Teko_IdentityPreconditionerFactory.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_IdentityPreconditionerFactory_hpp__
#define __Teko_IdentityPreconditionerFactory_hpp__

#include "Teuchos_RCP.hpp"

#include "Teko_BlockPreconditionerFactory.hpp"
#include "Teko_BlockInvDiagonalStrategy.hpp"

namespace Teko {

class IdentityPreconditionerFactory : public PreconditionerFactory {
 public:


  IdentityPreconditionerFactory();


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

 protected:
  double scaling_;

  virtual void initializeFromParameterList(const Teuchos::ParameterList& pl);
};

}  // end namespace Teko

#endif