Stokhos_InterlacedOperator.hpp

Go to the documentation of this file.

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

#ifndef STOKHOS_INTERLACED_OPERATOR_HPP
#define STOKHOS_INTERLACED_OPERATOR_HPP

#include "Stokhos_SGOperator.hpp"
#include "EpetraExt_MultiComm.h"
#include "Stokhos_OrthogPolyBasis.hpp"
#include "Stokhos_EpetraSparse3Tensor.hpp"
#include "Teuchos_ParameterList.hpp"
#include "EpetraExt_BlockCrsMatrix.h"
#include <vector>

namespace Stokhos {
    
  class InterlacedOperator : 
    public Stokhos::SGOperator, 
    public EpetraExt::BlockCrsMatrix {
      
  public:

    InterlacedOperator(
      const Teuchos::RCP<const EpetraExt::MultiComm>& sg_comm,
      const Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> >& sg_basis,
      const Teuchos::RCP<const Stokhos::EpetraSparse3Tensor>& epetraCijk,
      const Teuchos::RCP<const Epetra_CrsGraph>& base_graph,
      const Teuchos::RCP<Teuchos::ParameterList>& params);
    
    virtual ~InterlacedOperator();


    virtual void setupOperator(
      const Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly >& poly);

    virtual Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > 
    getSGPolynomial();

    virtual Teuchos::RCP<const Stokhos::EpetraOperatorOrthogPoly > 
    getSGPolynomial() const;


    void SumIntoGlobalBlock_Deterministic(double alpha,const Epetra_RowMatrix & determBlock,int Row,int Col);

  private:
    
    InterlacedOperator(const InterlacedOperator&);
    
    InterlacedOperator& operator=(const InterlacedOperator&);
    
  protected:

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

    Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> > sg_basis;

    Teuchos::RCP<const Stokhos::EpetraSparse3Tensor> epetraCijk;

    typedef Stokhos::Sparse3Tensor<int,double> Cijk_type;

    Teuchos::RCP<const Cijk_type> Cijk;

    Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly > block_ops;

    bool scale_op;

    bool include_mean;
    
    bool only_use_linear;

    int determOffset_;

  }; // class InterlacedOperator
  
} // namespace Stokhos

#endif // STOKHOS_INTERLACED_OPERATOR_HPP