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C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_averagesflags.F,v 1.6 2012/08/10 19:45:25 jmc Exp $
C $Name: $
#include "ECCO_OPTIONS.h"
subroutine cost_AveragesFlags(
I myiter,
I mytime,
I mythid,
O first,
O last,
O startofday,
O startofmonth,
O startofyear,
O inday,
O inmonth,
O inyear,
O endofday,
O endofmonth,
O endofyear,
O sum1day,
O dayrec,
O sum1mon,
O monrec,
O sum1year,
O yearrec
& )
c ==================================================================
c SUBROUTINE cost_AveragesFlags
c ==================================================================
c
c o Get flags for the daily and monthly time averaging.
c
c started: Christian Eckert eckert@mit.edu 24-Feb-2000
c
c - Introduced in order to create a package for the
c MITgcmUV.
c
c changed:
c
c ==================================================================
c SUBROUTINE cost_AveragesFlags
c ==================================================================
implicit none
c == global variables ==
#include "EEPARAMS.h"
#include "SIZE.h"
#include "cal.h"
c == routine arguments ==
integer myiter
_RL mytime
integer mythid
logical first
logical startofday
logical startofmonth
logical startofyear
logical inday
logical inmonth
logical inyear
logical last
logical endofday
logical endofmonth
logical endofyear
integer sum1day
integer dayrec
integer sum1mon
integer monrec
integer sum1year
integer yearrec
c == local variables ==
integer mydate(4)
integer nextdate(4)
integer prevdate(4)
integer timediff(4)
integer datediff(4)
integer targetdate(4)
integer targetdate1
integer targetdate2
integer mydateday
integer mydatemonth
integer mydateyear
integer nextdateday
integer nextdatemonth
integer nextdateyear
integer prevdateday
integer prevdatemonth
integer prevdateyear
logical equal
c == external functions ==
logical cal_CompDates
external cal_CompDates
integer cal_NumInts
external cal_NumInts
c == end of interface ==
c-- First, get some dates.
call cal_GetDate( myiter, mytime, mydate, mythid )
call cal_GetDate( myiter+1, mytime+modelstep, nextdate, mythid )
call cal_TimeInterval( -modelstep, 'secs', timediff, mythid )
call cal_AddTime( mydate, timediff, prevdate, mythid )
ce print*,' time average flags: mydate = ', mydate
ce print*,' time average flags: nextdate = ', nextdate
ce print*,' time average flags: prevdate = ', prevdate
c-- Where are we with respect to the calendar?
c-- The very first model step?
equal = cal_CompDates(modelstartdate,mydate,mythid)
if ( equal ) then
first = .true.
dayrec = 0
monrec = 0
yearrec = 0
else
first = .false.
endif
c-- The very last model step?
equal = cal_CompDates(modelenddate,mydate,mythid)
if ( equal ) then
last = .true.
else
last = .false.
endif
c-- Start of a calendar day?
mydateday = mod(mydate(1),100)
prevdateday = mod(prevdate(1),100)
if ( mydateday .ne. prevdateday ) then
startofday = .true.
else
startofday = .false.
endif
c-- End of a calendar day?
mydateday = mod(mydate(1),100)
nextdateday = mod(nextdate(1),100)
if ( mydateday .ne. nextdateday ) then
endofday = .true.
else
endofday = .false.
endif
c-- In a calendar day? As coded here, inday can not be true
c-- for either the first or the last timestep in the day.
c-- So the cases are mutually exclusive.
if ( ( mydateday .eq. prevdateday ) .and.
& ( mydateday .eq. nextdateday ) ) then
inday = .true.
else
inday = .false.
endif
c-- Determine sum1day and dayrec explicitly.
if ( last .or. endofday ) then
if ( mydate(1) .eq. modelstartdate(1) ) then
call cal_CopyDate( modelstartdate, targetdate, mythid )
dayrec = 1
else
targetdate(1) = mydate(1)
targetdate(2) = 0
targetdate(3) = mydate(3)
targetdate(4) = mydate(4)
call cal_TimePassed( modelstartdate, targetdate, datediff,
& mythid )
if ( datediff(2) .eq. 0) then
dayrec = datediff(1) + 1
else
dayrec = datediff(1) + 2
endif
endif
call cal_TimeInterval( modelstep, 'secs', timediff, mythid )
sum1day =
& cal_NumInts( targetdate, mydate, timediff, mythid ) + 1
else
sum1day = 0
endif
c-- Start of a calendar month?
mydatemonth = mod(mydate(1)/100,100)
prevdatemonth = mod(prevdate(1)/100,100)
if ( mydatemonth .ne. prevdatemonth ) then
startofmonth = .true.
else
startofmonth = .false.
endif
c-- End of a calendar month?
mydatemonth = mod(mydate(1)/100,100)
nextdatemonth = mod(nextdate(1)/100,100)
if ( mydatemonth .ne. nextdatemonth ) then
endofmonth = .true.
else
endofmonth = .false.
endif
c-- In a calendar month? As coded here, inmonth can not be true
c-- for either the first or the last timestep in the month.
c-- So the cases are mutually exclusive.
if ( ( mydatemonth .eq. prevdatemonth ) .and.
& ( mydatemonth .eq. nextdatemonth ) ) then
inmonth = .true.
else
inmonth = .false.
endif
c-- Determine sum1mon and monrec explicitly.
if ( last .or. endofmonth ) then
if ( (mydate(1)/100)*100 .eq. (modelstartdate(1)/100)*100 ) then
call cal_CopyDate( modelstartdate, targetdate, mythid )
monrec = 1
else
targetdate1 = (mydate(1)/100)*100+1
targetdate2 = 0
call cal_FullDate( targetdate1, targetdate2, targetdate,
& mythid )
if ( mydate(1)/10000 .eq. modelstartdate(1)/10000 ) then
monrec = mod( mydate(1)/100, 100 )
& - mod( modelstartdate(1)/100, 100 ) + 1
else
monrec = mod( mydate(1)/100, 100 )
& + nmonthyear - mod(modelstartdate(1)/100,100) + 1
& + ( mydate(1)/10000 - modelstartdate(1)/10000 - 1)*
& nmonthyear
endif
endif
call cal_TimeInterval( modelstep, 'secs', timediff, mythid )
sum1mon =
& cal_NumInts( targetdate, mydate, timediff, mythid ) + 1
else
sum1mon = 0
endif
c-- Start of a Year?
mydateyear = int(mydate(1)/10000)
prevdateyear = int(prevdate(1)/10000)
if ( mydateyear .ne. prevdateyear ) then
startofyear = .true.
else
startofyear = .false.
endif
c-- End of a Year?
mydateyear = int(mydate(1)/10000)
nextdateyear = int(nextdate(1)/10000)
if ( mydateyear .ne. nextdateyear ) then
endofyear = .true.
else
endofyear = .false.
endif
c-- In a calendar year? As coded here, inyear can not be true
c-- for either the first or the last timestep in the year.
c-- So the cases are mutually exclusive.
if ( ( mydateyear .eq. prevdateyear ) .and.
& ( mydateyear .eq. nextdateyear ) ) then
inyear = .true.
else
inyear = .false.
endif
c-- Determine sum1year and yearrec explicitly.
if ( last .or. endofyear ) then
if ( int(mydate(1)/10000) .eq.
& int(modelstartdate(1)/10000) ) then
call cal_CopyDate( modelstartdate, targetdate, mythid )
yearrec = 1
else
targetdate1 = int(mydate(1)/10000)*10000+101
targetdate2 = 0
call cal_FullDate( targetdate1, targetdate2, targetdate,
& mythid )
yearrec = mydate(1)/10000 - modelstartdate(1)/10000 + 1
endif
c
call cal_TimeInterval( modelstep, 'secs', timediff, mythid )
sum1year =
& cal_NumInts( targetdate, mydate, timediff, mythid ) + 1
else
sum1year = 0
endif
end
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