/usr/include/trilinos/Intrepid_CubatureTensor.hpp is in libtrilinos-intrepid-dev 12.12.1-5.
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// ************************************************************************
//
// Intrepid Package
// Copyright (2007) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// met:
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// 1. Redistributions of source code must retain the above copyright
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//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// Questions? Contact Pavel Bochev (pbboche@sandia.gov)
// Denis Ridzal (dridzal@sandia.gov), or
// Kara Peterson (kjpeter@sandia.gov)
//
// ************************************************************************
// @HEADER
/** \file Intrepid_CubatureTensor.hpp
\brief Header file for the Intrepid::CubatureTensor class.
\author Created by P. Bochev and D. Ridzal.
*/
#ifndef INTREPID_CUBATURE_TENSOR_HPP
#define INTREPID_CUBATURE_TENSOR_HPP
#include "Intrepid_ConfigDefs.hpp"
#include "Intrepid_Cubature.hpp"
#include "Intrepid_CubatureDirect.hpp"
#include "Teuchos_Assert.hpp"
namespace Intrepid {
/** \class Intrepid::CubatureTensor
\brief Defines tensor-product cubature (integration) rules in Intrepid.
*/
template<class Scalar, class ArrayPoint = FieldContainer<Scalar>, class ArrayWeight = ArrayPoint>
class CubatureTensor : public Intrepid::Cubature<Scalar,ArrayPoint,ArrayWeight> {
private:
/** \brief Degree of polynomials that are integrated exactly by
each cubature rule within the tensor product.
*/
std::vector<int> degree_;
/** \brief Dimension of integration domain.
*/
int dimension_;
/** \brief Array of cubature rules, stored as FieldContainers.
*/
std::vector< Teuchos::RCP<Cubature<Scalar,ArrayPoint,ArrayWeight> > > cubatures_;
public:
~CubatureTensor() {}
/** \brief Constructor.
\param cubatures [in] - Array of cubatures that represent the building blocks
of the tensor product.
*/
CubatureTensor( std::vector< Teuchos::RCP<Cubature<Scalar,ArrayPoint,ArrayWeight> > > cubatures);
/** \brief Constructor.
\param cubature1 [in] - First direct cubature rule.
\param cubature2 [in] - Second direct cubature rule.
*/
CubatureTensor(Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature1,
Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature2);
/** \brief Constructor.
\param cubature1 [in] - First direct cubature rule.
\param cubature2 [in] - Second direct cubature rule.
\param cubature3 [in] - Third direct cubature rule.
*/
CubatureTensor(Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature1,
Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature2,
Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature3);
/** \brief Constructor.
\param cubature [in] - Direct cubature rule.
\param n [in] - Number of copies of the cubature rule in the tensor product.
*/
CubatureTensor(Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature, int n);
/** \brief Returns cubature points and weights
(return arrays must be pre-sized/pre-allocated).
\param cubPoints [out] - Vector containing the cubature points.
\param cubWeights [out] - Vector of corresponding cubature weights.
*/
virtual void getCubature(ArrayPoint & cubPoints,
ArrayWeight & cubWeights) const;
/** \brief Returns cubature points and weights.
Method for physical space cubature, throws an exception.
\param cubPoints [out] - Array containing the cubature points.
\param cubWeights [out] - Array of corresponding cubature weights.
\param cellCoords [in] - Array of cell coordinates
*/
virtual void getCubature(ArrayPoint& cubPoints,
ArrayWeight& cubWeights,
ArrayPoint& cellCoords) const;
/** \brief Returns the number of cubature points.
*/
virtual int getNumPoints() const;
/** \brief Returns dimension of integration domain.
*/
virtual int getDimension() const;
/** \brief Returns max. degree of polynomials that are integrated exactly.
The return vector has the size of the degree_ vector.
*/
virtual void getAccuracy(std::vector<int> & degree) const;
}; // end class CubatureTensor
} // end namespace Intrepid
// include templated definitions
#include <Intrepid_CubatureTensorDef.hpp>
#endif
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