libMesh
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fe_scalar_shape_2D.C
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1// The libMesh Finite Element Library.
2// Copyright (C) 2002-2026 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// C++ includes
20
21// Local includes
22#include "libmesh/fe.h"
23#include "libmesh/elem.h"
24
25
26namespace libMesh
27{
28
29
31
32
33template <>
35 const Order,
36 const unsigned int,
37 const Point &)
38{
39 return 1.;
40}
41
42template <>
44 const Order,
45 const unsigned int,
46 const Point &,
47 const bool)
48{
49 return 1.;
50}
51
52
53template <>
55 const Elem *,
56 const unsigned int,
57 const Point &,
58 const bool)
59{
60 return 1.;
61}
62
63
64template <>
66 const Order,
67 const unsigned int,
68 const unsigned int,
69 const Point &)
70{
71 return 0.;
72}
73
74template <>
76 const Order,
77 const unsigned int,
78 const unsigned int,
79 const Point &,
80 const bool)
81{
82 return 0.;
83}
84
85
86template <>
88 const Elem *,
89 const unsigned int,
90 const unsigned int,
91 const Point &,
92 const bool)
93{
94 return 0.;
95}
96
97
98#ifdef LIBMESH_ENABLE_SECOND_DERIVATIVES
99
100template <>
102 const Order,
103 const unsigned int,
104 const unsigned int,
105 const Point &)
106{
107 return 0.;
108}
109
110template <>
112 const Order,
113 const unsigned int,
114 const unsigned int,
115 const Point &,
116 const bool)
117{
118 return 0.;
119}
120
121template <>
123 const Elem *,
124 const unsigned int,
125 const unsigned int,
126 const Point &,
127 const bool)
128{
129 return 0.;
130}
131
132#endif
133
134} // namespace libMesh
This is the base class from which all geometric element types are derived.
Definition elem.h:96
class FEType hides (possibly multiple) FEFamily and approximation orders, thereby enabling specialize...
Definition fe_type.h:197
static OutputShape shape(const ElemType t, const Order o, const unsigned int i, const Point &p)
static OutputShape shape_second_deriv(const ElemType t, const Order o, const unsigned int i, const unsigned int j, const Point &p)
static OutputShape shape_deriv(const ElemType t, const Order o, const unsigned int i, const unsigned int j, const Point &p)
A Point defines a location in LIBMESH_DIM dimensional Real space.
Definition point.h:40
The libMesh namespace provides an interface to certain functionality in the library.
LIBMESH_DEFAULT_VECTORIZED_FE(template<>Real FE< 0, BERNSTEIN)
ElemType
Defines an enum for geometric element types.
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real