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MPI_Win_get_group(3)		   Open MPI		  MPI_Win_get_group(3)

NAME
       MPI_Win_get_group  - Returns a duplicate of the group of the communica‐
       tor used to create the window.

SYNTAX
C Syntax
       #include <mpi.h>
       MPI_Win_get_group(MPI_Win win, MPI_Group *group)

Fortran Syntax
       INCLUDE 'mpif.h'
       MPI_WIN_GET_GROUP(WIN, GROUP, IERROR)
	    INTEGER WIN, GROUP, IERROR

C++ Syntax
       #include <mpi.h>
       MPI::Group MPI::Win::Get_group() const

INPUT PARAMETER
       win	 Window object (handle).

OUTPUT PARAMETERS
       group	 Group of processes that share access to the window (handle).

       IERROR	 Fortran only: Error status (integer).

DESCRIPTION
       MPI_Win_get_group returns a duplicate of the group of the  communicator
       used to create the window associated with win. The group is returned in
       group.

ERRORS
       Almost all MPI routines return an error value; C routines as the	 value
       of  the	function  and Fortran routines in the last argument. C++ func‐
       tions do not return errors. If the default  error  handler  is  set  to
       MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism
       will be used to throw an MPI::Exception object.

       Before the error value is returned, the current MPI  error  handler  is
       called.	By  default, this error handler aborts the MPI job, except for
       I/O  function  errors.  The  error  handler   may   be	changed	  with
       MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN
       may be used to cause error values to be returned. Note  that  MPI  does
       not guarantee that an MPI program can continue past an error.

1.7.4				 Feb 04, 2014		  MPI_Win_get_group(3)

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