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MPI_Type_create_darray(3)		     LAM/MPI			MPI_Type_create_darray(3)

       MPI_Type_create_darray -  create distributed array derived datatype

       #include <mpi.h>
       MPI_Type_create_darray(int size, int rank, int ndims, int *gsizes,
		int *distribs, int *dargs, int *psizes,
		int order, MPI_Datatype oldtype,
		MPI_Datatype *newtype)

       size   - Size of process group (positive integer)
       rank   - rank in process group (nonnegative integer)
       ndmis  - Number of array dimensions (positive integer)
       gsizes - Array of global sizes (array of positive integers)
	      - Array of distributions (array of state)
       dargs  - Array of distibution arguments (array of positive integers)
       psizes - Size of process grid in each dimension (array of positive integers)
       order  - Storage order (state)
	      - Old datatype (handle)

	      - New datatype (handle)

       All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK ) have an additional argu-
       ment ierr at the end of the argument list.  ierr is an integer and has the same meaning as
       the  return  value of the routine in C.	In Fortran, MPI routines are subroutines, and are
       invoked with the call statement.

       All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in Fortran.

       If an error occurs in an MPI function, the current MPI error handler is called  to  handle
       it.   By default, this error handler aborts the MPI job.  The error handler may be changed
       with MPI_Errhandler_set ; the predefined error handler MPI_ERRORS_RETURN may  be  used  to
       cause  error values to be returned (in C and Fortran; this error handler is less useful in
       with the C++ MPI bindings.   The  predefined  error  handler  MPI::ERRORS_THROW_EXCEPTIONS
       should  be  used in C++ if the error value needs to be recovered).  Note that MPI does not
       guarantee that an MPI program can continue past an error.

       All MPI routines (except MPI_Wtime and MPI_Wtick ) return an error value;  C  routines  as
       the value of the function and Fortran routines in the last argument.  The C++ bindings for
       MPI do not return error values; instead, error values are communicated by throwing  excep-
       tions  of  type	MPI::Exception	(but  not by default).	Exceptions are only thrown if the
       error value is not MPI::SUCCESS

       Note that if the MPI::ERRORS_RETURN handler is set in C++, while MPI functions will return
       upon an error, there will be no way to recover what the actual error value was.
	      - No error; MPI routine completed successfully.
	      - Invalid datatype argument.  May be an uncommitted MPI_Datatype (see MPI_Type_com-
	      mit ).
	      - Invalid argument.  Some argument is invalid and is not identified by  a  specific
	      error class.  This is typically a NULL pointer or other such error.
	      - Other error; use MPI_Error_string to get more information about this error code.

       For  more information, please see the official MPI Forum web site, which contains the text
       of both the MPI-1 and MPI-2 standards.  These documents contain detailed information about
       each MPI function (most of which is not duplicated in these man pages).



LAM/MPI 6.5.8				    11/10/2002			MPI_Type_create_darray(3)
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