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"
#include "Teko_ConfigDefs.hpp"
 
namespace Tpetra {
namespace Ext {
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class PointToBlockDiagPermute;
}
}  // namespace Tpetra
 
namespace Teko {
 
using Thyra::DefaultPreconditioner;
using Thyra::LinearOpBase;
 
class DiagonalPrecondState : public Teko::PreconditionerState {
 public:
  DiagonalPrecondState();
 
  Teuchos::RCP<Tpetra::Ext::PointToBlockDiagPermute<ST, LO, GO, NT> > 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