! -*- f90 -*-
!
! Copyright (c) 2009-2013 Cisco Systems, Inc.  All rights reserved.
! Copyright (c) 2009-2012 Los Alamos National Security, LLC.
!                         All rights reserved.
! $COPYRIGHT$

subroutine MPI_Op_commutative_f08(op,commute,ierror)
   use :: mpi_f08_types, only : MPI_Op
   ! See note in mpi-f-interfaces-bind.h for why we "use mpi" here and
   ! call a PMPI_* subroutine below.
   use :: mpi, only : PMPI_Op_commutative
   implicit none
   TYPE(MPI_Op), INTENT(IN) :: op
   LOGICAL, INTENT(OUT) :: commute
   INTEGER, OPTIONAL, INTENT(OUT) :: ierror
   integer :: c_ierror

   call PMPI_Op_commutative(op%MPI_VAL,commute,c_ierror)
   if (present(ierror)) ierror = c_ierror
end subroutine MPI_Op_commutative_f08
