Stokhos_ProductEpetraMultiVector.hpp

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// @HEADER
// *****************************************************************************
//                           Stokhos Package
//
// Copyright 2009 NTESS and the Stokhos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef STOKHOS_PRODUCT_EPETRA_MULTI_VECTOR_HPP
#define STOKHOS_PRODUCT_EPETRA_MULTI_VECTOR_HPP

#include "Stokhos_ProductContainer.hpp"
#include "Stokhos_VectorOrthogPolyTraitsEpetra.hpp"
#include "Epetra_BlockMap.h"
#include "EpetraExt_MultiComm.h"
#include "EpetraExt_BlockMultiVector.h"

namespace Stokhos {

  class ProductEpetraMultiVector : 
    public virtual ProductContainer<Epetra_MultiVector> {
  public:

    typedef double value_type;

    typedef int ordinal_type;


    ProductEpetraMultiVector();

    ProductEpetraMultiVector(
      const Teuchos::RCP<const Epetra_BlockMap>& block_map);

    ProductEpetraMultiVector(
      const Teuchos::RCP<const Epetra_BlockMap>& block_map,
      const Teuchos::RCP<const Epetra_BlockMap>& coeff_map,
      const Teuchos::RCP<const EpetraExt::MultiComm>& product_comm,
      int num_vectors);

    /*
     * This version supplies the generated product map \c product_map
     */
    ProductEpetraMultiVector(
      const Teuchos::RCP<const Epetra_BlockMap>& block_map,
      const Teuchos::RCP<const Epetra_BlockMap>& coeff_map,
      const Teuchos::RCP<const Epetra_BlockMap>& product_map,
      const Teuchos::RCP<const EpetraExt::MultiComm>& product_comm,
      int num_vectors);

    ProductEpetraMultiVector(
      const Teuchos::RCP<const Epetra_BlockMap>& block_map,
      const Teuchos::RCP<const Epetra_BlockMap>& coeff_map,
      const Teuchos::RCP<const Epetra_BlockMap>& product_map,
      const Teuchos::RCP<const EpetraExt::MultiComm>& product_comm,
      Epetra_DataAccess CV,
      const Epetra_MultiVector& block_vector);
    

    ProductEpetraMultiVector(const ProductEpetraMultiVector& v);

    virtual ~ProductEpetraMultiVector();


    ProductEpetraMultiVector& operator=(const ProductEpetraMultiVector& v);

    ProductEpetraMultiVector& operator=(const Epetra_MultiVector& v);

    void assignToBlockMultiVector(Epetra_MultiVector& v) const;

    void assignFromBlockMultiVector(const Epetra_MultiVector& v);
      
    Teuchos::RCP<const Epetra_BlockMap> coefficientMap() const;

    Teuchos::RCP<const Epetra_BlockMap> productMap() const;

    Teuchos::RCP<const EpetraExt::MultiComm> productComm() const;

    int numVectors() const;


    void reset(
      const Teuchos::RCP<const Epetra_BlockMap>& block_map,
      const Teuchos::RCP<const Epetra_BlockMap>& coeff_map,
      const Teuchos::RCP<const EpetraExt::MultiComm>& product_comm,
      int num_vectors);


    void reset(
      const Teuchos::RCP<const Epetra_BlockMap>& block_map,
      const Teuchos::RCP<const Epetra_BlockMap>& coeff_map,
      const Teuchos::RCP<const Epetra_BlockMap>& product_map,
      const Teuchos::RCP<const EpetraExt::MultiComm>& product_comm,
      int num_vectors);

    void resetCoefficients(Epetra_DataAccess CV,
         const Epetra_MultiVector& block_vector);

    Teuchos::RCP<EpetraExt::BlockMultiVector> getBlockMultiVector();

    Teuchos::RCP<const EpetraExt::BlockMultiVector> getBlockMultiVector() const;

    void setBlockMultiVector(
      const Teuchos::RCP<EpetraExt::BlockMultiVector>& block_vec);

  protected:

    Teuchos::RCP<const Epetra_BlockMap> coeff_map;

    Teuchos::RCP<const EpetraExt::MultiComm> product_comm;

    Teuchos::RCP<const Epetra_BlockMap> product_map;

    Teuchos::RCP<EpetraExt::BlockMultiVector> bv;

  }; // class ProductEpetraMultiVector

} // end namespace Stokhos

#endif  // STOKHOS_PRODUCT_EPETRA_MULTI_VECTOR_HPP