1 | // Copyright 2002 The Trustees of Indiana University. |
---|
2 | |
---|
3 | // Use, modification and distribution is subject to the Boost Software |
---|
4 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
---|
5 | // http://www.boost.org/LICENSE_1_0.txt) |
---|
6 | |
---|
7 | // Boost.MultiArray Library |
---|
8 | // Authors: Ronald Garcia |
---|
9 | // Jeremy Siek |
---|
10 | // Andrew Lumsdaine |
---|
11 | // See http://www.boost.org/libs/multi_array for documentation. |
---|
12 | |
---|
13 | #ifndef BOOST_MULTI_ARRAY_CONCEPT_CHECKS_RG110101_HPP |
---|
14 | #define BOOST_MULTI_ARRAY_CONCEPT_CHECKS_RG110101_HPP |
---|
15 | |
---|
16 | // |
---|
17 | // concept-checks.hpp - Checks out Const MultiArray and MultiArray |
---|
18 | // concepts |
---|
19 | // |
---|
20 | |
---|
21 | #include "boost/concept_check.hpp" |
---|
22 | #include "boost/iterator/iterator_concepts.hpp" |
---|
23 | |
---|
24 | namespace boost { |
---|
25 | namespace detail { |
---|
26 | namespace multi_array { |
---|
27 | |
---|
28 | // |
---|
29 | // idgen_helper - |
---|
30 | // This is a helper for generating index_gen instantiations with |
---|
31 | // the right type in order to test the call to |
---|
32 | // operator[](index_gen). Since one would normally write: |
---|
33 | // A[ indices[range1][range2] ]; // or |
---|
34 | // B[ indices[index1][index2][range1] ]; |
---|
35 | // idgen helper allows us to generate the "indices" type by |
---|
36 | // creating it through recursive calls. |
---|
37 | template <std::size_t N> |
---|
38 | struct idgen_helper { |
---|
39 | |
---|
40 | template <typename Array, typename IdxGen, typename Call_Type> |
---|
41 | static void call(Array& a, const IdxGen& idgen, Call_Type c) { |
---|
42 | typedef typename Array::index_range index_range; |
---|
43 | typedef typename Array::index index; |
---|
44 | idgen_helper<N-1>::call(a,idgen[c],c); |
---|
45 | } |
---|
46 | }; |
---|
47 | |
---|
48 | template <> |
---|
49 | struct idgen_helper<0> { |
---|
50 | |
---|
51 | template <typename Array, typename IdxGen, typename Call_Type> |
---|
52 | static void call(Array& a, const IdxGen& idgen, Call_Type) { |
---|
53 | typedef typename Array::index_range index_range; |
---|
54 | typedef typename Array::index index; |
---|
55 | a[ idgen ]; |
---|
56 | } |
---|
57 | }; |
---|
58 | |
---|
59 | |
---|
60 | template <typename Array, std::size_t NumDims > |
---|
61 | struct ConstMultiArrayConcept |
---|
62 | { |
---|
63 | void constraints() { |
---|
64 | // function_requires< CopyConstructibleConcept<Array> >(); |
---|
65 | function_requires< boost_concepts::ForwardTraversalConcept<iterator> >(); |
---|
66 | function_requires< boost_concepts::ReadableIteratorConcept<iterator> >(); |
---|
67 | function_requires< boost_concepts::ForwardTraversalConcept<const_iterator> >(); |
---|
68 | function_requires< boost_concepts::ReadableIteratorConcept<const_iterator> >(); |
---|
69 | |
---|
70 | // RG - a( CollectionArchetype) when available... |
---|
71 | a[ id ]; |
---|
72 | // Test slicing, keeping only the first dimension, losing the rest |
---|
73 | idgen_helper<NumDims-1>::call(a,idgen[range],id); |
---|
74 | |
---|
75 | // Test slicing, keeping all dimensions. |
---|
76 | idgen_helper<NumDims-1>::call(a,idgen[range],range); |
---|
77 | |
---|
78 | st = a.size(); |
---|
79 | st = a.num_dimensions(); |
---|
80 | st = a.num_elements(); |
---|
81 | stp = a.shape(); |
---|
82 | idp = a.strides(); |
---|
83 | idp = a.index_bases(); |
---|
84 | cit = a.begin(); |
---|
85 | cit = a.end(); |
---|
86 | crit = a.rbegin(); |
---|
87 | crit = a.rend(); |
---|
88 | eltp = a.origin(); |
---|
89 | } |
---|
90 | |
---|
91 | typedef typename Array::value_type value_type; |
---|
92 | typedef typename Array::reference reference; |
---|
93 | typedef typename Array::const_reference const_reference; |
---|
94 | typedef typename Array::size_type size_type; |
---|
95 | typedef typename Array::difference_type difference_type; |
---|
96 | typedef typename Array::iterator iterator; |
---|
97 | typedef typename Array::const_iterator const_iterator; |
---|
98 | typedef typename Array::reverse_iterator reverse_iterator; |
---|
99 | typedef typename Array::const_reverse_iterator const_reverse_iterator; |
---|
100 | typedef typename Array::element element; |
---|
101 | typedef typename Array::index index; |
---|
102 | typedef typename Array::index_gen index_gen; |
---|
103 | typedef typename Array::index_range index_range; |
---|
104 | typedef typename Array::extent_gen extent_gen; |
---|
105 | typedef typename Array::extent_range extent_range; |
---|
106 | |
---|
107 | Array a; |
---|
108 | size_type st; |
---|
109 | const size_type* stp; |
---|
110 | index id; |
---|
111 | const index* idp; |
---|
112 | const_iterator cit; |
---|
113 | const_reverse_iterator crit; |
---|
114 | const element* eltp; |
---|
115 | index_gen idgen; |
---|
116 | index_range range; |
---|
117 | }; |
---|
118 | |
---|
119 | |
---|
120 | template <typename Array, std::size_t NumDims > |
---|
121 | struct MutableMultiArrayConcept |
---|
122 | { |
---|
123 | void constraints() { |
---|
124 | // function_requires< CopyConstructibleConcept<Array> >(); |
---|
125 | |
---|
126 | function_requires< boost_concepts::ForwardTraversalConcept<iterator> >(); |
---|
127 | function_requires< boost_concepts::ReadableIteratorConcept<iterator> >(); |
---|
128 | function_requires< boost_concepts::WritableIteratorConcept<iterator> >(); |
---|
129 | function_requires< boost_concepts::ForwardTraversalConcept<const_iterator> >(); |
---|
130 | function_requires< boost_concepts::ReadableIteratorConcept<const_iterator> >(); |
---|
131 | |
---|
132 | // RG - a( CollectionArchetype) when available... |
---|
133 | value_type vt = a[ id ]; |
---|
134 | |
---|
135 | // Test slicing, keeping only the first dimension, losing the rest |
---|
136 | idgen_helper<NumDims-1>::call(a,idgen[range],id); |
---|
137 | |
---|
138 | // Test slicing, keeping all dimensions. |
---|
139 | idgen_helper<NumDims-1>::call(a,idgen[range],range); |
---|
140 | |
---|
141 | st = a.size(); |
---|
142 | st = a.num_dimensions(); |
---|
143 | st = a.num_elements(); |
---|
144 | stp = a.shape(); |
---|
145 | idp = a.strides(); |
---|
146 | idp = a.index_bases(); |
---|
147 | it = a.begin(); |
---|
148 | it = a.end(); |
---|
149 | rit = a.rbegin(); |
---|
150 | rit = a.rend(); |
---|
151 | eltp = a.origin(); |
---|
152 | const_constraints(a); |
---|
153 | } |
---|
154 | |
---|
155 | void const_constraints(const Array& a) { |
---|
156 | |
---|
157 | // value_type vt = a[ id ]; |
---|
158 | |
---|
159 | // Test slicing, keeping only the first dimension, losing the rest |
---|
160 | idgen_helper<NumDims-1>::call(a,idgen[range],id); |
---|
161 | |
---|
162 | // Test slicing, keeping all dimensions. |
---|
163 | idgen_helper<NumDims-1>::call(a,idgen[range],range); |
---|
164 | |
---|
165 | st = a.size(); |
---|
166 | st = a.num_dimensions(); |
---|
167 | st = a.num_elements(); |
---|
168 | stp = a.shape(); |
---|
169 | idp = a.strides(); |
---|
170 | idp = a.index_bases(); |
---|
171 | cit = a.begin(); |
---|
172 | cit = a.end(); |
---|
173 | crit = a.rbegin(); |
---|
174 | crit = a.rend(); |
---|
175 | eltp = a.origin(); |
---|
176 | } |
---|
177 | |
---|
178 | typedef typename Array::value_type value_type; |
---|
179 | typedef typename Array::reference reference; |
---|
180 | typedef typename Array::const_reference const_reference; |
---|
181 | typedef typename Array::size_type size_type; |
---|
182 | typedef typename Array::difference_type difference_type; |
---|
183 | typedef typename Array::iterator iterator; |
---|
184 | typedef typename Array::const_iterator const_iterator; |
---|
185 | typedef typename Array::reverse_iterator reverse_iterator; |
---|
186 | typedef typename Array::const_reverse_iterator const_reverse_iterator; |
---|
187 | typedef typename Array::element element; |
---|
188 | typedef typename Array::index index; |
---|
189 | typedef typename Array::index_gen index_gen; |
---|
190 | typedef typename Array::index_range index_range; |
---|
191 | typedef typename Array::extent_gen extent_gen; |
---|
192 | typedef typename Array::extent_range extent_range; |
---|
193 | |
---|
194 | Array a; |
---|
195 | size_type st; |
---|
196 | const size_type* stp; |
---|
197 | index id; |
---|
198 | const index* idp; |
---|
199 | iterator it; |
---|
200 | const_iterator cit; |
---|
201 | reverse_iterator rit; |
---|
202 | const_reverse_iterator crit; |
---|
203 | const element* eltp; |
---|
204 | index_gen idgen; |
---|
205 | index_range range; |
---|
206 | }; |
---|
207 | |
---|
208 | |
---|
209 | } // namespace multi_array |
---|
210 | } // namespace detail |
---|
211 | } // namespace boost |
---|
212 | |
---|
213 | |
---|
214 | #endif // BOOST_MULTI_ARRAY_CONCEPT_CHECKS_RG110101_HPP |
---|