Teko_DiagonalPreconditionerFactory.hpp

// @HEADER
// *****************************************************************************
//      Teko: A package for block and physics based preconditioning
//
// Copyright 2010 NTESS and the Teko contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef __Teko_DiagonalPreconditionerFactory_hpp__
#define __Teko_DiagonalPreconditionerFactory_hpp__
 
// Teko includes
#include "Teko_PreconditionerState.hpp"
#include "Teko_PreconditionerFactory.hpp"
 
class EpetraExt_PointToBlockDiagPermute;
 
namespace Teko {
 
using Thyra::DefaultPreconditioner;
using Thyra::LinearOpBase;

class DiagonalPrecondState : public Teko::PreconditionerState {
 public:
  DiagonalPrecondState();
 
  Teuchos::RCP<EpetraExt_PointToBlockDiagPermute> BDP_;
};

class DiagonalPreconditionerFactory : public virtual Teko::PreconditionerFactory {
 public:

 
  DiagonalPreconditionerFactory();


  Teuchos::RCP<PreconditionerState> buildPreconditionerState() const;

  LinearOp buildPreconditionerOperator(LinearOp& lo, PreconditionerState& state) const;

  virtual void initializeFromParameterList(const Teuchos::ParameterList& pl);
 
 protected:
  mutable Teuchos::ParameterList List_;
 
  DiagonalType diagonalType_;
};
 
}  // end namespace Teko
 
#endif