Panzer_GatherSolution_Tpetra_decl.hpp

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#ifndef PANZER_EVALUATOR_GATHER_SOLUTION_TPETRA_DECL_HPP
#define PANZER_EVALUATOR_GATHER_SOLUTION_TPETRA_DECL_HPP

#include "Phalanx_config.hpp"
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
#include "Phalanx_KokkosViewOfViews.hpp"

#include "Teuchos_ParameterList.hpp"

#include "PanzerDiscFE_config.hpp"
#include "Panzer_Dimension.hpp"
#include "Panzer_Traits.hpp"
#include "Panzer_CloneableEvaluator.hpp"
#include "Panzer_TpetraLinearObjContainer.hpp"

#include"Panzer_NodeType.hpp"

#include "Panzer_Evaluator_WithBaseImpl.hpp"

#include "Panzer_Evaluator_WithBaseImpl.hpp"

namespace panzer {

class GlobalIndexer; //forward declaration

template<typename EvalT, typename Traits,typename LO,typename GO,typename NodeT=panzer::TpetraNodeType>
class GatherSolution_Tpetra;

// **************************************************************
// **************************************************************
// * Specializations
// **************************************************************
// **************************************************************


// **************************************************************
// Residual
// **************************************************************
template<typename TRAITS,typename LO,typename GO,typename NodeT>
class GatherSolution_Tpetra<panzer::Traits::Residual,TRAITS,LO,GO,NodeT>
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<panzer::Traits::Residual, TRAITS>,
    public panzer::CloneableEvaluator  {


public:

  GatherSolution_Tpetra(const Teuchos::RCP<const panzer::GlobalIndexer> & indexer) :
     globalIndexer_(indexer) {}

  GatherSolution_Tpetra(const Teuchos::RCP<const panzer::GlobalIndexer> & indexer,
                        const Teuchos::ParameterList& p);

  void postRegistrationSetup(typename TRAITS::SetupData d,
                             PHX::FieldManager<TRAITS>& vm);

  void preEvaluate(typename TRAITS::PreEvalData d);

  void evaluateFields(typename TRAITS::EvalData d);

  virtual Teuchos::RCP<CloneableEvaluator> clone(const Teuchos::ParameterList & pl) const
  { return Teuchos::rcp(new GatherSolution_Tpetra<panzer::Traits::Residual,TRAITS,LO,GO,NodeT>(globalIndexer_,pl)); }

  // for testing purposes
  const PHX::FieldTag & getFieldTag(int i) const
  { TEUCHOS_ASSERT(i < Teuchos::as<int>(gatherFields_.size())); return gatherFields_[i].fieldTag(); }

private:

  typedef typename panzer::Traits::Residual EvalT;
  typedef typename panzer::Traits::Residual::ScalarT ScalarT;

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

  std::vector< PHX::MDField<ScalarT,Cell,NODE> > gatherFields_;

  std::vector<std::string> indexerNames_;
  bool useTimeDerivativeSolutionVector_;
  std::string globalDataKey_; // what global data does this fill?

  Teuchos::RCP<const TpetraLinearObjContainer<double,LO,GO,NodeT> > tpetraContainer_;

  // Fields for storing tangent components dx/dp of solution vector x
  // These are not actually used by the residual specialization of this evaluator,
  // even if they are supplied, but it is useful to declare them as dependencies anyway
  // when saving the tangent components to the output file
  bool has_tangent_fields_;
  std::vector< std::vector< PHX::MDField<const ScalarT,Cell,NODE> > > tangentFields_;

  PHX::View<int**> scratch_lids_;
  std::vector<PHX::View<int*> > scratch_offsets_;

  GatherSolution_Tpetra();
};

// **************************************************************
// Tangent
// **************************************************************
template<typename TRAITS,typename LO,typename GO,typename NodeT>
class GatherSolution_Tpetra<panzer::Traits::Tangent,TRAITS,LO,GO,NodeT>
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<panzer::Traits::Tangent, TRAITS>,
    public panzer::CloneableEvaluator  {


public:

  GatherSolution_Tpetra(const Teuchos::RCP<const panzer::GlobalIndexer> & indexer) :
     globalIndexer_(indexer) {}

  GatherSolution_Tpetra(const Teuchos::RCP<const panzer::GlobalIndexer> & indexer,
                        const Teuchos::ParameterList& p);

  void postRegistrationSetup(typename TRAITS::SetupData d,
                             PHX::FieldManager<TRAITS>& vm);

  void preEvaluate(typename TRAITS::PreEvalData d);

  void evaluateFields(typename TRAITS::EvalData d);

  virtual Teuchos::RCP<CloneableEvaluator> clone(const Teuchos::ParameterList & pl) const
  { return Teuchos::rcp(new GatherSolution_Tpetra<panzer::Traits::Tangent,TRAITS,LO,GO,NodeT>(globalIndexer_,pl)); }

private:

  typedef typename panzer::Traits::Tangent EvalT;
  typedef typename panzer::Traits::Tangent::ScalarT ScalarT;
  typedef typename panzer::Traits::RealType RealT;

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

  std::vector< PHX::MDField<ScalarT,Cell,NODE> > gatherFields_;
  PHX::ViewOfViews3<1,PHX::View<ScalarT**>> gatherFieldsVoV_;

  std::vector<std::string> indexerNames_;
  bool useTimeDerivativeSolutionVector_;
  std::string globalDataKey_; // what global data does this fill?

  Teuchos::RCP<const TpetraLinearObjContainer<double,LO,GO,NodeT> > tpetraContainer_;

  // Fields for storing tangent components dx/dp of solution vector x
  bool has_tangent_fields_;
  std::vector< std::vector< PHX::MDField<const RealT,Cell,NODE> > > tangentFields_;
  PHX::ViewOfViews3<2,PHX::View<const RealT**>> tangentFieldsVoV_;
  PHX::View<size_t*> tangentInnerVectorSizes_;

  GatherSolution_Tpetra();
};

// **************************************************************
// Jacobian
// **************************************************************
template<typename TRAITS,typename LO,typename GO,typename NodeT>
class GatherSolution_Tpetra<panzer::Traits::Jacobian,TRAITS,LO,GO,NodeT>
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<panzer::Traits::Jacobian, TRAITS>,
    public panzer::CloneableEvaluator  {

public:
  GatherSolution_Tpetra(const Teuchos::RCP<const panzer::GlobalIndexer> & indexer) :
     globalIndexer_(indexer) {}

  GatherSolution_Tpetra(const Teuchos::RCP<const panzer::GlobalIndexer> & indexer,
                        const Teuchos::ParameterList& p);

  void postRegistrationSetup(typename TRAITS::SetupData d,
                             PHX::FieldManager<TRAITS>& vm);

  void preEvaluate(typename TRAITS::PreEvalData d);

  void evaluateFields(typename TRAITS::EvalData d);

  virtual Teuchos::RCP<CloneableEvaluator> clone(const Teuchos::ParameterList & pl) const
  { return Teuchos::rcp(new GatherSolution_Tpetra<panzer::Traits::Jacobian,TRAITS,LO,GO,NodeT>(globalIndexer_,pl)); }

  KOKKOS_INLINE_FUNCTION
  void operator()(const int cell) const;


  // No seeding of the AD fuctor
  struct NoSeed {};
  KOKKOS_INLINE_FUNCTION
  void operator()(const NoSeed,const int cell) const;

private:

  typedef typename panzer::Traits::Jacobian EvalT;
  typedef typename panzer::Traits::Jacobian::ScalarT ScalarT;

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

  std::vector< PHX::MDField<ScalarT,Cell,NODE> > gatherFields_;

  std::vector<std::string> indexerNames_;
  bool useTimeDerivativeSolutionVector_;
  bool disableSensitivities_;     // This disables sensitivities absolutely
  std::string sensitivitiesName_; // This sets which gather operations have sensitivities
  bool applySensitivities_;       // This is a local variable that is used by evaluateFields
                                  // to turn on/off a certain set of sensitivities
  std::string globalDataKey_; // what global data does this fill?
  int gatherSeedIndex_; // what gather seed in the workset to use
                        // if less than zero then use alpha or beta
                        // as appropriate

  Teuchos::RCP<const TpetraLinearObjContainer<double,LO,GO,NodeT> > tpetraContainer_;
  Teuchos::RCP<typename TpetraLinearObjContainer<double,LO,GO,NodeT>::VectorType> x_vector;

  GatherSolution_Tpetra();

  PHX::View<int**> scratch_lids_;
  std::vector<PHX::View<int*> > scratch_offsets_;

  // functor data
  struct {
    // input values
    PHX::View<const LO**> lids;    // local indices for unknowns
    PHX::View<const int*> offsets; // how to get a particular field
    Kokkos::View<const double**, Kokkos::LayoutLeft,PHX::Device> x_data;
    double seed_value;                            // AD seed information
    int dos;                                    // Offset for special interface bc

    // output fields
    PHX::MDField<ScalarT,Cell,NODE> field;
  } functor_data;
};

}

#ifdef Panzer_BUILD_HESSIAN_SUPPORT
#include "Panzer_GatherSolution_Tpetra_Hessian.hpp"
#endif

// **************************************************************
#endif