Panzer_GatherTangent_BlockedTpetra.hpp

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// @HEADER
// *****************************************************************************
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//
// Copyright 2011 NTESS and the Panzer contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef PANZER_EVALUATOR_GATHER_TANGENT_BLOCKEDTPETRA_DECL_HPP
#define PANZER_EVALUATOR_GATHER_TANGENT_BLOCKEDTPETRA_DECL_HPP
 
#include "Phalanx_config.hpp"
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
 
#include "Teuchos_ParameterList.hpp"
 
#include "PanzerDiscFE_config.hpp"
#include "Panzer_Dimension.hpp"
#include "Panzer_Traits.hpp"
#include "Panzer_CloneableEvaluator.hpp"
 
#include "Panzer_BlockedVector_ReadOnly_GlobalEvaluationData.hpp"
#include "Panzer_Evaluator_WithBaseImpl.hpp"
 
namespace panzer {
 
template <typename ScalarT,typename LocalOrdinalT,typename GlobalOrdinalT,typename NodeT>
class BlockedTpetraLinearObjContainer;
 
class GlobalIndexer;
class BlockedDOFManager;
 
template <typename EvalT,typename TRAITS,typename S,typename LO,typename GO,typename NodeT=panzer::TpetraNodeType>
class GatherTangent_BlockedTpetra
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<EvalT, TRAITS>,
    public panzer::CloneableEvaluator  {
public:
 
   GatherTangent_BlockedTpetra(const Teuchos::RCP<const BlockedDOFManager> & indexer)
     : globalIndexer_(indexer) {}
 
   GatherTangent_BlockedTpetra(const Teuchos::RCP<const BlockedDOFManager> & 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 GatherTangent_BlockedTpetra<EvalT,TRAITS,S,LO,GO>(globalIndexer_,pl)); }
 
private:
 
  // We always use RealType for gathering as we never compute derivatives for this evaluator
  typedef typename panzer::Traits::RealType ScalarT;
  //typedef typename EvalT::ScalarT ScalarT;
 
  typedef BlockedTpetraLinearObjContainer<S,LO,GO,NodeT> ContainerType;
  typedef Tpetra::Vector<S,LO,GO,NodeT> VectorType;
  typedef Tpetra::CrsMatrix<S,LO,GO,NodeT> CrsMatrixType;
  typedef Tpetra::CrsGraph<LO,GO,NodeT> CrsGraphType;
  typedef Tpetra::Map<LO,GO,NodeT> MapType;
  typedef Tpetra::Import<LO,GO,NodeT> ImportType;
  typedef Tpetra::Export<LO,GO,NodeT> ExportType;
 
  // maps the local (field,element,basis) triplet to a global ID
  // for scattering
  Teuchos::RCP<const BlockedDOFManager> globalIndexer_;
 
  std::vector<int> fieldIds_; // field IDs needing mapping
 
  std::vector<Teuchos::RCP<const panzer::GlobalIndexer>> fieldGlobalIndexers_;
 
  std::vector<int> productVectorBlockIndex_;
 
  std::vector< PHX::MDField<ScalarT,Cell,NODE> > gatherFields_;
 
  Teuchos::RCP<std::vector<std::string> > indexerNames_;
  bool useTimeDerivativeSolutionVector_;
  std::string globalDataKey_; // what global data does this fill?
 
  // The tangent gather source, resolved in preEvaluate(). Exactly one of these
  // is set: a linear object container, or the blocked read-only ghosted vector
  // the model evaluator hands out for tangent gather containers.
  Teuchos::RCP<const BlockedTpetraLinearObjContainer<S,LO,GO,NodeT> > blockedContainer_;
  Teuchos::RCP<panzer::BlockedVector_ReadOnly_GlobalEvaluationData> xBvRoGed_;
 
  PHX::View<LO**> worksetLIDs_;
 
  std::vector<PHX::View<int*>> fieldOffsets_;
 
  GatherTangent_BlockedTpetra();
};
 
}
 
#include "Panzer_GatherTangent_BlockedTpetra_impl.hpp"
 
// **************************************************************
#endif