1 /*
 2  *   Copyright (c) 2011, 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_AUX_QUADRUPLE_H
34 #define FLENS_AUX_QUADRUPLE_H 1
35 
36 #include <iostream>
37 
38 namespace flens {
39 
40 template <typename First,
41           typename Second = First,
42           typename Third = Second,
43           typename Forth = Third>
44 class Quadruple
45 {
46     public:
47         typedef First   first_type;
48         typedef Second  second_type;
49         typedef Third   third_type;
50         typedef Forth   forth_type;
51 
52         Quadruple();
53 
54         Quadruple(const First &_first,
55                   const Second &_second,
56                   const Third &_third,
57                   const Forth &_forth);
58 
59         template <typename RhsFirst,
60                   typename RhsSecond,
61                   typename RhsThird,
62                   typename RhsForth>
63             Quadruple(const Quadruple<RhsFirst,
64                                       RhsSecond,
65                                       RhsThird,
66                                       RhsForth> &rhs);
67 
68         First   first;
69         Second  second;
70         Third   third;
71         Forth   forth;
72 };
73 
74 // namespace flens
75 
76 #endif // FLENS_AUX_QUADRUPLE_H