libMesh
quadrature_monomial_1D.C
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2019 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 // C++ includes
21 
22 // Local includes
23 #include "libmesh/quadrature_monomial.h"
24 #include "libmesh/quadrature_gauss.h"
25 
26 namespace libMesh
27 {
28 
29 void QMonomial::init_1D(const ElemType, unsigned int)
30 {
31  QGauss gauss_rule(1, _order);
32  gauss_rule.init(_type, _p_level);
33 
34  _points.swap(gauss_rule.get_points());
35  _weights.swap(gauss_rule.get_weights());
36 }
37 
38 } // namespace libMesh
libMesh::QBase::_p_level
unsigned int _p_level
The p-level of the element for which the current values have been computed.
Definition: quadrature.h:357
libMesh::QGauss
This class implements specific orders of Gauss quadrature.
Definition: quadrature_gauss.h:39
libMesh
The libMesh namespace provides an interface to certain functionality in the library.
Definition: factoryfunction.C:55
libMesh::QBase::init
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:59
libMesh::QBase::_order
Order _order
The polynomial order which the quadrature rule is capable of integrating exactly.
Definition: quadrature.h:345
libMesh::QBase::get_points
const std::vector< Point > & get_points() const
Definition: quadrature.h:141
libMesh::QBase::_type
ElemType _type
The type of element for which the current values have been computed.
Definition: quadrature.h:351
libMesh::QBase::get_weights
const std::vector< Real > & get_weights() const
Definition: quadrature.h:153
libMesh::QBase::_weights
std::vector< Real > _weights
The quadrature weights.
Definition: quadrature.h:369
libMesh::QMonomial::init_1D
virtual void init_1D(const ElemType, unsigned int) override
Uses a Gauss rule in 1D.
Definition: quadrature_monomial_1D.C:29
libMesh::QBase::_points
std::vector< Point > _points
The locations of the quadrature points in reference element space.
Definition: quadrature.h:363
libMesh::ElemType
ElemType
Defines an enum for geometric element types.
Definition: enum_elem_type.h:33