MPI_Comm_test_inter function

Tests to see if a comm is an inter-communicator.

Syntax

int MPIAPI MPI_Comm_test_inter(
        MPI_Comm comm,
  _Out_ int      *flag
);

Parameters

• comm
  Communicator to test.

• flag [out]
  True if this is an inter-communicator.

Return value

Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.

In Fortran, the return value is stored in the IERROR parameter.

Fortran

    MPI_COMM_TEST_INTER(COMM, FLAG, IERROR)
        INTEGER COMM, IERROR
        LOGICAL FLAG

Requirements

Product	HPC Pack 2012 MS-MPI Redistributable Package, HPC Pack 2008 R2 MS-MPI Redistributable Package, HPC Pack 2008 MS-MPI Redistributable Package or HPC Pack 2008 Client Utilities
Header	Mpi.h; Mpif.h
Library	Msmpi.lib
DLL	Msmpi.dll

See also

MPI Communicator Functions