MPI_Status_f2c(3OpenMPI)MPI_Status_f2c(3OpenMPI)NAME
MPI_Status_f2c, MPI_Status_c2f - Translates a C status into a Fortran status, or vice versa.
SYNTAX C Syntax
#include <mpi.h>
int MPI_Status_f2c(MPI_Fint *f_status, MPI_Status *c_status)
int MPI_Status_c2f(MPI_Status *c_status, MPI_Fint *f_status)
DESCRIPTION
These two procedures are provided in C to convert from a Fortran status (which is an array of integers) to a C status (which is a struc-
ture), and vice versa. The conversion occurs on all the information in status, including that which is hidden. That is, no status informa-
tion is lost in the conversion.
When using MPI_Status_f2c, if f_status is a valid Fortran status, but not the Fortran value of MPI_STATUS_IGNORE or MPI_STATUSES_IGNORE,
then MPI_Status_f2c returns in c_status a valid C status with the same content. If f_status is the Fortran value of MPI_STATUS_IGNORE or
MPI_STATUSES_IGNORE, or if f_status is not a valid Fortran status, then the call is erroneous.
When using MPI_Status_c2f, the opposite conversion is applied. If c_status is MPI_STATUS_IGNORE or MPI_STATUSES_IGNORE, or if c_status is
not a valid C status, then the call is erroneous.
The C status has the same source, tag and error code values as the Fortran status, and returns the same answers when queried for count,
elements, and cancellation. The conversion function may be called with a Fortran status argument that has an undefined error field, in
which case the value of the error field in the C status argument is undefined.
Open MPI 1.2 September 2006 MPI_Status_f2c(3OpenMPI)
Check Out this Related Man Page
MPI_Status_c2f(3) LAM/MPI MPI_Status_c2f(3)NAME
MPI_Status_c2f - Convert a status from its C representation to its Fortran representation
SYNOPSIS
#include <mpi.h>
int
MPI_Status_c2f(MPI_Status *c_status, MPI_Fint *f_status)
INPUT PARAMETER
c_status
- C status
RETURN VALUE
f_status
- Fortran status
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
This function does not return the normal MPI_SUCCESS integer value upon success. Instead, it returns a handle to the converted object. If
an error occurs, the appropriate NULL handle will be returned.
SEE ALSO MPI_Status_c2f(3)MORE INFORMATION
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).
http://www.mpi-forum.org/
LOCATION
handles.c
LAM /MPI 6.5.8 11/10/2002 MPI_Status_c2f(3)
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