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// @HEADER
//
// ***********************************************************************
//
//           Galeri: Finite Element and Matrix Generation Package
//                 Copyright (2006) ETHZ/Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// 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
//                    Jeremie Gaidamour (jngaida@sandia.gov)
//                    Jonathan Hu       (jhu@sandia.gov)
//                    Ray Tuminaro      (rstumin@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
/*
  Direct translation of parts of Galeri matrix generator.
*/
#ifndef GALERI_XPETRAMATRIXFACTORY_HPP
#define GALERI_XPETRAMATRIXFACTORY_HPP

#include "Teuchos_ParameterList.hpp"
#include "Teuchos_Assert.hpp"

#include "Galeri_StencilProblems.hpp"
#include "Galeri_Elasticity2DProblem.hpp"
#include "Galeri_Elasticity3DProblem.hpp"

#include <iostream>

namespace Galeri {

  namespace Xpetra {

    using Teuchos::RCP;

    template <typename Scalar, typename LocalOrdinal, typename GlobalOrdinal, typename Map, typename Matrix, typename MultiVector>
    RCP<Problem<Map,Matrix,MultiVector> > BuildProblem(const std::string &MatrixType, const RCP<const Map>& map, Teuchos::ParameterList& list) {
      RCP<Problem<Map,Matrix,MultiVector> > P;

      if      (MatrixType == "Laplace1D")    P.reset(new Laplace1DProblem   <Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "Laplace2D")    P.reset(new Laplace2DProblem   <Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "Star2D")       P.reset(new Star2DProblem      <Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "BigStar2D")    P.reset(new BigStar2DProblem   <Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "Laplace3D")    P.reset(new Laplace3DProblem   <Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "Brick3D")      P.reset(new Brick3DProblem     <Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "Elasticity2D") P.reset(new Elasticity2DProblem<Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "Elasticity3D") P.reset(new Elasticity3DProblem<Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else if (MatrixType == "Identity")     P.reset(new IdentityProblem    <Scalar,LocalOrdinal,GlobalOrdinal,Map,Matrix,MultiVector>(list, map));
      else
        TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                                   "`MatrixType' has incorrect value (" << MatrixType << ") in input to function CreateCrsMatrix()."
                                   << "Check the documentation for a list of valid choices");

      P->setObjectLabel(MatrixType);

      return P;
    }

  } // namespace Xpetra

} // namespace Galeri

#endif //ifndef GALERI_XPETRAMATRIXFACTORY_HPP