0
16
0
1
1
1 | 1 |
LEMON code without an explicit copyright is covered by the following |
2 | 2 |
copyright/license. |
3 | 3 |
|
4 |
Copyright (C) 2003- |
|
4 |
Copyright (C) 2003-2008 Egervary Jeno Kombinatorikus Optimalizalasi |
|
5 | 5 |
Kutatocsoport (Egervary Combinatorial Optimization Research Group, |
6 | 6 |
EGRES). |
7 | 7 |
|
8 | 8 |
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 |
10 | 10 |
this license (the "Software") to use, reproduce, display, distribute, |
11 | 11 |
execute, and transmit the Software, and to prepare derivative works of the |
12 | 12 |
Software, and to permit third-parties to whom the Software is furnished to |
13 | 13 |
do so, all subject to the following: |
14 | 14 |
|
15 | 15 |
The copyright notices in the Software and this entire statement, including |
16 | 16 |
the above license grant, this restriction and the following disclaimer, |
17 | 17 |
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 |
19 | 19 |
works are solely in the form of machine-executable object code generated by |
20 | 20 |
a source language processor. |
21 | 21 |
|
22 | 22 |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
23 | 23 |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
24 | 24 |
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
25 | 25 |
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
26 | 26 |
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
27 | 27 |
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
28 | 28 |
DEALINGS IN THE SOFTWARE. |
29 | 29 |
|
30 | 30 |
=========================================================================== |
31 | 31 |
This license is a verbatim copy of the Boost Software License, Version 1.0. |
32 | 32 |
|
33 | 33 |
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- |
|
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_ALTERATION_NOTIFIER_H |
20 | 20 |
#define LEMON_BITS_ALTERATION_NOTIFIER_H |
21 | 21 |
|
22 | 22 |
#include <vector> |
23 | 23 |
#include <list> |
24 | 24 |
|
25 | 25 |
#include <lemon/bits/utility.h> |
26 | 26 |
|
27 | 27 |
///\ingroup graphbits |
28 | 28 |
///\file |
29 | 29 |
///\brief Observer notifier for graph alteration observers. |
30 | 30 |
|
31 | 31 |
namespace lemon { |
32 | 32 |
|
33 | 33 |
/// \ingroup graphbits |
34 | 34 |
/// |
35 | 35 |
/// \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 |
40 | 40 |
/// 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 |
44 | 44 |
/// 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 |
46 | 46 |
/// edges. If we want to check on every indicing if the map contains |
47 | 47 |
/// 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 |
53 | 53 |
/// next() member functions make possible to iterate on the keys of the |
54 | 54 |
/// container. The \e id() function returns an integer id for each key. |
55 | 55 |
/// The \e maxId() function gives back an upper bound of the ids. |
56 | 56 |
/// |
57 | 57 |
/// For the proper functonality of this class, we should notify it |
58 | 58 |
/// about each alteration in the container. The alterations have four type |
59 | 59 |
/// as \e add(), \e erase(), \e build() and \e clear(). The \e add() and |
60 | 60 |
/// \e erase() signals that only one or few items added or erased to or |
61 | 61 |
/// from the graph. If all items are erased from the graph or from an empty |
62 | 62 |
/// 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 |
66 | 66 |
/// 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 |
70 | 70 |
/// overriding the virtual functions defined in the base class. The |
71 | 71 |
/// observer base can be attached to the notifier with the |
72 | 72 |
/// \e attach() member and can be detached with detach() function. The |
73 | 73 |
/// alteration handlers should not call any function which signals |
74 | 74 |
/// an other alteration in the same notifier and should not |
75 | 75 |
/// detach any observer from the notifier. |
76 | 76 |
/// |
77 | 77 |
/// Alteration observers try to be exception safe. If an \e add() or |
78 | 78 |
/// a \e clear() function throws an exception then the remaining |
79 | 79 |
/// observeres will not be notified and the fulfilled additions will |
80 | 80 |
/// be rolled back by calling the \e erase() or \e clear() |
81 | 81 |
/// 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 |
84 | 84 |
/// exception which detach the observer from the notifier. |
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/// |
86 | 86 |
/// There are some place when the alteration observing is not completly |
87 | 87 |
/// reliable. If we want to carry out the node degree in the graph |
88 | 88 |
/// as in the \ref InDegMap and we use the reverseEdge that cause |
89 | 89 |
/// unreliable functionality. Because the alteration observing signals |
90 | 90 |
/// only erasing and adding but not the reversing it will stores bad |
91 | 91 |
/// degrees. The sub graph adaptors cannot signal the alterations because |
92 | 92 |
/// just a setting in the filter map can modify the graph and this cannot |
93 | 93 |
/// be watched in any way. |
94 | 94 |
/// |
95 | 95 |
/// \param _Container The container which is observed. |
96 | 96 |
/// \param _Item The item type which is obserbved. |
97 | 97 |
/// |
98 | 98 |
/// \author Balazs Dezso |
99 | 99 |
|
100 | 100 |
template <typename _Container, typename _Item> |
101 | 101 |
class AlterationNotifier { |
102 | 102 |
public: |
103 | 103 |
|
104 | 104 |
typedef True Notifier; |
105 | 105 |
|
106 | 106 |
typedef _Container Container; |
107 | 107 |
typedef _Item Item; |
108 | 108 |
|
109 | 109 |
/// \brief Exception which can be called from \e clear() and |
110 | 110 |
/// \e erase(). |
111 | 111 |
/// |
112 | 112 |
/// From the \e clear() and \e erase() function only this |
113 | 113 |
/// exception is allowed to throw. The exception immediatly |
114 | 114 |
/// detaches the current observer from the notifier. Because the |
115 | 115 |
/// \e clear() and \e erase() should not throw other exceptions |
116 | 116 |
/// 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. |
124 | 124 |
/// |
125 | 125 |
/// The observer interface contains some pure virtual functions |
126 | 126 |
/// to override. The add() and erase() functions are |
127 | 127 |
/// to notify the oberver when one item is added or |
128 | 128 |
/// erased. |
129 | 129 |
/// |
130 | 130 |
/// The build() and clear() members are to notify the observer |
131 | 131 |
/// 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; } |
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- |
|
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_ARRAY_MAP_H |
20 | 20 |
#define LEMON_BITS_ARRAY_MAP_H |
21 | 21 |
|
22 | 22 |
#include <memory> |
23 | 23 |
|
24 | 24 |
#include <lemon/bits/traits.h> |
25 | 25 |
#include <lemon/bits/alteration_notifier.h> |
26 | 26 |
#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 |
40 | 40 |
/// automatically updates the map when a key is added to or erased from |
41 | 41 |
/// 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: |
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- |
|
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); |
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- |
|
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 |
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- |
|
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 |
/// |
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- |
|
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) |
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- |
|
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 |
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- |
|
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 |
} |
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- |
|
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. |
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- |
|
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 |
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- |
|
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. |
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- |
|
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 |
} |
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- |
|
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 |
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- |
|
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 |
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- |
|
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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