyright notice appears in all copies. For
12 * precise terms see the accompanying LICENSE file.
13 *
14 * This software is provided "AS IS" with no warranty of any kind,
15 * express or implied, and with no claim as to its suitability for any
16 * purpose.
17 *
18 */
19
20///\ingroup concept
21///\file
22///\brief Undirected graphs and components of.
23
24
25#ifndef LEMON_CONCEPT_UNDIR_GRAPH_H
26#define LEMON_CONCEPT_UNDIR_GRAPH_H
27
28#include <lemon/concept/graph_component.h>
29
30namespace lemon {
31  namespace concept {
32
33    /// \todo to be done
34    class BaseIterableUndirGraph;
35
36    template <typename Graph>
37    struct BaseIterableUndirGraphConcept {
38      typedef typename Graph::UndirEdge UndirEdge;
39      typedef typename Graph::Edge Edge;
40      typedef typename Graph::Node Node;
41      void constraints() {
42        function_requires< BaseIterableGraphComponentConcept<Graph> >();
43        function_requires< GraphItemConcept<UndirEdge> >();
44
45        /// \bug this should be base_and_derived:
46        UndirEdge ue = e;
47        ue = e;
48
49        Node n;
50        n = graph.target(ue);
51        n = graph.source(ue);
52
53        graph.first(ue);
54        graph.next(ue);
55      }
56      const Graph &graph;
57      Edge e;
58    };
59
60    template <typename Graph>
61    struct IterableUndirGraphConcept {
62      void constraints() {
63        function_requires< BaseIterableUndirGraphConcept<Graph> > ();
64        function_requires< IterableGraphComponentConcept<Graph> > ();
65
66        typedef typename Graph::UndirEdge UndirEdge;
67        typedef typename Graph::UndirEdgeIt UndirEdgeIt;
68
69        function_requires<
70          GraphIteratorConcept<UndirEdgeIt, Graph, UndirEdge> >();
71      }
72    };
73
74  }
75
76}
77
78#endif
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