! -*- f90 -*-
!
! Copyright (c) 2010-2013 Cisco Systems, Inc.  All rights reserved.
! Copyright (c) 2009-2012 Los Alamos National Security, LLC.
!                         All rights reserved.
! Copyright (c) 2019-2020 Research Organization for Information Science
!                         and Technology (RIST).  All rights reserved.
! $COPYRIGHT$

#include "mpi-f08-rename.h"

subroutine MPI_Graph_create_f08(comm_old,nnodes,index,edges,reorder,comm_graph,ierror)
   use :: mpi_f08_types, only : MPI_Comm
   ! See note in mpi-f-interfaces-bind.h for why we "use mpi" here and
   ! call a PMPI_* subroutine below.
   use :: mpi, only : PMPI_Graph_create
   implicit none
   TYPE(MPI_Comm), INTENT(IN) :: comm_old
   INTEGER, INTENT(IN) :: nnodes
   INTEGER, INTENT(IN) :: index(*), edges(*)
   LOGICAL, INTENT(IN) :: reorder
   TYPE(MPI_Comm), INTENT(OUT) :: comm_graph
   INTEGER, OPTIONAL, INTENT(OUT) :: ierror
   integer :: c_ierror

   call PMPI_Graph_create(comm_old%MPI_VAL,nnodes,index,edges,reorder,&
                            comm_graph%MPI_VAL,c_ierror)
   if (present(ierror)) ierror = c_ierror
end subroutine MPI_Graph_create_f08