libMesh
quadrature_trap.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_TRAP_H
21 #define LIBMESH_QUADRATURE_TRAP_H
22 
23 // Local includes
24 #include "libmesh/quadrature.h"
25 
26 namespace libMesh
27 {
28 
38 class QTrap : public QBase
39 {
40 public:
41 
51  explicit
52  QTrap (unsigned int dim,
53  Order order=FIRST) :
54  QBase(dim,order)
55  {
56  if (_dim == 1)
57  init(EDGE2);
58  }
59 
64  QTrap (const QTrap &) = default;
65  QTrap (QTrap &&) = default;
66  QTrap & operator= (const QTrap &) = default;
67  QTrap & operator= (QTrap &&) = default;
68  virtual ~QTrap() = default;
69 
73  virtual QuadratureType type() const override;
74 
75  virtual std::unique_ptr<QBase> clone() const override;
76 
77 private:
78 
79  virtual void init_1D (const ElemType, unsigned int) override;
80  virtual void init_2D (const ElemType, unsigned int) override;
81  virtual void init_3D (const ElemType, unsigned int) override;
82 };
83 
84 } // namespace libMesh
85 
86 #endif // LIBMESH_QUADRATURE_TRAP_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
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
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...
The libMesh namespace provides an interface to certain functionality in the library.
QTrap(unsigned int dim, Order order=FIRST)
Constructor.
virtual ~QTrap()=default
QTrap & operator=(const QTrap &)=default
virtual QuadratureType type() const override
virtual void init_3D(const ElemType, unsigned int) override
Initializes the 3D quadrature rule by filling the points and weights vectors with the appropriate val...
virtual std::unique_ptr< QBase > clone() const override
virtual void init_2D(const ElemType, unsigned int) override
Initializes the 2D quadrature rule by filling the points and weights vectors with the appropriate val...
This class implements trapezoidal quadrature.
The QBase class provides the basic functionality from which various quadrature rules can be derived...
Definition: quadrature.h:53