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_ARRAYVIEW_H
34 #define FLENS_STORAGE_ARRAY_ARRAYVIEW_H 1
35
36 namespace flens {
37
38 template <typename T, typename I, typename A>
39 class ConstArrayView;
40
41 template <typename T, typename I, typename A>
42 class Array;
43
44 template <typename T,
45 typename I = IndexOptions<>,
46 typename A = std::allocator<T> >
47 class ArrayView
48 {
49 public:
50 typedef T ElementType;
51 typedef typename I::IndexType IndexType;
52 typedef A Allocator;
53
54 typedef ConstArrayView<T, I, A> ConstView;
55 typedef ArrayView View;
56 typedef Array<T, I, A> NoView;
57
58 static const IndexType defaultIndexBase = I::defaultIndexBase;
59
60 ArrayView(IndexType length,
61 ElementType *data,
62 IndexType stride = IndexType(1),
63 IndexType firstIndex = defaultIndexBase,
64 const Allocator &allocator = Allocator());
65
66 ArrayView(const ArrayView &rhs);
67
68 template <typename RHS>
69 ArrayView(RHS &rhs);
70
71 ~ArrayView();
72
73 //-- operators ---------------------------------------------------------
74
75 const ElementType &
76 operator()(IndexType index) const;
77
78 ElementType &
79 operator()(IndexType index);
80
81 //-- methods -----------------------------------------------------------
82
83 IndexType
84 firstIndex() const;
85
86 IndexType
87 lastIndex() const;
88
89 IndexType
90 length() const;
91
92 IndexType
93 stride() const;
94
95 const ElementType *
96 data() const;
97
98 ElementType *
99 data();
100
101 const Allocator &
102 allocator() const;
103
104 bool
105 resize(IndexType length,
106 IndexType firstIndex = defaultIndexBase,
107 const ElementType &value = ElementType());
108
109 template <typename ARRAY>
110 bool
111 resize(const ARRAY &rhs, const ElementType &value = ElementType());
112
113 bool
114 fill(const ElementType &value = ElementType(0));
115
116 void
117 changeIndexBase(IndexType firstIndex);
118
119 const ConstView
120 view(IndexType from, IndexType to,
121 IndexType stride = IndexType(1),
122 IndexType firstViewIndex = defaultIndexBase) const;
123
124 ArrayView
125 view(IndexType from, IndexType to,
126 IndexType stride = IndexType(1),
127 IndexType firstViewIndex = defaultIndexBase);
128
129 private:
130 ElementType *_data;
131 Allocator _allocator;
132 IndexType _length, _stride, _firstIndex;
133 };
134
135 } // namespace flens
136
137 #endif // FLENS_STORAGE_ARRAY_ARRAYVIEW_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_ARRAYVIEW_H
34 #define FLENS_STORAGE_ARRAY_ARRAYVIEW_H 1
35
36 namespace flens {
37
38 template <typename T, typename I, typename A>
39 class ConstArrayView;
40
41 template <typename T, typename I, typename A>
42 class Array;
43
44 template <typename T,
45 typename I = IndexOptions<>,
46 typename A = std::allocator<T> >
47 class ArrayView
48 {
49 public:
50 typedef T ElementType;
51 typedef typename I::IndexType IndexType;
52 typedef A Allocator;
53
54 typedef ConstArrayView<T, I, A> ConstView;
55 typedef ArrayView View;
56 typedef Array<T, I, A> NoView;
57
58 static const IndexType defaultIndexBase = I::defaultIndexBase;
59
60 ArrayView(IndexType length,
61 ElementType *data,
62 IndexType stride = IndexType(1),
63 IndexType firstIndex = defaultIndexBase,
64 const Allocator &allocator = Allocator());
65
66 ArrayView(const ArrayView &rhs);
67
68 template <typename RHS>
69 ArrayView(RHS &rhs);
70
71 ~ArrayView();
72
73 //-- operators ---------------------------------------------------------
74
75 const ElementType &
76 operator()(IndexType index) const;
77
78 ElementType &
79 operator()(IndexType index);
80
81 //-- methods -----------------------------------------------------------
82
83 IndexType
84 firstIndex() const;
85
86 IndexType
87 lastIndex() const;
88
89 IndexType
90 length() const;
91
92 IndexType
93 stride() const;
94
95 const ElementType *
96 data() const;
97
98 ElementType *
99 data();
100
101 const Allocator &
102 allocator() const;
103
104 bool
105 resize(IndexType length,
106 IndexType firstIndex = defaultIndexBase,
107 const ElementType &value = ElementType());
108
109 template <typename ARRAY>
110 bool
111 resize(const ARRAY &rhs, const ElementType &value = ElementType());
112
113 bool
114 fill(const ElementType &value = ElementType(0));
115
116 void
117 changeIndexBase(IndexType firstIndex);
118
119 const ConstView
120 view(IndexType from, IndexType to,
121 IndexType stride = IndexType(1),
122 IndexType firstViewIndex = defaultIndexBase) const;
123
124 ArrayView
125 view(IndexType from, IndexType to,
126 IndexType stride = IndexType(1),
127 IndexType firstViewIndex = defaultIndexBase);
128
129 private:
130 ElementType *_data;
131 Allocator _allocator;
132 IndexType _length, _stride, _firstIndex;
133 };
134
135 } // namespace flens
136
137 #endif // FLENS_STORAGE_ARRAY_ARRAYVIEW_H