Stokhos_SGPreconditionerFactory.hpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
// 
//                           Stokhos Package
//                 Copyright (2009) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Eric T. Phipps (etphipp@sandia.gov).
// 
// ***********************************************************************
// @HEADER
 
#ifndef STOKHOS_SG_PRECONDITIONER_FACTORY_HPP
#define STOKHOS_SG_PRECONDITIONER_FACTORY_HPP
 
#include "Teuchos_RCP.hpp"
#include "Teuchos_ParameterList.hpp"
#include "Stokhos_SGPreconditioner.hpp"
#include "EpetraExt_MultiComm.h"
#include "Stokhos_OrthogPolyBasis.hpp"
#include "Stokhos_EpetraSparse3Tensor.hpp"
#include "Epetra_Map.h"
#include "Stokhos_AbstractPreconditionerFactory.hpp"
 
namespace Stokhos {

  class SGPreconditionerFactory {
  public:

    SGPreconditionerFactory(
      const Teuchos::RCP<Teuchos::ParameterList>& params);

    virtual ~SGPreconditionerFactory() {}

    virtual bool isPrecSupported() const;

    virtual Teuchos::RCP<Stokhos::SGPreconditioner> 
    build(
      const Teuchos::RCP<const EpetraExt::MultiComm>& sg_comm,
      const Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> >& sg_basis,
      const Teuchos::RCP<const Stokhos::EpetraSparse3Tensor>& epetraCijk,
      const Teuchos::RCP<const Epetra_Map>& base_map,
      const Teuchos::RCP<const Epetra_Map>& sg_map);
 
  protected:

    Teuchos::RCP<Stokhos::AbstractPreconditionerFactory> 
    buildMeanPreconditionerFactory();
 
  private:
    
    SGPreconditionerFactory(const SGPreconditionerFactory&);
    
    SGPreconditionerFactory& operator=(const SGPreconditionerFactory&);
 
  protected:

    Teuchos::RCP<Teuchos::ParameterList> params;

    std::string prec_method;
 
  }; // class SGPreconditionerFactory
 
} // namespace Stokhos
 
#endif // STOKHOS_SG_PRECONDITIONER_FACTORY_HPP