Line data Source code
1 : /*
2 : * Copyright (c) 2015: G-CSC, Goethe University Frankfurt
3 : * Author: Sebastian Reiter
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_basic_callbacks
34 : #define __H__UG_basic_callbacks
35 :
36 : #include "lib_grid/grid/grid.h"
37 : #include "element_callback_interface.h"
38 :
39 : namespace ug{
40 :
41 : /**
42 : * \brief contains grid element callback definitions for common usage
43 : *
44 : * \defgroup lib_grid_element_callbacks element_callbacks
45 : * \ingroup lib_grid
46 : * \{
47 : */
48 :
49 : /// callback that always returns true
50 0 : class ConsiderAll : public ElementCallback {
51 : public:
52 0 : bool operator() (Vertex* v) const {return true;}
53 0 : bool operator() (Edge* e) const {return true;}
54 0 : bool operator() (Face* f) const {return true;}
55 0 : bool operator() (Volume* v) const {return true;}
56 : };
57 :
58 : /// callback that always returns false
59 0 : class ConsiderNone : public ElementCallback {
60 : public:
61 0 : bool operator() (Vertex* v) const {return false;}
62 0 : bool operator() (Edge* e) const {return false;}
63 0 : bool operator() (Face* f) const {return false;}
64 0 : bool operator() (Volume* v) const {return false;}
65 : };
66 :
67 :
68 : ////////////////////////////////////////////////////////////////////////////////
69 : /// Element callback that returns true, if an element is marked
70 0 : class IsMarked : public ElementCallback
71 : {
72 : public:
73 : IsMarked(const Grid& grid) :
74 : m_grid(grid) {}
75 :
76 0 : bool operator() (Vertex* v) const {return callback(v);}
77 0 : bool operator() (Edge* e) const {return callback(e);}
78 0 : bool operator() (Face* f) const {return callback(f);}
79 0 : bool operator() (Volume* v) const {return callback(v);}
80 :
81 : private:
82 : template <class TElem>
83 0 : bool callback(TElem* e) const {return m_grid.is_marked(e);}
84 :
85 : private:
86 : const Grid& m_grid;
87 : };
88 :
89 : /// Element callback that returns true, if an element is not marked
90 : class IsNotMarked : public ElementCallback
91 : {
92 : public:
93 : IsNotMarked(const Grid& grid) :
94 : m_grid(grid) {}
95 :
96 : bool operator() (Vertex* v) const {return callback(v);}
97 : bool operator() (Edge* e) const {return callback(e);}
98 0 : bool operator() (Face* f) const {return callback(f);}
99 : bool operator() (Volume* v) const {return callback(v);}
100 :
101 : private:
102 : template <class TElem>
103 0 : bool callback(TElem* e) const {return !m_grid.is_marked(e);}
104 :
105 : private:
106 : const Grid& m_grid;
107 : };
108 :
109 : /** \} */ // lib_grid_element_callbacks
110 :
111 : }// end of namespace
112 :
113 : #endif //__H__UG_basic_callbacks
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