Panzer_GlobalIndexer_EpetraUtilities.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_GlobalIndexer_EpetraUtilities_decl_hpp__
#define __Panzer_GlobalIndexer_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_GlobalIndexer.hpp"
#include "Panzer_FieldPattern.hpp"

namespace panzer {


Teuchos::RCP<Epetra_IntVector>
buildGhostedFieldReducedVectorEpetra(const GlobalIndexer & ugi);

Teuchos::RCP<const Epetra_IntVector>
buildGhostedFieldVectorEpetra(const GlobalIndexer & ugi,
                              const Teuchos::RCP<const Epetra_IntVector> & reducedVec=Teuchos::null);

void buildGhostedFieldVectorEpetra(const GlobalIndexer & ugi,
                                   std::vector<int> & fieldNumbers,
                                   const Teuchos::RCP<const Epetra_IntVector> & reducedVec=Teuchos::null);

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

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


class ArrayToFieldVectorEpetra {
public:
   ArrayToFieldVectorEpetra(const Teuchos::RCP<const GlobalIndexer> & 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 GlobalIndexer> 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_GlobalIndexer_EpetraUtilities_impl.hpp"

#endif