MODULE trcctl_cfc
   !!======================================================================
   !!                         ***  trcctl.cfc.F90  ***
   !! TOP :                Control of CFC chemical model
   !!======================================================================
   !!----------------------------------------------------------------------
   !! History :   1.0  !  2005-10 (C. Ethe) assign a parameter to name individual tracers
   !!----------------------------------------------------------------------

#if defined key_cfc

   USE oce_trc
   USE trc


   IMPLICIT NONE
   PRIVATE

   PUBLIC trc_ctl_cfc      ! called by ???

   !!----------------------------------------------------------------------
   !! NEMO/TOP 1.0 , LOCEAN-IPSL (2005) 
   !! $Id$ 
   !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt)
   !!----------------------------------------------------------------------

CONTAINS

   SUBROUTINE trc_ctl_cfc
      !!----------------------------------------------------------------------
      !!                     ***  ROUTINE trc_ctl_cfc  ***
      !!
      !! ** Purpose :   control the cpp options, namelist and files 
      !!----------------------------------------------------------------------
      INTEGER :: jl, jn

      IF(lwp) THEN
          WRITE(numout,*) ' CFC Model '
          WRITE(numout,*) ' '
      ENDIF

      ! Check number of tracers
      ! -----------------------   
      IF( jp_cfc > 2) THEN 
          IF(lwp) THEN 
              WRITE (numout,*) ' ===>>>> : w a r n i n g <<<<==='
              WRITE (numout,*)                             &
              &   ' STOP, change jp_cfc to 1 or 2 in par_CFC module '  
          END IF 
          STOP 'TRC_CTL'
      END IF 

      ! Check tracer names
      ! ------------------
      ctrcnm(jpc11) = 'CFC11'
      ctrcnl(jpc11) = 'Chlorofuorocarbone 11 concentration'

      IF ( jp_cfc == 2 ) THEN
          ctrcnm(jpc12) = 'CFC12'
          ctrcnl(jpc12) = 'Chlorofuorocarbone 12 concentration'
      ENDIF

      IF(lwp) THEN
         WRITE (numout,*) ' ===>>>> : w a r n i n g '
         WRITE (numout,*) ' =======   ============= '
         WRITE (numout,*) ' we force tracer names'
         DO jl = 1, jp_cfc
            jn = jp_cfc0 + jl - 1
            WRITE(numout,*) ' tracer nb: ',jn,' name = ',ctrcnm(jn), ctrcnl(jn)
         END DO
         WRITE(numout,*) ' '
      ENDIF


      ! Check tracer units
      ! ------------------
      DO jl = 1, jp_cfc
         jn = jp_cfc0 + jl - 1
        IF( ctrcun(jn) /= 'mole/m3' ) THEN
            ctrcun(jn) = 'mole/m3'
            IF(lwp) THEN
               WRITE (numout,*) ' ===>>>> : w a r n i n g <<<<==='
               WRITE (numout,*) ' we force tracer unit'
               WRITE(numout,*) ' tracer  ',ctrcnm(jn), 'UNIT= ',ctrcun(jn)
               WRITE(numout,*) ' '
            ENDIF 
         ENDIF 
      END DO              
      !
   END SUBROUTINE trc_ctl_cfc

#else
   !!----------------------------------------------------------------------
   !!  Empty module :                                                No CFC
   !!----------------------------------------------------------------------
CONTAINS
   SUBROUTINE trc_ctl_cfc                      ! Dummy routine
   END SUBROUTINE trc_ctl_cfc
#endif

   !!======================================================================
END MODULE trcctl_cfc