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// Intrepid Package
// Copyright (2007) Sandia Corporation
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/** \file Intrepid_HDIV_HEX_In_FEM.hpp
\brief Header file for the Intrepid::HDIV_HEX_In_FEM class.
\author Created by R. Kirby and P. Bochev and D. Ridzal and K. Petrson.
*/
#ifndef INTREPID_HDIV_HEX_In_FEM_HPP
#define INTREPID_HDIV_HEX_In_FEM_HPP
#include "Intrepid_TensorBasis.hpp"
#include "Intrepid_ProductTopology.hpp"
#include "Intrepid_HGRAD_LINE_Cn_FEM.hpp"
#include "Teuchos_RCP.hpp"
using Teuchos::rcp;
namespace Intrepid {
/** \class Intrepid::Basis_HDIV_HEX_In_FEM
\brief Implementation of the default H(div)-compatible FEM basis of degree 1 on Hexahedral cell
Implements Raviart-Thomas basis of degree n on the reference Hexahedral cell. The basis has
cardinality 3(n+1)n^2 and spans a INCOMPLETE polynomial space.
\endverbatim
*/
template<class Scalar, class ArrayScalar>
class Basis_HDIV_HEX_In_FEM :
public TensorBasis<Scalar, ArrayScalar> ,
public DofCoordsInterface<ArrayScalar> {
private:
/** \brief Initializes <var>tagToOrdinal_</var> and <var>ordinalToTag_</var> lookup arrays.
*/
void initializeTags();
Basis_HGRAD_LINE_Cn_FEM<Scalar,ArrayScalar> closedBasis_;
Basis_HGRAD_LINE_Cn_FEM<Scalar,ArrayScalar> openBasis_;
FieldContainer<double> closedPts_;
FieldContainer<double> openPts_;
public:
/** \brief Destructor
*/
virtual ~Basis_HDIV_HEX_In_FEM( ) {;}
/** \brief Constructor.
\param order [in] - order of polynomial space
\param ptsClosed [in] - pts that include the endpoints, used in the direction of normal continuity
\param ptsOpen [in] - used in "off" direction
*/
Basis_HDIV_HEX_In_FEM( int order ,
const ArrayScalar &ptsClosed ,
const ArrayScalar &ptsOpen );
/** \brief Streamlined constructor that allows user to request equispaced points or
Gauss-Lobatto cross with Gauss-Legendre points in each vector component
*/
Basis_HDIV_HEX_In_FEM( int order , const EPointType &pointType );
/** \brief Evaluation of a FEM basis on a <strong>reference Hexahedral</strong> cell.
Returns values of <var>operatorType</var> acting on FEM basis functions for a set of
points in the <strong>reference Hexahedral</strong> cell. For rank and dimensions of
I/O array arguments see Section \ref basis_md_array_sec.
\param outputValues [out] - rank-3 or 4 array with the computed basis values
\param inputPoints [in] - rank-2 array with dimensions (P,D) containing reference points
\param operatorType [in] - operator applied to basis functions
*/
void getValues(ArrayScalar & outputValues,
const ArrayScalar & inputPoints,
const EOperator operatorType) const;
/** \brief FVD basis evaluation: invocation of this method throws an exception.
*/
void getValues(ArrayScalar & outputValues,
const ArrayScalar & inputPoints,
const ArrayScalar & cellVertices,
const EOperator operatorType = OPERATOR_VALUE) const;
virtual void getDofCoords(ArrayScalar & DofCoords) const;
};
}// namespace Intrepid
#include "Intrepid_HDIV_HEX_In_FEMDef.hpp"
#endif
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