MPI_Type_create_struct - Online Linux Manual PageSection : 3
Updated : Jan 21, 2016
Source : 1.10.2
Note : Open MPI
NAMEMPI_Type_create_struct − Creates a structured data type.
SYNTAX
C Syntax#include <mpi.h>
int MPI_Type_create_struct(int count, int array_of_blocklengths[],
const MPI_Aint array_of_displacements[], const MPI_Datatype array_of_types[],
MPI_Datatype *newtype)
Fortran Syntax (see FORTRAN 77 NOTES)INCLUDE 'mpif.h'
MPI_TYPE_CREATE_STRUCT(COUNT, ARRAY_OF_BLOCKLENGTHS,
ARRAY_OF_DISPLACEMENTS, ARRAY_OF_TYPES, NEWTYPE, IERROR)
INTEGER COUNT, ARRAY_OF_BLOCKLENGTHS(*), ARRAY_OF_TYPES(*),
INTEGER NEWTYPE, IERROR
INTEGER(KIND=MPI_ADDRESS_KIND) ARRAY_OF_DISPLACEMENTS(*)
C++ Syntax#include <mpi.h>
static MPI::Datatype MPI::Datatype::Create_struct(int count,
const int array_of_blocklengths[], const MPI::Aint
array_of_displacements[], const MPI::Datatype
array_of_types[])
INPUT PARAMETERScount Number of blocks (integer) -- also number of entries in arrays array_of_types, array_of_displacements, and array_of_blocklengths. array_of_blocklengths Number of elements in each block (array of integers). array_of_displacements Byte displacement of each block (array of integers). array_of_types Type of elements in each block (array of handles to data-type objects).
OUTPUT PARAMETERSnewtype New data type (handle). IERROR Fortran only: Error status (integer).
DESCRIPTIONMPI_Type_create_struct creates a structured data type. This routine replaces MPI_Type_struct, which is now deprecated. NOTE − This routine replaces MPI_Type_struct, which is deprecated. See the man page MPI_Type_struct(3) for information about that routine.
FORTRAN 77 NOTESThe MPI standard prescribes portable Fortran syntax for the ARRAY_OF_DISPLACEMENTS(*) argument only for Fortran 90. FORTRAN 77 users may use the non-portable syntax INTEGER*MPI_ADDRESS_KIND ARRAY_OF_DISPLACEMENTS(*)where MPI_ADDRESS_KIND is a constant defined in mpif.h and gives the length of the declared integer in bytes.
ERRORSAlmost 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.
SEE ALSOMPI_Type_struct
MPI_Type_create_hindexed 0
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