fei_Factory_Trilinos.hpp

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#ifndef _fei_Factory_Trilinos_hpp_
#define _fei_Factory_Trilinos_hpp_

#include "fei_trilinos_macros.hpp"

#include <fei_mpi.h>

#include <fei_Include_Trilinos.hpp>

#ifdef HAVE_FEI_EPETRA
#include <fei_VectorTraits_Epetra.hpp>
#include <fei_MatrixTraits_Epetra.hpp>
#include <fei_Trilinos_Helpers.hpp>
#include <fei_LinProbMgr_EpetraBasic.hpp>
#endif

#include <fei_Factory.hpp>
#include <fei_ParameterSet.hpp>
#include <fei_Reducer.hpp>
#include <fei_Vector_Impl.hpp>
#include <fei_Matrix_Impl.hpp>
#include <fei_MatrixGraph_Impl2.hpp>
#include <fei_SparseRowGraph.hpp>
#include <fei_utils.hpp>

#undef fei_file
#define fei_file "fei_Factory_Trilinos.hpp"
#include <fei_ErrMacros.hpp>

/*** Implementation of an fei::Factory which creates instances that use Trilinos
     objects (Epetra and AztecOO) as the underlying objects.
*/
class Factory_Trilinos : public fei::Factory {
 public:
  Factory_Trilinos(MPI_Comm comm);

  virtual ~Factory_Trilinos();

  fei::SharedPtr<fei::Factory> clone() const
    {
      fei::SharedPtr<fei::Factory> factory(new Factory_Trilinos(comm_));
      return(factory);
    }

    virtual int parameters(int numParams,
                           const char* const* paramStrings);

    virtual void parameters(const fei::ParameterSet& parameterset);

  fei::SharedPtr<fei::MatrixGraph>
    createMatrixGraph(fei::SharedPtr<fei::VectorSpace> rowSpace,
                      fei::SharedPtr<fei::VectorSpace> colSpace,
                      const char* name);

  fei::SharedPtr<fei::Vector>
    createVector(fei::SharedPtr<fei::VectorSpace> vecSpace, int numVectors=1);

#ifdef HAVE_FEI_EPETRA

  fei::SharedPtr<fei::Vector>
    wrapVector(fei::SharedPtr<fei::VectorSpace> vecSpace,
               fei::SharedPtr<Epetra_MultiVector> multiVec);

  fei::SharedPtr<fei::Vector>
    wrapVector(fei::SharedPtr<fei::MatrixGraph> matGraph,
               fei::SharedPtr<Epetra_MultiVector> multiVec);
#endif

  fei::SharedPtr<fei::Vector>
    createVector(fei::SharedPtr<fei::VectorSpace> vecSpace,
      bool isSolutionVector,
      int numVectors=1);

  fei::SharedPtr<fei::Vector>
    createVector(fei::SharedPtr<fei::MatrixGraph> matrixGraph,
      int numVectors=1);

  fei::SharedPtr<fei::Vector>
    createVector(fei::SharedPtr<fei::MatrixGraph> matrixGraph,
      bool isSolutionVector,
      int numVectors=1);

  fei::SharedPtr<fei::Matrix>
    createMatrix(fei::SharedPtr<fei::MatrixGraph> matrixGraph);

  fei::SharedPtr<fei::Solver> createSolver(const char* name=0);

  int getOutputLevel() const { return(outputLevel_); }

 private:
  void create_LinProbMgr(bool replace_if_already_created=false);

  MPI_Comm comm_;

  fei::SharedPtr<fei::Reducer> reducer_;
  fei::SharedPtr<fei::LinearProblemManager> lpm_epetrabasic_;
  bool use_lpm_epetrabasic_;
  bool useAmesos_;
  bool useBelos_;
  bool use_feiMatrixLocal_;
  bool blockEntryMatrix_;
  bool orderRowsWithLocalColsFirst_;

  int outputLevel_;
};

#endif // _Factory_Trilinos_hpp_