!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer, 
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms 
!of the Environment Canada - Atmospheric Science and Technology License/Disclaimer 
!version 3 or (at your option) any later version that should be found at: 
!http://collaboration.cmc.ec.gc.ca/science/rpn.comm/license.html 
!
!This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
!without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
!See the above mentioned License/Disclaimer for more details.
!You should have received a copy of the License/Disclaimer along with this software; 
!if not, you can write to: EC-RPN COMM Group, 2121 TransCanada, suite 500, Dorval (Quebec), 
!CANADA, H9P 1J3; or send e-mail to service.rpn@ec.gc.ca
!-------------------------------------- LICENCE END --------------------------------------
      integer ifd_maxf
      parameter (ifd_maxf = 5000)
      character*3 ifd_ftype
      character*15 ifd_fnext(ifd_maxf)
      logical ifd_needit(ifd_maxf)
      integer ifd_niad, ifd_njad, ifd_niaf, ifd_njaf, ifd_nf,
     $        ifd_minx(ifd_maxf), ifd_maxx(ifd_maxf), 
     $        ifd_miny(ifd_maxf), ifd_maxy(ifd_maxf)
      real ifd_xia(ifd_maxf),ifd_xfa(ifd_maxf),
     $     ifd_yia(ifd_maxf),ifd_yfa(ifd_maxf)
      common /ifd_c/ ifd_ftype,ifd_fnext
      common /ifd_l/ ifd_needit
      common /ifd_i/ ifd_niad, ifd_njad, ifd_niaf, ifd_njaf, ifd_nf,
     $               ifd_minx, ifd_maxx, ifd_miny, ifd_maxy
      common /ifd_r/ ifd_xia,ifd_xfa,ifd_yia,ifd_yfa