TSFSimpleDiagonalOpDecl.hpp

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// 
//           TSFExtended: Trilinos Solver Framework Extended
//                 Copyright (2004) Sandia Corporation
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#ifndef TSF_SIMPLE_DIAGONAL_OP_DECL_HPP
#define TSF_SIMPLE_DIAGONAL_OP_DECL_HPP



#include "SundanceDefs.hpp"
#include "TSFSimplifiedLinearOpBaseDecl.hpp"
#include "TSFLinearOperatorDecl.hpp"


namespace TSFExtended
{
using namespace Teuchos;
using namespace Sundance;




/** */
template <class Scalar>
class SimpleDiagonalOp : public SimplifiedLinearOpWithSpaces<Scalar>,
  public Printable
{
public:
  /** */
  SimpleDiagonalOp(const Vector<Scalar>& diag);


  /** */
  void applyOp(const Thyra::EOpTransp M_trans,
    const Vector<Scalar>& in,
    Vector<Scalar> out) const ;

  /** */
  std::string description() const ;

  /** */
  void print(std::ostream& os) const ;

private:
  Vector<Scalar> diag_;
};

/** \relates SimpleDiagonalOp */
template <class Scalar>
LinearOperator<Scalar> diagonalOperator(
  const Vector<Scalar>& diag);

}

#endif