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heimbach |
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C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_driftw.F,v 1.2 2004/10/11 16:38:53 heimbach Exp $ |
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heimbach |
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#include "COST_CPPOPTIONS.h" |
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subroutine cost_driftw( |
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I myiter, |
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I mytime, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE cost_Driftw |
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c ================================================================== |
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c |
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c o Evaluate cost function contribution of the w difference |
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c between the first and the last year. |
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c |
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c started: from cost_drift |
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c |
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c Armin Koehl akoehl@ucsd.edu 26-Feb-2002 |
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c |
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c ================================================================== |
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c SUBROUTINE cost_Driftw |
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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 "GRID.h" |
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#include "DYNVARS.h" |
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#include "cal.h" |
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#include "ecco_cost.h" |
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#include "ctrl.h" |
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#include "ctrl_dummy.h" |
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#include "optim.h" |
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c == routine arguments == |
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integer myiter |
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_RL mytime |
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integer mythid |
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c == local variables == |
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_RS one_rs |
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parameter( one_rs = 1. ) |
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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 ilw |
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integer nf, nl |
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_RL fctilew |
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_RL fcthread_wdrift |
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character*(80) fnamew |
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logical doglobalread |
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logical ladinit |
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character*(MAX_LEN_MBUF) msgbuf |
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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-- Read tiled data. |
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doglobalread = .false. |
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ladinit = .false. |
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#ifdef ALLOW_DRIFTW_COST_CONTRIBUTION |
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if (optimcycle .ge. 0) then |
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ilw = ilnblnk( wbarfile ) |
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write(fnamew(1:80),'(2a,i10.10)') |
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& wbarfile(1:ilw),'.',optimcycle |
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endif |
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if (nmonsrec.lt.12) then |
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print* |
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print*,' cost_Driftw: assimilation period smaller' |
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print*,' than 1 year, no drift computed.' |
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print* |
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stop ' ... stopped in cost_Driftw.' |
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endif |
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fcthread_wdrift = 0. _d 0 |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nr |
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do j = jmin,jmax |
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do i = imin,imax |
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wfmean(i,j,k,bi,bj) = 0.0 |
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wlmean(i,j,k,bi,bj) = 0.0 |
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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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nf = 0 |
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nl = 0 |
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c-- Loop over records. |
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do irec = 1,12 |
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c-- Read time averages and the monthly mean data. |
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call active_read_xyz( fnamew, wbar, irec, |
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& doglobalread, ladinit, |
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& optimcycle, mythid, |
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& xx_wbar_mean_dummy ) |
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nf = nf + 1 |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nr |
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do j = jmin,jmax |
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do i = imin,imax |
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wfmean(i,j,k,bi,bj) = wfmean(i,j,k,bi,bj) + |
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& wbar(i,j,k,bi,bj) |
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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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enddo |
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do irec = nmonsrec-12+1, nmonsrec |
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c-- Read time averages and the monthly mean data. |
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call active_read_xyz( fnamew, wbar, irec, |
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& doglobalread, ladinit, |
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& optimcycle, mythid, |
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& xx_wbar_mean_dummy ) |
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nl = nl + 1 |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nr |
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do j = jmin,jmax |
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do i = imin,imax |
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wlmean(i,j,k,bi,bj) = wlmean(i,j,k,bi,bj) + |
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& wbar(i,j,k,bi,bj) |
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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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enddo |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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c-- Loop over the model layers |
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fctilew = 0. _d 0 |
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do k = 1,nr |
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c-- Compute model misfit and cost function term for |
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c the vertical velovity field. The error is 1e-4 m/s. |
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do j = jmin,jmax |
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heimbach |
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do i = imin,imax |
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if (_hFacC(i,j,k,bi,bj) .ne. 0.) then |
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fctilew = fctilew + |
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& (2.5e11*cosphi(i,j,bi,bj)* |
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& (wlmean(i,j,k,bi,bj)/nl - wfmean(i,j,k,bi,bj)/nf)* |
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& (wlmean(i,j,k,bi,bj)/nl - wfmean(i,j,k,bi,bj)/nf)) |
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heimbach |
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if ( cosphi(i,j,bi,bj) .ne. 0. ) |
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& num_wdrift(bi,bj) = num_wdrift(bi,bj) + 1. _d 0 |
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endif |
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enddo |
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heimbach |
1.1 |
enddo |
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enddo |
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c-- End of loop over layers. |
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fcthread_wdrift = fcthread_wdrift + fctilew |
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objf_wdrift(bi,bj) = objf_wdrift(bi,bj) + fctilew |
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#ifdef ECCO_VERBOSE |
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c-- Print cost function for each tile in each thread. |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a,i8.8,1x,i3.3,1x,i3.3)') |
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& ' cost_Driftw: irec,bi,bj = ',irec,bi,bj |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a,d22.15)') |
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& ' cost function (wvel) = ', |
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& fctilet+fctiles |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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#endif |
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enddo |
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enddo |
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#ifdef ECCO_VERBOSE |
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c-- Print cost function for all tiles. |
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_GLOBAL_SUM_R8( fcthread_tdrift , myThid ) |
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_GLOBAL_SUM_R8( fcthread_tdrifs , myThid ) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a,i8.8)') |
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& ' cost_Drift: irec = ',irec |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a,a,d22.15)') |
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& ' cost function value', |
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& ' (wvel) = ',fcthread_tdrifw |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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#endif |
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#else |
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c-- Do not enter the calculation of the drift contribution to |
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c-- the final cost function. |
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_BEGIN_MASTER( mythid ) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a,a)') |
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& ' cost_Driftw: no contribution of drift between the first ', |
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& 'and the last year to cost function.' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a,a,i9.8)') |
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& ' cost_Driftw: number of records that would have', |
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& ' been processed: ',nmonsrec |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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_END_MASTER( mythid ) |
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#endif |
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return |
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end |
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