spmd_h3d_sum_r_nodal_value.F File Reference

#include "implicit_f.inc"
#include "spmd.inc"
#include "task_c.inc"

Go to the source code of this file.

Functions/Subroutines
subroutine	spmd_h3d_sum_r_nodal_value (nodglob, v, len, vp0, lenp0)

Function/Subroutine Documentation

spmd_h3d_sum_r_nodal_value()

subroutine spmd_h3d_sum_r_nodal_value	(	integer, dimension(len), intent(in)	nodglob,
		dimension(len), intent(inout)	v,
		integer, intent(in)	len,
		dimension(lenp0), intent(inout)	vp0,
		integer, intent(in)	lenp0 )

Definition at line 31 of file spmd_h3d_sum_r_nodal_value.F.

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"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER  , INTENT(IN) :: LEN,LENP0, NODGLOB(LEN)
      my_real  , INTENT(INOUT) :: 
     .   v(len),vp0(lenp0)
C-----------------------------------------------
C   L O C A L   V A R I A B L E S
C-----------------------------------------------
      INTEGER J,K 
      real
     .       , DIMENSION(:), ALLOCATABLE ::  v_tmp,vp0_tmp
#ifdef MPI
      INTEGER STATUS(MPI_STATUS_SIZE),IERROR,I
 
        ALLOCATE(v_tmp(lenp0))
        ALLOCATE(vp0_tmp(lenp0))
 
        DO i=1,lenp0
           vp0_tmp(i)=zero
           v_tmp(i) = zero
        ENDDO
        DO k=1,len
           i=nodglob(k)
           vp0_tmp(i)=v(k)
        ENDDO
 
       IF (lenp0 > 0) THEN
        CALL mpi_reduce(vp0_tmp,v_tmp,lenp0,
     .                  mpi_real,mpi_sum,it_spmd(1),
     .                  spmd_comm_world,ierror)
       ENDIF
       IF (ispmd==0) THEN
         DO i=1,lenp0
          vp0(i) = v_tmp(i)
         END DO
       ENDIF
 
       DEALLOCATE(v_tmp,vp0_tmp)
#endif
       RETURN