Panzer_UniqueGlobalIndexer_EpetraUtilities.hpp

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#ifndef __Panzer_UniqueGlobalIndexer_EpetraUtilities_decl_hpp__
#define __Panzer_UniqueGlobalIndexer_EpetraUtilities_decl_hpp__

#include <map>
#include <string>

#include <unordered_map>

#include <Panzer_NodeType.hpp>
#include <Epetra_Vector.h>
#include <Epetra_IntVector.h>
#include <Epetra_MultiVector.h>

#include "Panzer_UniqueGlobalIndexer.hpp"
#include "Panzer_FieldPattern.hpp"

namespace panzer {


template <typename LocalOrdinalT,typename GlobalOrdinalT>
Teuchos::RCP<Epetra_IntVector>
buildGhostedFieldReducedVectorEpetra(const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> & ugi);

template <typename LocalOrdinalT,typename GlobalOrdinalT,typename Node>
Teuchos::RCP<const Epetra_IntVector>
buildGhostedFieldVectorEpetra(const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> & ugi,
                              const Teuchos::RCP<const Epetra_IntVector> & reducedVec=Teuchos::null);

template <typename LocalOrdinalT,typename GlobalOrdinalT>
Teuchos::RCP<const Epetra_IntVector>
buildGhostedFieldVectorEpetra(const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> & ugi,
                              const Teuchos::RCP<const Epetra_IntVector> & reducedVec=Teuchos::null)
{ return buildGhostedFieldVectorEpetra<LocalOrdinalT,GlobalOrdinalT,panzer::TpetraNodeType>(ugi,reducedVec); }

template <typename LocalOrdinalT,typename GlobalOrdinalT,typename Node>
void buildGhostedFieldVectorEpetra(const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> & ugi,
                                   std::vector<int> & fieldNumbers,
                                   const Teuchos::RCP<const Epetra_IntVector> & reducedVec=Teuchos::null);

template <typename LocalOrdinalT,typename GlobalOrdinalT>
void buildGhostedFieldVectorEpetra(const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> & ugi,
                                   std::vector<int> & fieldNumbers,
                                   const Teuchos::RCP<const Epetra_IntVector> & reducedVec=Teuchos::null)
{ buildGhostedFieldVectorEpetra<LocalOrdinalT,GlobalOrdinalT,panzer::TpetraNodeType>(ugi,fieldNumbers,reducedVec); }

template <typename ScalarT,typename ArrayT,typename LocalOrdinalT,typename GlobalOrdinalT,typename Node>
void updateGhostedDataReducedVectorEpetra(const std::string & fieldName,const std::string blockId,
                                          const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> & ugi,
                                          const ArrayT & data,
                                          Epetra_MultiVector & dataVector);

Teuchos::RCP<const Epetra_BlockMap>
getFieldMapEpetra(int fieldNum,const Epetra_IntVector & fieldVector);


template <typename LocalOrdinalT,typename GlobalOrdinalT,typename Node>
class ArrayToFieldVectorEpetra {
public:
   ArrayToFieldVectorEpetra(const Teuchos::RCP<const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> > & ugi);

   template <typename ScalarT,typename ArrayT>
   Teuchos::RCP<Epetra_MultiVector>
   getGhostedDataVector(const std::string & fieldName,const std::map<std::string,ArrayT> & data) const;

   template <typename ScalarT,typename ArrayT>
   Teuchos::RCP<Epetra_MultiVector>
   getDataVector(const std::string & fieldName,const std::map<std::string,ArrayT> & data) const;

   Teuchos::RCP<const Epetra_Map>
   getFieldMap(const std::string & fieldName) const;

   Teuchos::RCP<const Epetra_Map>
   getFieldMap(int fieldNum) const;

protected:
   typedef Epetra_IntVector IntVector;
   typedef Epetra_MultiVector MultiVector;
   typedef Epetra_BlockMap Map;

   void buildFieldVector(const Epetra_IntVector & source) const;

   Teuchos::RCP<const UniqueGlobalIndexer<LocalOrdinalT,GlobalOrdinalT> > ugi_;

   Teuchos::RCP<const IntVector> gh_reducedFieldVector_; 
   Teuchos::RCP<const IntVector> gh_fieldVector_;        

   mutable std::map<int,Teuchos::RCP<const Map> > gh_reducedFieldMaps_; 
   mutable std::map<int,Teuchos::RCP<const Map> > gh_fieldMaps_;        

   mutable Teuchos::RCP<const IntVector> fieldVector_;               
   mutable std::map<int,Teuchos::RCP<const Map> > fieldMaps_;        

private:
   // hide some constructors
   ArrayToFieldVectorEpetra();
   ArrayToFieldVectorEpetra(const ArrayToFieldVectorEpetra &);
};


} // end namspace panzer

#include "Panzer_UniqueGlobalIndexer_EpetraUtilities_impl.hpp"

#endif