libMesh::Parallel::StandardType< Point > Class Template Reference

#include <parallel_algebra.h>

Inheritance diagram for libMesh::Parallel::StandardType< Point >:

Public Member Functions
	StandardType (const Point *example=nullptr)
	StandardType (const StandardType< Point > &libmesh_mpi_var(t))
	~StandardType ()
	operator const data_type & () const
	operator data_type & ()
void	commit ()
void	free ()

Protected Attributes
data_type	_datatype

Detailed Description

template<>
class libMesh::Parallel::StandardType< Point >

Definition at line 176 of file parallel_algebra.h.

Constructor & Destructor Documentation

StandardType() [1/2]

libMesh::Parallel::StandardType< Point >::StandardType ( const Point *  example = nullptr )

inlineexplicit

Definition at line 180 of file parallel_algebra.h.

References libMesh::Parallel::DataType::_datatype, and libMesh::libmesh_ignore().

  {
    // Prevent unused variable warnings when !LIBMESH_HAVE_MPI
    libmesh_ignore(example);

#ifdef LIBMESH_HAVE_MPI

    // We need an example for MPI_Address to use
    Point * ex;

    std::unique_ptr<Point> temp;
    if (example)
      ex = const_cast<Point *>(example);
    else
      {
        temp.reset(new Point());
        ex = temp.get();
      }

    StandardType<Real> T_type(&((*ex)(0)));

    int blocklength = LIBMESH_DIM;
    MPI_Aint displs, start;
    MPI_Datatype tmptype, type = T_type;

    libmesh_call_mpi
      (MPI_Get_address (ex, &start));
    libmesh_call_mpi
      (MPI_Get_address (&((*ex)(0)), &displs));

    // subtract off offset to first value from the beginning of the structure
    displs -= start;

    // create a prototype structure
    libmesh_call_mpi
      (MPI_Type_create_struct (1, &blocklength, &displs, &type,
                               &tmptype));
    libmesh_call_mpi
      (MPI_Type_commit (&tmptype));

    // resize the structure type to account for padding, if any
    libmesh_call_mpi
      (MPI_Type_create_resized (tmptype, 0, sizeof(Point),
                                &_datatype));

    libmesh_call_mpi
      (MPI_Type_commit (&_datatype));

    libmesh_call_mpi
      (MPI_Type_free (&tmptype));
#endif // #ifdef LIBMESH_HAVE_MPI
  }

StandardType() [2/2]

libMesh::Parallel::StandardType< Point >::StandardType ( const StandardType< Point > &  libmesh_mpi_vart )

inline

Definition at line 233 of file parallel_algebra.h.

References libMesh::Parallel::DataType::_datatype.

    : DataType()
  {
    libmesh_call_mpi (MPI_Type_dup (t._datatype, &_datatype));
  }

~StandardType()

libMesh::Parallel::StandardType< Point >::~StandardType ( )

inline

Definition at line 239 of file parallel_algebra.h.

References libMesh::Parallel::DataType::free().

{ this->free(); }

Member Function Documentation

commit()

void libMesh::Parallel::DataType::commit ( )

inlineinherited

Definition at line 103 of file data_type.h.

References libMesh::Parallel::DataType::_datatype.

Referenced by libMesh::Parallel::DataType::DataType(), libMesh::Parallel::StandardType< std::pair< T1, T2 > >::StandardType(), and libMesh::Parallel::StandardType< std::tuple< Types... > >::StandardType().

  {
    libmesh_call_mpi
      (MPI_Type_commit (&_datatype));
  }

free()

void libMesh::Parallel::DataType::free ( )

inlineinherited

Definition at line 109 of file data_type.h.

References libMesh::Parallel::DataType::_datatype.

Referenced by libMesh::Parallel::StandardType< Hilbert::HilbertIndices >::~StandardType(), libMesh::Parallel::StandardType< TypeVector< T > >::~StandardType(), libMesh::Parallel::StandardType< VectorValue< T > >::~StandardType(), libMesh::Parallel::StandardType< std::pair< T1, T2 > >::~StandardType(), ~StandardType(), libMesh::Parallel::StandardType< std::tuple< Types... > >::~StandardType(), libMesh::Parallel::StandardType< std::complex< T > >::~StandardType(), libMesh::Parallel::StandardType< TypeTensor< T > >::~StandardType(), and libMesh::Parallel::StandardType< TensorValue< T > >::~StandardType().

  {
    libmesh_call_mpi
      (MPI_Type_free (&_datatype));
  }

operator const data_type &()

libMesh::Parallel::DataType::operator const data_type & ( ) const

inlineinherited

Definition at line 91 of file data_type.h.

References libMesh::Parallel::DataType::_datatype.

  { return _datatype; }

operator data_type &()

libMesh::Parallel::DataType::operator data_type & ( )

inlineinherited

Definition at line 94 of file data_type.h.

References libMesh::Parallel::DataType::_datatype.

  { return _datatype; }

Member Data Documentation

_datatype

data_type libMesh::Parallel::DataType::_datatype

protectedinherited

Definition at line 117 of file data_type.h.

Referenced by libMesh::Parallel::DataType::commit(), libMesh::Parallel::DataType::DataType(), libMesh::Parallel::DataType::free(), libMesh::Parallel::DataType::operator const data_type &(), libMesh::Parallel::DataType::operator data_type &(), libMesh::Parallel::DataType::operator=(), libMesh::Parallel::StandardType< TypeVector< T > >::StandardType(), libMesh::Parallel::StandardType< Hilbert::HilbertIndices >::StandardType(), libMesh::Parallel::StandardType< VectorValue< T > >::StandardType(), libMesh::Parallel::StandardType< std::pair< T1, T2 > >::StandardType(), StandardType(), and libMesh::Parallel::StandardType< std::tuple< Types... > >::StandardType().

---

The documentation for this class was generated from the following file:

• parallel_algebra.h