ug4
algebra_misc.h
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1 /*
2  * Copyright (c) 2010-2013: G-CSC, Goethe University Frankfurt
3  * Author: Martin Rupp
4  *
5  * This file is part of UG4.
6  *
7  * UG4 is free software: you can redistribute it and/or modify it under the
8  * terms of the GNU Lesser General Public License version 3 (as published by the
9  * Free Software Foundation) with the following additional attribution
10  * requirements (according to LGPL/GPL v3 §7):
11  *
12  * (1) The following notice must be displayed in the Appropriate Legal Notices
13  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
14  *
15  * (2) The following notice must be displayed at a prominent place in the
16  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
17  *
18  * (3) The following bibliography is recommended for citation and must be
19  * preserved in all covered files:
20  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
21  * parallel geometric multigrid solver on hierarchically distributed grids.
22  * Computing and visualization in science 16, 4 (2013), 151-164"
23  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
24  * flexible software system for simulating pde based models on high performance
25  * computers. Computing and visualization in science 16, 4 (2013), 165-179"
26  *
27  * This program is distributed in the hope that it will be useful,
28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30  * GNU Lesser General Public License for more details.
31  */
32 
33 #ifndef __H__UG__CPU_ALGEBRA__ALGEBRA_MISC__
34 #define __H__UG__CPU_ALGEBRA__ALGEBRA_MISC__
36 
37 namespace ug
38 {
39 
42 
43 #ifndef NDEBUG
46 #define FORCE_CREATION volatile size_t ___never_happens___ = 0; if(___never_happens___)
47 #else
48 #define FORCE_CREATION if(0)
49 #endif
50 
52 #define UNUSED_VARIABLE(var) ((void) var);
53 
54 
58 template<typename T>
59 struct sortStruct
60 {
61  size_t index; // for example "original" position.
63 
64  bool operator < (const sortStruct<T> &other) const
65  {
66  return sortValue < other.sortValue;
67  }
68 };
69 
70 // end group lib_algebra
72 
73 }
74 
75 
76 #endif // __H__UG__CPU_ALGEBRA__ALGEBRA_MISC__
the ug namespace
Definition: algebra_misc.h:60
bool operator<(const sortStruct< T > &other) const
Definition: algebra_misc.h:64
size_t index
Definition: algebra_misc.h:61
T sortValue
Definition: algebra_misc.h:62