source: branches/libIGCM/ORCA2_LIM/IGCM00/COMP/opa9.driver @ 1395

#!/bin/ksh
#-----------------------------------------------------------------
function OCE_Initialize
{
    IGCM_debug_PushStack "OCE_Initialize"

    JOB_NAME=${config_UserChoices_JobName}

########################################
# old version: less compact
#    if [ -z "${opa_UserChoices_OPA_NDT_DAY}" ] ; then
#  OPA_NDT_DAY=15
#    else
#  OPA_NDT_DAY=${opa_UserChoices_OPA_NDT_DAY}
#    fi
########################################
     OPA_NDT_DAY=${opa_UserChoices_OPA_NDT_DAY:=15}


    ##--Variables used by OPA --

    # cexper experience name for vairmer format
    # nit000 number of the first time step
    # nitend number of the last time step
    # nleapy leap year calendar (0/1) (30 for 360d)
    # nwrite frequency of OUTPUT file
    # ln_rstart boolean term for restart (true or false)
    # nstock frequency of restart file
    # nrstdt control of the time step (0, 1 or 2)
    # ndate0 initial calendar date aammjj
    # nmsh  =1 create a mesh file (coordinates, scale factors, masks)

# Local function to find namelists parameters
supergrep () {
    grep "^ *$1 *=" $2 | sed -e "s% *\!.*%%"
}


    PAT_CEXPER=$( supergrep cexper    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NIT000=$( supergrep nit000    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NITEND=$( supergrep nitend    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NLEAPY=$( supergrep nleapy    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NWRITE=$( supergrep nwrite    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_RESTAR=$( supergrep ln_rstart ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NSTOCK=$( supergrep nstock    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NRSTAR=$( supergrep nrstdt    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NDATE0=$( supergrep ndate0    ${SUBMIT_DIR}/PARAM/namelist )
    PAT_NMSH=$(   supergrep nmsh      ${SUBMIT_DIR}/PARAM/namelist ) 

    OPA_RDT=$( supergrep rdt  ${SUBMIT_DIR}/PARAM/namelist | sed 's/ *rdt *=//' | sed 's/\. *,//' )

    # Period Length In Days between DateBegin and first day of calendar 0001 01 01
    # /!\ Needed by OPA namelist to compute file names /!\
    (( DaysSinceJC = $( IGCM_date_DaysSinceJC ${DateBegin} ) + 1 ))

    IGCM_debug_PopStack "OCE_Initialize"
}

#-----------------------------------------------------------------
function OCE_Update
{
###    set -vx
    IGCM_debug_PushStack "OCE_Update"

    NbFreq=$( echo ${config_OCE_WriteFrequency} | wc -w )

    ##--Write Frequency Purpose ....
    frequency=$( echo ${config_OCE_WriteFrequency} | awk "-F " '{print $1}' )
    factor=$( echo ${frequency} | sed -e "s/[yYmMdD]//" )
    case ${frequency} in
   1Y|1y)
       (( OPA_NWRITE = OPA_NDT_DAY * factor * $( IGCM_date_DaysInYear  ${year} ) ))          ;
       PREFIX_NWRITE=${config_UserChoices_JobName}_${factor}y ;
       R_OUT_OCE_NWRITE=${R_OUT_OCE_O_Y} ;
       R_OUT_ICE_NWRITE=${R_OUT_ICE_O_Y} ;
       WF1=${factor}Y ;;
   1M|1m)
       (( OPA_NWRITE = OPA_NDT_DAY * factor * $( IGCM_date_DaysInMonth ${year} ${month} ) )) ;
       PREFIX_NWRITE=${config_UserChoices_JobName}_${factor}m ;
       R_OUT_OCE_NWRITE=${R_OUT_OCE_O_M} ;
       R_OUT_ICE_NWRITE=${R_OUT_ICE_O_M} ;
       WF1=${factor}M ;;
   *D|*d)
       (( OPA_NWRITE = OPA_NDT_DAY * factor  ))  ;
       PREFIX_NWRITE=${config_UserChoices_JobName}_${factor}d ;
       R_OUT_OCE_NWRITE=${R_OUT_OCE_O_D} ;
       R_OUT_ICE_NWRITE=${R_OUT_ICE_O_D} ;
       WF1=${factor}D ;;
   *)
       (( OPA_NWRITE = 0 ))                                                            ;;
    esac

    # Period Length In Days between DateBegin and first day of calendar 0001 01 01
    # Needed by OPA namelist to compute correct file names 
    (( PeriodDaysSinceJC =  $( IGCM_date_DaysSinceJC ${PeriodDateBegin} ) + 1  ))

    ## Count of number of time steps from begin of OPA job
    (( OPA_NIT000 = ( PeriodDaysSinceJC - DaysSinceJC ) * OPA_NDT_DAY + 1 ))
    (( OPA_NDT   = PeriodLengthInDays * OPA_NDT_DAY ))
    (( OPA_NITEND = OPA_NIT000 + OPA_NDT - 1))

    ## Forcing to write one restart file at the end of period
    OPA_NSTOCK="${OPA_NITEND}"

    ## Verification of number of time steps per day
    (( NB_SEC_DAY_MODEL = OPA_NDT_DAY * OPA_RDT ))
    (( NB_SEC_DAY = 60 * 60 * 24 ))

    if [ ${NB_SEC_DAY_MODEL} -ne ${NB_SEC_DAY} ]
   then
        echo " VERIFY OPA_NDT_DAY in opa9.card "
        exit
    fi

    ##-- Restart configuration
    if ( [ "${CumulPeriod}" -eq 1 ] && [ "${config_OCE_Restart}" = "n" ] ) ; then

        #echo "NO OPA RESTART"
   OPA_LRSTAR=.FALSE.
   OPA_NRSTDT=0
        #Put OPA_NMSH=0 when OPA runnig in parallel mode 
   OPA_NMSH=1
   ( [ X${BATCH_NUM_PROC_TOT} != X ] && [ "${BATCH_NUM_PROC_TOT}" -gt 1 ] ) && OPA_NMSH=0

    elif ( [ "${CumulPeriod}" -eq 1 ] && [ "${config_OCE_Restart}" = "y" ] ) ; then

        #echo "OPA RESTART"
   OPA_LRSTAR=.TRUE.
   OPA_NRSTDT=1
   OPA_NMSH=0

    else

        #echo "OPA RESTART"
   OPA_LRSTAR=.TRUE.
   OPA_NRSTDT=2
   OPA_NMSH=0

    fi
   
     ## nleapy configuration
   case ${config_UserChoices_CalendarType} in
         leap)
               OPA_NLEAPY=1;;
         noleap)
               OPA_NLEAPY=0;;
         360d)
               OPA_NLEAPY=30;;
      esac


        typeset -r PRECIS=8
   NEMO_END=$( echo $( awk "BEGIN { printf \"%0${PRECIS}d\",${OPA_NITEND} }" ) ) 

    sed -e "s%${PAT_CEXPER}%       cexper=\"${config_UserChoices_JobName}\"%" \
   -e "s%${PAT_NIT000}%       nit000=${OPA_NIT000}%"                    \
   -e "s%${PAT_NITEND}%       nitend=${OPA_NITEND}%"                    \
   -e "s%${PAT_NLEAPY}%       nleapy=${OPA_NLEAPY}%"                \
   -e "s%${PAT_NWRITE}%       nwrite=${OPA_NWRITE}%"                    \
   -e "s%${PAT_RESTAR}%       ln_rstart=${OPA_LRSTAR}%"                 \
   -e "s%${PAT_NSTOCK}%       nstock=${OPA_NSTOCK}%"                    \
   -e "s%${PAT_NRSTAR}%       nrstdt=${OPA_NRSTDT}%"                    \
   -e "s%${PAT_NDATE0}%       ndate0=${PeriodDateBegin}%"                \
   -e "s%${PAT_NMSH}%         nmsh=${OPA_NMSH}%"                        \
   namelist > namelist.tmp

    IGCM_sys_Mv namelist.tmp namelist

    echo 'Variables automatically updated in namelists'
    grep AUTO namelist*

    IGCM_debug_PopStack "OCE_Update"
}

#-----------------------------------
function OCE_Finalize
{
    IGCM_debug_PushStack "OCE_Finalize"

    if [ -f date.file ] ; then
        # Prefix use in opa.card AND in lim2.card :
   DATE_OPA=$( cat date.file | \
       sed "s/\ ${config_UserChoices_JobName}_[0-9]*[a-z]_\([0-9]*_[0-9]*\)_\ */\1/g" )
        ###DATE_OPA=$( $DATE_OPABF | cut -c1-30 )
   MainPrefix=${config_UserChoices_JobName}_1d_${DATE_OPA}
   SecondPrefix=${config_UserChoices_JobName}_5d_${DATE_OPA}
    fi

    echo FINALIZE OCE !!!

    IGCM_debug_PopStack "OCE_Finalize"
}