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MPI_Type_create_indexed_block - Creates an indexed data type with
the same block length for all blocks.
#include <mpi.h>
int MPI_Type_create_indexed_block(int count, int blocklength, int array_of_displacements[],
MPI_Datatype oldtype, MPI_Datatype *newtype)
INCLUDE ’mpif.h’
MPI_TYPE_CREATE_INDEXED_BLOCK(COUNT, BLOCKLENGTH,
ARRAY_OF_DISPLACEMENTS, OLDTYPE, NEWTYPE, IERROR)
INTEGER COUNT, BLOCKLENGTH, ARRAY_OF_DISPLACEMENTS(*),
OLDTYPE, NEWTYPE, IERROR
#include <mpi.h>
MPI::Datatype MPI::Datatype::Create_indexed_block( int count,
int blocklength, const int array_of_displacements[]) const
- count
- Length of array of displacements (integer).
- blocklength
- Size of block (integer).
- array_of_displacements
- Array of displacements (array
of integers).
- oldtype
- Old data type (handle).
- newtype
- New
data type (handle).
- IERROR
- Fortran only: Error status (integer).
MPI_Type_create_indexed_block
creates an indexed data type with the same block length for all blocks.
Almost all MPI routines return an error value; C routines as the
value of the function and Fortran routines in the last argument. C++ functions
do not return errors. If the default error handler is set to MPI::ERRORS_THROW_EXCEPTIONS,
then on error the C++ exception mechanism will be used to throw an MPI:Exception
object.
Before the error value is returned, the current MPI error handler
is called. By default, this error handler aborts the MPI job, except for
I/O function errors. The error handler may be changed with MPI_Comm_set_errhandler;
the predefined error handler MPI_ERRORS_RETURN may be used to cause error
values to be returned. Note that MPI does not guarantee that an MPI program
can continue past an error.
MPI_Type_indexed
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