SundanceEvalManager.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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// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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#ifndef SUNDANCE_EVALMANAGER_H
#define SUNDANCE_EVALMANAGER_H

#include "SundanceDefs.hpp"
#include "SundanceEvalContext.hpp"
#include "SundanceAbstractEvalMediator.hpp"
#include "SundanceTempStack.hpp"
#include "SundanceNoncopyable.hpp"
#include "Teuchos_TimeMonitor.hpp"

namespace Sundance
{
using namespace Sundance;
class CoordExpr;
class MultiIndex;
class DiscreteFuncElement;


/**
 * EvalManager provides methods for interfacing to the framework
 * through an AbstractEvalMediator and managing temporary variables
 * through a TempStack.
 *
 * If no mediator is set, std::string evaluations will be done 
 */
class EvalManager : public Noncopyable
{
public:
  /** Empty ctor */
  EvalManager();

  /** */
  void evalCoordExpr(const CoordExpr* expr,
    RCP<EvalVector>&  result) const ;

  /** */
  void evalCellDiameterExpr(const CellDiameterExpr* expr,
    RCP<EvalVector>&  result) const ;

  /** */
  void evalCurveNormExpr(const CurveNormExpr* expr,
    RCP<EvalVector>&  result) const ;

  /** */
  void evalCellVectorExpr(const CellVectorExpr* expr,
    RCP<EvalVector>&  result) const ;

  /** */
  void evalDiscreteFuncElement(const DiscreteFuncElement* expr,
    const Array<MultiIndex>& mi,
    Array<RCP<EvalVector> >& result) const ;

  void showResults(std::ostream& os,
       const RCP<SparsitySuperset>& sparsity,
       const Array<RCP<EvalVector> >& vecResults,
       const Array<double>& constantResults) const ;

  /** */
  void setMediator(const RCP<AbstractEvalMediator>& med) 
    {mediator_ = med;}

  /** */
  void setVerb(int verb) ;


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

  /** */
  void setVecSize(int vecSize) {stack().setVecSize(vecSize);}
          

  /** Return a pointer to the mediator. We'll need the
   * mediator for computing framework-specific functions.
   */
  const AbstractEvalMediator* mediator() const {return mediator_.get();}

  /** */
  void setRegion(const EvalContext& region)
    {region_ = region;}

  /** */
  const EvalContext& getRegion() const {return region_;}

  /** */
  static TempStack& stack();

  /** */
  int getMaxDiffOrder() const ;


  /** */
  RCP<EvalVector> popVector() const ;

  /** */
  TEUCHOS_TIMER(coordEvalTimer, "coord function evaluation");

  /** */
  TEUCHOS_TIMER(discFuncEvalTimer, "discrete function evaluation");

private:
  int verb_;

  EvalContext region_;

  RCP<AbstractEvalMediator> mediator_;

};

}

#endif

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