Man page - mpi_file_get_type_extent(3)

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Manual

MPI_File_get_type_extent

NAME
SYNOPSIS
INPUT PARAMETERS
OUTPUT PARAMETERS
NOTES FOR FORTRAN

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NAME

MPI_File_get_type_extent - Returns the extent of datatype in the file

SYNOPSIS

#include "mpi.h"
int MPI_File_get_type_extent(MPI_File fh, MPI_Datatype datatype,
MPI_Aint *extent)

INPUT PARAMETERS

fh

- file handle (handle)

datatype

- datatype (handle)

OUTPUT PARAMETERS

extent

- extent of the datatype (nonnegative integer)

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’, ’MPI_File’) are of type ’INTEGER’ in Fortran.

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