spmd_lagbounds_exch_i22.F

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!||====================================================================
!||    spmd_lagbounds_exch_i22   ../engine/source/mpi/interfaces/spmd_lagbounds_exch_i22.f
!||--- called by ------------------------------------------------------
!||    i22main_tri               ../engine/source/interfaces/intsort/i22main_tri.F
!||--- calls      -----------------------------------------------------
!||--- uses       -----------------------------------------------------
!||    message_mod               ../engine/share/message_module/message_mod.F
!||    spmd_comm_world_mod       ../engine/source/mpi/spmd_comm_world.F90
!||====================================================================
      SUBROUTINE spmd_lagbounds_exch_i22(
     1   BMINMAL_SPMD, BMINMAL   ,ISENDTO, IRCVFROM , NIN    )  
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE message_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
        USE spmd_comm_world_mod, ONLY : spmd_comm_world
#include      "implicit_f.inc"
C-----------------------------------------------
C   M e s s a g e   P a s s i n g
C-----------------------------------------------
#include "spmd.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "com01_c.inc"
#include      "com04_c.inc"
#include      "task_c.inc"
#include      "timeri_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER ::
     .        isendto(ninter+1,*), ircvfrom(ninter+1,*), nin
 
      my_real
     .        bminmal(6), bminmal_spmd(6, nspmd)
C-----------------------------------------------
C   L o c a l  V a r i a b l e s
C-----------------------------------------------
#ifdef MPI
      INTEGER MSGTYP, LOC_PROC,P, MSGOFF,
     .        status(mpi_status_size),ierror,req_sb(nspmd),
     .        req_rb(nspmd),kk,nbirecv,irindexi(nspmd),
     .        req_rd(nspmd),req_sd(nspmd),req_sd2(nspmd),
     .        req_rc(nspmd),req_sc(nspmd),
     .        isindexi(nspmd),
     .        nbx,nby,nbz
      my_real
     .        bminma(6,nspmd),
     .        xmaxb,ymaxb,zmaxb,xminb,yminb,zminb
      my_real ::
     .        dx, dy, dz,
     .        xmin,ymin,zmin,xmax,ymax,zmax
      LOGICAL ::
     .        test
      DATA msgoff/142/
 
C-----------------------------------------------
C   S o u r c e  L i n e s
C-----------------------------------------------
C
C=======================================================================
C     Exchanging each local lagrangian bounds.
C=======================================================================
      IF(nspmd == 1)RETURN      !precondition
      loc_proc = ispmd + 1
      !-------------------------------------------!
      !    Domain Bounds from i22xsave            !
      !-------------------------------------------!
      bminma(1,loc_proc) = bminmal(1)
      bminma(2,loc_proc) = bminmal(2)
      bminma(3,loc_proc) = bminmal(3)
      bminma(4,loc_proc) = bminmal(4)
      bminma(5,loc_proc) = bminmal(5)
      bminma(6,loc_proc) = bminmal(6)
      !-------------------------------------------!
      !  Local Lagrangian Domain Bounds Sending   !
      !-------------------------------------------!
      DO p = 1, nspmd
        IF(p/=loc_proc) THEN
          msgtyp = msgoff
          CALL mpi_isend(
     .      bminma(1,loc_proc),6  ,real  ,it_spmd(p),msgtyp,
     .      spmd_comm_world    ,req_sb(p),ierror)
        ENDIF
      ENDDO
      !-------------------------------------------!
      ! Remote Lagrangian Domain Bounds Receiving !
      !-------------------------------------------!
      nbirecv=0
      DO p = 1, nspmd
        IF(loc_proc/=p) THEN
          nbirecv=nbirecv+1
          irindexi(nbirecv)=p
          msgtyp = msgoff
          CALL mpi_recv(
     .      bminma(1,p)   ,6      ,real  ,it_spmd(p),msgtyp,
     .      spmd_comm_world,status,ierror)
        ENDIF
      ENDDO
      !-------------------------------------------!
      !     MPI_WAITING                           !
      !-------------------------------------------!
      DO p = 1, nspmd
        IF(p/=loc_proc) THEN
          CALL mpi_wait(req_sb(p),status,ierror)
        ENDIF
      ENDDO
      !-------------------------------------------!
      ! Returning complete bounds data
      bminmal_spmd = bminma
#endif
      RETURN
      END