CCC $Header$ 
CCC  TOP 1.0 , LOCEAN-IPSL (2005) 
C This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt 
C ---------------------------------------------------------------------------
CCC
CCC                       trcrst.mpp.h
CCC                     ***************
CCC
CDIR$ NOLIST
      USE oce_trc
      USE trc
      USE sms
      IMPLICIT NONE
CDIR$ LIST
#if defined key_passivetrc
CC----------------------------------------------------------------------
CC local declarations
CC ==================
      INTEGER ino0,ino1,it0,it1,idast1,jn,iarak0,iarak1

C
C
C 0. initialisations
C ------------------
C
      ino0 =no
      it0  =nit000

#if defined key_trc_cen2
      iarak0=1
#else
      iarak0=0
#endif
C
      IF(lwp) THEN
          WRITE(numout,*) ' '
          WRITE(numout,*) ' *** trcrst beginning of restart for'
          WRITE(numout,*) ' passive tracer'
          WRITE(numout,*) ' the present run :'
          WRITE(numout,*) '   number job is  : ',no
          WRITE(numout,*) '   with the time nit000 : ',nit000
          IF(iarak0.eq.1) then
              WRITE(numout,*) '   and before fields for Arakawa sheme '
          ENDIF 
          WRITE(numout,*) ' '
      ENDIF
C
C 1. READ
C -------
C
C 1.1 first record
C
      READ(nutrst,REC=1) ino1,it1,iarak1
C
      IF(lwp) THEN
          WRITE(numout,*) ' '
          WRITE(numout,*) ' READ nutrst with '
          WRITE(numout,*) '   number job is  : ',ino1
          WRITE(numout,*) '   with the time it : ',it1
          IF(iarak1.eq.1) then
              WRITE(numout,*) '   and before fields for Arakawa sheme '
          ENDIF 
          WRITE(numout,*) ' '
      ENDIF
C
C 1.2 control of date
C
      IF((it0-it1).ne.1.and.abs(nrsttr).eq.1) THEN
          IF(lwp) THEN
              WRITE(numout,*) ' ===>>>> : problem with nit000 for the',
     $            ' passive tracer restart'
              WRITE(numout,*) ' =======                              ',
     $            ' ======================'
              WRITE(numout,*) ' we stop. verify the FILE'
              WRITE(numout,*) ' or rerun with the value  0 for the'
              WRITE(numout,*) ' control of time PARAMETER   nrstdt'
              WRITE(numout,*) ' '
          ENDIF
          STOP 'trcrst'
      ENDIF
C
C 1.3 Control of the sheme
C
      IF(iarak0.ne.iarak1) THEN
          IF(lwp) THEN
              WRITE(numout,*) ' ===>>>> : problem with the',
     $            ' passive tracer restart file'
              WRITE(numout,*) ' =======                              ',
     $            ' ==========================='
              WRITE(numout,*) ' we stop. verify the FILE'
              WRITE(numout,*) ' before field required IF 1=',iarak0
              WRITE(numout,*) ' before field present in file IF 1=',
     $            iarak1
              WRITE(numout,*) ' '
          ENDIF
          STOP 'trcrst'
      ENDIF

C
C 1.4 READ prognostic variables
C
      DO jn=1,jptra
        CALL read3(nutrst,trn(1,1,1,jn), jn + 1 )
      END DO

      DO jn=1,jptra
        CALL read3(nutrst,trb(1,1,1,jn), jptra + jn + 1 )
      END DO