PlayaLinearOperatorDecl.hpp

/* @HEADER@ */
//   
 /* @HEADER@ */

#ifndef PLAYA_LINEAROPERATORDECL_HPP
#define PLAYA_LINEAROPERATORDECL_HPP

#include "PlayaDefs.hpp"
#include "PlayaHandle.hpp"
#include "PlayaHandleable.hpp"
#include "PlayaLinearOperatorBaseDecl.hpp"
#include "PlayaLoadableMatrix.hpp"
#include "Teuchos_TimeMonitor.hpp"
#include "PlayaRowAccessibleOp.hpp"


namespace Playa
{
using namespace Teuchos;


template <class Scalar>  class LinearSolver;
template <class Scalar>  class VectorSpace;
template <class Scalar>  class Vector;
template <class Scalar>  class VectorType;

template <class Scalar>
class LinearOperator : public Playa::Handle<LinearOperatorBase<Scalar> >
{
public:
  LinearOperator();

  LinearOperator(const RCP<LinearOperatorBase<Scalar> >& smartPtr);

  const VectorSpace<Scalar> domain() const ;

  const VectorSpace<Scalar> range() const ;


  void apply(const Vector<Scalar>& in,
    Vector<Scalar>& out) const ;

  void applyTranspose(const Vector<Scalar>& in,
    Vector<Scalar>& out) const ;


  //       /** For the moment this does nothing*/
  LinearOperator<Scalar> form() const {return *this;}
      
      
  RCP<Time>& opTimer();

  LinearOperator<Scalar> transpose() const ; 


  RCP<LoadableMatrix<Scalar> > matrix();

  void getRow(const int& row, 
    Teuchos::Array<int>& indices, 
    Teuchos::Array<Scalar>& values) const ;
    

      
  int numBlockRows() const ;
      

  int numBlockCols() const ;
      

  LinearOperator<Scalar> getBlock(const int &i, const int &j) const ;


  LinearOperator<Scalar> getNonconstBlock(const int &i, const int &j) ;

  void setBlock(int i, int j, 
    const LinearOperator<Scalar>& sub);

  void endBlockFill();


      

private:

};

}


#endif