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;
  typedef typename Kokkos::View<mumps_type**, Kokkos::LayoutLeft,
                                typename HostExecSpaceType::memory_space> host_mv_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;
 
  void describe_impl(Teuchos::FancyOStream &out,
                     const Teuchos::EVerbosityLevel verbLevel) 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
 
  // For partial factorizations
  size_t schur_size;
  host_ordinal_type_view schur_part;
  host_value_type_view   schur_out;
  scalar_type* schur_out_ptr;
  bool only_forward_solve;
  bool only_backward_solve;
  mutable host_value_type_view schur_rhs;
 
  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 host_mv_view xvals_;
  local_ordinal_type ldx_;
  mutable host_mv_view 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
};
 
template <typename Scalar, typename LocalOrdinal, typename ExecutionSpace>
struct solver_supports_matrix<MUMPS,
  KokkosSparse::CrsMatrix<Scalar, LocalOrdinal, ExecutionSpace>> {
  static const bool value = true;
};
 
} // end namespace Amesos2
 
#endif  // AMESOS2_MUMPS_DECL_HPP