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!
C
C  X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
C

      subroutine inmi_P(pdp,pgdpsi,lddiab),12
*
***s/r inmi_P  - Compute the balanced increment of P.
*
*Author  : Luc Fillion - ARMA/EC - Feb. 2007
*Revision:
*: Luc Fillion - ARMA/EC - May 2010 - Implemented in v_11_01b of 3dvar.
*
*     -------------------
**    Purpose: Used for LA-XD-Var analysis
*
*Arguments
*     none
*
      implicit none
#include "taglam4d.cdk"
#include "comdim.cdk"
#include "comgrd_param.cdk"
#include "comcst.cdk"
#include "comcva.cdk"
#include "comgd0.cdk"
#include "comgd1.cdk"
#include "compdg.cdk"
#include "comlun.cdk"
#include "comcorr.cdk"
#include "comgdpar.cdk"
#include "comin.cdk"
#include "comode.cdk"
!
      logical lddiab
      real*8 pdp(ni,nflev,nj)
      real*8 pgdpsi(ni,nflev,nj)
!
      logical llwrite
      integer idim,ji,jj,jk,ifois
      data ifois/0/
      save ifois
!
      real*8 zgdpsi(ni,nflev,nj)
      real*8 zvort(ni,nflev,nj)
      real*8 zdiv(ni,nflev,nj)
      real*8 zp(ni,nflev,nj)
      real*8 zgz(ni,nflev,nj)
      real*8 zdel_tt(ni,nflev,nj)
      real*8 zdel_vort(ni,nflev,nj)
      real*8 zdel_div(ni,nflev,nj)
      real*8 zdel_psi(ni,nflev,nj)
      real*8 ztt0(ni,nflev,nj)
      real*8 zq0(ni,nflev,nj)
      real*8 zdel_lnps(ni,nj)
      real*8 zlnps(ni,nj)
      real*8 zps0(ni,nj)
*
**
      write(nulout,*) 'INMI_P BEGINS'
!
      write(nulout,*) 'inmi: lminend = ',lminend
      call vflush(nulout)
      if(.not.lminend) nsim3d=nsim3d-1
!
      llwrite = .false.
      if(nsim3d.eq.99.and.ifois.eq.0) then  ! avoid right iter but multiple simulations...
        llwrite = .true.
        ifois = 1
      endif
!
      idim = ni*nj*nflev
      call zero(idim,zdel_psi)
      call zero(idim,zdel_tt)
      call zero(idim,zdel_vort)
      call zero(idim,zdel_div)
      call zero(idim,zvort)
      call zero(idim,zdiv)
      call zero(idim,zp)
      call zero(idim,zgz)
      idim = ni*nj
      call zero(idim,zdel_lnps)
      call zero(idim,zlnps)
!
      do ji=1,ni
      do jj=1,nj
      do jk=1,nflev
        ztt0(ji,jk,jj) = tt0(ji,jk,jj)
        zq0(ji,jk,jj) = q0(ji,jk,jj)
      enddo
      zps0(ji,jj) = gps0(ji,1,jj)
      enddo
      enddo
!
      call inmi_tend0(zvort,zdiv,zgz,zlnps,pgdpsi,llwrite,lddiab)
!ping      call tlinbal(pdp,zdiv,llwrite)
!
      do ji=1,ni
      do jj=1,nj
      do jk=1,nflev
        tt0(ji,jk,jj) = ztt0(ji,jk,jj)
        q0(ji,jk,jj) = zq0(ji,jk,jj)
      enddo
      gps0(ji,1,jj) = zps0(ji,jj)
      enddo
      enddo
!
      if(.not.lminend) nsim3d=nsim3d+1
!
      return
      end