Stokhos_DiagEpetraOp.hpp

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#ifndef STOKHOS_DIAG_EPETRA_OP_HPP
#define STOKHOS_DIAG_EPETRA_OP_HPP
 
#include "Teuchos_RCP.hpp"
#include "Teuchos_Array.hpp"
#include "Teuchos_Time.hpp"
 
#include "Epetra_Operator.h"
#include "Epetra_Map.h"
#include "Epetra_Comm.h"
#include "Epetra_MultiVector.h"
#include "Stokhos_OrthogPolyBasis.hpp"
#include "Stokhos_Sparse3Tensor.hpp"
#include "Stokhos_VectorOrthogPoly.hpp"
#include "Stokhos_VectorOrthogPolyTraitsEpetra.hpp"
 
namespace Stokhos {
    
  class DiagEpetraOp : public Epetra_Operator {
      
  public:
 
    DiagEpetraOp(
      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<const Stokhos::OrthogPolyBasis<int,double> >& sg_basis,
      const Teuchos::RCP<const Stokhos::Sparse3Tensor<int,double> >& Cijk,
      const Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly >& ops);
    
    virtual ~DiagEpetraOp();
 
    virtual void 
    reset(const Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly >& ops);
 
    virtual Teuchos::RCP<const Stokhos::EpetraOperatorOrthogPoly >
    getOperatorBlocks() const;
 
    virtual Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly >
    getOperatorBlocks();
    
    virtual int SetUseTranspose(bool UseTranspose);
    
    virtual int Apply(std::vector< Teuchos::RCP< const Epetra_CrsMatrix> >& sg_J_all, std::vector< Teuchos::RCP< Epetra_CrsMatrix> >& sg_Kkk_all) 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;
 
    virtual const double ApplyTime() const{
      return this->ApplyTimer->totalElapsedTime(false);};
 
  private:
    
    DiagEpetraOp(const DiagEpetraOp&);
    
    DiagEpetraOp& operator=(const DiagEpetraOp&);
    
  protected:
    
    std::string label;
    
    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;
 
    Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> > sg_basis;
 
    Teuchos::RCP<const Stokhos::Sparse3Tensor<int,double> > Cijk;
 
    Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly > block_ops;
 
    bool useTranspose;
 
    int expansion_size;
 
    int num_blocks;
 
    mutable Teuchos::Array< Teuchos::RCP<const Epetra_MultiVector> > input_block;
 
    mutable Teuchos::Array< Teuchos::RCP<Epetra_MultiVector> > result_block;
 
    mutable Teuchos::RCP<Epetra_MultiVector> tmp;
 
    mutable Teuchos::RCP<Epetra_MultiVector> tmp_trans;
 
    Teuchos::RCP<Teuchos::Time> ApplyTimer;
 
  }; // class DiagEpetraOp
  
} // namespace Stokhos
 
#endif // STOKHOS_DIAG_EPETRA_OP_HPP