1 /*
2 * Copyright (c) 2007, Michael Lehn
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1) Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * 3) Neither the name of the FLENS development group nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef FLENS_STORAGE_ARRAY_ARRAY_H
34 #define FLENS_STORAGE_ARRAY_ARRAY_H 1
35
36 #include <memory>
37 #include <flens/storage/indexoptions.h>
38
39 namespace flens {
40
41 template <typename T, typename I, typename A>
42 class ConstArrayView;
43
44 template <typename T, typename I, typename A>
45 class ArrayView;
46
47 template <typename T,
48 typename I = IndexOptions<>,
49 typename A = std::allocator<T> >
50 class Array
51 {
52 public:
53 typedef T ElementType;
54 typedef typename I::IndexType IndexType;
55 typedef A Allocator;
56
57 typedef ConstArrayView<T, I, A> ConstView;
58 typedef ArrayView<T, I, A> View;
59 typedef Array NoView;
60
61 static const IndexType defaultIndexBase = I::defaultIndexBase;
62
63 Array();
64
65 Array(IndexType length,
66 IndexType firstIndex = defaultIndexBase,
67 const ElementType &value = ElementType(),
68 const Allocator &allocator = Allocator());
69
70 Array(const Array &rhs);
71
72 template <typename RHS>
73 Array(const RHS &rhs);
74
75 ~Array();
76
77 //-- operators ---------------------------------------------------------
78
79 const ElementType &
80 operator()(IndexType index) const;
81
82 ElementType &
83 operator()(IndexType index);
84
85 //-- methods -----------------------------------------------------------
86
87 IndexType
88 firstIndex() const;
89
90 IndexType
91 lastIndex() const;
92
93 IndexType
94 length() const;
95
96 IndexType
97 stride() const;
98
99 const ElementType *
100 data() const;
101
102 ElementType *
103 data();
104
105 const Allocator &
106 allocator() const;
107
108 bool
109 resize(IndexType length,
110 IndexType firstIndex = defaultIndexBase,
111 const ElementType &value = ElementType());
112
113 template <typename ARRAY>
114 bool
115 resize(const ARRAY &rhs, const ElementType &value = ElementType());
116
117 bool
118 fill(const ElementType &value = ElementType(0));
119
120 void
121 changeIndexBase(IndexType firstIndex);
122
123 const ConstView
124 view(IndexType from, IndexType to,
125 IndexType stride = IndexType(1),
126 IndexType firstViewIndex = defaultIndexBase) const;
127
128 View
129 view(IndexType from, IndexType to,
130 IndexType stride = IndexType(1),
131 IndexType firstViewIndex = defaultIndexBase);
132
133 private:
134 void
135 _raw_allocate();
136
137 void
138 _allocate(const ElementType &value = ElementType());
139
140 void
141 _release();
142
143 ElementType *_data;
144 Allocator _allocator;
145 IndexType _length, _firstIndex;
146 };
147
148 } // namespace flens
149
150 #endif // FLENS_STORAGE_ARRAY_ARRAY_H
2 * Copyright (c) 2007, Michael Lehn
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1) Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * 3) Neither the name of the FLENS development group nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef FLENS_STORAGE_ARRAY_ARRAY_H
34 #define FLENS_STORAGE_ARRAY_ARRAY_H 1
35
36 #include <memory>
37 #include <flens/storage/indexoptions.h>
38
39 namespace flens {
40
41 template <typename T, typename I, typename A>
42 class ConstArrayView;
43
44 template <typename T, typename I, typename A>
45 class ArrayView;
46
47 template <typename T,
48 typename I = IndexOptions<>,
49 typename A = std::allocator<T> >
50 class Array
51 {
52 public:
53 typedef T ElementType;
54 typedef typename I::IndexType IndexType;
55 typedef A Allocator;
56
57 typedef ConstArrayView<T, I, A> ConstView;
58 typedef ArrayView<T, I, A> View;
59 typedef Array NoView;
60
61 static const IndexType defaultIndexBase = I::defaultIndexBase;
62
63 Array();
64
65 Array(IndexType length,
66 IndexType firstIndex = defaultIndexBase,
67 const ElementType &value = ElementType(),
68 const Allocator &allocator = Allocator());
69
70 Array(const Array &rhs);
71
72 template <typename RHS>
73 Array(const RHS &rhs);
74
75 ~Array();
76
77 //-- operators ---------------------------------------------------------
78
79 const ElementType &
80 operator()(IndexType index) const;
81
82 ElementType &
83 operator()(IndexType index);
84
85 //-- methods -----------------------------------------------------------
86
87 IndexType
88 firstIndex() const;
89
90 IndexType
91 lastIndex() const;
92
93 IndexType
94 length() const;
95
96 IndexType
97 stride() const;
98
99 const ElementType *
100 data() const;
101
102 ElementType *
103 data();
104
105 const Allocator &
106 allocator() const;
107
108 bool
109 resize(IndexType length,
110 IndexType firstIndex = defaultIndexBase,
111 const ElementType &value = ElementType());
112
113 template <typename ARRAY>
114 bool
115 resize(const ARRAY &rhs, const ElementType &value = ElementType());
116
117 bool
118 fill(const ElementType &value = ElementType(0));
119
120 void
121 changeIndexBase(IndexType firstIndex);
122
123 const ConstView
124 view(IndexType from, IndexType to,
125 IndexType stride = IndexType(1),
126 IndexType firstViewIndex = defaultIndexBase) const;
127
128 View
129 view(IndexType from, IndexType to,
130 IndexType stride = IndexType(1),
131 IndexType firstViewIndex = defaultIndexBase);
132
133 private:
134 void
135 _raw_allocate();
136
137 void
138 _allocate(const ElementType &value = ElementType());
139
140 void
141 _release();
142
143 ElementType *_data;
144 Allocator _allocator;
145 IndexType _length, _firstIndex;
146 };
147
148 } // namespace flens
149
150 #endif // FLENS_STORAGE_ARRAY_ARRAY_H