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Panzer_GatherTangent_Epetra_decl.hpp
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42 
43 #ifndef PANZER_EVALUATOR_GATHER_TANGENT_EPETRA_DECL_HPP
44 #define PANZER_EVALUATOR_GATHER_TANGENT_EPETRA_DECL_HPP
45 
46 #include "Phalanx_config.hpp"
47 #include "Phalanx_Evaluator_Macros.hpp"
48 #include "Phalanx_MDField.hpp"
49 
50 #include "Teuchos_ParameterList.hpp"
51 
52 #include "PanzerDiscFE_config.hpp"
53 #include "Panzer_Dimension.hpp"
54 #include "Panzer_Traits.hpp"
56 
58 
59 class Epetra_Vector;
60 class Epetra_CrsMatrix;
61 
62 namespace panzer {
63 
64 template <typename LocalOrdinalT,typename GlobalOrdinalT>
65 class UniqueGlobalIndexer; //forward declaration
66 
78 template<typename EvalT,typename TRAITS,typename LO,typename GO>
80  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
81  public PHX::EvaluatorDerived<EvalT, TRAITS>,
83 public:
84 
85  GatherTangent_Epetra(const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & indexer) :
86  globalIndexer_(indexer) {}
87 
88  GatherTangent_Epetra(const Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > & indexer,
89  const Teuchos::ParameterList& p);
90 
91  void postRegistrationSetup(typename TRAITS::SetupData d,
93 
94  void preEvaluate(typename TRAITS::PreEvalData d);
95 
96  void evaluateFields(typename TRAITS::EvalData d);
97 
98  virtual Teuchos::RCP<CloneableEvaluator> clone(const Teuchos::ParameterList & pl) const
99  { return Teuchos::rcp(new GatherTangent_Epetra<EvalT,TRAITS,LO,GO>(globalIndexer_,pl)); }
100 
101 private:
102 
103  // We always use RealType for gathering as we never compute derivatives for this evaluator
104  //typedef typename panzer::Traits::RealType ScalarT;
105  typedef typename EvalT::ScalarT ScalarT;
106 
107  // maps the local (field,element,basis) triplet to a global ID
108  // for scattering
109  Teuchos::RCP<const panzer::UniqueGlobalIndexer<LO,GO> > globalIndexer_;
110  std::vector<int> fieldIds_; // field IDs needing mapping
111 
112  std::vector< PHX::MDField<ScalarT,Cell,NODE> > gatherFields_;
113 
114  Teuchos::RCP<std::vector<std::string> > indexerNames_;
116  std::string globalDataKey_; // what global data does this fill?
117 
118  Teuchos::RCP<Epetra_Vector> dxdp_;
119 
121 };
122 
123 }
124 
125 // **************************************************************
126 #endif
Teuchos::RCP< std::vector< std::string > > indexerNames_
GatherTangent_Epetra(const Teuchos::RCP< const panzer::UniqueGlobalIndexer< LO, GO > > &indexer)
void postRegistrationSetup(typename TRAITS::SetupData d, PHX::FieldManager< TRAITS > &vm)
virtual Teuchos::RCP< CloneableEvaluator > clone(const Teuchos::ParameterList &pl) const
Wrapper to PHX::EvaluatorWithBaseImpl that implements Panzer-specific helpers.
std::vector< PHX::MDField< ScalarT, Cell, NODE > > gatherFields_
Gathers tangent vectors dx/dp for computing df/dx*dx/dp + df/dp into the nodal fields of the field ma...
Teuchos::RCP< const panzer::UniqueGlobalIndexer< LO, GO > > globalIndexer_
void preEvaluate(typename TRAITS::PreEvalData d)
Non-templated empty base class for template managers.
void evaluateFields(typename TRAITS::EvalData d)