SundanceSubtypeEvaluator.hpp

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/* @HEADER@ */

#ifndef SUNDANCE_SUBTYPEEVALUATOR_H
#define SUNDANCE_SUBTYPEEVALUATOR_H

#include "SundanceDefs.hpp"
#include "SundanceEvaluator.hpp"
#include "SundanceEvaluatableExpr.hpp"

namespace Sundance 
{
class EvalContext;


/**
 * 
 */
template <class ExprType> class SubtypeEvaluator : public Evaluator
{
public:
  /** */
  SubtypeEvaluator(const ExprType* expr,
    const EvalContext& context)
    : Evaluator(), 
      expr_(expr), 
      sparsity_(expr_->sparsitySuperset(context))
    {
      this->setVerb(Evaluator::classVerbosity());
    }

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


      
  /** */
  const RCP<SparsitySuperset>& sparsity() const {return sparsity_;}

protected:
  /** */
  const ExprType* expr() const {return expr_;}

  /** */
  const MultipleDeriv& vectorResultDeriv(int iVec) const 
    {
      return this->sparsity()->deriv(vectorIndices()[iVec]);
    }

  /** */
  const MultipleDeriv& constantResultDeriv(int iConst) const 
    {
      return this->sparsity()->deriv(constantIndices()[iConst]);
    }

private:
  const ExprType* expr_;

  RCP<SparsitySuperset> sparsity_;
};
   
}




#endif