libMesh
quadrature_build.C
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2017 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 
22 
23 // Local includes
24 #include "libmesh/quadrature_clough.h"
25 #include "libmesh/quadrature_gauss.h"
26 #include "libmesh/quadrature_gm.h"
27 #include "libmesh/quadrature_grid.h"
28 #include "libmesh/quadrature_jacobi.h"
29 #include "libmesh/quadrature_monomial.h"
30 #include "libmesh/quadrature_simpson.h"
31 #include "libmesh/quadrature_trap.h"
32 #include "libmesh/quadrature_gauss_lobatto.h"
33 #include "libmesh/quadrature_conical.h"
34 #include "libmesh/string_to_enum.h"
35 
36 namespace libMesh
37 {
38 
39 
40 
41 //---------------------------------------------------------------
42 UniquePtr<QBase> QBase::build (const std::string & type,
43  const unsigned int _dim,
44  const Order _order)
45 {
46  return QBase::build (Utility::string_to_enum<QuadratureType> (type),
47  _dim,
48  _order);
49 }
50 
51 
52 
54  const unsigned int _dim,
55  const Order _order)
56 {
57  switch (_qt)
58  {
59 
60  case QCLOUGH:
61  {
62 #ifdef DEBUG
63  if (_order > TWENTYTHIRD)
64  {
65  libMesh::out << "WARNING: Clough quadrature implemented" << std::endl
66  << " up to TWENTYTHIRD order." << std::endl;
67  }
68 #endif
69 
70  return UniquePtr<QBase>(new QClough(_dim, _order));
71  }
72 
73  case QGAUSS:
74  {
75 
76 #ifdef DEBUG
77  if (_order > FORTYTHIRD)
78  {
79  libMesh::out << "WARNING: Gauss quadrature implemented" << std::endl
80  << " up to FORTYTHIRD order." << std::endl;
81  }
82 #endif
83 
84  return UniquePtr<QBase>(new QGauss(_dim, _order));
85  }
86 
87  case QJACOBI_1_0:
88  {
89 
90 #ifdef DEBUG
91  if (_order > FORTYTHIRD)
92  {
93  libMesh::out << "WARNING: Jacobi(1,0) quadrature implemented" << std::endl
94  << " up to FORTYTHIRD order." << std::endl;
95  }
96 
97  if (_dim > 1)
98  {
99  libMesh::out << "WARNING: Jacobi(1,0) quadrature implemented" << std::endl
100  << " in 1D only." << std::endl;
101  }
102 #endif
103 
104  return UniquePtr<QBase>(new QJacobi(_dim, _order, 1, 0));
105  }
106 
107  case QJACOBI_2_0:
108  {
109 
110 #ifdef DEBUG
111  if (_order > FORTYTHIRD)
112  {
113  libMesh::out << "WARNING: Jacobi(2,0) quadrature implemented" << std::endl
114  << " up to FORTYTHIRD order." << std::endl;
115  }
116 
117  if (_dim > 1)
118  {
119  libMesh::out << "WARNING: Jacobi(2,0) quadrature implemented" << std::endl
120  << " in 1D only." << std::endl;
121  }
122 #endif
123 
124  return UniquePtr<QBase>(new QJacobi(_dim, _order, 2, 0));
125  }
126 
127  case QSIMPSON:
128  {
129 
130 #ifdef DEBUG
131  if (_order > THIRD)
132  {
133  libMesh::out << "WARNING: Simpson rule provides only" << std::endl
134  << " THIRD order!" << std::endl;
135  }
136 #endif
137 
138  return UniquePtr<QBase>(new QSimpson(_dim));
139  }
140 
141  case QTRAP:
142  {
143 
144 #ifdef DEBUG
145  if (_order > FIRST)
146  {
147  libMesh::out << "WARNING: Trapezoidal rule provides only" << std::endl
148  << " FIRST order!" << std::endl;
149  }
150 #endif
151 
152  return UniquePtr<QBase>(new QTrap(_dim));
153  }
154 
155  case QGRID:
156  return UniquePtr<QBase>(new QGrid(_dim, _order));
157 
158  case QGRUNDMANN_MOLLER:
159  return UniquePtr<QBase>(new QGrundmann_Moller(_dim, _order));
160 
161  case QMONOMIAL:
162  return UniquePtr<QBase>(new QMonomial(_dim, _order));
163 
164  case QGAUSS_LOBATTO:
165  return UniquePtr<QBase>(new QGaussLobatto(_dim, _order));
166 
167  case QCONICAL:
168  return UniquePtr<QBase>(new QConical(_dim, _order));
169 
170  default:
171  libmesh_error_msg("ERROR: Bad qt=" << _qt);
172  }
173 
174 
175  libmesh_error_msg("We'll never get here!");
176  return UniquePtr<QBase>();
177 }
178 
179 } // namespace libMesh
QuadratureType
Defines an enum for currently available quadrature rules.
const unsigned int _dim
The spatial dimension of the quadrature rule.
Definition: quadrature.h:311
This class implements Simpson quadrature.
The libMesh namespace provides an interface to certain functionality in the library.
std::unique_ptr< T > UniquePtr
Definition: auto_ptr.h:46
OStreamProxy out
Order
defines an enum for polynomial orders.
Definition: enum_order.h:32
This class implements specific orders of Gauss quadrature.
static UniquePtr< QBase > build(const std::string &name, const unsigned int dim, const Order order=INVALID_ORDER)
Builds a specific quadrature rule based on the name string.
This class implements trapezoidal quadrature.
const Order _order
The polynomial order which the quadrature rule is capable of integrating exactly. ...
Definition: quadrature.h:317