SundanceQuadratureEvalMediator.hpp

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//                              Sundance
//                 Copyright (2005) Sandia Corporation
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#ifndef SUNDANCE_QUADRATUREEVALMEDIATOR_H
#define SUNDANCE_QUADRATUREEVALMEDIATOR_H

#include "SundanceDefs.hpp"
#include "SundanceMap.hpp"
#include "SundanceStdFwkEvalMediator.hpp"
#include "SundanceQuadratureFamily.hpp"
#include "SundanceBasisFamily.hpp"
#include "SundanceOrderedTuple.hpp"

namespace Sundance
{
using namespace Teuchos;

/**
 * 
 */
class QuadratureEvalMediator : public StdFwkEvalMediator
{
public:
  /** 
   * 
   */
  QuadratureEvalMediator(const Mesh& mesh, 
    int cellDim,
    const QuadratureFamily& quad);

  /** */
  virtual ~QuadratureEvalMediator(){;}

      
  /** Evaluate the given coordinate expression, putting
   * its numerical values in the given EvalVector. */
  virtual void evalCoordExpr(const CoordExpr* expr,
    RCP<EvalVector>& vec) const ;
      
  /** Evaluate the given discrete function, putting
   * its numerical values in the given EvalVector. */
  virtual void evalDiscreteFuncElement(const DiscreteFuncElement* expr,
    const Array<MultiIndex>& mi,
    Array<RCP<EvalVector> >& vec) const ;

  /** Evaluate the given cell diameter expression, putting
   * its numerical values in the given EvalVector. */
  virtual void evalCellDiameterExpr(const CellDiameterExpr* expr,
    RCP<EvalVector>& vec) const ;


  /** Evaluate the given cell vector expression, putting
   * its numerical values in the given EvalVector. */
  virtual void evalCellVectorExpr(const CellVectorExpr* expr,
    RCP<EvalVector>& vec) const ;
            
  /** */
  virtual void setCellType(const CellType& cellType,
    const CellType& maxCellType,
    bool isInternalBdry) ;

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

  /** */
  Array<Array<double> >* getRefBasisVals(const BasisFamily& basis, 
    int diffOrder) const ;

  /** */
  RCP<Array<Array<Array<double> > > > getFacetRefBasisVals(const BasisFamily& basis, int diffOrder) const ;

  /** */
  int numQuadPts(const CellType& cellType) const ;

  static double& totalFlops() {static double rtn = 0; return rtn;}

      

  static void addFlops(const double& flops) {totalFlops() += flops;}

  /**
   * Return the number of different cases for which reference
   * basis functions must be evaluated. If we're on maximal cells,
   * this will be one. If we're on lower-dimensional cells, this will
   * be equal to the number of cellDim-dimensional facets of the maximal
   * cells.
   */
  int numEvaluationCases() const {return numEvaluationCases_;}


  /** */
  static Time& coordEvaluationTimer() ;

private:


  /** */
  void fillFunctionCache(const DiscreteFunctionData* f,
    const MultiIndex& mi) const ;

     
  /** */
  void computePhysQuadPts() const ;

  /** */
  int numEvaluationCases_;

  /** */
  QuadratureFamily quad_;

  /** */
  Map<CellType, int> numQuadPtsForCellType_;

  /** quadPtsForReferenceCell_ stores quadrature points using the 
   * cell's coordinate system, i.e., points on a line are
   * stored in 1D coordinates regardless of the dimension of the 
   * maximal cell. This tabulation of quad pts is used in push
   * forward operations because it saves some pointer chasing 
   * within the mesh's pushForward() function.  */
  Map<CellType, RCP<Array<Point> > > quadPtsForReferenceCell_;

  /** quadPtsReferredToMaxCell_ stores quadrature points using the maximal
   * cell's coordinate system, i.e., points on a line are stored in 2D
   * coordinates if the line is a facet of a triangle, and so on. These
   * quadrature points are used in basis function evaluations. */
  Map<CellType, RCP<Array<Array<Point> > > > quadPtsReferredToMaxCell_;

  /** */
  mutable Array<Point> physQuadPts_;

  /** */
  mutable Array<Map<OrderedPair<BasisFamily, CellType>, RCP<Array<Array<Array<double> > > > > > refFacetBasisVals_;
      
};
}


#endif