MPI_Status_f2c(3) Open MPI MPI_Status_f2c(3)
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(const MPI_Fint *f_status, MPI_Status *c_status)
int MPI_Status_c2f(const 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 structure),
and vice versa. The conversion occurs on all the information in status,
including that which is hidden. That is, no status information 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 con-
tent. If f_status is the Fortran value of MPI_STATUS_IGNORE or MPI_STA-
TUSES_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 For-
tran status, and returns the same answers when queried for count, ele-
ments, 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 unde-
fined.
4.1.2 Nov 24, 2021 MPI_Status_f2c(3)
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