SundanceEdgeLocalizedBasis.hpp

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// 
//                              Sundance
//                 Copyright (2005) Sandia Corporation
// 
// Copyright (year first published) Sandia Corporation.  Under the terms 
// of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government 
// retains certain rights in this software.
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#ifndef SUNDANCE_EDGELOCALIZEDBASIS_H
#define SUNDANCE_EDGELOCALIZEDBASIS_H

#include "SundanceDefs.hpp"
#include "Teuchos_RefCountPtr.hpp"
#include "SundanceBasisFamilyBase.hpp"

namespace Sundance 
{
/** 
 * EdgeLocalizedBasis is a basis function defined only on edges. 
 */
class EdgeLocalizedBasis : public ScalarBasis
{
public:
  /** */
  EdgeLocalizedBasis();

  /**   
   * \brief Inform caller as to whether a given cell type is supported 
   */
  bool supportsCellTypePair(
    const CellType& maximalCellType,
    const CellType& cellType
    ) const ;

  /** */
  void print(std::ostream& os) const ;

  /** */
  int order() const {return 0;}

  /** return the number of nodes for this basis on the given cell type */
  int nReferenceDOFsWithoutFacets(
    const CellType& maximalCellType,
    const CellType& cellType
    ) const ;

  /** */
  void getReferenceDOFs(
    const CellType& maximalCellType,
    const CellType& cellType,
    Array<Array<Array<int> > >& dofs) const ;

  /** */
  void refEval(
    const CellType& cellType,
    const Array<Point>& pts,
    const SpatialDerivSpecifier& deriv,
    Array<Array<Array<double> > >& result,
    int verbosity=0) const ;


  /* Handleable boilerplate */
  GET_RCP(BasisFamilyBase);

private:

  /** evaluate on a line cell  */
  void evalOnLine(const Point& pt,
    const MultiIndex& deriv,
    Array<double>& result) const ;
    
  /** evaluate on a triangle cell  */
  void evalOnTriangle(const Point& pt,
    const MultiIndex& deriv,
    Array<double>& result) const ;
  /** evaluate on a tet cell  */
  void evalOnTet(const Point& pt,
    const MultiIndex& deriv,
    Array<double>& result) const ;
    
};
}

#endif

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