1 | /* -*- C++ -*- |
---|
2 | * |
---|
3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
4 | * |
---|
5 | * Copyright (C) 2003-2006 |
---|
6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
8 | * |
---|
9 | * Permission to use, modify and distribute this software is granted |
---|
10 | * provided that this copyright notice appears in all copies. For |
---|
11 | * precise terms see the accompanying LICENSE file. |
---|
12 | * |
---|
13 | * This software is provided "AS IS" with no warranty of any kind, |
---|
14 | * express or implied, and with no claim as to its suitability for any |
---|
15 | * purpose. |
---|
16 | * |
---|
17 | */ |
---|
18 | |
---|
19 | #ifndef LEMON_CONCEPT_MATRIX_MAPS_H |
---|
20 | #define LEMON_CONCEPT_MATRIX_MAPS_H |
---|
21 | |
---|
22 | #include <lemon/bits/utility.h> |
---|
23 | #include <lemon/concept_check.h> |
---|
24 | |
---|
25 | ///\ingroup concept |
---|
26 | ///\file |
---|
27 | ///\brief MatrixMap concepts checking classes for testing and documenting. |
---|
28 | |
---|
29 | namespace lemon { |
---|
30 | |
---|
31 | namespace concept { |
---|
32 | |
---|
33 | /// \addtogroup concept |
---|
34 | /// @{ |
---|
35 | |
---|
36 | /// Readable matrix map concept |
---|
37 | template <typename K1, typename K2, typename V> |
---|
38 | class ReadMatrixMap |
---|
39 | { |
---|
40 | public: |
---|
41 | /// Map's first key type. |
---|
42 | typedef K1 FirstKey; |
---|
43 | /// Map's second key type. |
---|
44 | typedef K2 SecondKey; |
---|
45 | /// \brief Map's value type. |
---|
46 | /// (The type of objects associated with the pairs of keys). |
---|
47 | typedef V Value; |
---|
48 | |
---|
49 | // \bug Value don't need to be default constructible. |
---|
50 | /// Returns the value associated with a key. |
---|
51 | Value operator()(const FirstKey&, const SecondKey&) const { |
---|
52 | return Value(); |
---|
53 | } |
---|
54 | |
---|
55 | template <typename _ReadMatrixMap> |
---|
56 | struct Constraints { |
---|
57 | |
---|
58 | void constraints() { |
---|
59 | Value val = m(first_key, second_key); |
---|
60 | val = m(first_key, second_key); |
---|
61 | typename _ReadMatrixMap::Value own_val = |
---|
62 | m(own_first_key, own_second_key); |
---|
63 | own_val = m(own_first_key, own_second_key); |
---|
64 | ignore_unused_variable_warning(val); |
---|
65 | ignore_unused_variable_warning(own_val); |
---|
66 | } |
---|
67 | |
---|
68 | FirstKey& first_key; |
---|
69 | SecondKey& second_key; |
---|
70 | typename _ReadMatrixMap::FirstKey& own_first_key; |
---|
71 | typename _ReadMatrixMap::SecondKey& own_second_key; |
---|
72 | _ReadMatrixMap& m; |
---|
73 | }; |
---|
74 | |
---|
75 | }; |
---|
76 | |
---|
77 | |
---|
78 | /// Writable map concept |
---|
79 | template <typename K1, typename K2, typename V> |
---|
80 | class WriteMatrixMap { |
---|
81 | public: |
---|
82 | /// Map's first key type. |
---|
83 | typedef K1 FirstKey; |
---|
84 | /// Map's second key type. |
---|
85 | typedef K2 SecondKey; |
---|
86 | /// \brief Map's value type. |
---|
87 | /// (The type of objects associated with the pairs of keys). |
---|
88 | typedef V Value; |
---|
89 | |
---|
90 | /// Sets the value associated with the pair of keys. |
---|
91 | void set(const FirstKey&, const SecondKey& ,const Value&) {} |
---|
92 | |
---|
93 | template <typename _WriteMatrixMap> |
---|
94 | struct Constraints { |
---|
95 | void constraints() { |
---|
96 | // No constraints for constructor. |
---|
97 | m.set(first_key, second_key, val); |
---|
98 | m.set(own_first_key, own_second_key, own_val); |
---|
99 | } |
---|
100 | |
---|
101 | Value& val; |
---|
102 | typename _WriteMatrixMap::Value own_val; |
---|
103 | FirstKey& first_key; |
---|
104 | SecondKey& second_key; |
---|
105 | typename _WriteMatrixMap::FirstKey& own_first_key; |
---|
106 | typename _WriteMatrixMap::SecondKey& own_second_key; |
---|
107 | _WriteMatrixMap& m; |
---|
108 | |
---|
109 | }; |
---|
110 | }; |
---|
111 | |
---|
112 | ///Read/Writable map concept |
---|
113 | template<typename K1, typename K2, typename V> |
---|
114 | class ReadWriteMatrixMap |
---|
115 | : public ReadMatrixMap<K1, K2, V>, public WriteMatrixMap<K1, K2, V> { |
---|
116 | public: |
---|
117 | /// Map's first key type. |
---|
118 | typedef K1 FirstKey; |
---|
119 | /// Map's second key type. |
---|
120 | typedef K2 SecondKey; |
---|
121 | /// \brief Map's value type. |
---|
122 | /// (The type of objects associated with the pairs of keys). |
---|
123 | typedef V Value; |
---|
124 | |
---|
125 | /// Returns the value associated with a pair of keys. |
---|
126 | Value operator()(const FirstKey&, const SecondKey&) const { |
---|
127 | return Value(); |
---|
128 | } |
---|
129 | /// Sets the value associated with the pair of keys. |
---|
130 | void set(const FirstKey&, const SecondKey& ,const Value&) {} |
---|
131 | |
---|
132 | template<typename _ReadWriteMatrixMap> |
---|
133 | struct Constraints { |
---|
134 | void constraints() { |
---|
135 | checkConcept<ReadMatrixMap<K1, K2, V>, _ReadWriteMatrixMap >(); |
---|
136 | checkConcept<WriteMatrixMap<K1, K2, V>, _ReadWriteMatrixMap >(); |
---|
137 | } |
---|
138 | }; |
---|
139 | }; |
---|
140 | |
---|
141 | |
---|
142 | ///Dereferable matrix map concept |
---|
143 | template<typename K1, typename K2, typename V, typename R, typename CR> |
---|
144 | class ReferenceMatrixMap : public ReadWriteMatrixMap<K1, K2, V> |
---|
145 | { |
---|
146 | public: |
---|
147 | /// Tag for reference maps. |
---|
148 | typedef True ReferenceMapTag; |
---|
149 | /// Map's first key type. |
---|
150 | typedef K1 FirstKey; |
---|
151 | /// Map's second key type. |
---|
152 | typedef K1 SecondKey; |
---|
153 | /// Map's value type. (The type of objects associated with the keys). |
---|
154 | typedef V Value; |
---|
155 | /// Map's reference type. |
---|
156 | typedef R Reference; |
---|
157 | /// Map's const reference type. |
---|
158 | typedef CR ConstReference; |
---|
159 | |
---|
160 | protected: |
---|
161 | Value tmp; |
---|
162 | public: |
---|
163 | |
---|
164 | ///Returns a reference to the value associated to a pair of keys. |
---|
165 | Reference operator()(const FirstKey&, const SecondKey&) { |
---|
166 | return tmp; |
---|
167 | } |
---|
168 | ///Returns a const reference to the value associated to a pair of keys. |
---|
169 | ConstReference operator()(const FirstKey&, const SecondKey&) const { |
---|
170 | return tmp; |
---|
171 | } |
---|
172 | /// Sets the value associated with the pair of keys. |
---|
173 | void set(const FirstKey&, const SecondKey& ,const Value&) {} |
---|
174 | |
---|
175 | // \todo rethink this concept |
---|
176 | template<typename _ReferenceMatrixMap> |
---|
177 | struct ReferenceMapConcept { |
---|
178 | |
---|
179 | void constraints() { |
---|
180 | checkConcept<ReadWriteMatrixMap, _ReferenceMatrixMap >(); |
---|
181 | m(first_key, second_key) = val; |
---|
182 | val = m(first_key, second_key); |
---|
183 | m(first_key, second_key) = ref; |
---|
184 | ref = m(first_key, second_key); |
---|
185 | m(own_first_key, own_second_key) = own_val; |
---|
186 | own_val = m(own_first_key, own_second_key); |
---|
187 | m(own_first_key, own_second_key) = own_ref; |
---|
188 | own_ref = m(own_first_key, own_second_key); |
---|
189 | } |
---|
190 | |
---|
191 | typename _ReferenceMatrixMap::Key& own_first_key; |
---|
192 | typename _ReferenceMatrixMap::Key& own_second_key; |
---|
193 | typename _ReferenceMatrixMap::Value& own_val; |
---|
194 | typename _ReferenceMatrixMap::Reference& own_ref; |
---|
195 | FirstKey& first_key; |
---|
196 | SecondKey& second_key; |
---|
197 | Value& val; |
---|
198 | Reference& ref; |
---|
199 | _ReferenceMatrixMap& m; |
---|
200 | }; |
---|
201 | }; |
---|
202 | |
---|
203 | // @} |
---|
204 | |
---|
205 | } //namespace concept |
---|
206 | } //namespace lemon |
---|
207 | #endif // LEMON_CONCEPT_MATRIX_MAPS_H |
---|