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MPI_Type_set_attr.3.rst

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MPI_Type_set_attr

:ref:`MPI_Type_set_attr` |mdash| Sets a key value/attribute pair to a data type.

SYNTAX

C Syntax

#include <mpi.h>

int MPI_Type_set_attr(MPI_Datatype type, int type_keyval,
     void *attribute_val)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_TYPE_SET_ATTR(TYPE, TYPE_KEYVAL, ATTRIBUTE_VAL, IERROR)
     INTEGER TYPE, TYPE_KEYVAL, IERROR
     INTEGER(KIND=MPI_ADDRESS_KIND) ATTRIBUTE_VAL

Fortran 2008 Syntax

USE mpi_f08
MPI_Type_set_attr(datatype, type_keyval, attribute_val, ierror)
     TYPE(MPI_Datatype), INTENT(IN) :: datatype
     INTEGER, INTENT(IN) :: type_keyval
     INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(IN) :: attribute_val
     INTEGER, OPTIONAL, INTENT(OUT) :: ierror

INPUT/OUTPUT PARAMETER

  • type: Data type to which attribute will be attached (handle).

INPUT PARAMETERS

  • type_keyval: Key value (integer).
  • attribute_val: Attribute value.

OUTPUT PARAMETER

  • ierror: Fortran only: Error status (integer).

DESCRIPTION

For the given data type, :ref:`MPI_Type_set_attr` sets the key value to the value of the specified attribute.

ERRORS

.. seealso::
   * :ref:`MPI_Type_get_attr`