p_mpi_alltoallv_oil.F

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!                   ******************************
                    SUBROUTINE p_mpi_alltoallv_oil
!                   ******************************
!
     &(send_buffer,nsend,send_displ,send_datyp,recv_buffer,nrecv,
     & recv_displ,recv_datyp,ierr)
!
!***********************************************************************
! PARALLEL   V6P3                                  21/08/2010
!***********************************************************************
!
!brief    Calls function MPI_ALLTOALLV with type OIL_TYPE.
!
!history  J-M HERVOUET (EDF R&D, LNHE)
!+        27/06/2013
!+        V6P3
!+   First version, inpired from P_MPI_ALLTOALLV.
!
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!| SEND_BUFFER    |-->| SEND BUFFER
!| NSEND          |-->| SPECIFIES THE NUMBER OF ELEMENTS TO SEND TO EACH
!|                |   | PROCESSOR
!| SEND_DISPL     |-->| DISPLACEMENT ARRAY FOR THE SEND BUFFER
!| SEND_DATYP     |-->| DATA TYPE OF SEND BUFFER ELEMENTS
!| RECV_BUFFER    |<--| RECEIVE BUFFER
!| NRECV          |-->| SPECIFIES THE MAXIMUM NUMBER OF ELEMENTS THAT
!|                |   | CAN BE RECEIVED FROM EACH PROCESSOR
!| RECV_DISPL     |-->| DISPLACEMENT ARRAY FOR THE RECEIVE BUFFER
!| RECV_DATYP     |-->| DATA TYPE OF RECEIVE BUFFER ELEMENTS
!| COMM           |-->| COMMUNICATOR
!| IERR           |-->| ERROR VALUE
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!
      USE declarations_parallel
      USE declarations_special
      IMPLICIT NONE
!
!+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
!
      INTEGER, INTENT(IN)  :: NSEND(*),SEND_DISPL(*),SEND_DATYP,NRECV(*)
      INTEGER, INTENT(IN)  :: RECV_DISPL(*),RECV_DATYP
      INTEGER, INTENT(OUT) :: IERR
      TYPE(oil_type), INTENT(IN)  :: SEND_BUFFER(*)
!     NO DEFAULT INITIALISATION FOR USER TYPE COMPONENTS ALLOWED
      TYPE(oil_type), INTENT(INOUT) :: RECV_BUFFER(*)
!
!+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
!
      recv_buffer(1)%MYPID = 0
      ierr = 0
#if defined HAVE_MPI
!     TERMINATE ON MPI PARTS NOT HANDLED BY COMPAD
#  if defined COMPAD
      WRITE(lu,*) 'P_MPI_ALLTOALLV_OIL: COMPAD CRITICAL MPI OPERATION'
      WRITE(lu,*) '  PLEASE CONTACT JR @ ADJOINTWARE'
      CALL plante(1)
      stop
#  endif
      CALL mpi_alltoallv(send_buffer,nsend,send_displ,send_datyp,
     &                   recv_buffer,nrecv,recv_displ,recv_datyp,
     &                   comm,ierr)
!
      IF(ierr.NE.0) THEN
        WRITE(lu,*) 'P_MPI_ALLTOALLV_OIL:'
        WRITE(lu,*) 'MPI ERROR ',ierr
        CALL plante(1)
        stop
      ENDIF
#else
      WRITE(lu,*) 'CALL OF P_MPI_ALLTOALLV_OIL IN '//
     &            'ITS VOID VERSION'
#endif
!
!-----------------------------------------------------------------------
!
      RETURN
      END