Panzer_ScatterDirichletResidual_Epetra_Hessian.hpp

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#ifndef __Panzer_ScatterDirichletResidual_Epetra_Hessian_hpp__
#define __Panzer_ScatterDirichletResidual_Epetra_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 
// Epetra scatter dirichlet residual file

namespace panzer {

// **************************************************************
// Hessian Specialization
// **************************************************************
template<typename TRAITS,typename LO,typename GO>
class ScatterDirichletResidual_Epetra<panzer::Traits::Hessian,TRAITS,LO,GO>
  : public panzer::EvaluatorWithBaseImpl<TRAITS>,
    public PHX::EvaluatorDerived<panzer::Traits::Hessian, TRAITS>,
    public panzer::CloneableEvaluator  {
  
public:
  ScatterDirichletResidual_Epetra(const Teuchos::RCP<const GlobalIndexer> & indexer,
                                  const Teuchos::RCP<const panzer::GlobalIndexer> & cIndexer=Teuchos::null)
     : globalIndexer_(indexer), colGlobalIndexer_(cIndexer) {}
  
  ScatterDirichletResidual_Epetra(const Teuchos::RCP<const GlobalIndexer> & indexer,
                                  const Teuchos::RCP<const panzer::GlobalIndexer> & cIndexer,
                                  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 workset);
  
  virtual Teuchos::RCP<CloneableEvaluator> clone(const Teuchos::ParameterList & pl) const
  { return Teuchos::rcp(new ScatterDirichletResidual_Epetra<panzer::Traits::Hessian,TRAITS,LO,GO>(globalIndexer_,colGlobalIndexer_,pl)); }

private:
  typedef typename panzer::Traits::Hessian::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<const ScalarT,Cell,NODE> > scatterFields_;

  // maps the local (field,element,basis) triplet to a global ID
  // for scattering
  Teuchos::RCP<const panzer::GlobalIndexer> globalIndexer_, colGlobalIndexer_;
  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::size_t num_nodes;
  std::size_t num_eq;

  std::size_t side_subcell_dim_;
  std::size_t local_side_id_;

  Teuchos::RCP<Epetra_Vector> dirichletCounter_;

  std::string globalDataKey_; // what global data does this fill?
  Teuchos::RCP<const EpetraLinearObjContainer> epetraContainer_;

  bool preserveDiagonal_;

  bool checkApplyBC_;

  // Allows runtime disabling of dirichlet BCs on node-by-node basis
  std::vector< PHX::MDField<const bool,Cell,NODE> > applyBC_;

  ScatterDirichletResidual_Epetra();
};

}

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

#endif