spmd_h3d_gather_r.F

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!||====================================================================
!||    spmd_h3d_gather_r     ../engine/source/output/h3d/spmd/spmd_h3d_gather_r.F
!||--- called by ------------------------------------------------------
!||    genh3d                ../engine/source/output/h3d/h3d_results/genh3d.F
!||--- calls      -----------------------------------------------------
!||--- uses       -----------------------------------------------------
!||    spmd_comm_world_mod   ../engine/source/mpi/spmd_comm_world.F90
!||====================================================================
       SUBROUTINE spmd_h3d_gather_r(V,LEN,VP0,LENP0)
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"
#include "spmd.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "task_c.inc"
#include      "com01_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
       INTEGER LEN,LENP0
       my_real
     .   v(len),vp0(lenp0)
 
C-----------------------------------------------
C   L O C A L   V A R I A B L E S
C-----------------------------------------------
       INTEGER IAD
#ifdef MPI
      INTEGER STATUS(MPI_STATUS_SIZE),IERROR,
     .        MSGTYP,I,SIZ,LENP(NSPMD),DISP(NSPMD)
 
 
 
         
        CALL mpi_gather(
     s    len           ,1     ,mpi_integer,
     r    lenp          ,1     ,mpi_integer,it_spmd(1),
     g    spmd_comm_world,ierror)
C
        iad=0
        IF(ispmd == 0)THEN
          DO i=1,nspmd
            disp(i) = iad
            iad = iad+lenp(i)
          END DO
        END IF
C
        CALL mpi_gatherv(
     s    v             ,len   ,real,
     r    vp0           ,lenp  ,disp,real,it_spmd(1),
     g    spmd_comm_world,ierror)
#endif
       RETURN
       END