Stokhos_SGModelEvaluator.hpp

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

#ifndef STOKHOS_SGMODELEVALUATOR_HPP
#define STOKHOS_SGMODELEVALUATOR_HPP

#include <vector>

#include "EpetraExt_ModelEvaluator.h"
#include "EpetraExt_MultiComm.h"
#include "EpetraExt_BlockVector.h"

#include "Stokhos_SGModelEvaluatorBase.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_Array.hpp"
#include "Teuchos_ParameterList.hpp"
#include "Stokhos_ParallelData.hpp"
#include "Stokhos_OrthogPolyBasis.hpp"
#include "Stokhos_OrthogPolyExpansion.hpp"
#include "Stokhos_EpetraVectorOrthogPoly.hpp"
#include "Stokhos_EpetraMultiVectorOrthogPoly.hpp"
#include "Stokhos_EpetraOperatorOrthogPoly.hpp"
#include "Stokhos_SGOperator.hpp"
#include "Stokhos_EpetraSparse3Tensor.hpp"
#include "Stokhos_SGPreconditionerFactory.hpp"

namespace Stokhos {


  class SGModelEvaluator : public Stokhos::SGModelEvaluatorBase {
  public:

    // Constructor
    SGModelEvaluator(
      const Teuchos::RCP<EpetraExt::ModelEvaluator>& me,
      const Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> >& sg_basis,
      const Teuchos::RCP<const Stokhos::Quadrature<int,double> >& sg_quad,
      const Teuchos::RCP<Stokhos::OrthogPolyExpansion<int,double> >& sg_exp,
      const Teuchos::RCP<const Stokhos::ParallelData>& sg_parallel_data,
      const Teuchos::RCP<Teuchos::ParameterList>& params,
      bool scaleOP = true);


    Teuchos::RCP<const Epetra_Map> get_x_map() const;

    Teuchos::RCP<const Epetra_Map> get_f_map() const;

    Teuchos::RCP<const Epetra_Map> get_p_map(int l) const;

    Teuchos::RCP<const Epetra_Map> get_g_map(int l) const;

    Teuchos::RCP<const Teuchos::Array<std::string> >
    get_p_names(int l) const;

    Teuchos::RCP<const Epetra_Vector> get_x_init() const;

    Teuchos::RCP<const Epetra_Vector> get_p_init(int l) const;

    Teuchos::RCP<Epetra_Operator> create_W() const;

    Teuchos::RCP<EpetraExt::ModelEvaluator::Preconditioner> create_WPrec() const;

    Teuchos::RCP<Epetra_Operator> create_DgDx_dot_op(int j) const;

    Teuchos::RCP<Epetra_Operator> create_DgDx_op(int j) const;

    Teuchos::RCP<Epetra_Operator> create_DgDp_op(int j, int i) const;

    Teuchos::RCP<Epetra_Operator> create_DfDp_op(int i) const;

    InArgs createInArgs() const;

    OutArgs createOutArgs() const;

    void evalModel(const InArgs& inArgs, const OutArgs& outArgs) const;



    void set_x_sg_init(const Stokhos::EpetraVectorOrthogPoly& x_sg_in);

    Teuchos::RCP<const Stokhos::EpetraVectorOrthogPoly> get_x_sg_init() const;

    void set_p_sg_init(int i, const Stokhos::EpetraVectorOrthogPoly& p_sg_in);

    Teuchos::RCP<const Stokhos::EpetraVectorOrthogPoly> get_p_sg_init(int l) const;


    Teuchos::Array<int> get_p_sg_map_indices() const;


    Teuchos::Array<int> get_g_sg_map_indices() const;

    Teuchos::Array< Teuchos::RCP<const Epetra_Map> > get_g_sg_base_maps() const;

    Teuchos::RCP<const Epetra_BlockMap> get_overlap_stochastic_map() const;

    Teuchos::RCP<const Epetra_BlockMap> get_x_sg_overlap_map() const;

    Teuchos::RCP<const Epetra_Import> get_x_sg_importer() const;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly>
    create_x_sg(Epetra_DataAccess CV = Copy,
                const Epetra_Vector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly>
    create_x_sg_overlap(Epetra_DataAccess CV = Copy,
                        const Epetra_Vector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraMultiVectorOrthogPoly>
    create_x_mv_sg(int num_vecs,
                   Epetra_DataAccess CV = Copy,
                   const Epetra_MultiVector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraMultiVectorOrthogPoly>
    create_x_mv_sg_overlap(int num_vecs,
                           Epetra_DataAccess CV = Copy,
                           const Epetra_MultiVector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly>
    create_p_sg(int l, Epetra_DataAccess CV = Copy,
                const Epetra_Vector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly>
    create_f_sg(Epetra_DataAccess CV = Copy,
                const Epetra_Vector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly>
    create_f_sg_overlap(Epetra_DataAccess CV = Copy,
                        const Epetra_Vector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraMultiVectorOrthogPoly>
    create_f_mv_sg(int num_vecs, Epetra_DataAccess CV = Copy,
                   const Epetra_MultiVector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraMultiVectorOrthogPoly>
    create_f_mv_sg_overlap(int num_vecs, Epetra_DataAccess CV = Copy,
                           const Epetra_MultiVector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly>
    create_g_sg(int l, Epetra_DataAccess CV = Copy,
                const Epetra_Vector* v = NULL) const;

    Teuchos::RCP<Stokhos::EpetraMultiVectorOrthogPoly>
    create_g_mv_sg(int l, int num_vecs, Epetra_DataAccess CV = Copy,
                   const Epetra_MultiVector* v = NULL) const;


    Teuchos::RCP<EpetraExt::BlockVector>
    import_solution(const Epetra_Vector& x) const;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly>
    import_solution_poly(const Epetra_Vector& x) const;

    Teuchos::RCP<EpetraExt::BlockVector>
    export_solution(const Epetra_Vector& x_overlapped) const;

    Teuchos::RCP<EpetraExt::BlockVector>
    import_residual(const Epetra_Vector& f) const;

    Teuchos::RCP<EpetraExt::BlockVector>
    export_residual(const Epetra_Vector& f_overlapped) const;

  protected:

    Teuchos::RCP<EpetraExt::ModelEvaluator> me;

    Teuchos::RCP<const Stokhos::OrthogPolyBasis<int, double> > sg_basis;

    Teuchos::RCP<const Stokhos::Quadrature<int,double> > sg_quad;

    Teuchos::RCP<Stokhos::OrthogPolyExpansion<int,double> > sg_exp;

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

    unsigned int num_sg_blocks;

    unsigned int num_W_blocks;

    unsigned int num_p_blocks;

    bool supports_x;

    Teuchos::RCP<const Epetra_Map> x_map;

    Teuchos::RCP<const Epetra_Map> f_map;

    Teuchos::RCP<const Stokhos::ParallelData> sg_parallel_data;

    Teuchos::RCP<const EpetraExt::MultiComm> sg_comm;

    Teuchos::RCP<const Stokhos::EpetraSparse3Tensor> epetraCijk;

    Teuchos::RCP<const Stokhos::EpetraSparse3Tensor> serialCijk;

    Teuchos::RCP<const Epetra_BlockMap> stoch_row_map;

    Teuchos::RCP<const Epetra_BlockMap> overlapped_stoch_row_map;

    Teuchos::RCP<const Epetra_BlockMap> overlapped_stoch_p_map;

    Teuchos::RCP<const Epetra_Map> sg_x_map;

    Teuchos::RCP<const Epetra_Map> sg_overlapped_x_map;

    Teuchos::RCP<const Epetra_Map> sg_f_map;

    Teuchos::RCP<const Epetra_Map> sg_overlapped_f_map;

    Teuchos::RCP<Epetra_Import> sg_overlapped_x_importer;

    Teuchos::RCP<Epetra_Export> sg_overlapped_f_exporter;

    int num_p;

    int num_p_sg;

    Teuchos::Array<int> sg_p_index_map;

    Teuchos::Array< Teuchos::RCP<const Epetra_Map> > sg_p_map;

    Teuchos::Array< Teuchos::RCP< Teuchos::Array<std::string> > > sg_p_names;

    int num_g;

    int num_g_sg;

    Teuchos::Array<int> sg_g_index_map;

    Teuchos::Array< Teuchos::RCP<const Epetra_Map> > sg_g_map;

    Teuchos::RCP< Stokhos::EpetraVectorOrthogPoly > x_dot_sg_blocks;

    Teuchos::RCP< Stokhos::EpetraVectorOrthogPoly > x_sg_blocks;

    mutable Teuchos::RCP< Stokhos::EpetraVectorOrthogPoly > f_sg_blocks;

    mutable Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > W_sg_blocks;

    Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly> sg_x_init;

    Teuchos::Array< Teuchos::RCP<Stokhos::EpetraVectorOrthogPoly> > sg_p_init;

    bool eval_W_with_f;

    mutable Teuchos::RCP<Stokhos::SGOperator> my_W;

    mutable Teuchos::RCP<Epetra_Vector> my_x;

    bool scaleOP;

    Teuchos::RCP< Stokhos::SGPreconditionerFactory > sg_prec_factory;

  };

}

#endif // FEAPP_MODELEVALUATOR_HPP