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!Environment Canada - Atmospheric Science and Technology License/Disclaimer, 
!                     version 3; Last Modified: May 7, 2008.
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***s/r rhs_ad - ADJ of rhs_tl 
*
#include "model_macros_f.h"
*

      subroutine rhs_ad() 1,1
*
      implicit none
*
*author
*     M.Tanguay
*
*revision
* v2_10 - Tanguay M.        - initial MPI version
* v2_21 - Tanguay M.        - reduce standard output as in model 
* v2_31 - Tanguay M.        - adapt for vertical hybrid coordinate 
*                           - adapt for tracers in tr3d  
* v3_03 - Tanguay M.        - Adjoint Lam and NoHyd configuration 
* v3_11 - Tanguay M.        - Correction TRAJ wk1m NoHyd 
*                           - AIXport+Opti+OpenMP for TLM-ADJ
* v3_21 - Tanguay M.        - Revision Openmp
*
*object
*     see id section
*     -----------------------------------------
*     REMARK:INPUT TRAJ:F_tm, F_qm, F_sm, F_fim
*     -----------------------------------------
*
*arguments
*     none
*
*implicits
#include "glb_ld.cdk"
#include "schm.cdk"
#include "lun.cdk"
#include "orh.cdk"
#include "p_geof.cdk"
#include "rhsc.cdk"
#include "vt1.cdk"
#include "nest.cdk"
#include "vt1m.cdk"
*
*modules
      integer  vmmlod, vmmget, vmmuld
      external vmmlod, vmmget, vmmuld 
*
      integer  pnerr, pnlod, pnlkey1(100), i, j, k 
*
      real*8, parameter :: ZERO_8 = 0.0
*     ______________________________________________________
*
      if(Lun_debug_L) write (Lun_out,1000)
*
      pnlkey1( 1) = VMM_KEY(ru)
      pnlkey1( 2) = VMM_KEY(rv)
      pnlkey1( 3) = VMM_KEY(rcn)
      pnlkey1( 4) = VMM_KEY(rth)
      pnlkey1( 5) = VMM_KEY(oru)
      pnlkey1( 6) = VMM_KEY(orv)
      pnlkey1( 7) = VMM_KEY(orcn)
      pnlkey1( 8) = VMM_KEY(orth)
      pnlkey1( 9) = VMM_KEY(ruw1)
      pnlkey1(10) = VMM_KEY(rvw1)
      pnlkey1(11) = VMM_KEY(ut1)
      pnlkey1(12) = VMM_KEY(vt1)
      pnlkey1(13) = VMM_KEY(tt1)
      pnlkey1(14) = VMM_KEY(qt1)
      pnlkey1(15) = VMM_KEY(fit1)
      pnlkey1(16) = VMM_KEY(st1)
      pnlkey1(17) = VMM_KEY(tdt1)
      pnlkey1(18) = VMM_KEY(psdt1)
      pnlod = 18 
      if (.not. Schm_hydro_L) then
         pnlkey1(pnlod+1) = VMM_KEY(rw)
         pnlkey1(pnlod+2) = VMM_KEY(rvv)
         pnlkey1(pnlod+3) = VMM_KEY(orw)
         pnlkey1(pnlod+4) = VMM_KEY(orvv)
         pnlkey1(pnlod+5) = VMM_KEY(wt1)
         pnlkey1(pnlod+6) = VMM_KEY(topo)
         pnlkey1(pnlod+7) = VMM_KEY(fipt1)
         pnlkey1(pnlod+8) = VMM_KEY(mut1)
         pnlod = pnlod+8
      endif
      if (G_lam) then
         pnlkey1(pnlod+1) = VMM_KEY(nest_u)
         pnlkey1(pnlod+2) = VMM_KEY(nest_v)
         pnlod = pnlod+2
      endif
*
*     TRAJECTORY
*     ----------
      pnlkey1(pnlod + 1 ) = VMM_KEY(tt1m)
      pnlkey1(pnlod + 2 ) = VMM_KEY(qt1m)
      pnlkey1(pnlod + 3 ) = VMM_KEY(st1m)
      pnlkey1(pnlod + 4 ) = VMM_KEY(fit1m)
      pnlod = pnlod + 4 
      if (.not. Schm_hydro_L) then
         pnlkey1(pnlod+1) = VMM_KEY(mut1m)
         pnlod = pnlod+1 
      endif
*
*     - - - - - - - - - - - - - 
      pnerr = vmmlod(pnlkey1,pnlod)
*     - - - - - - - - - - - - - 
      pnerr = VMM_GET_VAR(ru)
      pnerr = VMM_GET_VAR(rv)
      pnerr = VMM_GET_VAR(rcn)
      pnerr = VMM_GET_VAR(rth)
      pnerr = VMM_GET_VAR(oru)
      pnerr = VMM_GET_VAR(orv)
      pnerr = VMM_GET_VAR(orcn)
      pnerr = VMM_GET_VAR(orth)
      pnerr = VMM_GET_VAR(ruw1)
      pnerr = VMM_GET_VAR(rvw1)
      pnerr = VMM_GET_VAR(ut1)
      pnerr = VMM_GET_VAR(vt1)
      pnerr = VMM_GET_VAR(tt1)
      pnerr = VMM_GET_VAR(qt1)
      pnerr = VMM_GET_VAR(fit1)
      pnerr = VMM_GET_VAR(st1)
      pnerr = VMM_GET_VAR(tdt1)
      pnerr = VMM_GET_VAR(psdt1)
      if (.not. Schm_hydro_L) then
         pnerr = VMM_GET_VAR(rw)
         pnerr = VMM_GET_VAR(rvv)
         pnerr = VMM_GET_VAR(orw)
         pnerr = VMM_GET_VAR(orvv)
         pnerr = VMM_GET_VAR(wt1)
         pnerr = VMM_GET_VAR(topo)
         pnerr = VMM_GET_VAR(fipt1)
         pnerr = VMM_GET_VAR(mut1)
      else
         rw_   = 0
         rvv_  = 0
         orw_  = 0
         orvv_ = 0
         wt1_  = 0
         topo_ = 0
         fipt1_= 0
         mut1_ = 0
      endif
      if (G_lam) then
         pnerr = VMM_GET_VAR(nest_u)
         pnerr = VMM_GET_VAR(nest_v)
      else
         nest_u_   = 0
         nest_v_   = 0
      endif
*
*     TRAJECTORY
*     ----------
      pnerr = VMM_GET_VAR(tt1m)
      pnerr = VMM_GET_VAR(qt1m)
      pnerr = VMM_GET_VAR(st1m)
      pnerr = VMM_GET_VAR(fit1m)
      if (.not. Schm_hydro_L) pnerr = VMM_GET_VAR(mut1m) 
*
*     Perform the computation in the first 
*     cycle of Crank-Nicholson procedure only
*     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      if ( Orh_icn .eq. 1 ) then
*
         call rhsp_2_ad  (    ru,    rv,   rcn,   rth,      rw,     rvv,
     %                       oru,   orv,  orcn,  orth,     orw,    orvv,
     %                      ruw1,  rvw1,   ut1,   vt1,     tt1,     qt1,
     %                      fit1,   st1,  tdt1, psdt1,  nest_u,  nest_v,
     %                       wt1,  topo, fipt1,  mut1,
*
     %                                                    tt1m,    qt1m,
     %                     fit1m,  st1m, 
     %                                          mut1m,
*
     %                     LDIST_DIM,l_nk  )
*
      else
*
!$omp parallel 
*
         if (.not. Schm_hydro_L) then
!$omp do 
            do k=1,l_nk
            do j= 1, l_nj
            do i= 1, l_ni
*
               orvv(i,j,k) = rvv(i,j,k) + orvv(i,j,k)
               rvv (i,j,k) = ZERO_8 
*
               orw (i,j,k) = rw (i,j,k) + orw (i,j,k)
                rw (i,j,k) = ZERO_8
*
            end do
            end do
            end do
!$omp end do 
         endif
*
!$omp do 
         do k=1,l_nk
         do j= 1, l_nj
         do i= 1, l_ni
*
            orth(i,j,k) = rth(i,j,k) + orth(i,j,k)
             rth(i,j,k) = 0.
*
            orcn(i,j,k) = rcn(i,j,k) + orcn(i,j,k)
             rcn(i,j,k) = 0.
*
            orv (i,j,k) = rv (i,j,k) + orv (i,j,k)
             rv (i,j,k) = 0.
*
            oru (i,j,k) = ru (i,j,k) + oru (i,j,k)
             ru (i,j,k) = 0.
*
         end do
         end do
         end do
!$omp end do 
*
!$omp end parallel 
*
      endif
*
      pnerr = vmmuld(-1,0)
*
1000  format(3X,'ADJ of COMPUTE THE RIGHT-HAND-SIDES: (S/R RHS_AD)',/)

      return
      end