Stokhos_KLReducedMatrixFreeOperator.hpp

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// $Id: Stokhos_MatrixFreeEpetraOp.hpp,v 1.7 2009/09/14 18:35:48 etphipp Exp $ 
// $Source: /space/CVS/Trilinos/packages/stokhos/src/Stokhos_MatrixFreeEpetraOp.hpp,v $ 
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#ifndef STOKHOS_KL_REDUCED_MATRIX_FREE_OPERATOR_HPP
#define STOKHOS_KL_REDUCED_MATRIX_FREE_OPERATOR_HPP
 
#include "Stokhos_SGOperator.hpp"
#include "EpetraExt_MultiComm.h"
#include "Stokhos_OrthogPolyBasis.hpp"
#include "Stokhos_EpetraSparse3Tensor.hpp"
#include "Epetra_Map.h"
#include "Teuchos_ParameterList.hpp"
#include "Teuchos_Array.hpp"
 
#include "Epetra_MultiVector.h"
#include "Stokhos_VectorOrthogPoly.hpp"
#include "Stokhos_VectorOrthogPolyTraitsEpetra.hpp"
#include "Stokhos_EpetraVectorOrthogPoly.hpp"
#include "Stokhos_MatrixFreeOperator.hpp"
 
namespace Stokhos {
    
  class KLReducedMatrixFreeOperator : public Stokhos::SGOperator {
      
  public:
 
    KLReducedMatrixFreeOperator(
      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_Map>& domain_base_map,
      const Teuchos::RCP<const Epetra_Map>& range_base_map,
      const Teuchos::RCP<const Epetra_Map>& domain_sg_map,
      const Teuchos::RCP<const Epetra_Map>& range_sg_map,
      const Teuchos::RCP<Teuchos::ParameterList>& params);
    
    virtual ~KLReducedMatrixFreeOperator();
 
 
    virtual void setupOperator(
      const Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly >& poly);
 
    virtual Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > 
    getSGPolynomial();
 
    virtual Teuchos::RCP<const Stokhos::EpetraOperatorOrthogPoly > 
    getSGPolynomial() const;
 
 
    
    virtual int SetUseTranspose(bool UseTranspose);
    
    virtual int Apply(const Epetra_MultiVector& Input, 
                      Epetra_MultiVector& Result) const;
 
    virtual int ApplyInverse(const Epetra_MultiVector& X, 
                             Epetra_MultiVector& Y) const;
    
    virtual double NormInf() const;
    
    virtual const char* Label () const;
  
    virtual bool UseTranspose() const;
    
    virtual bool HasNormInf() const;
 
    virtual const Epetra_Comm & Comm() const;
 
    virtual const Epetra_Map& OperatorDomainMap () const;
 
    virtual const Epetra_Map& OperatorRangeMap () const;
 
 
  protected:
 
    void setup();
 
  private:
    
    KLReducedMatrixFreeOperator(const KLReducedMatrixFreeOperator&);
    
    KLReducedMatrixFreeOperator& operator=(const KLReducedMatrixFreeOperator&);
    
  protected:
    
    std::string label;
 
    Teuchos::RCP<const EpetraExt::MultiComm> sg_comm;
 
    Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> > sg_basis;
 
    Teuchos::RCP<const Stokhos::EpetraSparse3Tensor> epetraCijk;
    
    Teuchos::RCP<const Epetra_Map> domain_base_map;
 
    Teuchos::RCP<const Epetra_Map> range_base_map;
 
    Teuchos::RCP<const Epetra_Map> domain_sg_map;
 
    Teuchos::RCP<const Epetra_Map> range_sg_map;
 
    typedef Stokhos::Sparse3Tensor<int,double> Cijk_type;
 
    Teuchos::RCP<const Cijk_type> Cijk;
 
    Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly > block_ops;
 
    Teuchos::RCP<Teuchos::ParameterList> params;
 
    bool useTranspose;
 
    int expansion_size;
 
    int num_blocks;
 
    int num_KL;
 
    int num_KL_computed;
 
    Teuchos::RCP<Epetra_CrsMatrix> mean;
 
    Teuchos::RCP<Epetra_Map> block_vec_map;
 
    Teuchos::RCP< Stokhos::EpetraVectorOrthogPoly> block_vec_poly;
 
    Teuchos::Array< Teuchos::Array<double> > dot_products;
 
    Teuchos::RCP< Stokhos::Sparse3Tensor<int,double> > sparse_kl_coeffs;
 
    Teuchos::Array< Teuchos::RCP<Epetra_CrsMatrix> > kl_blocks;
 
    Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > kl_ops;
 
    Teuchos::RCP< Stokhos::MatrixFreeOperator > kl_mat_free_op;
 
    double drop_tolerance;
 
    bool do_error_tests;
 
  }; // class KLReducedMatrixFreeOperator
  
} // namespace Stokhos
 
#endif // STOKHOS_KL_REDUCED_MATRIX_FREE_OPERATOR_HPP