quadrature_trap.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2018 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 private:
76 
77  virtual void init_1D (const ElemType _type=INVALID_ELEM,
78  unsigned int p_level=0) override;
79  virtual void init_2D (const ElemType _type=INVALID_ELEM,
80  unsigned int p_level=0) override;
81  virtual void init_3D (const ElemType _type=INVALID_ELEM,
82  unsigned int p_level=0) override;
83 };
84 
85 } // namespace libMesh
86 
87 #endif // LIBMESH_QUADRATURE_TRAP_H
virtual void init(const ElemType type=INVALID_ELEM, unsigned int p_level=0)
Definition: quadrature.C:28
ElemType _type
Definition: quadrature.h:337
unsigned int _dim
Definition: quadrature.h:325
QTrap(unsigned int dim, Order order=FIRST)
virtual ~QTrap()=default
virtual void init_3D(const ElemType _type=INVALID_ELEM, unsigned int p_level=0) override
QTrap & operator=(const QTrap &)=default
virtual QuadratureType type() const override
virtual void init_1D(const ElemType _type=INVALID_ELEM, unsigned int p_level=0) override
virtual void init_2D(const ElemType _type=INVALID_ELEM, unsigned int p_level=0) override
Implements trapezoidal rule, i.e. nodal quadrature for linear elements.
Base class for all quadrature families and orders.
Definition: quadrature.h:62