Panzer_ScatterResidual_EpetraSG_decl.hpp

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//           Panzer: A partial differential equation assembly
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#ifdef HAVE_STOKHOS
#ifndef PANZER_EVALUATOR_SCATTER_RESIDUAL_EPETRA_SG_DECL_HPP
#define PANZER_EVALUATOR_SCATTER_RESIDUAL_EPETRA_SG_DECL_HPP

#include "Panzer_SGEpetraLinearObjContainer.hpp"

#include "Panzer_Evaluator_WithBaseImpl.hpp"

namespace panzer {

// **************************************************************
// SGResidual 
// **************************************************************
template<typename TRAITS,typename LO,typename GO>
class ScatterResidual_Epetra<panzer::Traits::SGResidual,TRAITS,LO,GO>
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<panzer::Traits::SGResidual, TRAITS>,
    public panzer::CloneableEvaluator {
  
public:
  ScatterResidual_Epetra(const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & indexer,
                         const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & cIndexer,
                         bool useDiscreteAdjoint=false) 
     : globalIndexer_(indexer),useDiscreteAdjoint_(useDiscreteAdjoint)  {}
  
  ScatterResidual_Epetra(const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & indexer,
                         const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & cIndexer,
                         const Teuchos::ParameterList& p,
                         bool=false);
  
  void postRegistrationSetup(typename TRAITS::SetupData d,
           PHX::FieldManager<TRAITS>& vm);

  void preEvaluate(typename TRAITS::PreEvalData d);
  
  void evaluateFields(typename TRAITS::EvalData workset);
  
  virtual Teuchos::RCP<CloneableEvaluator> clone(const Teuchos::ParameterList & pl) const
  { return Teuchos::rcp(new ScatterResidual_Epetra<panzer::Traits::SGResidual,TRAITS,LO,GO>(globalIndexer_,Teuchos::null,pl)); }

private:
  typedef typename panzer::Traits::SGResidual::ScalarT ScalarT;

  // dummy field so that the evaluator will have something to do
  Teuchos::RCP<PHX::FieldTag> scatterHolder_;

  // fields that need to be scattered will be put in this vector
  std::vector< PHX::MDField<ScalarT,Cell,NODE> > scatterFields_;

  // maps the local (field,element,basis) triplet to a global ID
  // for scattering
  Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > globalIndexer_;
  std::vector<int> fieldIds_; // field IDs needing mapping

  // This maps the scattered field names to the DOF manager field
  // For instance a Navier-Stokes map might look like
  //    fieldMap_["RESIDUAL_Velocity"] --> "Velocity"
  //    fieldMap_["RESIDUAL_Pressure"] --> "Pressure"
  Teuchos::RCP<const std::map<std::string,std::string> > fieldMap_;

  std::string globalDataKey_; // what global data does this fill?
  Teuchos::RCP<SGEpetraLinearObjContainer> sgEpetraContainer_;

  bool useDiscreteAdjoint_;
};

// **************************************************************
// SGJacobian
// **************************************************************
template<typename TRAITS,typename LO,typename GO>
class ScatterResidual_Epetra<panzer::Traits::SGJacobian,TRAITS,LO,GO>
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<panzer::Traits::SGJacobian, TRAITS>, 
    public panzer::CloneableEvaluator {
  
public:
  
  ScatterResidual_Epetra(const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & indexer,
                         const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & cIndexer,
                         bool useDiscreteAdjoint=false) 
     : globalIndexer_(indexer),useDiscreteAdjoint_(useDiscreteAdjoint)  {}

  ScatterResidual_Epetra(const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & indexer,
                         const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & cIndexer,
                         const Teuchos::ParameterList& pl,
                         bool=false);
  
  void postRegistrationSetup(typename TRAITS::SetupData d,
           PHX::FieldManager<TRAITS>& vm);

  void preEvaluate(typename TRAITS::PreEvalData d);
  
  void evaluateFields(typename TRAITS::EvalData workset);
  
  virtual Teuchos::RCP<CloneableEvaluator> clone(const Teuchos::ParameterList & pl) const
  { return Teuchos::rcp(new ScatterResidual_Epetra<panzer::Traits::SGJacobian,TRAITS,LO,GO>(globalIndexer_,Teuchos::null,pl)); }

private:

  typedef typename panzer::Traits::SGJacobian::ScalarT ScalarT;

  // dummy field so that the evaluator will have something to do
  Teuchos::RCP<PHX::FieldTag> scatterHolder_;

  // fields that need to be scattered will be put in this vector
  std::vector< PHX::MDField<ScalarT,Cell,NODE> > scatterFields_;

  // maps the local (field,element,basis) triplet to a global ID
  // for scattering
  Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > globalIndexer_;
  std::vector<int> fieldIds_; // field IDs needing mapping

  // This maps the scattered field names to the DOF manager field
  // For instance a Navier-Stokes map might look like
  //    fieldMap_["RESIDUAL_Velocity"] --> "Velocity"
  //    fieldMap_["RESIDUAL_Pressure"] --> "Pressure"
  Teuchos::RCP<const std::map<std::string,std::string> > fieldMap_;

  std::string globalDataKey_; // what global data does this fill?
  Teuchos::RCP<SGEpetraLinearObjContainer> sgEpetraContainer_;

  bool useDiscreteAdjoint_;

  ScatterResidual_Epetra();
};

}

#endif
#endif