cell_inf.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2014 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 
18 
19 
20 #ifndef LIBMESH_CELL_INF_H
21 #define LIBMESH_CELL_INF_H
22 
23 #include "libmesh/libmesh_config.h"
24 
25 #ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
26 
27 // Local includes
28 #include "libmesh/elem.h"
29 
30 namespace libMesh
31 {
32 
33 
34 
35 
42 // ------------------------------------------------------------
43 // InfCell class definition
44 class InfCell : public Elem
45 {
46 public:
47 
51  InfCell (const unsigned int nn,
52  const unsigned int ns,
53  Elem* p,
54  Elem** elemlinkdata,
55  Node** nodelinkdata) :
56  Elem (nn, ns, p, elemlinkdata, nodelinkdata)
57  {}
58 
62  unsigned int dim () const { return 3; }
63 
68  bool infinite () const { return true; }
69 
73  Point origin () const;
74 
75 };
76 
77 
78 // ------------------------------------------------------------
79 // InfCell inline functions
80 inline
82 {
83  return ( this->point(0)*2 - this->point( this->n_vertices()/2 ) );
84 }
85 
86 
87 } // namespace libMesh
88 
89 
90 #endif // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
91 
92 #endif // LIBMESH_CELL_INF_H

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