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exf_swapffields.F
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exf_swapffields.F
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C $Header: /u/gcmpack/MITgcm/pkg/exf/exf_swapffields.F,v 1.7 2011/09/02 18:22:24 jmc Exp $
C $Name: $
#include "EXF_OPTIONS.h"
C-- File exf_swapffields.F: Routines to swap 2 fields
C-- Contents
C-- o EXF_SWAPFFIELDS
C-- o EXF_SWAPFFIELDS_3D
C-- o EXF_SWAPFFIELDS_XZ
C-- o EXF_SWAPFFIELDS_YZ
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
SUBROUTINE EXF_SWAPFFIELDS(
O ffld0,
U ffld1,
I myThid )
C ==================================================================
C SUBROUTINE exf_SwapFFields
C ==================================================================
C
C o Copy a forcing field ffld1 to ffld0 and set ffld0 to zero.
C
C started: Christian Eckert eckert@mit.edu 30-Jun-1999
C
C changed: Christian Eckert eckert@mit.edu 14-Jan-2000
C
C - Restructured the code in order to create a package
C for the MITgcmUV.
C
C Christian Eckert eckert@mit.edu 12-Feb-2000
C
C - Changed Routine names (package prefix: exf_)
C
C ==================================================================
C SUBROUTINE exf_SwapFFields
C ==================================================================
IMPLICIT NONE
C == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
C == routine arguments ==
_RL ffld0(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
_RL ffld1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
INTEGER myThid
C == local variables ==
INTEGER bi, bj
INTEGER i, j
C == end of interface ==
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
DO j = 1,sNy
DO i = 1,sNx
ffld0(i,j,bi,bj) = ffld1(i,j,bi,bj)
ffld1(i,j,bi,bj) = 0. _d 0
ENDDO
ENDDO
ENDDO
ENDDO
RETURN
END
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
SUBROUTINE EXF_SWAPFFIELDS_3D(
O ffld0,
U ffld1,
I nNz, myThid )
C ==================================================================
C SUBROUTINE exf_SwapFFields_3d
C ==================================================================
C
C o Copy a forcing field ffld1 to ffld0 and set ffld0 to zero.
C
C ==================================================================
C SUBROUTINE exf_SwapFFields
C ==================================================================
IMPLICIT NONE
C == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
C == routine arguments ==
C nNz :: number of levels to process
INTEGER nNz
_RL ffld0(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nNz,nSx,nSy)
_RL ffld1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nNz,nSx,nSy)
INTEGER myThid
C == local variables ==
INTEGER bi, bj
INTEGER i, j, k
C == end of interface ==
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
DO k = 1,nNz
DO j = 1,sNy
DO i = 1,sNx
ffld0(i,j,k,bi,bj) = ffld1(i,j,k,bi,bj)
ffld1(i,j,k,bi,bj) = 0. _d 0
ENDDO
ENDDO
ENDDO
ENDDO
ENDDO
RETURN
END
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
SUBROUTINE EXF_SWAPFFIELDS_XZ(
O ffld0,
U ffld1,
I nNz, myThid )
C ==================================================================
C SUBROUTINE exf_swapffields_xz
C ==================================================================
C
C o Copy a forcing field ffld1 to ffld0 and set ffld0 to zero.
C
C started: heimbach@mit.edu 01-May-2001
C
C ==================================================================
C SUBROUTINE exf_swapffields_xz
C ==================================================================
IMPLICIT NONE
C == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
C == routine arguments ==
C nNz :: number of levels to process
INTEGER nNz
_RL ffld0(1-OLx:sNx+OLx,nNz,nSx,nSy)
_RL ffld1(1-OLx:sNx+OLx,nNz,nSx,nSy)
INTEGER myThid
C == local variables ==
INTEGER bi, bj
INTEGER i, k
C == end of interface ==
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
DO k = 1,nNz
DO i = 1,sNx
ffld0(i,k,bi,bj) = ffld1(i,k,bi,bj)
ffld1(i,k,bi,bj) = 0. _d 0
ENDDO
ENDDO
ENDDO
ENDDO
RETURN
END
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
SUBROUTINE EXF_SWAPFFIELDS_YZ(
O ffld0,
U ffld1,
I nNz, myThid )
C ==================================================================
C SUBROUTINE exf_swapffields_yz
C ==================================================================
C
C o Copy a forcing field ffld1 to ffld0 and set ffld0 to zero.
C
C started: heimbach@mit.edu 01-May-2001
C
C ==================================================================
C SUBROUTINE exf_swapffields_yz
C ==================================================================
IMPLICIT NONE
C == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
C == routine arguments ==
C nNz :: number of levels to process
INTEGER nNz
_RL ffld0(1-OLy:sNy+OLy,nNz,nSx,nSy)
_RL ffld1(1-OLy:sNy+OLy,nNz,nSx,nSy)
INTEGER myThid
C == local variables ==
INTEGER bi, bj
INTEGER j, k
C == end of interface ==
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
DO k = 1,nNz
DO j = 1,sNy
ffld0(j,k,bi,bj) = ffld1(j,k,bi,bj)
ffld1(j,k,bi,bj) = 0. _d 0
ENDDO
ENDDO
ENDDO
ENDDO
RETURN
END