Stokhos_SGPreconditioner.hpp

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// @HEADER
// *****************************************************************************
//                           Stokhos Package
//
// Copyright 2009 NTESS and the Stokhos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef STOKHOS_SG_PRECONDITIONER_HPP
#define STOKHOS_SG_PRECONDITIONER_HPP

#include "Teuchos_RCP.hpp"
#include "Epetra_Operator.h"
#include "Stokhos_SGOperator.hpp"
#include "Epetra_Vector.h"

namespace Stokhos {

  class SGPreconditioner : public virtual Epetra_Operator {
  public:

    SGPreconditioner() {}

    virtual ~SGPreconditioner() {}

    virtual void 
    setupPreconditioner(const Teuchos::RCP<Stokhos::SGOperator>& sg_op, 
      const Epetra_Vector& x) = 0;

  }; // class SGPreconditioner

} // namespace Stokhos

#endif // STOKHOS_SG_PRECONDITIONER_HPP