Panzer_ResponseScatterEvaluator_ExtremeValue.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef __Panzer_ResponseScatterEvaluator_ExtremeValue_hpp__
#define __Panzer_ResponseScatterEvaluator_ExtremeValue_hpp__
 
#include <iostream>
#include <string>
 
#include "PanzerDiscFE_config.hpp"
#include "Panzer_Dimension.hpp"
#include "Panzer_CellData.hpp"
#include "Panzer_Response_ExtremeValue.hpp"
#include "Panzer_UniqueGlobalIndexer.hpp"
 
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
 
#include "Panzer_Evaluator_WithBaseImpl.hpp"
 
namespace panzer {
 
class ExtremeValueScatterBase {
public:
  virtual ~ExtremeValueScatterBase() {}
 
  virtual void scatterDerivative(const PHX::MDField<const panzer::Traits::Jacobian::ScalarT,panzer::Cell> & cellExtremeValue,
                                 panzer::Traits::EvalData workset, 
                                 WorksetDetailsAccessor& wda,
                                 Teuchos::ArrayRCP<double> & dgdx) const = 0;
};
 
template <typename LO,typename GO>
class ExtremeValueScatter : public ExtremeValueScatterBase {
public:
   ExtremeValueScatter(const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & globalIndexer)
     : globalIndexer_(globalIndexer) { }
 
   void scatterDerivative(const PHX::MDField<const panzer::Traits::Jacobian::ScalarT,panzer::Cell> & cellExtremeValue,
                         panzer::Traits::EvalData workset, 
                         WorksetDetailsAccessor& wda,
                         Teuchos::ArrayRCP<double> & dgdx) const;
private:
 
   Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > globalIndexer_;
};
 
template<typename EvalT, typename Traits>
class ResponseScatterEvaluator_ExtremeValue : public panzer::EvaluatorWithBaseImpl<Traits>,
                                            public PHX::EvaluatorDerived<EvalT, Traits>  { 
public:
 
  ResponseScatterEvaluator_ExtremeValue(const std::string & name,const CellData & cd,
                                        bool useMax,
                                        const Teuchos::RCP<ExtremeValueScatterBase> & functionalScatter);
  ResponseScatterEvaluator_ExtremeValue(const std::string & extremeName,const std::string & responseName,const CellData & cd,
                                        bool useMax,
                                        const Teuchos::RCP<ExtremeValueScatterBase> & functionalScatter);
 
  void evaluateFields(typename Traits::EvalData d);
 
  void preEvaluate(typename Traits::PreEvalData d);
 
private:
  typedef typename EvalT::ScalarT ScalarT;
 
  std::string responseName_;
  Teuchos::RCP<Response_ExtremeValue<EvalT> > responseObj_;
 
  Teuchos::RCP<PHX::FieldTag> scatterHolder_; // dummy target
  PHX::MDField<const ScalarT,panzer::Cell> cellExtremeValue_; // holds cell integrals
  Teuchos::RCP<ExtremeValueScatterBase> scatterObj_;
  bool useMax_;
};
 
template <typename LO,typename GO>
void ExtremeValueScatter<LO,GO>::scatterDerivative(
                                        const PHX::MDField<const panzer::Traits::Jacobian::ScalarT,panzer::Cell> & cellExtremeValue,
                                        panzer::Traits::EvalData workset, 
                                        WorksetDetailsAccessor& wda,
                                        Teuchos::ArrayRCP<double> & dgdx) const
{
  TEUCHOS_ASSERT(false);
}
 
}
 
#endif