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MPI_Type_create_subarray(3) MPI MPI_Type_create_subarray(3) NAME MPI_Type_create_subarray - Create a datatype for a subarray of a regu- lar, multidimensional array SYNOPSIS int MPI_Type_create_subarray(int ndims, MPICH2_CONST int array_of_sizes[], MPICH2_CONST int array_of_subsizes[], MPICH2_CONST int array_of_starts[], int order, MPI_Datatype oldtype, MPI_Datatype *newtype) INPUT PARAMETERS ndims - number of array dimensions (positive integer) array_of_sizes - number of elements of type oldtype in each dimension of the full array (array of positive integers) array_of_subsizes - number of elements of type oldtype in each dimension of the subarray (array of positive integers) array_of_starts - starting coordinates of the subarray in each dimension (array of nonnegative integers) order - array storage order flag (state) oldtype - array element datatype (handle) OUTPUT PARAMETER newtype - new datatype (handle) THREAD AND INTERRUPT SAFETY This routine is thread-safe. This means that this routine may be safely used by multiple threads without the need for any user-provided thread locks. However, the routine is not interrupt safe. Typically, this is due to the use of memory allocation routines such as malloc or other non-MPICH runtime routines that are themselves not interrupt- safe. NOTES FOR FORTRAN All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK ) have an additional argument 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. ERRORS 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. Before the value is returned, the current MPI error handler is called. By default, this error handler aborts the MPI job. The error handler may be changed with MPI_Comm_set_errhandler (for com- municators), MPI_File_set_errhandler (for files), and MPI_Win_set_er- rhandler (for RMA windows). The MPI-1 routine MPI_Errhandler_set may be used but its use is deprecated. The predefined error handler MPI_ERRORS_RETURN may be used to cause error values to be returned. Note that MPI does not guarentee that an MPI program can continue past an error; however, MPI implementations will attempt to continue when- ever possible. MPI_SUCCESS - No error; MPI routine completed successfully. MPI_ERR_TYPE - Invalid datatype argument. May be an uncommitted MPI_Datatype (see MPI_Type_commit ). MPI_ERR_ARG - Invalid argument. Some argument is invalid and is not identi- fied by a specific error class (e.g., MPI_ERR_RANK ). LOCATION src/mpi/datatype/type_create_subarray.c 9/20/2012 MPI_Type_create_subarray(3)
NAME | SYNOPSIS | INPUT PARAMETERS | OUTPUT PARAMETER | THREAD AND INTERRUPT SAFETY | NOTES FOR FORTRAN | ERRORS | LOCATION
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