1 /*
2 * Copyright (c) 2010, 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_VECTORTYPES_IMPL_DV_CONSTELEMENTCLOSURE_H
34 #define FLENS_VECTORTYPES_IMPL_DV_CONSTELEMENTCLOSURE_H 1
35
36 #include <flens/aux/constref.h>
37 #include <flens/scalartypes/scalar.h>
38
39 namespace flens { namespace densevector {
40
41 template <typename V, typename I = typename V::IndexVariable>
42 class ConstElementClosure
43 : public Scalar<ConstElementClosure<V, I> >
44 {
45 public:
46 typedef V Vector;
47 typedef typename Vector::ElementType ElementType;
48 typedef I IndexVariable;
49
50 ConstElementClosure(const Vector &vector,
51 const IndexVariable &index);
52
53 const ElementType &
54 value() const;
55
56 private:
57 const Vector &_vector;
58 const IndexVariable &_index;
59 int _id;
60 };
61
62 } } // namespace densevector, flens
63
64 #endif // FLENS_VECTORTYPES_IMPL_DV_CONSTELEMENTCLOSURE_H
2 * Copyright (c) 2010, 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_VECTORTYPES_IMPL_DV_CONSTELEMENTCLOSURE_H
34 #define FLENS_VECTORTYPES_IMPL_DV_CONSTELEMENTCLOSURE_H 1
35
36 #include <flens/aux/constref.h>
37 #include <flens/scalartypes/scalar.h>
38
39 namespace flens { namespace densevector {
40
41 template <typename V, typename I = typename V::IndexVariable>
42 class ConstElementClosure
43 : public Scalar<ConstElementClosure<V, I> >
44 {
45 public:
46 typedef V Vector;
47 typedef typename Vector::ElementType ElementType;
48 typedef I IndexVariable;
49
50 ConstElementClosure(const Vector &vector,
51 const IndexVariable &index);
52
53 const ElementType &
54 value() const;
55
56 private:
57 const Vector &_vector;
58 const IndexVariable &_index;
59 int _id;
60 };
61
62 } } // namespace densevector, flens
63
64 #endif // FLENS_VECTORTYPES_IMPL_DV_CONSTELEMENTCLOSURE_H