#include "CTRL_CPPOPTIONS.h"

      subroutine ctrl_set_unpack_xy(
     &     lxxadxx, cunit, ivartype, fname, masktype, weighttype,
     &     nwetglobal, mythid)

c     ==================================================================
c     SUBROUTINE ctrl_set_unpack_xy
c     ==================================================================
c
c     o Unpack the control vector such that the land points are filled
c       in.
c
c     changed: heimbach@mit.edu 17-Jun-2003
c              merged Armin's changes to replace write of
c              nr * globfld2d by 1 * globfld3d
c              (ad hoc fix to speed up global I/O)
c
c     ==================================================================

      implicit none

c     == global variables ==

#include "EEPARAMS.h"
#include "SIZE.h"
#include "PARAMS.h"
#include "GRID.h"

#include "ctrl.h"
#include "optim.h"

c     == routine arguments ==

      logical lxxadxx
      integer cunit
      integer ivartype
      character*( 80)   fname, fnameGlobal
      character*(  5)   masktype
      character*( 80) weighttype
      integer nwetglobal(nr)
      integer mythid

c     == local variables ==

      integer bi,bj
      integer ip,jp
      integer i,j,k
      integer ii
      integer il
      integer irec,nrec_nl
      integer itlo,ithi
      integer jtlo,jthi
      integer jmin,jmax
      integer imin,imax

      integer cbuffindex

      _RL     globmsk  ( snx,nsx,npx,sny,nsy,npy,nr )
      _RL     globfld3d( snx,nsx,npx,sny,nsy,npy,nr )
      _RL     globfld2d( snx,nsx,npx,sny,nsy,npy )
      real*4  cbuff    ( snx*nsx*npx*sny*nsy*npy )

      character*(128) cfile
      character*( 80) weightname

      integer reclen,irectrue
      integer cunit2, cunit3
      character*(80) cfile2, cfile3
      real*4  cbufftmp( snx*nsx*npx*sny*nsy*npy )

c     == external ==

      integer  ilnblnk
      external ilnblnk

c     == end of interface ==

      jtlo = 1
      jthi = nsy
      itlo = 1
      ithi = nsx
      jmin = 1
      jmax = sny
      imin = 1
      imax = snx

      nbuffGlobal = nbuffGlobal + 1

c     Initialise temporary file
      do k = 1,nr
         do jp = 1,nPy
            do bj = jtlo,jthi
               do j = jmin,jmax
                  do ip = 1,nPx
                     do bi = itlo,ithi
                        do i = imin,imax
                           globfld3d(i,bi,ip,j,bj,jp,k) = 0. _d 0
                           globmsk  (i,bi,ip,j,bj,jp,k) = 0. _d 0
                        enddo
                     enddo
                  enddo
               enddo
            enddo
         enddo
      enddo

c--   Only the master thread will do I/O.
      _BEGIN_MASTER( mythid )

      if ( doPackDiag ) then
         write(cfile2(1:80),'(80a)') ' '
         write(cfile3(1:80),'(80a)') ' '
         if ( lxxadxx ) then
            write(cfile2(1:80),'(a,I2.2,a,I4.4,a)')
     &           'diag_unpack_nondim_ctrl_', 
     &           ivartype, '_', optimcycle, '.bin'
            write(cfile3(1:80),'(a,I2.2,a,I4.4,a)')
     &           'diag_unpack_dimens_ctrl_', 
     &           ivartype, '_', optimcycle, '.bin'
         else
            write(cfile2(1:80),'(a,I2.2,a,I4.4,a)')
     &           'diag_unpack_nondim_grad_', 
     &           ivartype, '_', optimcycle, '.bin'
            write(cfile3(1:80),'(a,I2.2,a,I4.4,a)')
     &           'diag_unpack_dimens_grad_', 
     &           ivartype, '_', optimcycle, '.bin'
         endif

         reclen = nWetGlobal(1)*4.
         call mdsfindunit( cunit2, mythid )
         open( cunit2, file=cfile2, status='new',
     &        access='direct', recl=reclen )
         call mdsfindunit( cunit3, mythid )
         open( cunit3, file=cfile3, status='new',
     &        access='direct', recl=reclen )
      endif

#ifdef ALLOW_NONDIMENSIONAL_CONTROL_IO
      il=ilnblnk( weighttype)
      write(weightname(1:80),'(80a)') ' '
      write(weightname(1:80),'(a)') weighttype(1:il)
      call MDSREADFIELD_2D_GL( 
     &     weightname, ctrlprec, 'RL',
     &     1, globfld2d, 1, mythid)
#endif
      
      call MDSREADFIELD_3D_GL( 
     &     masktype, ctrlprec, 'RL',
     &     Nr, globmsk, 1, mythid)

      nrec_nl=int(ncvarrecs(ivartype)/Nr)
      do irec = 1, nrec_nl
	 print *, 'ph-pack nrec_nl = ', irec, nrec_nl, ivartype,
     &          ncvarrecs(ivartype)
         do k = 1,Nr
         irectrue = (irec-1)*nr + k
         read(cunit) filencvarindex(ivartype)
         if (filencvarindex(ivartype) .NE. ncvarindex(ivartype))
     &        then
            print *, 'ctrl_set_unpack_xy:WARNING: wrong ncvarindex ',
     &           filencvarindex(ivartype), ncvarindex(ivartype)
            STOP 'in S/R ctrl_unpack'
         endif
         read(cunit) filej
         read(cunit) filei
            cbuffindex = nwetglobal(1)
            if ( cbuffindex .gt. 0 ) then
               read(cunit) filencbuffindex
               if (filencbuffindex .NE. cbuffindex) then
                  print *, 'WARNING: wrong cbuffindex ',
     &                 filencbuffindex, cbuffindex
                  STOP 'in S/R ctrl_unpack'
               endif
               read(cunit) filek
               if (filek .NE. 1) then
                  print *, 'WARNING: wrong k ',
     &                 filek, 1
                  STOP 'in S/R ctrl_unpack'
               endif
               read(cunit) (cbuff(ii), ii=1,cbuffindex)
c
               if ( doPackDiag )
     &              write(cunit2,rec=irectrue) 
     &              (cbuff(ii), ii=1,cbuffindex)
c
            endif
            cbuffindex = 0
            do jp = 1,nPy
             do bj = jtlo,jthi
              do j = jmin,jmax
               do ip = 1,nPx
                do bi = itlo,ithi
                 do i = imin,imax
                  if ( globmsk(i,bi,ip,j,bj,jp,1) .ne. 0. ) then
                     cbuffindex = cbuffindex + 1
                     globfld3d(i,bi,ip,j,bj,jp,k) = cbuff(cbuffindex)
#ifdef ALLOW_NONDIMENSIONAL_CONTROL_IO
                     if ( lxxadxx ) then
                        globfld3d(i,bi,ip,j,bj,jp,k) =
     &                       globfld3d(i,bi,ip,j,bj,jp,k)/
     &                       sqrt(globfld2d(i,bi,ip,j,bj,jp))
                     else
                        globfld3d(i,bi,ip,j,bj,jp,k) =
     &                       globfld3d(i,bi,ip,j,bj,jp,k)*
     &                       sqrt(globfld2d(i,bi,ip,j,bj,jp))
                     endif
cph(
                     cbufftmp(cbuffindex) =
     &                    globfld3d(i,bi,ip,j,bj,jp,k)
cph)
#endif
                  else
                     globfld3d(i,bi,ip,j,bj,jp,k) = 0. _d 0
                 endif
                 enddo
                enddo
               enddo
              enddo
             enddo
            enddo
c
            if ( doPackDiag )
     &           write(cunit3,rec=irectrue) 
     &           (cbufftmp(ii),ii=1,nwetglobal(1))
c
         enddo

         call MDSWRITEFIELD_3D_GL( fname, ctrlprec, 'RL',
     &                             NR, globfld3d,
     &                             irec,  optimcycle, mythid)

      enddo

      do irec = nrec_nl*Nr+1,ncvarrecs(ivartype)
         print  *, 'ph-pack nrec_nl+irec ', irec, nrec_nl, ivartype, 
     &             ncvarrecs(ivartype) 
#ifndef ALLOW_ADMTLM
         read(cunit) filencvarindex(ivartype)
         if (filencvarindex(ivartype) .NE. ncvarindex(ivartype))
     &        then
            print *, 'ctrl_set_unpack_xy:WARNING: wrong ncvarindex ',
     &           filencvarindex(ivartype), ncvarindex(ivartype)
            STOP 'in S/R ctrl_unpack'
         endif
         read(cunit) filej
         read(cunit) filei
#endif /* ndef ALLOW_ADMTLM */
         do k = 1,1
            irectrue = irec
            cbuffindex = nwetglobal(k)
#ifndef ALLOW_ADMTLM
            if ( cbuffindex .gt. 0 ) then
               read(cunit) filencbuffindex
               if (filencbuffindex .NE. cbuffindex) then
                  print *, 'WARNING: wrong cbuffindex ',
     &                 filencbuffindex, cbuffindex
                  STOP 'in S/R ctrl_unpack'
               endif
               read(cunit) filek
               if (filek .NE. k) then
                  print *, 'WARNING: wrong k ',
     &                 filek, k
                  STOP 'in S/R ctrl_unpack'
               endif
               read(cunit) (cbuff(ii), ii=1,cbuffindex)
c
               if ( doPackDiag )
     &              write(cunit2,rec=irectrue) 
     &              (cbuff(ii), ii=1,cbuffindex)
c
            endif
#else ALLOW_ADMTLM
            write(fnameGlobal(1:80),'(a)') ' '
            write(fnameGlobal,'(a,i4.4)') 
     &           'admtlm_vector.it', optimcycle
            call mdsreadvector( fnameGlobal, 64, 'RL',
     &           admtlmrec, cbuffGlobal, 1, 1, nbuffGlobal, mythid )
            do ii = 1, cbuffindex
               cbuff(ii) = cbuffGlobal(ii)
            enddo
#endif
            cbuffindex = 0
            do jp = 1,nPy
             do bj = jtlo,jthi
              do j = jmin,jmax
               do ip = 1,nPx
                do bi = itlo,ithi
                 do i = imin,imax
                  if ( globmsk(i,bi,ip,j,bj,jp,k) .ne. 0. ) then
                     cbuffindex = cbuffindex + 1
                     globfld3d(i,bi,ip,j,bj,jp,k) = cbuff(cbuffindex)
#ifdef ALLOW_NONDIMENSIONAL_CONTROL_IO
                     if ( lxxadxx ) then
                        globfld3d(i,bi,ip,j,bj,jp,k) = 
     &                       globfld3d(i,bi,ip,j,bj,jp,k)/
     &                       sqrt(globfld2d(i,bi,ip,j,bj,jp))
                     else
                        globfld3d(i,bi,ip,j,bj,jp,k) = 
     &                       globfld3d(i,bi,ip,j,bj,jp,k)*
     &                       sqrt(globfld2d(i,bi,ip,j,bj,jp))
                     endif
cph(
                     cbufftmp(cbuffindex) =
     &                    globfld3d(i,bi,ip,j,bj,jp,k)
cph)
#endif
                  else
                     globfld3d(i,bi,ip,j,bj,jp,k) = 0. _d 0
                  endif
                 enddo
                enddo
               enddo
              enddo
             enddo
            enddo
c
            if ( doPackDiag )
     &           write(cunit3,rec=irectrue) 
     &           (cbufftmp(ii), ii=1,nwetglobal(1))
c
         enddo
             
         call MDSWRITEFIELD_2D_GL( fname, ctrlprec, 'RL',
     &                             1, globfld3d(1,1,1,1,1,1,1),
     &                             irec,  optimcycle, mythid)

      enddo

      if ( doPackDiag ) then
         close ( cunit2 )
         close ( cunit3 )
      endif
 
      _END_MASTER( mythid )

      return
      end