Line data Source code
1 : /*
2 : * Copyright (c) 2012-2015: G-CSC, Goethe University Frankfurt
3 : * Author: Markus Breit
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 : #include "element_side_util.h"
34 :
35 : #include "lib_grid/grid/grid_util.h" // for CompareVertices
36 :
37 :
38 : namespace ug {
39 :
40 :
41 0 : Face* GetOpposingSide(Grid& g, Volume* elem, Face* side)
42 : {
43 0 : FaceDescriptor fd;
44 0 : elem->get_opposing_side(side, fd);
45 :
46 : // compare descriptor to actual sides of the elem
47 : typedef Grid::traits<Face>::secure_container side_list_type;
48 : side_list_type sl;
49 : g.associated_elements(sl, elem);
50 : size_t sl_sz = sl.size();
51 0 : for (size_t s = 0; s < sl_sz; ++s)
52 : {
53 0 : if (CompareVertices(sl[s], &fd))
54 0 : return sl[s];
55 : }
56 :
57 : return (Face*) NULL;
58 : }
59 :
60 :
61 0 : Edge* GetOpposingSide(Grid& g, Face* elem, Edge* side)
62 : {
63 0 : EdgeDescriptor ed;
64 0 : elem->get_opposing_side(side, ed);
65 :
66 : // compare descriptor to actual sides of the elem
67 : typedef Grid::traits<Edge>::secure_container side_list_type;
68 : side_list_type sl;
69 : g.associated_elements(sl, elem);
70 : size_t sl_sz = sl.size();
71 0 : for (size_t s = 0; s < sl_sz; ++s)
72 : {
73 0 : if (CompareVertices(sl[s], &ed))
74 0 : return sl[s];
75 : }
76 :
77 : return (Edge*) NULL;
78 : }
79 :
80 :
81 0 : Vertex* GetOpposingSide(Grid& g, Edge* elem, Vertex* side)
82 : {
83 0 : Vertex* out = NULL;
84 0 : elem->get_opposing_side(side, &out);
85 0 : return out;
86 : }
87 :
88 :
89 : } // namespace ug
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