Amesos2_MUMPS_decl.hpp

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// @HEADER
// *****************************************************************************
//           Amesos2: Templated Direct Sparse Solver Package
//
// Copyright 2011 NTESS and the Amesos2 contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef AMESOS2_MUMPS_DECL_HPP
#define AMESOS2_MUMPS_DECL_HPP

#include "Amesos2_SolverTraits.hpp"
#include "Amesos2_SolverCore.hpp"
#include "Amesos2_MUMPS_FunctionMap.hpp"


namespace Amesos2 {


template <class Matrix,class Vector>
class MUMPS : public SolverCore<Amesos2::MUMPS, Matrix, Vector>
{
  friend class SolverCore<Amesos2::MUMPS,Matrix,Vector>; // Give our base access
                                                          // to our private
                                                          // implementation funcs
public:

  static const char* name;      // declaration. Initialization outside.

  typedef MUMPS<Matrix,Vector>                                       type;
  typedef SolverCore<Amesos2::MUMPS,Matrix,Vector>             super_type;

  // Since typedef's are not inheritted, go grab them
  typedef typename super_type::scalar_type                      scalar_type;
  typedef typename super_type::local_ordinal_type        local_ordinal_type;
  typedef typename super_type::global_ordinal_type      global_ordinal_type;
  typedef typename super_type::global_size_type            global_size_type;

  typedef TypeMap<Amesos2::MUMPS,scalar_type>                      type_map;

  typedef typename type_map::type                                mumps_type;
  typedef typename type_map::magnitude_type                  magnitude_type;
  typedef typename type_map::MUMPS_STRUC_C                    MUMPS_STRUC_C;

  typedef Kokkos::DefaultHostExecutionSpace                     HostExecSpaceType;
  typedef typename HostExecSpaceType::memory_space              HostMemSpaceType;

  typedef Kokkos::View<local_ordinal_type*, HostExecSpaceType>  host_ordinal_type_view;
  typedef Kokkos::View<mumps_type*, HostExecSpaceType>          host_value_type_view;

  MUMPS(Teuchos::RCP<const Matrix> A,
          Teuchos::RCP<Vector>       X,
          Teuchos::RCP<const Vector> B);
   ~MUMPS( );


private:

  int preOrdering_impl();


  int symbolicFactorization_impl();


  int numericFactorization_impl();


  int solve_impl(const Teuchos::Ptr<MultiVecAdapter<Vector> >       X,
                 const Teuchos::Ptr<const MultiVecAdapter<Vector> > B) const;


  bool matrixShapeOK_impl() const;

  void setParameters_impl(
    const Teuchos::RCP<Teuchos::ParameterList> & parameterList );


  Teuchos::RCP<const Teuchos::ParameterList> getValidParameters_impl() const;


  bool loadA_impl(EPhase current_phase);


  int ConvertToTriplet();

  void MUMPS_ERROR() const;

#ifdef HAVE_MPI
  MPI_Comm MUMPSComm;
#endif


  bool MUMPS_MATRIX_LOAD;
  bool MUMPS_STRUCT;
  mutable bool MUMPS_MATRIX_LOAD_PREORDERING;

  // The following Arrays are persisting storage arrays for A, X, and B
  host_value_type_view host_nzvals_view_;
  host_ordinal_type_view host_rows_view_;
  host_ordinal_type_view host_col_ptr_view_;

  mutable Teuchos::Array<mumps_type> xvals_;  local_ordinal_type ldx_;
  mutable Teuchos::Array<mumps_type> bvals_;  local_ordinal_type ldb_;

  mutable MUMPS_STRUC_C mumps_par;

  bool is_contiguous_;

};                              // End class MUMPS


template <class Matrix,class Vector>
class MUMPSNS : public SolverCore<Amesos2::MUMPS, Matrix, Vector>
{
  friend class SolverCore<Amesos2::MUMPS,Matrix,Vector>; // Give our base access
                                                          // to our private
                                                          // implementation funcs
public:


  MUMPSNS(Teuchos::RCP<const Matrix> A,
          Teuchos::RCP<Vector>       X,
                     Teuchos::RCP<const Vector> B);
  /*
  {
    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }

  */
   ~MUMPSNS( )
  {}


private:

  int preOrdering_impl()
  {
      
    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }

  int symbolicFactorization_impl()
  {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }

  int numericFactorization_impl()
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }

  int solve_impl(const Teuchos::Ptr<MultiVecAdapter<Vector> >       X,
                 const Teuchos::Ptr<const MultiVecAdapter<Vector> > B) const
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }

  bool matrixShapeOK_impl() const
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }

  void setParameters_impl(
    const Teuchos::RCP<Teuchos::ParameterList> & parameterList )
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }

  Teuchos::RCP<const Teuchos::ParameterList> getValidParameters_impl() const
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }


  bool loadA_impl(EPhase current_phase)
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }


  int ConvertToTriplet()
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }


  void MUMPS_ERROR() const
 {

    TEUCHOS_TEST_FOR_EXCEPTION(true, std::logic_error,
                               "This solver is not support for these types.");

  }


#ifdef HAVE_MPI
  MPI_Comm MUMPSComm;
#endif

    bool is_contiguous_;

};



// Specialize solver_traits struct for MUMPS
// TODO
template <>
struct solver_traits<MUMPS> {
#ifdef HAVE_TEUCHOS_COMPLEX
  typedef Meta::make_list4<float,
                           double,
                           std::complex<float>,
                           std::complex<double> > supported_scalars;
#else
  typedef Meta::make_list2<float, double> supported_scalars;
#endif
};

} // end namespace Amesos2

#endif  // AMESOS2_MUMPS_DECL_HPP