1!
2! Copyright (C) by Argonne National Laboratory
3!     See COPYRIGHT in top-level directory
4!
5
6subroutine MPI_Scatter_f08ts(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, &
7    root, comm, ierror)
8    use, intrinsic :: iso_c_binding, only : c_int
9    use :: mpi_f08, only : MPI_Datatype, MPI_Comm
10    use :: mpi_c_interface, only : c_Datatype, c_Comm
11    use :: mpi_c_interface, only : MPIR_Scatter_cdesc
12
13    implicit none
14
15    type(*), dimension(..), intent(in) :: sendbuf
16    type(*), dimension(..) :: recvbuf
17    integer, intent(in) :: sendcount
18    integer, intent(in) :: recvcount
19    integer, intent(in) :: root
20    type(MPI_Datatype), intent(in) :: sendtype
21    type(MPI_Datatype), intent(in) :: recvtype
22    type(MPI_Comm), intent(in) :: comm
23    integer, optional, intent(out) :: ierror
24
25    integer(c_int) :: sendcount_c
26    integer(c_int) :: recvcount_c
27    integer(c_int) :: root_c
28    integer(c_Datatype) :: sendtype_c
29    integer(c_Datatype) :: recvtype_c
30    integer(c_Comm) :: comm_c
31    integer(c_int) :: ierror_c
32
33    if (c_int == kind(0)) then
34        ierror_c = MPIR_Scatter_cdesc(sendbuf, sendcount, sendtype%MPI_VAL, recvbuf, recvcount, recvtype%MPI_VAL, &
35            root, comm%MPI_VAL)
36    else
37        sendcount_c = sendcount
38        sendtype_c = sendtype%MPI_VAL
39        recvcount_c = recvcount
40        recvtype_c = recvtype%MPI_VAL
41        root_c = root
42        comm_c = comm%MPI_VAL
43        ierror_c = MPIR_Scatter_cdesc(sendbuf, sendcount_c, sendtype_c, recvbuf, recvcount_c, recvtype_c, &
44            root_c, comm_c)
45    end if
46
47    if (present(ierror)) ierror = ierror_c
48
49end subroutine MPI_Scatter_f08ts
50