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heimbach |
1.4 |
C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_generic.F,v 1.3 2005/09/01 22:45:26 heimbach Exp $ |
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heimbach |
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#include "COST_CPPOPTIONS.h" |
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subroutine cost_generic( |
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& nnzbar, localbarfile, localbar, xx_localbar_mean_dummy, |
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1.2 |
& nnzobs, localobsfile, localobs, mult_local, |
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1.1 |
& nrecloc, localstartdate, localperiod, |
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& localmask, localweight, |
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& spminloc, spmaxloc, spzeroloc, |
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& objf_local, num_local, |
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& myiter, mytime, mythid ) |
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c ================================================================== |
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c SUBROUTINE cost_generic |
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c ================================================================== |
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c |
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c o Generic routine for evaluating time-dependent |
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c cost function contribution |
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c |
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c ================================================================== |
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c SUBROUTINE cost_generic |
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c ================================================================== |
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implicit none |
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c == global variables == |
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#include "EEPARAMS.h" |
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#include "SIZE.h" |
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#include "PARAMS.h" |
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#ifdef ALLOW_CAL |
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# include "cal.h" |
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#endif |
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#ifdef ALLOW_COST |
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# include "ecco_cost.h" |
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# include "optim.h" |
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1.4 |
# ifdef ALLOW_SEAICE |
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# include "SEAICE_COST.h" |
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# endif |
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1.1 |
#endif |
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c == routine arguments == |
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integer nnzbar |
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integer nnzobs |
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integer nrecloc |
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integer myiter |
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integer mythid |
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integer localstartdate(4) |
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_RL localbar (1-olx:snx+olx,1-oly:sny+oly,nnzbar,nsx,nsy) |
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_RL localobs (1-olx:snx+olx,1-oly:sny+oly,nnzobs,nsx,nsy) |
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_RL localweight(1-olx:snx+olx,1-oly:sny+oly,nnzobs,nsx,nsy) |
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_RL localmask (1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
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_RL xx_localbar_mean_dummy |
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1.2 |
_RL mult_local |
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1.1 |
_RL mytime |
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_RL localperiod |
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_RL spminloc |
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_RL spmaxloc |
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_RL spzeroloc |
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_RL objf_local(nsx,nsy) |
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_RL num_local(nsx,nsy) |
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character*(MAX_LEN_FNAM) localbarfile |
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character*(MAX_LEN_FNAM) localobsfile |
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#ifdef ALLOW_COST |
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c == local variables == |
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integer bi,bj |
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integer i,j,k |
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integer itlo,ithi |
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integer jtlo,jthi |
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integer jmin,jmax |
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integer imin,imax |
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integer irec |
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integer il |
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integer localrec |
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1.3 |
integer obsrec |
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1.1 |
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logical doglobalread |
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logical ladinit |
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_RL spval |
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parameter (spval = -9999. ) |
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1.1 |
_RL localwww |
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_RL localcost |
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_RL junk |
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_RL cmask (1-olx:snx+olx,1-oly:sny+oly,nnzobs) |
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character*(128) fname1, fname2 |
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character*(MAX_LEN_MBUF) msgbuf |
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cnew( |
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_RL daytime |
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_RL diffsecs |
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integer dayiter |
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integer daydate(4) |
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integer difftime(4) |
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integer middate(4) |
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integer yday, ymod |
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integer md, dd, sd, ld, wd |
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integer mody, modm |
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integer beginmodel, beginlocal |
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1.1 |
logical exst |
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cnew) |
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c == external functions == |
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integer ilnblnk |
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external ilnblnk |
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c == end of interface == |
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jtlo = mybylo(mythid) |
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jthi = mybyhi(mythid) |
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itlo = mybxlo(mythid) |
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ithi = mybxhi(mythid) |
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jmin = 1 |
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jmax = sny |
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imin = 1 |
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imax = snx |
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c-- Initialise local variables. |
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localwww = 0. _d 0 |
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1.2 |
do bj = jtlo,jthi |
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do bi = itlo,ithi |
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objf_local(bi,bj) = 0. _d 0 |
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num_local(bi,bj) = 0. _d 0 |
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enddo |
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enddo |
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1.1 |
c-- First, read tiled data. |
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doglobalread = .false. |
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ladinit = .false. |
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write(fname1(1:128),'(80a)') ' ' |
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il=ilnblnk( localbarfile ) |
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write(fname1(1:128),'(2a,i10.10)') |
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& localbarfile(1:il),'.',optimcycle |
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if ( .NOT. ( mult_local.EQ.0. .OR. localobsfile.EQ.' ' ) ) then |
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1.1 |
c-- Loop over records for the second time. |
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do irec = 1, nrecloc |
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if ( nnzbar .EQ. 1 ) then |
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call active_read_xy( fname1, localbar, irec, doglobalread, |
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& ladinit, optimcycle, mythid, |
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& xx_localbar_mean_dummy ) |
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else |
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call active_read_xyz( fname1, localbar, irec, doglobalread, |
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& ladinit, optimcycle, mythid, |
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& xx_localbar_mean_dummy ) |
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endif |
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cnew( |
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if ( localperiod .EQ. 86400. ) then |
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c-- assume daily fields |
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1.4 |
obsrec = irec |
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daytime = FLOAT(secondsperday*(irec-1)) |
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dayiter = hoursperday*(irec-1) |
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call cal_getdate( dayiter, daytime, daydate, mythid ) |
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call cal_convdate( daydate,yday,md,dd,sd,ld,wd,mythid ) |
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ymod = localstartdate(1)/10000 |
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if ( ymod .EQ. yday ) then |
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middate(1) = modelstartdate(1) |
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else |
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middate(1) = yday*10000+100+1 |
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endif |
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middate(2) = 0 |
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middate(3) = modelstartdate(3) |
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middate(4) = modelstartdate(4) |
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call cal_TimePassed( middate, daydate, difftime, mythid ) |
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call cal_ToSeconds( difftime, diffsecs, mythid ) |
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localrec = int(diffsecs/localperiod) + 1 |
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else |
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c-- assume monthly fields |
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1.3 |
beginlocal = localstartdate(1)/10000 |
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beginmodel = modelstartdate(1)/10000 |
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obsrec = |
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& ( beginmodel - beginlocal )*nmonthyear |
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& + ( mod(modelstartdate(1)/100,100) |
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& -mod(localstartdate(1)/100,100) ) |
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& + irec |
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mody = modelstartdate(1)/10000 |
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modm = modelstartdate(1)/100 - mody*100 |
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yday = mody + INT((modm-1+irec-1)/12) |
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1.1 |
localrec = 1 + MOD(modm-1+irec-1,12) |
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endif |
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il=ilnblnk(localobsfile) |
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write(fname2(1:128),'(2a,i4)') |
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& localobsfile(1:il), '_', yday |
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inquire( file=fname2, exist=exst ) |
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if (.NOT. exst) then |
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write(fname2(1:128),'(a)') localobsfile(1:il) |
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localrec = obsrec |
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endif |
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if ( localrec .GT. 0 ) then |
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call mdsreadfield( fname2, cost_iprec, cost_yftype, nnzobs, |
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& localobs, localrec, mythid ) |
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else |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nnzobs |
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do j = jmin,jmax |
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do i = imin,imax |
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localobs(i,j,k,bi,bj) = spval |
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enddo |
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enddo |
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enddo |
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enddo |
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enddo |
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1.1 |
endif |
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cnew) |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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localcost = 0. _d 0 |
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c-- Determine the mask on weights |
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do k = 1,nnzobs |
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do j = jmin,jmax |
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do i = imin,imax |
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cmask(i,j,k) = cosphi(i,j,bi,bj)*localmask(i,j,k,bi,bj) |
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if ( localobs(i,j,k,bi,bj) .lt. spminloc .or. |
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& localobs(i,j,k,bi,bj) .gt. spmaxloc .or. |
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& localobs(i,j,k,bi,bj) .eq. spzeroloc ) then |
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cmask(i,j,k) = 0. _d 0 |
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endif |
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enddo |
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enddo |
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enddo |
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c-- |
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do k = 1,nnzobs |
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do j = jmin,jmax |
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do i = imin,imax |
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localwww = localweight(i,j,k,bi,bj)*cmask(i,j,k) |
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junk = ( localbar(i,j,k,bi,bj) - |
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& localobs(i,j,k,bi,bj) ) |
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localcost = localcost + junk*junk*localwww |
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if ( localwww .ne. 0. ) |
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& num_local(bi,bj) = num_local(bi,bj) + 1. _d 0 |
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enddo |
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enddo |
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enddo |
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objf_local(bi,bj) = objf_local(bi,bj) + localcost |
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enddo |
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enddo |
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enddo |
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c-- End of second loop over records. |
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heimbach |
1.2 |
c-- End of mult_local or localobsfile |
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endif |
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heimbach |
1.1 |
#endif /* ifdef ALLOW_COST */ |
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end |
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