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LEMON code without an explicit copyright is covered by the following
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copyright/license.
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Copyright (C) 2003-2007 Egervary Jeno Kombinatorikus Optimalizalasi
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Copyright (C) 2003-2008 Egervary Jeno Kombinatorikus Optimalizalasi
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Kutatocsoport (Egervary Combinatorial Optimization Research Group,
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EGRES).
7 7

	
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Permission is hereby granted, free of charge, to any person or organization
9 9
obtaining a copy of the software and accompanying documentation covered by
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this license (the "Software") to use, reproduce, display, distribute,
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execute, and transmit the Software, and to prepare derivative works of the
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Software, and to permit third-parties to whom the Software is furnished to
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do so, all subject to the following:
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The copyright notices in the Software and this entire statement, including
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the above license grant, this restriction and the following disclaimer,
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must be included in all copies of the Software, in whole or in part, and
18 18
all derivative works of the Software, unless such copies or derivative
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works are solely in the form of machine-executable object code generated by
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a source language processor.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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===========================================================================
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This license is a verbatim copy of the Boost Software License, Version 1.0.
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33 33

	
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/* -*- C++ -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_BITS_ALTERATION_NOTIFIER_H
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#define LEMON_BITS_ALTERATION_NOTIFIER_H
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#include <vector>
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#include <list>
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#include <lemon/bits/utility.h>
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///\ingroup graphbits
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///\file
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///\brief Observer notifier for graph alteration observers.
30 30

	
31 31
namespace lemon {
32 32

	
33 33
  /// \ingroup graphbits
34 34
  ///
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  /// \brief Notifier class to notify observes about alterations in 
36 36
  /// a container.
37 37
  ///
38 38
  /// The simple graph's can be refered as two containers, one node container
39 39
  /// and one edge container. But they are not standard containers they
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  /// does not store values directly they are just key continars for more
41 41
  /// value containers which are the node and edge maps.
42 42
  ///
43 43
  /// The graph's node and edge sets can be changed as we add or erase
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  /// nodes and edges in the graph. Lemon would like to handle easily
45 45
  /// that the node and edge maps should contain values for all nodes or
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  /// edges. If we want to check on every indicing if the map contains
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  /// the current indicing key that cause a drawback in the performance
48 48
  /// in the library. We use another solution we notify all maps about
49 49
  /// an alteration in the graph, which cause only drawback on the
50 50
  /// alteration of the graph.
51 51
  ///
52 52
  /// This class provides an interface to the container. The \e first() and \e 
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  /// next() member functions make possible to iterate on the keys of the
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  /// container. The \e id() function returns an integer id for each key.
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  /// The \e maxId() function gives back an upper bound of the ids.
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  ///
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  /// For the proper functonality of this class, we should notify it
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  /// about each alteration in the container. The alterations have four type
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  /// as \e add(), \e erase(), \e build() and \e clear(). The \e add() and
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  /// \e erase() signals that only one or few items added or erased to or
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  /// from the graph. If all items are erased from the graph or from an empty
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  /// graph a new graph is builded then it can be signaled with the
63 63
  /// clear() and build() members. Important rule that if we erase items 
64 64
  /// from graph we should first signal the alteration and after that erase
65 65
  /// them from the container, on the other way on item addition we should
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  /// first extend the container and just after that signal the alteration.
67 67
  ///
68 68
  /// The alteration can be observed with a class inherited from the
69 69
  /// \e ObserverBase nested class. The signals can be handled with
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  /// overriding the virtual functions defined in the base class.  The
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  /// observer base can be attached to the notifier with the 
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  /// \e attach() member and can be detached with detach() function. The
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  /// alteration handlers should not call any function which signals
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  /// an other alteration in the same notifier and should not
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  /// detach any observer from the notifier.
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  ///
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  /// Alteration observers try to be exception safe. If an \e add() or
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  /// a \e clear() function throws an exception then the remaining
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  /// observeres will not be notified and the fulfilled additions will
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  /// be rolled back by calling the \e erase() or \e clear()
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  /// functions. Thence the \e erase() and \e clear() should not throw
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  /// exception. Actullay, it can be throw only 
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  /// \ref AlterationObserver::ImmediateDetach ImmediateDetach
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  /// exception which detach the observer from the notifier.
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  ///
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  /// There are some place when the alteration observing is not completly
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  /// reliable. If we want to carry out the node degree in the graph
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  /// as in the \ref InDegMap and we use the reverseEdge that cause 
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  /// unreliable functionality. Because the alteration observing signals
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  /// only erasing and adding but not the reversing it will stores bad
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  /// degrees. The sub graph adaptors cannot signal the alterations because
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  /// just a setting in the filter map can modify the graph and this cannot
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  /// be watched in any way.
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  ///
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  /// \param _Container The container which is observed.
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  /// \param _Item The item type which is obserbved.
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  ///
98 98
  /// \author Balazs Dezso
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100 100
  template <typename _Container, typename _Item>
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  class AlterationNotifier {
102 102
  public:
103 103

	
104 104
    typedef True Notifier;
105 105

	
106 106
    typedef _Container Container;
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    typedef _Item Item;
108 108

	
109 109
    /// \brief Exception which can be called from \e clear() and 
110 110
    /// \e erase().
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    ///
112 112
    /// From the \e clear() and \e erase() function only this
113 113
    /// exception is allowed to throw. The exception immediatly
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    /// detaches the current observer from the notifier. Because the
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    /// \e clear() and \e erase() should not throw other exceptions
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    /// it can be used to invalidate the observer.
117 117
    struct ImmediateDetach {};
118 118

	
119 119
    /// \brief ObserverBase is the base class for the observers.
120 120
    ///
121 121
    /// ObserverBase is the abstract base class for the observers.
122 122
    /// It will be notified about an item was inserted into or
123 123
    /// erased from the graph.
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    ///
125 125
    /// The observer interface contains some pure virtual functions
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    /// to override. The add() and erase() functions are
127 127
    /// to notify the oberver when one item is added or
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    /// erased.
129 129
    ///
130 130
    /// The build() and clear() members are to notify the observer
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    /// about the container is built from an empty container or
132 132
    /// is cleared to an empty container. 
133 133
    /// 
134 134
    /// \author Balazs Dezso
135 135

	
136 136
    class ObserverBase {
137 137
    protected:
138 138
      typedef AlterationNotifier Notifier;
139 139

	
140 140
      friend class AlterationNotifier;
141 141

	
142 142
      /// \brief Default constructor.
143 143
      ///
144 144
      /// Default constructor for ObserverBase.
145 145
      /// 
146 146
      ObserverBase() : _notifier(0) {}
147 147

	
148 148
      /// \brief Constructor which attach the observer into notifier.
149 149
      ///
150 150
      /// Constructor which attach the observer into notifier.
151 151
      ObserverBase(AlterationNotifier& nf) {
152 152
        attach(nf);
153 153
      }
154 154

	
155 155
      /// \brief Constructor which attach the obserever to the same notifier.
156 156
      ///
157 157
      /// Constructor which attach the obserever to the same notifier as
158 158
      /// the other observer is attached to. 
159 159
      ObserverBase(const ObserverBase& copy) {
160 160
	if (copy.attached()) {
161 161
          attach(*copy.notifier());
162 162
	}
163 163
      }
164 164
	
165 165
      /// \brief Destructor
166 166
      virtual ~ObserverBase() {
167 167
        if (attached()) {
168 168
          detach();
169 169
        }
170 170
      }
171 171

	
172 172
      /// \brief Attaches the observer into an AlterationNotifier.
173 173
      ///
174 174
      /// This member attaches the observer into an AlterationNotifier.
175 175
      ///
176 176
      void attach(AlterationNotifier& nf) {
177 177
	nf.attach(*this);
178 178
      }
179 179
      
180 180
      /// \brief Detaches the observer into an AlterationNotifier.
181 181
      ///
182 182
      /// This member detaches the observer from an AlterationNotifier.
183 183
      ///
184 184
      void detach() {
185 185
        _notifier->detach(*this);
186 186
      }
187 187
      
188 188
      /// \brief Gives back a pointer to the notifier which the map 
189 189
      /// attached into.
190 190
      ///
191 191
      /// This function gives back a pointer to the notifier which the map
192 192
      /// attached into.
193 193
      ///
194 194
      Notifier* notifier() const { return const_cast<Notifier*>(_notifier); }
195 195
      
196 196
      /// Gives back true when the observer is attached into a notifier.
197 197
      bool attached() const { return _notifier != 0; }
Ignore white space 6 line context
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/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
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 *
17 17
 */
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19 19
#ifndef LEMON_BITS_ARRAY_MAP_H
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#define LEMON_BITS_ARRAY_MAP_H
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#include <memory>
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#include <lemon/bits/traits.h>
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#include <lemon/bits/alteration_notifier.h>
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#include <lemon/concept_check.h>
27 27
#include <lemon/concepts/maps.h>
28 28

	
29 29
/// \ingroup graphbits
30 30
/// \file
31 31
/// \brief Graph map based on the array storage.
32 32

	
33 33
namespace lemon {
34 34

	
35 35
  /// \ingroup graphbits
36 36
  ///
37 37
  /// \brief Graph map based on the array storage.
38 38
  ///
39 39
  /// The ArrayMap template class is graph map structure what
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  /// automatically updates the map when a key is added to or erased from
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  /// the map. This map uses the allocators to implement 
42 42
  /// the container functionality.
43 43
  ///
44 44
  /// The template parameters are the Graph the current Item type and
45 45
  /// the Value type of the map.
46 46
  template <typename _Graph, typename _Item, typename _Value>
47 47
  class ArrayMap 
48 48
    : public ItemSetTraits<_Graph, _Item>::ItemNotifier::ObserverBase {
49 49
  public:
50 50
    /// The graph type of the maps. 
51 51
    typedef _Graph Graph;
52 52
    /// The item type of the map.
53 53
    typedef _Item Item;
54 54
    /// The reference map tag.
55 55
    typedef True ReferenceMapTag;
56 56

	
57 57
    /// The key type of the maps.
58 58
    typedef _Item Key;
59 59
    /// The value type of the map.
60 60
    typedef _Value Value;
61 61

	
62 62
    /// The const reference type of the map.
63 63
    typedef const _Value& ConstReference;
64 64
    /// The reference type of the map.
65 65
    typedef _Value& Reference;
66 66

	
67 67
    /// The notifier type.
68 68
    typedef typename ItemSetTraits<_Graph, _Item>::ItemNotifier Notifier;
69 69

	
70 70
    /// The MapBase of the Map which imlements the core regisitry function.
71 71
    typedef typename Notifier::ObserverBase Parent;
72 72
		
73 73
  private:
74 74
    typedef std::allocator<Value> Allocator;
75 75

	
76 76
  public:
77 77

	
78 78
    /// \brief Graph initialized map constructor.
79 79
    ///
80 80
    /// Graph initialized map constructor.
81 81
    explicit ArrayMap(const Graph& graph) {
82 82
      Parent::attach(graph.notifier(Item()));
83 83
      allocate_memory();
84 84
      Notifier* nf = Parent::notifier();
85 85
      Item it;
86 86
      for (nf->first(it); it != INVALID; nf->next(it)) {
87 87
	int id = nf->id(it);;
88 88
	allocator.construct(&(values[id]), Value());
89 89
      }								
90 90
    }
91 91

	
92 92
    /// \brief Constructor to use default value to initialize the map. 
93 93
    ///
94 94
    /// It constructs a map and initialize all of the the map. 
95 95
    ArrayMap(const Graph& graph, const Value& value) {
96 96
      Parent::attach(graph.notifier(Item()));
97 97
      allocate_memory();
98 98
      Notifier* nf = Parent::notifier();
99 99
      Item it;
100 100
      for (nf->first(it); it != INVALID; nf->next(it)) {
101 101
	int id = nf->id(it);;
102 102
	allocator.construct(&(values[id]), value);
103 103
      }								
104 104
    }
105 105

	
106 106
    /// \brief Constructor to copy a map of the same map type.
107 107
    ///
108 108
    /// Constructor to copy a map of the same map type.     
109 109
    ArrayMap(const ArrayMap& copy) : Parent() {
110 110
      if (copy.attached()) {
111 111
	attach(*copy.notifier());
112 112
      }
113 113
      capacity = copy.capacity;
114 114
      if (capacity == 0) return;
115 115
      values = allocator.allocate(capacity);
116 116
      Notifier* nf = Parent::notifier();
117 117
      Item it;
118 118
      for (nf->first(it); it != INVALID; nf->next(it)) {
119 119
	int id = nf->id(it);;
120 120
	allocator.construct(&(values[id]), copy.values[id]);
121 121
      }
122 122
    }
123 123

	
124 124
    /// \brief Assign operator.
125 125
    ///
126 126
    /// This operator assigns for each item in the map the
127 127
    /// value mapped to the same item in the copied map.  
128 128
    /// The parameter map should be indiced with the same
129 129
    /// itemset because this assign operator does not change
130 130
    /// the container of the map. 
131 131
    ArrayMap& operator=(const ArrayMap& cmap) {
132 132
      return operator=<ArrayMap>(cmap);
133 133
    }
134 134

	
135 135

	
136 136
    /// \brief Template assign operator.
137 137
    ///
138 138
    /// The given parameter should be conform to the ReadMap
139 139
    /// concecpt and could be indiced by the current item set of
140 140
    /// the NodeMap. In this case the value for each item
141 141
    /// is assigned by the value of the given ReadMap. 
142 142
    template <typename CMap>
143 143
    ArrayMap& operator=(const CMap& cmap) {
144 144
      checkConcept<concepts::ReadMap<Key, _Value>, CMap>();
145 145
      const typename Parent::Notifier* nf = Parent::notifier();
146 146
      Item it;
147 147
      for (nf->first(it); it != INVALID; nf->next(it)) {
148 148
        set(it, cmap[it]);
149 149
      }
150 150
      return *this;
151 151
    }
152 152

	
153 153
    /// \brief The destructor of the map.
154 154
    ///     
155 155
    /// The destructor of the map.
156 156
    virtual ~ArrayMap() {      
157 157
      if (attached()) {
158 158
	clear();
159 159
	detach();
160 160
      }
161 161
    }
162 162
		
163 163
  protected:
164 164

	
165 165
    using Parent::attach;
166 166
    using Parent::detach;
167 167
    using Parent::attached;
168 168

	
169 169
  public:
170 170

	
171 171
    /// \brief The subscript operator. 
172 172
    ///
173 173
    /// The subscript operator. The map can be subscripted by the
174 174
    /// actual keys of the graph. 
175 175
    Value& operator[](const Key& key) {
176 176
      int id = Parent::notifier()->id(key);
177 177
      return values[id];
178 178
    } 
179 179
		
180 180
    /// \brief The const subscript operator.
181 181
    ///
182 182
    /// The const subscript operator. The map can be subscripted by the
183 183
    /// actual keys of the graph. 
184 184
    const Value& operator[](const Key& key) const {
185 185
      int id = Parent::notifier()->id(key);
186 186
      return values[id];
187 187
    }
188 188

	
189 189
    /// \brief Setter function of the map.
190 190
    ///	
191 191
    /// Setter function of the map. Equivalent with map[key] = val.
192 192
    /// This is a compatibility feature with the not dereferable maps.
193 193
    void set(const Key& key, const Value& val) {
194 194
      (*this)[key] = val;
195 195
    }
196 196

	
197 197
  protected:
Ignore white space 384 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_BITS_BASE_EXTENDER_H
20 20
#define LEMON_BITS_BASE_EXTENDER_H
21 21

	
22 22
#include <lemon/bits/invalid.h>
23 23
#include <lemon/error.h>
24 24

	
25 25
#include <lemon/bits/map_extender.h>
26 26
#include <lemon/bits/default_map.h>
27 27

	
28 28
#include <lemon/concept_check.h>
29 29
#include <lemon/concepts/maps.h>
30 30

	
31 31
///\ingroup digraphbits
32 32
///\file
33 33
///\brief Extenders for the digraph types
34 34
namespace lemon {
35 35

	
36 36
  /// \ingroup digraphbits
37 37
  ///
38 38
  /// \brief BaseDigraph to BaseGraph extender
39 39
  template <typename Base>
40 40
  class UndirDigraphExtender : public Base {
41 41

	
42 42
  public:
43 43

	
44 44
    typedef Base Parent;
45 45
    typedef typename Parent::Arc Edge;
46 46
    typedef typename Parent::Node Node;
47 47

	
48 48
    typedef True UndirectedTag;
49 49

	
50 50
    class Arc : public Edge {
51 51
      friend class UndirDigraphExtender;
52 52

	
53 53
    protected:
54 54
      bool forward;
55 55

	
56 56
      Arc(const Edge &ue, bool _forward) :
57 57
        Edge(ue), forward(_forward) {}
58 58

	
59 59
    public:
60 60
      Arc() {}
61 61

	
62 62
      /// Invalid arc constructor
63 63
      Arc(Invalid i) : Edge(i), forward(true) {}
64 64

	
65 65
      bool operator==(const Arc &that) const {
66 66
	return forward==that.forward && Edge(*this)==Edge(that);
67 67
      }
68 68
      bool operator!=(const Arc &that) const {
69 69
	return forward!=that.forward || Edge(*this)!=Edge(that);
70 70
      }
71 71
      bool operator<(const Arc &that) const {
72 72
	return forward<that.forward ||
73 73
	  (!(that.forward<forward) && Edge(*this)<Edge(that));
74 74
      }
75 75
    };
76 76

	
77 77

	
78 78

	
79 79
    using Parent::source;
80 80

	
81 81
    /// Source of the given Arc.
82 82
    Node source(const Arc &e) const {
83 83
      return e.forward ? Parent::source(e) : Parent::target(e);
84 84
    }
85 85

	
86 86
    using Parent::target;
87 87

	
88 88
    /// Target of the given Arc.
89 89
    Node target(const Arc &e) const {
90 90
      return e.forward ? Parent::target(e) : Parent::source(e);
91 91
    }
92 92

	
93 93
    /// \brief Directed arc from an edge.
94 94
    ///
95 95
    /// Returns a directed arc corresponding to the specified Edge.
96 96
    /// If the given bool is true the given edge and the
97 97
    /// returned arc have the same source node.
98 98
    static Arc direct(const Edge &ue, bool d) {
99 99
      return Arc(ue, d);
100 100
    }
101 101

	
102 102
    /// Returns whether the given directed arc is same orientation as the
103 103
    /// corresponding edge.
104 104
    ///
105 105
    /// \todo reference to the corresponding point of the undirected digraph
106 106
    /// concept. "What does the direction of an edge mean?"
107 107
    static bool direction(const Arc &e) { return e.forward; }
108 108

	
109 109

	
110 110
    using Parent::first;
111 111
    using Parent::next;
112 112

	
113 113
    void first(Arc &e) const {
114 114
      Parent::first(e);
115 115
      e.forward=true;
116 116
    }
117 117

	
118 118
    void next(Arc &e) const {
119 119
      if( e.forward ) {
120 120
	e.forward = false;
121 121
      }
122 122
      else {
123 123
	Parent::next(e);
124 124
	e.forward = true;
125 125
      }
126 126
    }
127 127

	
128 128
    void firstOut(Arc &e, const Node &n) const {
129 129
      Parent::firstIn(e,n);
130 130
      if( Edge(e) != INVALID ) {
131 131
	e.forward = false;
132 132
      }
133 133
      else {
134 134
	Parent::firstOut(e,n);
135 135
	e.forward = true;
136 136
      }
137 137
    }
138 138
    void nextOut(Arc &e) const {
139 139
      if( ! e.forward ) {
140 140
	Node n = Parent::target(e);
141 141
	Parent::nextIn(e);
142 142
	if( Edge(e) == INVALID ) {
143 143
	  Parent::firstOut(e, n);
144 144
	  e.forward = true;
145 145
	}
146 146
      }
147 147
      else {
148 148
	Parent::nextOut(e);
149 149
      }
150 150
    }
151 151

	
152 152
    void firstIn(Arc &e, const Node &n) const {
153 153
      Parent::firstOut(e,n);
154 154
      if( Edge(e) != INVALID ) {
155 155
	e.forward = false;
156 156
      }
157 157
      else {
158 158
	Parent::firstIn(e,n);
159 159
	e.forward = true;
160 160
      }
161 161
    }
162 162
    void nextIn(Arc &e) const {
163 163
      if( ! e.forward ) {
164 164
	Node n = Parent::source(e);
165 165
	Parent::nextOut(e);
166 166
	if( Edge(e) == INVALID ) {
167 167
	  Parent::firstIn(e, n);
168 168
	  e.forward = true;
169 169
	}
170 170
      }
171 171
      else {
172 172
	Parent::nextIn(e);
173 173
      }
174 174
    }
175 175

	
176 176
    void firstInc(Edge &e, bool &d, const Node &n) const {
177 177
      d = true;
178 178
      Parent::firstOut(e, n);
179 179
      if (e != INVALID) return;
180 180
      d = false;
181 181
      Parent::firstIn(e, n);
182 182
    }
183 183

	
184 184
    void nextInc(Edge &e, bool &d) const {
185 185
      if (d) {
186 186
	Node s = Parent::source(e);
187 187
	Parent::nextOut(e);
188 188
	if (e != INVALID) return;
189 189
	d = false;
190 190
	Parent::firstIn(e, s);
191 191
      } else {
192 192
	Parent::nextIn(e);
193 193
      }
194 194
    }
195 195

	
196 196
    Node nodeFromId(int ix) const {
197 197
      return Parent::nodeFromId(ix);
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_BITS_DEFAULT_MAP_H
20 20
#define LEMON_BITS_DEFAULT_MAP_H
21 21

	
22 22

	
23 23
#include <lemon/bits/array_map.h>
24 24
#include <lemon/bits/vector_map.h>
25 25
//#include <lemon/bits/debug_map.h>
26 26

	
27 27
///\ingroup graphbits
28 28
///\file
29 29
///\brief Graph maps that construct and destruct their elements dynamically.
30 30

	
31 31
namespace lemon {
32 32
  
33 33
  
34 34
  //#ifndef LEMON_USE_DEBUG_MAP
35 35

	
36 36
  template <typename _Graph, typename _Item, typename _Value>
37 37
  struct DefaultMapSelector {
38 38
    typedef ArrayMap<_Graph, _Item, _Value> Map;
39 39
  };
40 40

	
41 41
  // bool
42 42
  template <typename _Graph, typename _Item>
43 43
  struct DefaultMapSelector<_Graph, _Item, bool> {
44 44
    typedef VectorMap<_Graph, _Item, bool> Map;
45 45
  };
46 46

	
47 47
  // char
48 48
  template <typename _Graph, typename _Item>
49 49
  struct DefaultMapSelector<_Graph, _Item, char> {
50 50
    typedef VectorMap<_Graph, _Item, char> Map;
51 51
  };
52 52

	
53 53
  template <typename _Graph, typename _Item>
54 54
  struct DefaultMapSelector<_Graph, _Item, signed char> {
55 55
    typedef VectorMap<_Graph, _Item, signed char> Map;
56 56
  };
57 57

	
58 58
  template <typename _Graph, typename _Item>
59 59
  struct DefaultMapSelector<_Graph, _Item, unsigned char> {
60 60
    typedef VectorMap<_Graph, _Item, unsigned char> Map;
61 61
  };
62 62

	
63 63

	
64 64
  // int
65 65
  template <typename _Graph, typename _Item>
66 66
  struct DefaultMapSelector<_Graph, _Item, signed int> {
67 67
    typedef VectorMap<_Graph, _Item, signed int> Map;
68 68
  };
69 69

	
70 70
  template <typename _Graph, typename _Item>
71 71
  struct DefaultMapSelector<_Graph, _Item, unsigned int> {
72 72
    typedef VectorMap<_Graph, _Item, unsigned int> Map;
73 73
  };
74 74

	
75 75

	
76 76
  // short
77 77
  template <typename _Graph, typename _Item>
78 78
  struct DefaultMapSelector<_Graph, _Item, signed short> {
79 79
    typedef VectorMap<_Graph, _Item, signed short> Map;
80 80
  };
81 81

	
82 82
  template <typename _Graph, typename _Item>
83 83
  struct DefaultMapSelector<_Graph, _Item, unsigned short> {
84 84
    typedef VectorMap<_Graph, _Item, unsigned short> Map;
85 85
  };
86 86

	
87 87

	
88 88
  // long
89 89
  template <typename _Graph, typename _Item>
90 90
  struct DefaultMapSelector<_Graph, _Item, signed long> {
91 91
    typedef VectorMap<_Graph, _Item, signed long> Map;
92 92
  };
93 93

	
94 94
  template <typename _Graph, typename _Item>
95 95
  struct DefaultMapSelector<_Graph, _Item, unsigned long> {
96 96
    typedef VectorMap<_Graph, _Item, unsigned long> Map;
97 97
  };
98 98

	
99 99

	
100 100
#if defined __GNUC__ && !defined __STRICT_ANSI__
101 101

	
102 102
  // long long
103 103
  template <typename _Graph, typename _Item>
104 104
  struct DefaultMapSelector<_Graph, _Item, signed long long> {
105 105
    typedef VectorMap<_Graph, _Item, signed long long> Map;
106 106
  };
107 107

	
108 108
  template <typename _Graph, typename _Item>
109 109
  struct DefaultMapSelector<_Graph, _Item, unsigned long long> {
110 110
    typedef VectorMap<_Graph, _Item, unsigned long long> Map;
111 111
  };
112 112

	
113 113
#endif
114 114

	
115 115

	
116 116
  // float
117 117
  template <typename _Graph, typename _Item>
118 118
  struct DefaultMapSelector<_Graph, _Item, float> {
119 119
    typedef VectorMap<_Graph, _Item, float> Map;
120 120
  };
121 121

	
122 122

	
123 123
  // double
124 124
  template <typename _Graph, typename _Item>
125 125
  struct DefaultMapSelector<_Graph, _Item, double> {
126 126
    typedef VectorMap<_Graph, _Item,  double> Map;
127 127
  };
128 128

	
129 129

	
130 130
  // long double
131 131
  template <typename _Graph, typename _Item>
132 132
  struct DefaultMapSelector<_Graph, _Item, long double> {
133 133
    typedef VectorMap<_Graph, _Item, long double> Map;
134 134
  };
135 135

	
136 136

	
137 137
  // pointer
138 138
  template <typename _Graph, typename _Item, typename _Ptr>
139 139
  struct DefaultMapSelector<_Graph, _Item, _Ptr*> {
140 140
    typedef VectorMap<_Graph, _Item, _Ptr*> Map;
141 141
  };
142 142

	
143 143
// #else 
144 144

	
145 145
//   template <typename _Graph, typename _Item, typename _Value>
146 146
//   struct DefaultMapSelector {
147 147
//     typedef DebugMap<_Graph, _Item, _Value> Map;
148 148
//   };
149 149

	
150 150
// #endif  
151 151

	
152 152
  /// \e
153 153
  template <typename _Graph, typename _Item, typename _Value>
154 154
  class DefaultMap 
155 155
    : public DefaultMapSelector<_Graph, _Item, _Value>::Map {
156 156
  public:
157 157
    typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent;
158 158
    typedef DefaultMap<_Graph, _Item, _Value> Map;
159 159
    
160 160
    typedef typename Parent::Graph Graph;
161 161
    typedef typename Parent::Value Value;
162 162

	
163 163
    explicit DefaultMap(const Graph& graph) : Parent(graph) {}
164 164
    DefaultMap(const Graph& graph, const Value& value) 
165 165
      : Parent(graph, value) {}
166 166

	
167 167
    DefaultMap& operator=(const DefaultMap& cmap) {
168 168
      return operator=<DefaultMap>(cmap);
169 169
    }
170 170

	
171 171
    template <typename CMap>
172 172
    DefaultMap& operator=(const CMap& cmap) {
173 173
      Parent::operator=(cmap);
174 174
      return *this;
175 175
    }
176 176

	
177 177
  };
178 178

	
179 179
}
180 180

	
181 181
#endif
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_BITS_GRAPH_EXTENDER_H
20 20
#define LEMON_BITS_GRAPH_EXTENDER_H
21 21

	
22 22
#include <lemon/bits/invalid.h>
23 23
#include <lemon/bits/utility.h>
24 24

	
25 25
#include <lemon/bits/map_extender.h>
26 26
#include <lemon/bits/default_map.h>
27 27

	
28 28
#include <lemon/concept_check.h>
29 29
#include <lemon/concepts/maps.h>
30 30

	
31 31
///\ingroup graphbits
32 32
///\file
33 33
///\brief Extenders for the digraph types
34 34
namespace lemon {
35 35

	
36 36
  /// \ingroup graphbits
37 37
  ///
38 38
  /// \brief Extender for the Digraphs
39 39
  template <typename Base>
40 40
  class DigraphExtender : public Base {
41 41
  public:
42 42

	
43 43
    typedef Base Parent;
44 44
    typedef DigraphExtender Digraph;
45 45

	
46 46
    // Base extensions
47 47

	
48 48
    typedef typename Parent::Node Node;
49 49
    typedef typename Parent::Arc Arc;
50 50

	
51 51
    int maxId(Node) const {
52 52
      return Parent::maxNodeId();
53 53
    }
54 54

	
55 55
    int maxId(Arc) const {
56 56
      return Parent::maxArcId();
57 57
    }
58 58

	
59 59
    Node fromId(int id, Node) const {
60 60
      return Parent::nodeFromId(id);
61 61
    }
62 62

	
63 63
    Arc fromId(int id, Arc) const {
64 64
      return Parent::arcFromId(id);
65 65
    }
66 66

	
67 67
    Node oppositeNode(const Node &node, const Arc &arc) const {
68 68
      if (node == Parent::source(arc))
69 69
	return Parent::target(arc);
70 70
      else if(node == Parent::target(arc))
71 71
	return Parent::source(arc);
72 72
      else
73 73
	return INVALID;
74 74
    }
75 75

	
76 76
    // Alterable extension
77 77

	
78 78
    typedef AlterationNotifier<DigraphExtender, Node> NodeNotifier;
79 79
    typedef AlterationNotifier<DigraphExtender, Arc> ArcNotifier;
80 80

	
81 81

	
82 82
  protected:
83 83

	
84 84
    mutable NodeNotifier node_notifier;
85 85
    mutable ArcNotifier arc_notifier;
86 86

	
87 87
  public:
88 88

	
89 89
    NodeNotifier& notifier(Node) const {
90 90
      return node_notifier;
91 91
    }
92 92
    
93 93
    ArcNotifier& notifier(Arc) const {
94 94
      return arc_notifier;
95 95
    }
96 96

	
97 97
    class NodeIt : public Node { 
98 98
      const Digraph* _digraph;
99 99
    public:
100 100

	
101 101
      NodeIt() {}
102 102

	
103 103
      NodeIt(Invalid i) : Node(i) { }
104 104

	
105 105
      explicit NodeIt(const Digraph& digraph) : _digraph(&digraph) {
106 106
	_digraph->first(static_cast<Node&>(*this));
107 107
      }
108 108

	
109 109
      NodeIt(const Digraph& digraph, const Node& node) 
110 110
	: Node(node), _digraph(&digraph) {}
111 111

	
112 112
      NodeIt& operator++() { 
113 113
	_digraph->next(*this);
114 114
	return *this; 
115 115
      }
116 116

	
117 117
    };
118 118

	
119 119

	
120 120
    class ArcIt : public Arc { 
121 121
      const Digraph* _digraph;
122 122
    public:
123 123

	
124 124
      ArcIt() { }
125 125

	
126 126
      ArcIt(Invalid i) : Arc(i) { }
127 127

	
128 128
      explicit ArcIt(const Digraph& digraph) : _digraph(&digraph) {
129 129
	_digraph->first(static_cast<Arc&>(*this));
130 130
      }
131 131

	
132 132
      ArcIt(const Digraph& digraph, const Arc& arc) : 
133 133
	Arc(arc), _digraph(&digraph) { }
134 134

	
135 135
      ArcIt& operator++() { 
136 136
	_digraph->next(*this);
137 137
	return *this; 
138 138
      }
139 139

	
140 140
    };
141 141

	
142 142

	
143 143
    class OutArcIt : public Arc { 
144 144
      const Digraph* _digraph;
145 145
    public:
146 146

	
147 147
      OutArcIt() { }
148 148

	
149 149
      OutArcIt(Invalid i) : Arc(i) { }
150 150

	
151 151
      OutArcIt(const Digraph& digraph, const Node& node) 
152 152
	: _digraph(&digraph) {
153 153
	_digraph->firstOut(*this, node);
154 154
      }
155 155

	
156 156
      OutArcIt(const Digraph& digraph, const Arc& arc) 
157 157
	: Arc(arc), _digraph(&digraph) {}
158 158

	
159 159
      OutArcIt& operator++() { 
160 160
	_digraph->nextOut(*this);
161 161
	return *this; 
162 162
      }
163 163

	
164 164
    };
165 165

	
166 166

	
167 167
    class InArcIt : public Arc { 
168 168
      const Digraph* _digraph;
169 169
    public:
170 170

	
171 171
      InArcIt() { }
172 172

	
173 173
      InArcIt(Invalid i) : Arc(i) { }
174 174

	
175 175
      InArcIt(const Digraph& digraph, const Node& node) 
176 176
	: _digraph(&digraph) {
177 177
	_digraph->firstIn(*this, node);
178 178
      }
179 179

	
180 180
      InArcIt(const Digraph& digraph, const Arc& arc) : 
181 181
	Arc(arc), _digraph(&digraph) {}
182 182

	
183 183
      InArcIt& operator++() { 
184 184
	_digraph->nextIn(*this);
185 185
	return *this; 
186 186
      }
187 187

	
188 188
    };
189 189

	
190 190
    /// \brief Base node of the iterator
191 191
    ///
192 192
    /// Returns the base node (i.e. the source in this case) of the iterator
193 193
    Node baseNode(const OutArcIt &arc) const {
194 194
      return Parent::source(arc);
195 195
    }
196 196
    /// \brief Running node of the iterator
197 197
    ///
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_BITS_MAP_EXTENDER_H
20 20
#define LEMON_BITS_MAP_EXTENDER_H
21 21

	
22 22
#include <iterator>
23 23

	
24 24
#include <lemon/bits/traits.h>
25 25

	
26 26
#include <lemon/concept_check.h>
27 27
#include <lemon/concepts/maps.h>
28 28

	
29 29
///\file
30 30
///\brief Extenders for iterable maps.
31 31

	
32 32
namespace lemon {
33 33

	
34 34
  /// \ingroup graphbits
35 35
  /// 
36 36
  /// \brief Extender for maps
37 37
  template <typename _Map>
38 38
  class MapExtender : public _Map {
39 39
  public:
40 40

	
41 41
    typedef _Map Parent;
42 42
    typedef MapExtender Map;
43 43

	
44 44

	
45 45
    typedef typename Parent::Graph Graph;
46 46
    typedef typename Parent::Key Item;
47 47

	
48 48
    typedef typename Parent::Key Key;
49 49
    typedef typename Parent::Value Value;
50 50

	
51 51
    class MapIt;
52 52
    class ConstMapIt;
53 53

	
54 54
    friend class MapIt;
55 55
    friend class ConstMapIt;
56 56

	
57 57
  public:
58 58

	
59 59
    MapExtender(const Graph& graph) 
60 60
      : Parent(graph) {}
61 61

	
62 62
    MapExtender(const Graph& graph, const Value& value) 
63 63
      : Parent(graph, value) {}
64 64

	
65 65
    MapExtender& operator=(const MapExtender& cmap) {
66 66
      return operator=<MapExtender>(cmap);
67 67
    }
68 68

	
69 69
    template <typename CMap>
70 70
    MapExtender& operator=(const CMap& cmap) {
71 71
      Parent::operator=(cmap);
72 72
      return *this;
73 73
    } 
74 74

	
75 75
    class MapIt : public Item {
76 76
    public:
77 77
      
78 78
      typedef Item Parent;
79 79
      typedef typename Map::Value Value;
80 80
      
81 81
      MapIt() {}
82 82

	
83 83
      MapIt(Invalid i) : Parent(i) { }
84 84

	
85 85
      explicit MapIt(Map& _map) : map(_map) {
86 86
        map.notifier()->first(*this);
87 87
      }
88 88

	
89 89
      MapIt(const Map& _map, const Item& item) 
90 90
	: Parent(item), map(_map) {}
91 91

	
92 92
      MapIt& operator++() { 
93 93
	map.notifier()->next(*this);
94 94
	return *this; 
95 95
      }
96 96
      
97 97
      typename MapTraits<Map>::ConstReturnValue operator*() const {
98 98
	return map[*this];
99 99
      }
100 100

	
101 101
      typename MapTraits<Map>::ReturnValue operator*() {
102 102
	return map[*this];
103 103
      }
104 104
      
105 105
      void set(const Value& value) {
106 106
	map.set(*this, value);
107 107
      }
108 108
      
109 109
    protected:
110 110
      Map& map;
111 111
      
112 112
    };
113 113

	
114 114
    class ConstMapIt : public Item {
115 115
    public:
116 116

	
117 117
      typedef Item Parent;
118 118

	
119 119
      typedef typename Map::Value Value;
120 120
      
121 121
      ConstMapIt() {}
122 122

	
123 123
      ConstMapIt(Invalid i) : Parent(i) { }
124 124

	
125 125
      explicit ConstMapIt(Map& _map) : map(_map) {
126 126
        map.notifier()->first(*this);
127 127
      }
128 128

	
129 129
      ConstMapIt(const Map& _map, const Item& item) 
130 130
	: Parent(item), map(_map) {}
131 131

	
132 132
      ConstMapIt& operator++() { 
133 133
	map.notifier()->next(*this);
134 134
	return *this; 
135 135
      }
136 136

	
137 137
      typename MapTraits<Map>::ConstReturnValue operator*() const {
138 138
	return map[*this];
139 139
      }
140 140

	
141 141
    protected:
142 142
      const Map& map;
143 143
    };
144 144

	
145 145
    class ItemIt : public Item {
146 146
    public:
147 147
      
148 148
      typedef Item Parent;
149 149
      
150 150
      ItemIt() {}
151 151

	
152 152
      ItemIt(Invalid i) : Parent(i) { }
153 153

	
154 154
      explicit ItemIt(Map& _map) : map(_map) {
155 155
        map.notifier()->first(*this);
156 156
      }
157 157

	
158 158
      ItemIt(const Map& _map, const Item& item) 
159 159
	: Parent(item), map(_map) {}
160 160

	
161 161
      ItemIt& operator++() { 
162 162
	map.notifier()->next(*this);
163 163
	return *this; 
164 164
      }
165 165

	
166 166
    protected:
167 167
      const Map& map;
168 168
      
169 169
    };
170 170
  };
171 171

	
172 172
  /// \ingroup graphbits
173 173
  /// 
174 174
  /// \brief Extender for maps which use a subset of the items.
175 175
  template <typename _Graph, typename _Map>
176 176
  class SubMapExtender : public _Map {
177 177
  public:
178 178

	
179 179
    typedef _Map Parent;
180 180
    typedef SubMapExtender Map;
181 181

	
182 182
    typedef _Graph Graph;
183 183

	
184 184
    typedef typename Parent::Key Item;
185 185

	
186 186
    typedef typename Parent::Key Key;
187 187
    typedef typename Parent::Value Value;
188 188

	
189 189
    class MapIt;
190 190
    class ConstMapIt;
191 191

	
192 192
    friend class MapIt;
193 193
    friend class ConstMapIt;
194 194

	
195 195
  public:
196 196

	
197 197
    SubMapExtender(const Graph& _graph) 
Ignore white space 6 line context
1 1

	
2 2
/* -*- C++ -*-
3 3
 *
4 4
 * This file is a part of LEMON, a generic C++ optimization library
5 5
 *
6
 * Copyright (C) 2003-2007
6
 * Copyright (C) 2003-2008
7 7
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
8 8
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
9 9
 *
10 10
 * Permission to use, modify and distribute this software is granted
11 11
 * provided that this copyright notice appears in all copies. For
12 12
 * precise terms see the accompanying LICENSE file.
13 13
 *
14 14
 * This software is provided "AS IS" with no warranty of any kind,
15 15
 * express or implied, and with no claim as to its suitability for any
16 16
 * purpose.
17 17
 *
18 18
 */
19 19

	
20 20
#ifndef LEMON_BITS_TRAITS_H
21 21
#define LEMON_BITS_TRAITS_H
22 22

	
23 23
#include <lemon/bits/utility.h>
24 24

	
25 25
///\file
26 26
///\brief Traits for graphs and maps
27 27
///
28 28

	
29 29
namespace lemon {
30 30
  template <typename _Graph, typename _Item>
31 31
  class ItemSetTraits {};
32 32
  
33 33

	
34 34
  template <typename Graph, typename Enable = void>
35 35
  struct NodeNotifierIndicator {
36 36
    typedef InvalidType Type;
37 37
  };
38 38
  template <typename Graph>
39 39
  struct NodeNotifierIndicator<
40 40
    Graph, 
41 41
    typename enable_if<typename Graph::NodeNotifier::Notifier, void>::type
42 42
  > { 
43 43
    typedef typename Graph::NodeNotifier Type;
44 44
  };
45 45

	
46 46
  template <typename _Graph>
47 47
  class ItemSetTraits<_Graph, typename _Graph::Node> {
48 48
  public:
49 49
    
50 50
    typedef _Graph Graph;
51 51

	
52 52
    typedef typename Graph::Node Item;
53 53
    typedef typename Graph::NodeIt ItemIt;
54 54

	
55 55
    typedef typename NodeNotifierIndicator<Graph>::Type ItemNotifier;
56 56

	
57 57
    template <typename _Value>
58 58
    class Map : public Graph::template NodeMap<_Value> {
59 59
    public:
60 60
      typedef typename Graph::template NodeMap<_Value> Parent; 
61 61
      typedef typename Graph::template NodeMap<_Value> Type; 
62 62
      typedef typename Parent::Value Value;
63 63

	
64 64
      Map(const Graph& _digraph) : Parent(_digraph) {}
65 65
      Map(const Graph& _digraph, const Value& _value) 
66 66
	: Parent(_digraph, _value) {}
67 67

	
68 68
     };
69 69

	
70 70
  };
71 71

	
72 72
  template <typename Graph, typename Enable = void>
73 73
  struct ArcNotifierIndicator {
74 74
    typedef InvalidType Type;
75 75
  };
76 76
  template <typename Graph>
77 77
  struct ArcNotifierIndicator<
78 78
    Graph, 
79 79
    typename enable_if<typename Graph::ArcNotifier::Notifier, void>::type
80 80
  > { 
81 81
    typedef typename Graph::ArcNotifier Type;
82 82
  };
83 83

	
84 84
  template <typename _Graph>
85 85
  class ItemSetTraits<_Graph, typename _Graph::Arc> {
86 86
  public:
87 87
    
88 88
    typedef _Graph Graph;
89 89

	
90 90
    typedef typename Graph::Arc Item;
91 91
    typedef typename Graph::ArcIt ItemIt;
92 92

	
93 93
    typedef typename ArcNotifierIndicator<Graph>::Type ItemNotifier;
94 94

	
95 95
    template <typename _Value>
96 96
    class Map : public Graph::template ArcMap<_Value> {
97 97
    public:
98 98
      typedef typename Graph::template ArcMap<_Value> Parent; 
99 99
      typedef typename Graph::template ArcMap<_Value> Type; 
100 100
      typedef typename Parent::Value Value;
101 101

	
102 102
      Map(const Graph& _digraph) : Parent(_digraph) {}
103 103
      Map(const Graph& _digraph, const Value& _value) 
104 104
	: Parent(_digraph, _value) {}
105 105
    };
106 106

	
107 107
  };
108 108

	
109 109
  template <typename Graph, typename Enable = void>
110 110
  struct EdgeNotifierIndicator {
111 111
    typedef InvalidType Type;
112 112
  };
113 113
  template <typename Graph>
114 114
  struct EdgeNotifierIndicator<
115 115
    Graph, 
116 116
    typename enable_if<typename Graph::EdgeNotifier::Notifier, void>::type
117 117
  > { 
118 118
    typedef typename Graph::EdgeNotifier Type;
119 119
  };
120 120

	
121 121
  template <typename _Graph>
122 122
  class ItemSetTraits<_Graph, typename _Graph::Edge> {
123 123
  public:
124 124
    
125 125
    typedef _Graph Graph;
126 126

	
127 127
    typedef typename Graph::Edge Item;
128 128
    typedef typename Graph::EdgeIt ItemIt;
129 129

	
130 130
    typedef typename EdgeNotifierIndicator<Graph>::Type ItemNotifier;
131 131

	
132 132
    template <typename _Value>
133 133
    class Map : public Graph::template EdgeMap<_Value> {
134 134
    public:
135 135
      typedef typename Graph::template EdgeMap<_Value> Parent; 
136 136
      typedef typename Graph::template EdgeMap<_Value> Type; 
137 137
      typedef typename Parent::Value Value;
138 138

	
139 139
      Map(const Graph& _digraph) : Parent(_digraph) {}
140 140
      Map(const Graph& _digraph, const Value& _value) 
141 141
	: Parent(_digraph, _value) {}
142 142
    };
143 143

	
144 144
  };
145 145

	
146 146
  template <typename Map, typename Enable = void>
147 147
  struct MapTraits {
148 148
    typedef False ReferenceMapTag;
149 149

	
150 150
    typedef typename Map::Key Key;
151 151
    typedef typename Map::Value Value;
152 152

	
153 153
    typedef const Value ConstReturnValue;
154 154
    typedef const Value ReturnValue;
155 155
  };
156 156

	
157 157
  template <typename Map>
158 158
  struct MapTraits<
159 159
    Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > 
160 160
  {
161 161
    typedef True ReferenceMapTag;
162 162
    
163 163
    typedef typename Map::Key Key;
164 164
    typedef typename Map::Value Value;
165 165

	
166 166
    typedef typename Map::ConstReference ConstReturnValue;
167 167
    typedef typename Map::Reference ReturnValue;
168 168

	
169 169
    typedef typename Map::ConstReference ConstReference; 
170 170
    typedef typename Map::Reference Reference;
171 171
 };
172 172

	
173 173
  template <typename MatrixMap, typename Enable = void>
174 174
  struct MatrixMapTraits {
175 175
    typedef False ReferenceMapTag;
176 176

	
177 177
    typedef typename MatrixMap::FirstKey FirstKey;
178 178
    typedef typename MatrixMap::SecondKey SecondKey;
179 179
    typedef typename MatrixMap::Value Value;
180 180

	
181 181
    typedef const Value ConstReturnValue;
182 182
    typedef const Value ReturnValue;
183 183
  };
184 184

	
185 185
  template <typename MatrixMap>
186 186
  struct MatrixMapTraits<
187 187
    MatrixMap, typename enable_if<typename MatrixMap::ReferenceMapTag, 
188 188
                                  void>::type > 
189 189
  {
190 190
    typedef True ReferenceMapTag;
191 191
    
192 192
    typedef typename MatrixMap::FirstKey FirstKey;
193 193
    typedef typename MatrixMap::SecondKey SecondKey;
194 194
    typedef typename MatrixMap::Value Value;
195 195

	
196 196
    typedef typename MatrixMap::ConstReference ConstReturnValue;
197 197
    typedef typename MatrixMap::Reference ReturnValue;
198 198

	
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_BITS_VECTOR_MAP_H
20 20
#define LEMON_BITS_VECTOR_MAP_H
21 21

	
22 22
#include <vector>
23 23
#include <algorithm>
24 24

	
25 25
#include <lemon/bits/traits.h>
26 26
#include <lemon/bits/utility.h>
27 27

	
28 28
#include <lemon/bits/alteration_notifier.h>
29 29

	
30 30
#include <lemon/concept_check.h>
31 31
#include <lemon/concepts/maps.h>
32 32

	
33 33
///\ingroup graphbits
34 34
///
35 35
///\file
36 36
///\brief Vector based graph maps.
37 37
namespace lemon {
38 38

	
39 39
  /// \ingroup graphbits
40 40
  ///
41 41
  /// \brief Graph map based on the std::vector storage.
42 42
  ///
43 43
  /// The VectorMap template class is graph map structure what
44 44
  /// automatically updates the map when a key is added to or erased from
45 45
  /// the map. This map type uses the std::vector to store the values.
46 46
  ///
47 47
  /// \param Notifier The AlterationNotifier that will notify this map.
48 48
  /// \param Item The item type of the graph items.
49 49
  /// \param Value The value type of the map.
50 50
  /// 
51 51
  /// \author Balazs Dezso  	
52 52
  template <typename _Graph, typename _Item, typename _Value>
53 53
  class VectorMap 
54 54
    : public ItemSetTraits<_Graph, _Item>::ItemNotifier::ObserverBase {
55 55
  private:
56 56
		
57 57
    /// The container type of the map.
58 58
    typedef std::vector<_Value> Container;	
59 59

	
60 60
  public:
61 61

	
62 62
    /// The graph type of the map. 
63 63
    typedef _Graph Graph;
64 64
    /// The item type of the map.
65 65
    typedef _Item Item;
66 66
    /// The reference map tag.
67 67
    typedef True ReferenceMapTag;
68 68

	
69 69
    /// The key type of the map.
70 70
    typedef _Item Key;
71 71
    /// The value type of the map.
72 72
    typedef _Value Value;
73 73

	
74 74
    /// The notifier type.
75 75
    typedef typename ItemSetTraits<_Graph, _Item>::ItemNotifier Notifier;
76 76

	
77 77
    /// The map type.
78 78
    typedef VectorMap Map;
79 79
    /// The base class of the map.
80 80
    typedef typename Notifier::ObserverBase Parent;
81 81

	
82 82
    /// The reference type of the map;
83 83
    typedef typename Container::reference Reference;
84 84
    /// The const reference type of the map;
85 85
    typedef typename Container::const_reference ConstReference;
86 86

	
87 87

	
88 88
    /// \brief Constructor to attach the new map into the notifier.
89 89
    ///
90 90
    /// It constructs a map and attachs it into the notifier.
91 91
    /// It adds all the items of the graph to the map.
92 92
    VectorMap(const Graph& graph) {
93 93
      Parent::attach(graph.notifier(Item()));
94 94
      container.resize(Parent::notifier()->maxId() + 1);
95 95
    }
96 96

	
97 97
    /// \brief Constructor uses given value to initialize the map. 
98 98
    ///
99 99
    /// It constructs a map uses a given value to initialize the map. 
100 100
    /// It adds all the items of the graph to the map.
101 101
    VectorMap(const Graph& graph, const Value& value) {
102 102
      Parent::attach(graph.notifier(Item()));
103 103
      container.resize(Parent::notifier()->maxId() + 1, value);
104 104
    }
105 105

	
106 106
    /// \brief Copy constructor
107 107
    ///
108 108
    /// Copy constructor.
109 109
    VectorMap(const VectorMap& _copy) : Parent() {
110 110
      if (_copy.attached()) {
111 111
	Parent::attach(*_copy.notifier());
112 112
	container = _copy.container;
113 113
      }
114 114
    }
115 115

	
116 116
    /// \brief Assign operator.
117 117
    ///
118 118
    /// This operator assigns for each item in the map the
119 119
    /// value mapped to the same item in the copied map.  
120 120
    /// The parameter map should be indiced with the same
121 121
    /// itemset because this assign operator does not change
122 122
    /// the container of the map. 
123 123
    VectorMap& operator=(const VectorMap& cmap) {
124 124
      return operator=<VectorMap>(cmap);
125 125
    }
126 126

	
127 127

	
128 128
    /// \brief Template assign operator.
129 129
    ///
130 130
    /// The given parameter should be conform to the ReadMap
131 131
    /// concecpt and could be indiced by the current item set of
132 132
    /// the NodeMap. In this case the value for each item
133 133
    /// is assigned by the value of the given ReadMap. 
134 134
    template <typename CMap>
135 135
    VectorMap& operator=(const CMap& cmap) {
136 136
      checkConcept<concepts::ReadMap<Key, _Value>, CMap>();
137 137
      const typename Parent::Notifier* nf = Parent::notifier();
138 138
      Item it;
139 139
      for (nf->first(it); it != INVALID; nf->next(it)) {
140 140
        set(it, cmap[it]);
141 141
      }
142 142
      return *this;
143 143
    }
144 144
    
145 145
  public:
146 146

	
147 147
    /// \brief The subcript operator.
148 148
    ///
149 149
    /// The subscript operator. The map can be subscripted by the
150 150
    /// actual items of the graph.      
151 151
    Reference operator[](const Key& key) {
152 152
      return container[Parent::notifier()->id(key)];
153 153
    } 
154 154
		
155 155
    /// \brief The const subcript operator.
156 156
    ///
157 157
    /// The const subscript operator. The map can be subscripted by the
158 158
    /// actual items of the graph. 
159 159
    ConstReference operator[](const Key& key) const {
160 160
      return container[Parent::notifier()->id(key)];
161 161
    }
162 162

	
163 163

	
164 164
    /// \brief The setter function of the map.
165 165
    ///
166 166
    /// It the same as operator[](key) = value expression.
167 167
    void set(const Key& key, const Value& value) {
168 168
      (*this)[key] = value;
169 169
    }
170 170

	
171 171
  protected:
172 172

	
173 173
    /// \brief Adds a new key to the map.
174 174
    ///		
175 175
    /// It adds a new key to the map. It called by the observer notifier
176 176
    /// and it overrides the add() member function of the observer base.     
177 177
    virtual void add(const Key& key) {
178 178
      int id = Parent::notifier()->id(key);
179 179
      if (id >= int(container.size())) {
180 180
	container.resize(id + 1);
181 181
      }
182 182
    }
183 183

	
184 184
    /// \brief Adds more new keys to the map.
185 185
    ///		
186 186
    /// It adds more new keys to the map. It called by the observer notifier
187 187
    /// and it overrides the add() member function of the observer base.     
188 188
    virtual void add(const std::vector<Key>& keys) {
189 189
      int max = container.size() - 1;
190 190
      for (int i = 0; i < int(keys.size()); ++i) {
191 191
        int id = Parent::notifier()->id(keys[i]);
192 192
        if (id >= max) {
193 193
          max = id;
194 194
        }
195 195
      }
196 196
      container.resize(max + 1);
197 197
    }
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_CONCEPT_DIGRAPH_H
20 20
#define LEMON_CONCEPT_DIGRAPH_H
21 21

	
22 22
///\ingroup graph_concepts
23 23
///\file
24 24
///\brief The concept of directed graphs.
25 25

	
26 26
#include <lemon/bits/invalid.h>
27 27
#include <lemon/bits/utility.h>
28 28
#include <lemon/concepts/maps.h>
29 29
#include <lemon/concept_check.h>
30 30
#include <lemon/concepts/graph_components.h>
31 31

	
32 32
namespace lemon {
33 33
  namespace concepts {
34 34

	
35 35
    /// \ingroup graph_concepts
36 36
    ///
37 37
    /// \brief Class describing the concept of directed graphs.
38 38
    ///
39 39
    /// This class describes the \ref concept "concept" of the
40 40
    /// immutable directed digraphs.
41 41
    ///
42 42
    /// Note that actual digraph implementation like @ref ListDigraph or
43 43
    /// @ref SmartDigraph may have several additional functionality.
44 44
    ///
45 45
    /// \sa concept
46 46
    class Digraph {
47 47
    private:
48 48
      ///Digraphs are \e not copy constructible. Use DigraphCopy() instead.
49 49
      
50 50
      ///Digraphs are \e not copy constructible. Use DigraphCopy() instead.
51 51
      ///
52 52
      Digraph(const Digraph &) {};
53 53
      ///\brief Assignment of \ref Digraph "Digraph"s to another ones are
54 54
      ///\e not allowed. Use DigraphCopy() instead.
55 55
      
56 56
      ///Assignment of \ref Digraph "Digraph"s to another ones are
57 57
      ///\e not allowed.  Use DigraphCopy() instead.
58 58

	
59 59
      void operator=(const Digraph &) {}
60 60
    public:
61 61
      ///\e
62 62

	
63 63
      /// Defalult constructor.
64 64

	
65 65
      /// Defalult constructor.
66 66
      ///
67 67
      Digraph() { }
68 68
      /// Class for identifying a node of the digraph
69 69

	
70 70
      /// This class identifies a node of the digraph. It also serves
71 71
      /// as a base class of the node iterators,
72 72
      /// thus they will convert to this type.
73 73
      class Node {
74 74
      public:
75 75
        /// Default constructor
76 76

	
77 77
        /// @warning The default constructor sets the iterator
78 78
        /// to an undefined value.
79 79
        Node() { }
80 80
        /// Copy constructor.
81 81

	
82 82
        /// Copy constructor.
83 83
        ///
84 84
        Node(const Node&) { }
85 85

	
86 86
        /// Invalid constructor \& conversion.
87 87

	
88 88
        /// This constructor initializes the iterator to be invalid.
89 89
        /// \sa Invalid for more details.
90 90
        Node(Invalid) { }
91 91
        /// Equality operator
92 92

	
93 93
        /// Two iterators are equal if and only if they point to the
94 94
        /// same object or both are invalid.
95 95
        bool operator==(Node) const { return true; }
96 96

	
97 97
        /// Inequality operator
98 98
        
99 99
        /// \sa operator==(Node n)
100 100
        ///
101 101
        bool operator!=(Node) const { return true; }
102 102

	
103 103
	/// Artificial ordering operator.
104 104
	
105 105
	/// To allow the use of digraph descriptors as key type in std::map or
106 106
	/// similar associative container we require this.
107 107
	///
108 108
	/// \note This operator only have to define some strict ordering of
109 109
	/// the items; this order has nothing to do with the iteration
110 110
	/// ordering of the items.
111 111
	bool operator<(Node) const { return false; }
112 112

	
113 113
      };
114 114
    
115 115
      /// This iterator goes through each node.
116 116

	
117 117
      /// This iterator goes through each node.
118 118
      /// Its usage is quite simple, for example you can count the number
119 119
      /// of nodes in digraph \c g of type \c Digraph like this:
120 120
      ///\code
121 121
      /// int count=0;
122 122
      /// for (Digraph::NodeIt n(g); n!=INVALID; ++n) ++count;
123 123
      ///\endcode
124 124
      class NodeIt : public Node {
125 125
      public:
126 126
        /// Default constructor
127 127

	
128 128
        /// @warning The default constructor sets the iterator
129 129
        /// to an undefined value.
130 130
        NodeIt() { }
131 131
        /// Copy constructor.
132 132
        
133 133
        /// Copy constructor.
134 134
        ///
135 135
        NodeIt(const NodeIt& n) : Node(n) { }
136 136
        /// Invalid constructor \& conversion.
137 137

	
138 138
        /// Initialize the iterator to be invalid.
139 139
        /// \sa Invalid for more details.
140 140
        NodeIt(Invalid) { }
141 141
        /// Sets the iterator to the first node.
142 142

	
143 143
        /// Sets the iterator to the first node of \c g.
144 144
        ///
145 145
        NodeIt(const Digraph&) { }
146 146
        /// Node -> NodeIt conversion.
147 147

	
148 148
        /// Sets the iterator to the node of \c the digraph pointed by 
149 149
	/// the trivial iterator.
150 150
        /// This feature necessitates that each time we 
151 151
        /// iterate the arc-set, the iteration order is the same.
152 152
        NodeIt(const Digraph&, const Node&) { }
153 153
        /// Next node.
154 154

	
155 155
        /// Assign the iterator to the next node.
156 156
        ///
157 157
        NodeIt& operator++() { return *this; }
158 158
      };
159 159
    
160 160
    
161 161
      /// Class for identifying an arc of the digraph
162 162

	
163 163
      /// This class identifies an arc of the digraph. It also serves
164 164
      /// as a base class of the arc iterators,
165 165
      /// thus they will convert to this type.
166 166
      class Arc {
167 167
      public:
168 168
        /// Default constructor
169 169

	
170 170
        /// @warning The default constructor sets the iterator
171 171
        /// to an undefined value.
172 172
        Arc() { }
173 173
        /// Copy constructor.
174 174

	
175 175
        /// Copy constructor.
176 176
        ///
177 177
        Arc(const Arc&) { }
178 178
        /// Initialize the iterator to be invalid.
179 179

	
180 180
        /// Initialize the iterator to be invalid.
181 181
        ///
182 182
        Arc(Invalid) { }
183 183
        /// Equality operator
184 184

	
185 185
        /// Two iterators are equal if and only if they point to the
186 186
        /// same object or both are invalid.
187 187
        bool operator==(Arc) const { return true; }
188 188
        /// Inequality operator
189 189

	
190 190
        /// \sa operator==(Arc n)
191 191
        ///
192 192
        bool operator!=(Arc) const { return true; }
193 193

	
194 194
	/// Artificial ordering operator.
195 195
	
196 196
	/// To allow the use of digraph descriptors as key type in std::map or
197 197
	/// similar associative container we require this.
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
///\ingroup graph_concepts
20 20
///\file
21 21
///\brief The concept of Undirected Graphs.
22 22

	
23 23
#ifndef LEMON_CONCEPT_GRAPH_H
24 24
#define LEMON_CONCEPT_GRAPH_H
25 25

	
26 26
#include <lemon/concepts/graph_components.h>
27 27
#include <lemon/concepts/graph.h>
28 28
#include <lemon/bits/utility.h>
29 29

	
30 30
namespace lemon {
31 31
  namespace concepts {
32 32

	
33 33
    /// \ingroup graph_concepts
34 34
    ///
35 35
    /// \brief Class describing the concept of Undirected Graphs.
36 36
    ///
37 37
    /// This class describes the common interface of all Undirected
38 38
    /// Graphs.
39 39
    ///
40 40
    /// As all concept describing classes it provides only interface
41 41
    /// without any sensible implementation. So any algorithm for
42 42
    /// undirected graph should compile with this class, but it will not
43 43
    /// run properly, of course.
44 44
    ///
45 45
    /// The LEMON undirected graphs also fulfill the concept of
46 46
    /// directed graphs (\ref lemon::concepts::Digraph "Digraph
47 47
    /// Concept"). Each edges can be seen as two opposite
48 48
    /// directed arc and consequently the undirected graph can be
49 49
    /// seen as the direceted graph of these directed arcs. The
50 50
    /// Graph has the Edge inner class for the edges and
51 51
    /// the Arc type for the directed arcs. The Arc type is
52 52
    /// convertible to Edge or inherited from it so from a directed
53 53
    /// arc we can get the represented edge.
54 54
    ///
55 55
    /// In the sense of the LEMON each edge has a default
56 56
    /// direction (it should be in every computer implementation,
57 57
    /// because the order of edge's nodes defines an
58 58
    /// orientation). With the default orientation we can define that
59 59
    /// the directed arc is forward or backward directed. With the \c
60 60
    /// direction() and \c direct() function we can get the direction
61 61
    /// of the directed arc and we can direct an edge.
62 62
    ///
63 63
    /// The EdgeIt is an iterator for the edges. We can use
64 64
    /// the EdgeMap to map values for the edges. The InArcIt and
65 65
    /// OutArcIt iterates on the same edges but with opposite
66 66
    /// direction. The IncEdgeIt iterates also on the same edges
67 67
    /// as the OutArcIt and InArcIt but it is not convertible to Arc just
68 68
    /// to Edge.  
69 69
    class Graph {
70 70
    public:
71 71
      /// \brief The undirected graph should be tagged by the
72 72
      /// UndirectedTag.
73 73
      ///
74 74
      /// The undirected graph should be tagged by the UndirectedTag. This
75 75
      /// tag helps the enable_if technics to make compile time 
76 76
      /// specializations for undirected graphs.  
77 77
      typedef True UndirectedTag;
78 78

	
79 79
      /// \brief The base type of node iterators, 
80 80
      /// or in other words, the trivial node iterator.
81 81
      ///
82 82
      /// This is the base type of each node iterator,
83 83
      /// thus each kind of node iterator converts to this.
84 84
      /// More precisely each kind of node iterator should be inherited 
85 85
      /// from the trivial node iterator.
86 86
      class Node {
87 87
      public:
88 88
        /// Default constructor
89 89

	
90 90
        /// @warning The default constructor sets the iterator
91 91
        /// to an undefined value.
92 92
        Node() { }
93 93
        /// Copy constructor.
94 94

	
95 95
        /// Copy constructor.
96 96
        ///
97 97
        Node(const Node&) { }
98 98

	
99 99
        /// Invalid constructor \& conversion.
100 100

	
101 101
        /// This constructor initializes the iterator to be invalid.
102 102
        /// \sa Invalid for more details.
103 103
        Node(Invalid) { }
104 104
        /// Equality operator
105 105

	
106 106
        /// Two iterators are equal if and only if they point to the
107 107
        /// same object or both are invalid.
108 108
        bool operator==(Node) const { return true; }
109 109

	
110 110
        /// Inequality operator
111 111
        
112 112
        /// \sa operator==(Node n)
113 113
        ///
114 114
        bool operator!=(Node) const { return true; }
115 115

	
116 116
	/// Artificial ordering operator.
117 117
	
118 118
	/// To allow the use of graph descriptors as key type in std::map or
119 119
	/// similar associative container we require this.
120 120
	///
121 121
	/// \note This operator only have to define some strict ordering of
122 122
	/// the items; this order has nothing to do with the iteration
123 123
	/// ordering of the items.
124 124
	bool operator<(Node) const { return false; }
125 125

	
126 126
      };
127 127
    
128 128
      /// This iterator goes through each node.
129 129

	
130 130
      /// This iterator goes through each node.
131 131
      /// Its usage is quite simple, for example you can count the number
132 132
      /// of nodes in graph \c g of type \c Graph like this:
133 133
      ///\code
134 134
      /// int count=0;
135 135
      /// for (Graph::NodeIt n(g); n!=INVALID; ++n) ++count;
136 136
      ///\endcode
137 137
      class NodeIt : public Node {
138 138
      public:
139 139
        /// Default constructor
140 140

	
141 141
        /// @warning The default constructor sets the iterator
142 142
        /// to an undefined value.
143 143
        NodeIt() { }
144 144
        /// Copy constructor.
145 145
        
146 146
        /// Copy constructor.
147 147
        ///
148 148
        NodeIt(const NodeIt& n) : Node(n) { }
149 149
        /// Invalid constructor \& conversion.
150 150

	
151 151
        /// Initialize the iterator to be invalid.
152 152
        /// \sa Invalid for more details.
153 153
        NodeIt(Invalid) { }
154 154
        /// Sets the iterator to the first node.
155 155

	
156 156
        /// Sets the iterator to the first node of \c g.
157 157
        ///
158 158
        NodeIt(const Graph&) { }
159 159
        /// Node -> NodeIt conversion.
160 160

	
161 161
        /// Sets the iterator to the node of \c the graph pointed by 
162 162
	/// the trivial iterator.
163 163
        /// This feature necessitates that each time we 
164 164
        /// iterate the arc-set, the iteration order is the same.
165 165
        NodeIt(const Graph&, const Node&) { }
166 166
        /// Next node.
167 167

	
168 168
        /// Assign the iterator to the next node.
169 169
        ///
170 170
        NodeIt& operator++() { return *this; }
171 171
      };
172 172
    
173 173
    
174 174
      /// The base type of the edge iterators.
175 175

	
176 176
      /// The base type of the edge iterators.
177 177
      ///
178 178
      class Edge {
179 179
      public:
180 180
        /// Default constructor
181 181

	
182 182
        /// @warning The default constructor sets the iterator
183 183
        /// to an undefined value.
184 184
        Edge() { }
185 185
        /// Copy constructor.
186 186

	
187 187
        /// Copy constructor.
188 188
        ///
189 189
        Edge(const Edge&) { }
190 190
        /// Initialize the iterator to be invalid.
191 191

	
192 192
        /// Initialize the iterator to be invalid.
193 193
        ///
194 194
        Edge(Invalid) { }
195 195
        /// Equality operator
196 196

	
197 197
        /// Two iterators are equal if and only if they point to the
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
///\ingroup graph_concepts
20 20
///\file
21 21
///\brief The concept of graph components.
22 22

	
23 23

	
24 24
#ifndef LEMON_CONCEPT_GRAPH_COMPONENTS_H
25 25
#define LEMON_CONCEPT_GRAPH_COMPONENTS_H
26 26

	
27 27
#include <lemon/bits/invalid.h>
28 28
#include <lemon/concepts/maps.h>
29 29

	
30 30
#include <lemon/bits/alteration_notifier.h>
31 31

	
32 32
namespace lemon {
33 33
  namespace concepts {
34 34

	
35 35
    /// \brief Skeleton class for graph Node and Arc types
36 36
    ///
37 37
    /// This class describes the interface of Node and Arc (and Edge
38 38
    /// in undirected graphs) subtypes of graph types.
39 39
    ///
40 40
    /// \note This class is a template class so that we can use it to
41 41
    /// create graph skeleton classes. The reason for this is than Node
42 42
    /// and Arc types should \em not derive from the same base class.
43 43
    /// For Node you should instantiate it with character 'n' and for Arc
44 44
    /// with 'a'.
45 45

	
46 46
#ifndef DOXYGEN
47 47
    template <char _selector = '0'>
48 48
#endif
49 49
    class GraphItem {
50 50
    public:
51 51
      /// \brief Default constructor.
52 52
      ///      
53 53
      /// \warning The default constructor is not required to set
54 54
      /// the item to some well-defined value. So you should consider it
55 55
      /// as uninitialized.
56 56
      GraphItem() {}
57 57
      /// \brief Copy constructor.
58 58
      ///
59 59
      /// Copy constructor.
60 60
      ///
61 61
      GraphItem(const GraphItem &) {}
62 62
      /// \brief Invalid constructor \& conversion.
63 63
      ///
64 64
      /// This constructor initializes the item to be invalid.
65 65
      /// \sa Invalid for more details.
66 66
      GraphItem(Invalid) {}
67 67
      /// \brief Assign operator for nodes.
68 68
      ///
69 69
      /// The nodes are assignable. 
70 70
      ///
71 71
      GraphItem& operator=(GraphItem const&) { return *this; }
72 72
      /// \brief Equality operator.
73 73
      ///
74 74
      /// Two iterators are equal if and only if they represents the
75 75
      /// same node in the graph or both are invalid.
76 76
      bool operator==(GraphItem) const { return false; }
77 77
      /// \brief Inequality operator.
78 78
      ///
79 79
      /// \sa operator==(const Node& n)
80 80
      ///
81 81
      bool operator!=(GraphItem) const { return false; }
82 82

	
83 83
      /// \brief Artificial ordering operator.
84 84
      ///
85 85
      /// To allow the use of graph descriptors as key type in std::map or
86 86
      /// similar associative container we require this.
87 87
      ///
88 88
      /// \note This operator only have to define some strict ordering of
89 89
      /// the items; this order has nothing to do with the iteration
90 90
      /// ordering of the items.
91 91
      bool operator<(GraphItem) const { return false; }
92 92

	
93 93
      template<typename _GraphItem>
94 94
      struct Constraints {
95 95
	void constraints() {
96 96
	  _GraphItem i1;
97 97
	  _GraphItem i2 = i1;
98 98
	  _GraphItem i3 = INVALID;
99 99
	  
100 100
	  i1 = i2 = i3;
101 101

	
102 102
	  bool b;
103 103
	  //	  b = (ia == ib) && (ia != ib) && (ia < ib);
104 104
	  b = (ia == ib) && (ia != ib);
105 105
	  b = (ia == INVALID) && (ib != INVALID);
106 106
          b = (ia < ib);
107 107
	}
108 108

	
109 109
	const _GraphItem &ia;
110 110
	const _GraphItem &ib;
111 111
      };
112 112
    };
113 113

	
114 114
    /// \brief An empty base directed graph class.
115 115
    ///  
116 116
    /// This class provides the minimal set of features needed for a
117 117
    /// directed graph structure. All digraph concepts have to be
118 118
    /// conform to this base directed graph. It just provides types
119 119
    /// for nodes and arcs and functions to get the source and the
120 120
    /// target of the arcs.
121 121
    class BaseDigraphComponent {
122 122
    public:
123 123

	
124 124
      typedef BaseDigraphComponent Digraph;
125 125
      
126 126
      /// \brief Node class of the digraph.
127 127
      ///
128 128
      /// This class represents the Nodes of the digraph. 
129 129
      ///
130 130
      typedef GraphItem<'n'> Node;
131 131

	
132 132
      /// \brief Arc class of the digraph.
133 133
      ///
134 134
      /// This class represents the Arcs of the digraph. 
135 135
      ///
136 136
      typedef GraphItem<'e'> Arc;
137 137

	
138 138
      /// \brief Gives back the target node of an arc.
139 139
      ///
140 140
      /// Gives back the target node of an arc.
141 141
      ///
142 142
      Node target(const Arc&) const { return INVALID;}
143 143

	
144 144
      /// \brief Gives back the source node of an arc.
145 145
      ///
146 146
      /// Gives back the source node of an arc.
147 147
      ///
148 148
      Node source(const Arc&) const { return INVALID;}
149 149

	
150 150
      /// \brief Gives back the opposite node on the given arc.
151 151
      ///
152 152
      /// Gives back the opposite node on the given arc.
153 153
      Node oppositeNode(const Node&, const Arc&) const {
154 154
        return INVALID;
155 155
      }
156 156

	
157 157
      template <typename _Digraph>
158 158
      struct Constraints {
159 159
	typedef typename _Digraph::Node Node;
160 160
	typedef typename _Digraph::Arc Arc;
161 161
      
162 162
	void constraints() {
163 163
	  checkConcept<GraphItem<'n'>, Node>();
164 164
	  checkConcept<GraphItem<'a'>, Arc>();
165 165
	  {
166 166
	    Node n;
167 167
	    Arc e(INVALID);
168 168
	    n = digraph.source(e);
169 169
	    n = digraph.target(e);
170 170
            n = digraph.oppositeNode(n, e);
171 171
	  }      
172 172
	}
173 173
      
174 174
	const _Digraph& digraph;
175 175
      };
176 176
    };
177 177

	
178 178
    /// \brief An empty base undirected graph class.
179 179
    ///  
180 180
    /// This class provides the minimal set of features needed for an
181 181
    /// undirected graph structure. All undirected graph concepts have
182 182
    /// to be conform to this base graph. It just provides types for
183 183
    /// nodes, arcs and edges and functions to get the
184 184
    /// source and the target of the arcs and edges,
185 185
    /// conversion from arcs to edges and function to get
186 186
    /// both direction of the edges.
187 187
    class BaseGraphComponent : public BaseDigraphComponent {
188 188
    public:
189 189
      typedef BaseDigraphComponent::Node Node;
190 190
      typedef BaseDigraphComponent::Arc Arc;
191 191
      /// \brief Undirected arc class of the graph.
192 192
      ///
193 193
      /// This class represents the edges of the graph.
194 194
      /// The undirected graphs can be used as a directed graph which
195 195
      /// for each arc contains the opposite arc too so the graph is
196 196
      /// bidirected. The edge represents two opposite
197 197
      /// directed arcs.
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#include <iostream>
20 20
#include <vector>
21 21

	
22 22
#include <lemon/concepts/digraph.h>
23 23
#include <lemon/list_graph.h>
24 24
//#include <lemon/smart_graph.h>
25 25
//#include <lemon/full_graph.h>
26 26
//#include <lemon/hypercube_graph.h>
27 27

	
28 28
#include "test_tools.h"
29 29
#include "digraph_test.h"
30 30
#include "map_test.h"
31 31

	
32 32

	
33 33
using namespace lemon;
34 34
using namespace lemon::concepts;
35 35

	
36 36

	
37 37
int main() {
38 38
  { // checking digraph components
39 39
    checkConcept<BaseDigraphComponent, BaseDigraphComponent >();
40 40

	
41 41
    checkConcept<IDableDigraphComponent<>, 
42 42
      IDableDigraphComponent<> >();
43 43

	
44 44
    checkConcept<IterableDigraphComponent<>, 
45 45
      IterableDigraphComponent<> >();
46 46

	
47 47
    checkConcept<MappableDigraphComponent<>, 
48 48
      MappableDigraphComponent<> >();
49 49

	
50 50
  }
51 51
  { // checking skeleton digraphs
52 52
    checkConcept<Digraph, Digraph>();
53 53
  }
54 54
  { // checking list digraph
55 55
    checkConcept<Digraph, ListDigraph >();
56 56
    checkConcept<AlterableDigraphComponent<>, ListDigraph>();
57 57
    checkConcept<ExtendableDigraphComponent<>, ListDigraph>();
58 58
    checkConcept<ClearableDigraphComponent<>, ListDigraph>();
59 59
    checkConcept<ErasableDigraphComponent<>, ListDigraph>();
60 60

	
61 61
    checkDigraph<ListDigraph>();
62 62
    checkGraphNodeMap<ListDigraph>();
63 63
    checkGraphArcMap<ListDigraph>();
64 64
  }
65 65
//   { // checking smart digraph
66 66
//     checkConcept<Digraph, SmartDigraph >();
67 67

	
68 68
//     checkDigraph<SmartDigraph>();
69 69
//     checkDigraphNodeMap<SmartDigraph>();
70 70
//     checkDigraphArcMap<SmartDigraph>();
71 71
//   }
72 72
//   { // checking full digraph
73 73
//     checkConcept<Digraph, FullDigraph >();
74 74
//   }
75 75
//   { // checking full digraph
76 76
//     checkConcept<Digraph, HyperCubeDigraph >();
77 77
//   }
78 78

	
79 79
  std::cout << __FILE__ ": All tests passed.\n";
80 80

	
81 81
  return 0;
82 82
}
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_TEST_GRAPH_TEST_H
20 20
#define LEMON_TEST_GRAPH_TEST_H
21 21

	
22 22
//#include <lemon/graph_utils.h>
23 23
#include "test_tools.h"
24 24

	
25 25
//! \ingroup misc
26 26
//! \file
27 27
//! \brief Some utility and test cases to test digraph classes.
28 28
namespace lemon {
29 29

	
30 30
  ///Structure returned by \ref addPetersen().
31 31

	
32 32
  ///Structure returned by \ref addPetersen().
33 33
  ///
34 34
  template<class Digraph> 
35 35
  struct PetStruct
36 36
  {
37 37
    ///Vector containing the outer nodes.
38 38
    std::vector<typename Digraph::Node> outer;
39 39
    ///Vector containing the inner nodes.
40 40
    std::vector<typename Digraph::Node> inner;
41 41
    ///Vector containing the edges of the inner circle.
42 42
    std::vector<typename Digraph::Arc> incir;
43 43
    ///Vector containing the edges of the outer circle.
44 44
    std::vector<typename Digraph::Arc> outcir;
45 45
    ///Vector containing the chord edges.
46 46
    std::vector<typename Digraph::Arc> chords;
47 47
  };
48 48

	
49 49

	
50 50

	
51 51
  ///Adds a Petersen graph to \c G.
52 52

	
53 53
  ///Adds a Petersen graph to \c G.
54 54
  ///\return The nodes and edges of the generated graph.
55 55

	
56 56
  template<typename Digraph>
57 57
  PetStruct<Digraph> addPetersen(Digraph &G,int num = 5)
58 58
  {
59 59
    PetStruct<Digraph> n;
60 60

	
61 61
    for(int i=0;i<num;i++) {
62 62
      n.outer.push_back(G.addNode());
63 63
      n.inner.push_back(G.addNode());
64 64
    }
65 65

	
66 66
    for(int i=0;i<num;i++) {
67 67
      n.chords.push_back(G.addArc(n.outer[i],n.inner[i]));
68 68
      n.outcir.push_back(G.addArc(n.outer[i],n.outer[(i+1) % num]));
69 69
      n.incir.push_back(G.addArc(n.inner[i],n.inner[(i+2) % num]));
70 70
    }
71 71
    return n;
72 72
  }
73 73

	
74 74
  /// \brief Adds to the digraph the reverse pair of all edges.
75 75
  ///
76 76
  /// Adds to the digraph the reverse pair of all edges.
77 77
  ///
78 78
  template<class Digraph> 
79 79
  void bidirDigraph(Digraph &G)
80 80
  {
81 81
    typedef typename Digraph::Arc Arc;
82 82
    typedef typename Digraph::ArcIt ArcIt;
83 83
  
84 84
    std::vector<Arc> ee;
85 85
  
86 86
    for(ArcIt e(G);e!=INVALID;++e) ee.push_back(e);
87 87

	
88 88
    for(typename std::vector<Arc>::iterator p=ee.begin();p!=ee.end();p++)
89 89
      G.addArc(G.target(*p),G.source(*p));
90 90
  }
91 91

	
92 92

	
93 93
  /// \brief Checks the bidirectioned Petersen graph.
94 94
  ///
95 95
  ///  Checks the bidirectioned Petersen graph.
96 96
  ///
97 97
  template<class Digraph> 
98 98
  void checkBidirPetersen(Digraph &G, int num = 5)
99 99
  {
100 100
    typedef typename Digraph::Node Node;
101 101

	
102 102
    typedef typename Digraph::ArcIt ArcIt;
103 103
    typedef typename Digraph::NodeIt NodeIt;
104 104

	
105 105
    checkDigraphNodeList(G, 2 * num);
106 106
    checkDigraphArcList(G, 6 * num);
107 107

	
108 108
    for(NodeIt n(G);n!=INVALID;++n) {
109 109
      checkDigraphInArcList(G, n, 3);
110 110
      checkDigraphOutArcList(G, n, 3);
111 111
    }  
112 112
  }
113 113

	
114 114
  template<class Digraph> void checkDigraphNodeList(Digraph &G, int nn)
115 115
  {
116 116
    typename Digraph::NodeIt n(G);
117 117
    for(int i=0;i<nn;i++) {
118 118
      check(n!=INVALID,"Wrong Node list linking.");
119 119
      ++n;
120 120
    }
121 121
    check(n==INVALID,"Wrong Node list linking.");
122 122
  }
123 123

	
124 124
  template<class Digraph>
125 125
  void checkDigraphArcList(Digraph &G, int nn)
126 126
  {
127 127
    typedef typename Digraph::ArcIt ArcIt;
128 128

	
129 129
    ArcIt e(G);
130 130
    for(int i=0;i<nn;i++) {
131 131
      check(e!=INVALID,"Wrong Arc list linking.");
132 132
      ++e;
133 133
    }
134 134
    check(e==INVALID,"Wrong Arc list linking.");
135 135
  }
136 136

	
137 137
  template<class Digraph> 
138 138
  void checkDigraphOutArcList(Digraph &G, typename Digraph::Node n, int nn)
139 139
  {
140 140
    typename Digraph::OutArcIt e(G,n);
141 141
    for(int i=0;i<nn;i++) {
142 142
      check(e!=INVALID,"Wrong OutArc list linking.");
143 143
      check(n==G.source(e), "Wrong OutArc list linking.");
144 144
      ++e;
145 145
    }
146 146
    check(e==INVALID,"Wrong OutArc list linking.");
147 147
  }
148 148

	
149 149
  template<class Digraph> void 
150 150
  checkDigraphInArcList(Digraph &G, typename Digraph::Node n, int nn)
151 151
  {
152 152
    typename Digraph::InArcIt e(G,n);
153 153
    for(int i=0;i<nn;i++) {
154 154
      check(e!=INVALID,"Wrong InArc list linking.");
155 155
      check(n==G.target(e), "Wrong InArc list linking.");
156 156
      ++e;
157 157
    }
158 158
    check(e==INVALID,"Wrong InArc list linking.");
159 159
  }
160 160

	
161 161
  template <class Digraph> 
162 162
  void checkDigraph() {
163 163
    const int num = 5;
164 164
    Digraph G;
165 165
    addPetersen(G, num);
166 166
    bidirDigraph(G);
167 167
    checkBidirPetersen(G, num);
168 168
  }
169 169

	
170 170
  template <class Digraph> 
171 171
  void checkDigraphIterators(const Digraph& digraph) {
172 172
    typedef typename Digraph::Node Node;
173 173
    typedef typename Digraph::NodeIt NodeIt;
174 174
    typedef typename Digraph::Arc Arc;
175 175
    typedef typename Digraph::ArcIt ArcIt;
176 176
    typedef typename Digraph::InArcIt InArcIt;
177 177
    typedef typename Digraph::OutArcIt OutArcIt;
178 178
    //    typedef ConArcIt<Digraph> ConArcIt;
179 179
  }
180 180

	
181 181
  ///\file
182 182
  ///\todo Check target(), source() as well;
183 183

	
184 184
  
185 185
} //namespace lemon
186 186

	
187 187

	
188 188
#endif
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#include <lemon/concepts/graph.h>
20 20
#include <lemon/list_graph.h>
21 21
// #include <lemon/smart_graph.h>
22 22
// #include <lemon/full_graph.h>
23 23
// #include <lemon/grid_graph.h>
24 24

	
25 25
//#include <lemon/graph_utils.h>
26 26

	
27 27
#include "test_tools.h"
28 28

	
29 29

	
30 30
using namespace lemon;
31 31
using namespace lemon::concepts;
32 32

	
33 33
void check_concepts() {
34 34

	
35 35
  { // checking digraph components
36 36
    checkConcept<BaseGraphComponent, BaseGraphComponent >();
37 37

	
38 38
    checkConcept<IDableGraphComponent<>, 
39 39
      IDableGraphComponent<> >();
40 40

	
41 41
    checkConcept<IterableGraphComponent<>, 
42 42
      IterableGraphComponent<> >();
43 43

	
44 44
    checkConcept<MappableGraphComponent<>, 
45 45
      MappableGraphComponent<> >();
46 46

	
47 47
  }
48 48
  {
49 49
    checkConcept<Graph, ListGraph>();    
50 50
//     checkConcept<Graph, SmartGraph>();    
51 51
//     checkConcept<Graph, FullGraph>();    
52 52
//     checkConcept<Graph, Graph>();    
53 53
//     checkConcept<Graph, GridGraph>();
54 54
  }
55 55
}
56 56

	
57 57
template <typename Graph>
58 58
void check_item_counts(Graph &g, int n, int e) {
59 59
  int nn = 0;
60 60
  for (typename Graph::NodeIt it(g); it != INVALID; ++it) {
61 61
    ++nn;
62 62
  }
63 63

	
64 64
  check(nn == n, "Wrong node number.");
65 65
  //  check(countNodes(g) == n, "Wrong node number.");
66 66

	
67 67
  int ee = 0;
68 68
  for (typename Graph::ArcIt it(g); it != INVALID; ++it) {
69 69
    ++ee;
70 70
  }
71 71

	
72 72
  check(ee == 2*e, "Wrong arc number.");
73 73
  //  check(countArcs(g) == 2*e, "Wrong arc number.");
74 74

	
75 75
  int uee = 0;
76 76
  for (typename Graph::EdgeIt it(g); it != INVALID; ++it) {
77 77
    ++uee;
78 78
  }
79 79

	
80 80
  check(uee == e, "Wrong edge number.");
81 81
  //  check(countEdges(g) == e, "Wrong edge number.");
82 82
}
83 83

	
84 84
template <typename Graph>
85 85
void print_items(Graph &g) {
86 86

	
87 87
  typedef typename Graph::NodeIt NodeIt;
88 88
  typedef typename Graph::EdgeIt EdgeIt;
89 89
  typedef typename Graph::ArcIt ArcIt;
90 90

	
91 91
  std::cout << "Nodes" << std::endl;
92 92
  int i=0;
93 93
  for(NodeIt it(g); it!=INVALID; ++it, ++i) {
94 94
    std::cout << "  " << i << ": " << g.id(it) << std::endl;
95 95
  }
96 96

	
97 97
  std::cout << "Edge" << std::endl;
98 98
  i=0;
99 99
  for(EdgeIt it(g); it!=INVALID; ++it, ++i) {
100 100
    std::cout << "  " << i << ": " << g.id(it) 
101 101
	 << " (" << g.id(g.source(it)) << ", " << g.id(g.target(it)) 
102 102
	 << ")" << std::endl;
103 103
  }
104 104

	
105 105
  std::cout << "Arc" << std::endl;
106 106
  i=0;
107 107
  for(ArcIt it(g); it!=INVALID; ++it, ++i) {
108 108
    std::cout << "  " << i << ": " << g.id(it)
109 109
	 << " (" << g.id(g.source(it)) << ", " << g.id(g.target(it)) 
110 110
	 << ")" << std::endl;
111 111
  }
112 112

	
113 113
}
114 114

	
115 115
template <typename Graph>
116 116
void check_graph() {
117 117

	
118 118
  typedef typename Graph::Node Node;
119 119
  typedef typename Graph::Edge Edge;
120 120
  typedef typename Graph::Arc Arc;
121 121
  typedef typename Graph::NodeIt NodeIt;
122 122
  typedef typename Graph::EdgeIt EdgeIt;
123 123
  typedef typename Graph::ArcIt ArcIt;
124 124

	
125 125
  Graph g;
126 126

	
127 127
  check_item_counts(g,0,0);
128 128

	
129 129
  Node
130 130
    n1 = g.addNode(),
131 131
    n2 = g.addNode(),
132 132
    n3 = g.addNode();
133 133

	
134 134
  Edge
135 135
    e1 = g.addEdge(n1, n2),
136 136
    e2 = g.addEdge(n2, n3);
137 137

	
138 138
  // print_items(g);
139 139

	
140 140
  check_item_counts(g,3,2);
141 141
}
142 142

	
143 143
// void checkGridGraph(const GridGraph& g, int w, int h) {
144 144
//   check(g.width() == w, "Wrong width");
145 145
//   check(g.height() == h, "Wrong height");
146 146

	
147 147
//   for (int i = 0; i < w; ++i) {
148 148
//     for (int j = 0; j < h; ++j) {
149 149
//       check(g.col(g(i, j)) == i, "Wrong col");
150 150
//       check(g.row(g(i, j)) == j, "Wrong row");
151 151
//     }
152 152
//   }
153 153
  
154 154
//   for (int i = 0; i < w; ++i) {
155 155
//     for (int j = 0; j < h - 1; ++j) {
156 156
//       check(g.source(g.down(g(i, j))) == g(i, j), "Wrong down");
157 157
//       check(g.target(g.down(g(i, j))) == g(i, j + 1), "Wrong down");
158 158
//     }
159 159
//     check(g.down(g(i, h - 1)) == INVALID, "Wrong down");
160 160
//   }
161 161

	
162 162
//   for (int i = 0; i < w; ++i) {
163 163
//     for (int j = 1; j < h; ++j) {
164 164
//       check(g.source(g.up(g(i, j))) == g(i, j), "Wrong up");
165 165
//       check(g.target(g.up(g(i, j))) == g(i, j - 1), "Wrong up");
166 166
//     }
167 167
//     check(g.up(g(i, 0)) == INVALID, "Wrong up");
168 168
//   }
169 169

	
170 170
//   for (int j = 0; j < h; ++j) {
171 171
//     for (int i = 0; i < w - 1; ++i) {
172 172
//       check(g.source(g.right(g(i, j))) == g(i, j), "Wrong right");
173 173
//       check(g.target(g.right(g(i, j))) == g(i + 1, j), "Wrong right");      
174 174
//     }
175 175
//     check(g.right(g(w - 1, j)) == INVALID, "Wrong right");    
176 176
//   }
177 177

	
178 178
//   for (int j = 0; j < h; ++j) {
179 179
//     for (int i = 1; i < w; ++i) {
180 180
//       check(g.source(g.left(g(i, j))) == g(i, j), "Wrong left");
181 181
//       check(g.target(g.left(g(i, j))) == g(i - 1, j), "Wrong left");      
182 182
//     }
183 183
//     check(g.left(g(0, j)) == INVALID, "Wrong left");    
184 184
//   }
185 185
// }
186 186

	
187 187
int main() {
188 188
  check_concepts();
189 189

	
190 190
  check_graph<ListGraph>();
191 191
//  check_graph<SmartGraph>();
192 192

	
193 193
//   {
194 194
//     FullGraph g(5);
195 195
//     check_item_counts(g, 5, 10);
196 196
//   }
197 197

	
Ignore white space 6 line context
1 1
/* -*- C++ -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library
4 4
 *
5
 * Copyright (C) 2003-2007
5
 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
9 9
 * Permission to use, modify and distribute this software is granted
10 10
 * provided that this copyright notice appears in all copies. For
11 11
 * precise terms see the accompanying LICENSE file.
12 12
 *
13 13
 * This software is provided "AS IS" with no warranty of any kind,
14 14
 * express or implied, and with no claim as to its suitability for any
15 15
 * purpose.
16 16
 *
17 17
 */
18 18

	
19 19
#ifndef LEMON_TEST_MAP_TEST_H
20 20
#define LEMON_TEST_MAP_TEST_H
21 21

	
22 22

	
23 23
#include <vector>
24 24
#include <lemon/maps.h>
25 25

	
26 26
#include "test_tools.h"
27 27

	
28 28

	
29 29
//! \ingroup misc
30 30
//! \file
31 31
//! \brief Some utilities to test map classes.
32 32

	
33 33
namespace lemon {
34 34

	
35 35

	
36 36

	
37 37
  template <typename Graph>
38 38
  void checkGraphNodeMap() {
39 39
    Graph graph;
40 40
    const int num = 16;
41 41
    
42 42
    typedef typename Graph::Node Node;
43 43

	
44 44
    std::vector<Node> nodes;
45 45
    for (int i = 0; i < num; ++i) {
46 46
      nodes.push_back(graph.addNode());      
47 47
    }
48 48
    typedef typename Graph::template NodeMap<int> IntNodeMap;
49 49
    IntNodeMap map(graph, 42);
50 50
    for (int i = 0; i < int(nodes.size()); ++i) {
51 51
      check(map[nodes[i]] == 42, "Wrong map constructor.");      
52 52
    }
53 53
    for (int i = 0; i < num; ++i) {
54 54
      nodes.push_back(graph.addNode());
55 55
      map[nodes.back()] = 23;
56 56
    }
57 57
    map = constMap<Node>(12);
58 58
    for (int i = 0; i < int(nodes.size()); ++i) {
59 59
      check(map[nodes[i]] == 12, "Wrong map constructor.");      
60 60
    }    
61 61
    graph.clear();
62 62
    nodes.clear();
63 63
  }
64 64

	
65 65
  template <typename Graph>
66 66
  void checkGraphArcMap() {
67 67
    Graph graph;
68 68
    const int num = 16;
69 69
    
70 70
    typedef typename Graph::Node Node;
71 71
    typedef typename Graph::Arc Arc;
72 72
    
73 73
    std::vector<Node> nodes;
74 74
    for (int i = 0; i < num; ++i) {
75 75
      nodes.push_back(graph.addNode());
76 76
    }
77 77
    
78 78
    std::vector<Arc> edges;
79 79
    for (int i = 0; i < num; ++i) {
80 80
      for (int j = 0; j < i; ++j) {
81 81
	edges.push_back(graph.addArc(nodes[i], nodes[j]));
82 82
      }
83 83
    }
84 84
    
85 85
    typedef typename Graph::template ArcMap<int> IntArcMap;
86 86
    IntArcMap map(graph, 42);
87 87
    
88 88
    for (int i = 0; i < int(edges.size()); ++i) {
89 89
      check(map[edges[i]] == 42, "Wrong map constructor.");      
90 90
    }
91 91
    
92 92
    for (int i = 0; i < num; ++i) {
93 93
      for (int j = i + 1; j < num; ++j) {
94 94
	edges.push_back(graph.addArc(nodes[i], nodes[j]));
95 95
	map[edges.back()] = 23;
96 96
      }
97 97
    }
98 98
    map = constMap<Arc>(12);
99 99
    for (int i = 0; i < int(edges.size()); ++i) {
100 100
      check(map[edges[i]] == 12, "Wrong map constructor.");      
101 101
    }    
102 102
    graph.clear();
103 103
    edges.clear();    
104 104
  }
105 105

	
106 106
  template <typename Graph>
107 107
  void checkGraphEdgeMap() {
108 108
    Graph graph;
109 109
    const int num = 16;
110 110
    
111 111
    typedef typename Graph::Node Node;
112 112
    typedef typename Graph::Edge Edge;
113 113
    
114 114
    std::vector<Node> nodes;
115 115
    for (int i = 0; i < num; ++i) {
116 116
      nodes.push_back(graph.addNode());
117 117
    }
118 118
    
119 119
    std::vector<Edge> edges;
120 120
    for (int i = 0; i < num; ++i) {
121 121
      for (int j = 0; j < i; ++j) {
122 122
	edges.push_back(graph.addEdge(nodes[i], nodes[j]));
123 123
      }
124 124
    }
125 125
    
126 126
    typedef typename Graph::template EdgeMap<int> IntEdgeMap;
127 127
    IntEdgeMap map(graph, 42);
128 128
    
129 129
    for (int i = 0; i < int(edges.size()); ++i) {
130 130
      check(map[edges[i]] == 42, "Wrong map constructor.");      
131 131
    }
132 132
    
133 133
    for (int i = 0; i < num; ++i) {
134 134
      for (int j = i + 1; j < num; ++j) {
135 135
	edges.push_back(graph.addEdge(nodes[i], nodes[j]));
136 136
	map[edges.back()] = 23;
137 137
      }
138 138
    }
139 139
    map = constMap<Edge>(12);
140 140
    for (int i = 0; i < int(edges.size()); ++i) {
141 141
      check(map[edges[i]] == 12, "Wrong map constructor.");      
142 142
    }    
143 143
    graph.clear();
144 144
    edges.clear();    
145 145
  }
146 146

	
147 147
}
148 148

	
149 149
#endif
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