Panzer_GatherSolution_Tpetra_Hessian.hpp

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#ifndef __Panzer_GatherSolution_Tpetra_Hessian_hpp__
#define __Panzer_GatherSolution_Tpetra_Hessian_hpp__
 
// only do this if required by the user
#ifdef Panzer_BUILD_HESSIAN_SUPPORT
 
// the includes for this file come in as a result of the includes in the main 
// Tpetra gather solution file
 
namespace panzer {
 
// **************************************************************
// Hessian Specialization
// **************************************************************
template<typename TRAITS,typename LO,typename GO,typename NodeT>
class GatherSolution_Tpetra<panzer::Traits::Hessian,TRAITS,LO,GO,NodeT>
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<panzer::Traits::Hessian, 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::Hessian,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::Hessian::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_;
 
  Teuchos::RCP<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_;
 
  GatherSolution_Tpetra();
};
 
}
 
#endif // end hessian support
 
#endif