SundanceAbstractEvalMediator.hpp

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/* @HEADER@ */

#ifndef SUNDANCE_EVALMEDIATOR_H
#define SUNDANCE_EVALMEDIATOR_H


#include "SundanceDefs.hpp"
#include "SundanceEvalVector.hpp"
#include "SundanceObjectWithVerbosity.hpp"

namespace Sundance
{

using namespace Sundance;

class CoordExpr;
class CellDiameterExpr;
class CurveNormExpr;
class CellVectorExpr;
class MultiIndex; 
class DiscreteFuncElement;
class SparsitySuperset;

/**
 * Base class for evaluation mediator objects. 
 * Evaluation mediators are responsible
 * for evaluating those expressions whose
 * calculation must be delegated to the framework.
 */
class AbstractEvalMediator 
{
public:
  /** */
  AbstractEvalMediator(int verb=0);

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

  /** */
  void setVerb(int verb, int dfVerb) const 
    {verb_ = verb; dfVerb_=dfVerb;}

  /** */
  int verb() const {return verb_;}

  /** */
  int dfVerb() const {return dfVerb_;}

          

  /** Evaluate the given coordinate expression, putting
   * its numerical values in the given EvalVector. */
  virtual void evalCoordExpr(const CoordExpr* expr,
    RCP<EvalVector>& vec) const = 0 ;

  /** 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 = 0 ;

  /** Evaluate the given cell diameter expression, putting
   * its numerical values in the given EvalVector. */
  virtual void evalCellDiameterExpr(const CellDiameterExpr* expr,
    RCP<EvalVector>& vec) const = 0 ;

  /** Evaluates one component of the normal vector to a given parameterized curve
   * i.e. x,y or z component of that vector in 3D <br>
   * , this method is only in the CurveEvalMediator class implemented */
  virtual void evalCurveNormExpr(const CurveNormExpr* expr,
    RCP<EvalVector>& vec) const
    {
    TEUCHOS_TEST_FOR_EXCEPTION( true , std::runtime_error,
    " EvalMediator::evalCurveNormExpr , not possible with the current EvalMediator (only with CurveEvalMediator)");
    }

  /** Evaluate the given cell vector expression, putting
   * its numerical values in the given EvalVector. */
  virtual void evalCellVectorExpr(const CellVectorExpr* expr,
    RCP<EvalVector>& vec) const = 0 ;


  /** Print evaluation results */
  virtual void showResults(std::ostream& os,
         const RCP<SparsitySuperset>& sparsity,
         const Array<RCP<EvalVector> >& vecResults,
         const Array<double>& constantResults) const  ;
private:
  mutable int verb_;
  mutable int dfVerb_;
};
}


#endif