libMesh
quadrature_jacobi.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2024 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_QUADRATURE_JACOBI_H
21 #define LIBMESH_QUADRATURE_JACOBI_H
22 
23 // Local includes
24 #include "libmesh/quadrature.h"
25 
26 namespace libMesh
27 {
28 
49 class QJacobi final : public QBase
50 {
51 public:
52 
56  QJacobi (unsigned int dim,
57  Order order=INVALID_ORDER,
58  unsigned int a=1,
59  unsigned int b=0) :
60  QBase(dim, order),
61  _alpha(a),
62  _beta(b)
63  {
64  if (_dim == 1)
65  init(EDGE2);
66  }
67 
72  QJacobi (const QJacobi &) = default;
73  QJacobi (QJacobi &&) = default;
74  QJacobi & operator= (const QJacobi &) = default;
75  QJacobi & operator= (QJacobi &&) = default;
76  virtual ~QJacobi() = default;
77 
82  virtual QuadratureType type() const override;
83 
84  virtual std::unique_ptr<QBase> clone() const override;
85 
86 private:
87  unsigned int _alpha;
88  unsigned int _beta;
89 
90  virtual void init_1D (const ElemType, unsigned int) override;
91 };
92 
93 } // namespace libMesh
94 
95 #endif // LIBMESH_QUADRATURE_JACOBI_H
virtual void init(const ElemType type=INVALID_ELEM, unsigned int p_level=0)
Initializes the data structures for a quadrature rule for an element of type type.
Definition: quadrature.C:64
ElemType
Defines an enum for geometric element types.
Order
defines an enum for polynomial orders.
Definition: enum_order.h:40
QJacobi(unsigned int dim, Order order=INVALID_ORDER, unsigned int a=1, unsigned int b=0)
Constructor.
unsigned int _alpha
unsigned int dim
QuadratureType
Defines an enum for currently available quadrature rules.
unsigned int _dim
The spatial dimension of the quadrature rule.
Definition: quadrature.h:359
The libMesh namespace provides an interface to certain functionality in the library.
virtual std::unique_ptr< QBase > clone() const override
QJacobi & operator=(const QJacobi &)=default
virtual void init_1D(const ElemType, unsigned int) override
Initializes the 1D quadrature rule by filling the points and weights vectors with the appropriate val...
This class implements two (for now) Jacobi-Gauss quadrature rules.
virtual QuadratureType type() const override
virtual ~QJacobi()=default
unsigned int _beta
The QBase class provides the basic functionality from which various quadrature rules can be derived...
Definition: quadrature.h:53