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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.255 by heimbach, Wed Feb 18 22:34:52 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint52j_post
7    o fix nchklev in tamc.h for global_ocean...
8    o Bringing flow and store directives up-to-date
9    o Really weird thing!
10      call do_the_model_io from the_main_loop with parameters
11      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
12      TAF places a faulty re-call of initialise_varia
13      after cost_final call which should not be there!
14    checkpoint52j_pre
15    
16    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
17      error messages
18    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
19    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
20      debug output
21    o modfied mdsio_writefield.F to handle non-global files under exch2
22    o update AIM Cubed-Sphere exp (aim.5l_cs):
23      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
24    o update AIM Equatorial Channel exp:
25      use standard aim_v23 pkg and change the SST fields to be more realistic.
26    o globalFile now works with exch2
27    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
28      mon_vort3.F to make exch2 friendly with >1 tile per cube face
29    o limit timeave output for hi-res integrations
30    
31    checkpoint52i_post
32    o removed CPP_EEOPTIONS.h from verification/*/code
33    o updated the tiling for global_ocean_pressure
34    checkpoint52i_pre
35    
36    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
37      the old pkg/aim).
38    
39    checkpoint52h_pre
40    o shortened offending lines in exch2_send_rx?.template
41    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
42    o genmake2: add build & execute test for NetCDF code
43    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
44      old grid files, moved CPP_EEMACROS.h to pkg/exch2
45    o added useSingleCPUIO flag to monitor.F and mon_out.F
46    o added temporary hack for sea-ice dynamics on the cube:
47      metric terms are ignored and it is assumed that
48      there is no sea-ice on cube faces 1, 2, 4, and 5.
49    
50    checkpoint52f_post
51    o added exch2 cube routines to pkg/exch2
52    o modified hs94.cs-32x32x5 to use it
53    o added new grid files to hs94.cs-32x32x5
54    checkpoint52f_pre
55    
56    checkpoint52e_post
57    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
58      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
59    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
60      to work with implicit vertical advection and AB ;
61    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
62    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
63     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
64    checkpoint52e_pre
65    
66    o fix bug in impldiff when Nr=1 or Nr=2.
67    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
68    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
69    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
70      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
71    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
72    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
73    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
74    
75    checkpoint52d_post
76    o re-tiled many expts to allow comparison in multi-processor mode
77      - updated output accordingly
78      - changed hs94.128x64x5 to use intial T from file rather than use the
79        random number generator
80    o add infrastructure in model routines for fizhi and gridalt packages
81    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
82    o changes to permit hi-res, cubed-sphere, configuration
83      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
84      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
85      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
86        of surface winds for the cube
87      (A verification experiment, based on global_ocean.cs32x15, but with
88       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
89       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
90       complete with example surface forcing files and matlab scripts to look
91       at the output and compare it with that of global_ocean.cs32x15.)
92    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
93       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
94       to conform to the common rule.
95    o check-in the first version of the coupler + interfaces for multi-components
96       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
97       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
98       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
99       - ocean and atmos. share the same horizontal grid (no interpolation).
100       - exchanges between component and coupler is done in forward_step
101    o new verification experiment, cpl_aim+ocn:
102       coupled ocean - AIM atmosphere on cs32 grid.
103    
104    checkpoint52d_pre
105    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
106    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
107    
108    checkpoint52c_post
109    o Fixing OPTIONS files for use of exf:
110      - ALLOW_ECCO not needed
111      - ECCO_CPPOPTIONS.h should not be included from
112        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
113        as has been the case in the past
114      - All cal/exf related options are currently set in
115        single header file. Should remain so until we
116        agree on a consistent new policy.
117    o Removed all CPP options for cal package.
118      cal has no more CPP options.
119    o modified STOREs in GAD_ADVECTION
120    o corrected key comp. for passkey
121    
122    checkpoint52b_post
123    o new version: "thsice" of thermodynamic sea-ice pkg:
124     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
125     - modify fluxes but do not change theta directly;
126     - light cleaning of bulk_force pkg (still needed with thsice).
127     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
128       + output_thsice.txt to test thsice & bulk_force pkgs.
129    o put back grid & coriolis monitor output.
130    checkpoint52b_pre
131    
132    o call "do_the_model_io" at the beginning (=> dump initial state)
133    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
134    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
135      (need info on NUMBER_OF_PTRACERS)
136    o missing PTRACERS headers in some routines
137    o default tamc.h in pkg/autodiff supposed to crash
138      to ensure proper customization
139    
140    checkpoint52a_post
141    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
142      - moved surfaceTendencyTice from pkg/seaice to main code
143      - subroutine FREEZE_SURFACE now limits only surface temperature
144        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
145        => new output.txt for global_ocean.cs32x15 & global_with_exf
146      - keep the old version of FREEZE for backward compatibility;
147        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
148      - corresponding modifs for TAF directives
149    o added surface flux output variables to TIMEAVE_STATVARS
150    o time-averaged output for pkg/ptracers
151    o fix problem with ECCO-related divided adjoint
152      snapshot file was missing some ad-variables,
153      but no warning issued by TAF
154    
155    checkpoint52a_pre
156    o some bug fixes for #undef REAL4_IS_SLOW
157    
158    checkpoint52 = ecco_c52_e35
159    o after testing adjoints of checkpoint51u_post
160    
161    checkpoint51u_post
162    o this is the post-merge tag of the ecco-branch
163      (needs another clean checkout and re-testing)
164    o various natl_box_adjoint configs and results
165      but no input fields
166    o obcs adjoint not yet merged!
167    o adding ECCO global 1x1 and 2x2 degree configs
168    o updated/extended some store directives for seaice
169    o pkg/ecco now containes ecco-specific part of cost function
170    o top level routines the_main_loop, forward_step
171      supersede those in model/src/
172      previous input data.cost now in data.ecco
173      (new namelist ecco_cost_nml)
174    o in ctrl/ cleaned some cross-dependencies and updated CPP options
175    
176    checkpoint51t_post
177    o this is the pre-merge tag of the ecco-branch
178    
179    checkpoint51s_post
180    o cleanup: removed various obsolete #define-s
181    o pkg/grdchk
182      - renamed 'ph-grd 3' to 'grad-res'
183      - merged from ecco-branch
184        (remaining bug fixes for obcs gradient checks)
185      - additional high-precision output for testreport
186        (grep for 'precision_grdchk_result')
187    
188    checkpoint51r_post
189    o cleaned up or removed CPP_OPTIONS.h files
190    o updated results for some of the tests to reflect the new
191      optfiles (-ieee: -O0 instead of -O3)
192    
193    checkpoint51q_post
194    o cd_code:
195      - moved cd_scheme.F -> cd_code_scheme.F
196      - separate read_checkpoint from cd_code_ini_vars.F
197      - separated cd_code part from write_checkpoint
198      - updated AD_SOURCE, generated .flow
199      - added CD_CODE_VARS.h to the_main_loop
200      - Moving cd_code specific store dir.s to pkg/cd_code
201    o ctrl package totally restructured
202      - pack/unpack now optional and decoupled from
203        xx_/adxx_ I/O
204      - ctrl_pack/unpack cleaned
205        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
206      - confined inclusion of AD_CONFIG.h to where necessary.
207    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
208    
209    checkpoint51p_post
210    o create initial cd_code package
211      - WARNING: the initialization of fields within packages
212        is broken because INI_FIELDS (where READ_CHECKPOINT is
213        called) is called *before* PACKAGES_INIT_VARIABLES.
214        This seems to be backwards since
215        1) its important to initially zero the entire field including
216           the "halo" region
217        2) zeroing needs to be done *before* reading pickup info
218           and the pickup call might or might not happen in any
219           particular run
220      - this needs an overhaul for R2
221    o cleanup verification/*/code/GMREDI_OPTIONS.h
222    o cleanup testreport
223    
224    checkpoint51o_post
225    o bringing AD-related verif's up to date with genmake2
226      - carbon/
227      - global_ocean.90x40x15/
228      - hs.94.1x64x5/
229      - (front_relax/ )
230    o (more) consistent directory structure for AD-related verif.'s
231    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
232    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
233    o bug fix in find_alpha.F for MDJWF:
234      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
235        change rho -> rho-rhoConst
236      - replace call find_rho to find_rhonum
237    o initialisation of rFlx extended to full array (required by TAF)
238      and shifted to thermodynamics
239    o removed PTRACERS.h in ptracers routine
240    o added surfacetendencyPtr to S/R parameter list pracers_forcing
241    o Correcting initialisations for fVerU, fVerV.
242    o helping TAF to recognize dependency on kUp for
243      fVerU, fVerV
244    o Replacing delZ by delR in pkg/ctrl/
245    checkpoint51o_pre
246    
247    o undid all of cp51 pending some cleanups and discussion
248    o added the [#include "AD_CONFIG.h"] statement to all files that need
249       it for adjoint/tl #defines
250     o re-worked the build logic in genmake2 to support AD_CONFIG.h
251     o removed tools/genmake since it no longer works
252    
253    checkpoint51n_post
254    o modifications to make FREEZE flux visible to pkg/kpp
255      - moved surfaceTendencyTice from pkg/seaice to main code
256      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
257      - subroutine FREEZE now limits only surface temperature
258        (this means new output.txt for global_ocean.90x40x15,
259         global_ocean.cs32x15, and global_with_exf)
260    o added surface flux output variables to TIMEAVE_STATVARS
261    
262    checkpoint51n_pre
263    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
264    o added [#include "AD_CONFIG.h"] to all files that use the following
265      defines:
266      - ALLOW_ADJOINT_RUN
267      - ALLOW_TANGENTLINEAR_RUN
268      - ALLOW_ECCO_OPTIMIZATION
269    
270    checkpoint51m_post
271    o incorporating changes to get TAMC/TAF working in genmake2
272      - added new TAMC/TAF targets to the Makefile
273      - various cleanups related to package handling
274      - these changes should have no impact on the forward model
275    
276    checkpoint51l_post
277    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
278     - faster algorithm for cal_addtime.F
279     - higher precision arithmetic, where needed
280     - pkg/exf *startdate variables changed from calendar date to
281       model integration time
282    
283    checkpoint51l_pre
284    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
285    o enable to apply restoring on S & T only in a latitude band.
286    o update output (external_forcing_surf modif. change truncation errors)
287       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
288    
289    checkpoint51k_post
290    o change default to: useNHMTerms=.FALSE.
291     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
292       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
293     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
294        exp1, ideal_2D_oce
295     - change data file of oceanic exp (leave the results unchanged for now)
296       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
297    o set gravitySign automatically according to the vertical coordinate used
298      (and change sign: back to "logical" value: +1 when R increases downward)
299    o added an include barrier to the default CPP_OPTIONS.h and
300      removed the #include "PACKAGES_CONFIG.h" from it
301    o fix a bug in mom_fluxform (from chk51j_post)
302    
303    checkpoint51j_post
304    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
305    o adjusted some flow directives (dynamics, thermodynamics)
306    o added cubed-sphere case to test cost function
307    o heckpoint_lev?_directives.h now include
308      pkg-specific directives, whenever those are enabled.
309    o Moving pkg-specific flow directives to corresponding pkg
310      Moving pkg-specific differentiation list to corresponding pkg
311      Moving pkg-specific checkpoint-lev storing to corresponding pkg
312      ---> conventions are
313           - pkg_ad.flow
314           - pkg_ad_diff.list
315           - pkg_ad_check_lev?_dir.h
316    
317    checkpoint51i_post
318    o merge of the branch-genmake2
319      - knowingly breaks the older genmake
320      - automatic generation of all ALLOW_${PKG_NAME} defines
321      - new testreport supersedes older testscript
322    o large number of package inclusion and header cleanups
323    checkpoint51i_pre
324    
325    o new output for adjoin of global ocean vector invariant
326    o fix for checkpoint of thermodynamic seaice and bulk_force
327    o Steph gchem various cleanups
328    
329    checkpoint 51h_pre
330    o fixed some single quotes
331    o modify gchem pkg to be more versatile
332    o modifications to clean up dic pkg
333    o add pkg/cfc
334    
335    checkpoint51g_post
336    o provide links for ARPACK and ADM*TLM
337    o start removing verification/vero/
338    o update AD-related stuff
339      (in particular some IF-statements in model/src/ routines)
340    o adding to verification/global_ocean.90x40x15/ adjoint of
341      vector invariant setup
342    
343    checkpoint51f_post
344    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
345    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
346      of tracer Green's fucntions for ocean inversion project.
347    
348    checkpoint51f_pre
349    o Added on-the-fly spatial interpolation capability
350        "USE_EXF_INTERPOLATION" to pkg/exf.
351      - This is a temporary Cartesian-grid hack until
352        the super-duper ESMF coupler becomes available.
353      - See verification/global_with_exf/README for usage example.
354      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
355        flags and modified pkg/seaice accordingly.
356    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
357        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
358        non-local transport term.
359    
360    checkpoint51e_post
361    o pkg/mom_vecinv:
362      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
363      - add time-ave diagnostic of vorticity advection.
364    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
365    o atmospheric geopotential: - include water vapor effect;
366                                - use p^kappa in p* scaling.
367    o land pkg: read initial state from files.
368    o AIM : add stratospheric drag in the upper level
369    
370    checkpoint51d_post
371    o change function ILNBLNK (=> last non-blank char.) to return zero
372      (instead of the string length) when the string. char is empty
373    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
374    o modif's to restore TAMC compatibility
375      - avoid "_d" constructs in PARAMETER declarations
376      - avoid interrupting lines by comment lines
377    o Use cluster local disks for purely local I/O
378      vs. globally visible disks needed for ctrl stuff
379      (merged from ecco-branch)
380      - new active_file_loc... and mdsio_..._loc routines
381      - affected packages: autodiff, ctrl, grdchk, mdsio
382    
383    checkpoint51c_post
384    o introducing integer flag debugLevel
385      - debLevZero: suppress all output
386      - debLevA: standard
387      - debLevB: equivalent to current debugMode=.TRUE.
388    o introducing pathname variable mdsioLocalDir for mdsio
389      that can be specified at runtime
390      (relevant for cluster I/O to local disk)
391    `
392    >>>checkpoint51b_post
393    adjoint of ptracers
394    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
395    o extended state in checkpoint_lev?, etc.
396    o alternative ctrl/cost with tr1 or ptracer
397    o new comlev1_bibj_ptracers
398    o new ptracers.flow
399    o made ptracers_forcing same as external_forcing_s
400    o added verification for adjoint with ptracers
401      - adm. grdchk fail so far
402      - tlm. grdchk OK
403      - checked tapelev/comlev recomputations: OK
404    <<<checkpoint51b_pre
405    
406    checkpoint51a_post
407    o added code for biogeochemistry package
408      - new pkgs: dic, gchem
409      - new subroutine in ptracers
410    o modify code for biogeo packages
411      - in model/src and pkg/ptracers
412    
413    checkpoint51
414    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
415      - autodiff, ctrl, exf, grdchk, seaice
416      kept separate packages
417      - cost, ecco, obcs
418    o updating verification/internal_wave, verification/lab_sea
419      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
420    
421    checkpoint50i_post
422    o Preparing next differentiable checkpoint and sync
423      of MAIN vs. ecco-branch
424      - 1st step: this one is differentiable
425      - 2nd step: next(! not this) checkpoint will have updated packages
426                  from ecco-branch)
427    
428    checkpoint50h_post
429    o new package "land": provide surface BC for AIM.
430    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
431    o AIM: use true log-P extrapolation for near surface temp (= as in
432        F.Molteni paper) ; update aim.5l_cs output.
433    o New variable in PARM03 for more flexible pickups
434    o somewhat cleaned package initialisation sequence for
435      ctrl/ cost/ ecco/ in packages_... routines
436    
437    checkpoint50g_post
438    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
439      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
440      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
441        made the default because of faster convergence than ADI
442    
443    checkpoint50f_post
444    o exf totally restructured
445      - replaced all exf_set_ routines by one generic exf_set_gen.F
446        and made sure it's still differentiable
447      - split exf_getffields.F into new exf_bulkformulae.F
448      - exf_inscal_/exf_outscal_ suffixes consistent with field names
449      - updated adjoint/makefile and relevant verif. accordingly
450    
451    checkpoint50f_pre
452     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
453          + change Evap over land. (update aim.5l_cs output)
454     o added missing .cvsignores and made uniform across expts
455     o changed configuration of tidal_basin_2d expt
456     o added pkg/debug functions for tracing code in fatal crashes
457     o tidied pkg/monitor to use MONITOR_OPTIONS.h
458     o new fn in pkg/monitor to stop model if solution grows too big
459     o removed lots of single quotes from comments
460    
461    checkpoint50e_post
462    o make KPP work with PTRACERS
463     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
464       nearly a copy of kpp_transport_s
465     - there is no analogue to SurfaceTendencyS, so I have to use
466       gPtr(of the surface layer) instead
467    o add a new platform SunFire+mpi (SunFire 15000) to genmake
468    checkpoint50e_pre
469    
470    checkpoint50d_post
471    o change kpp output from multiple-record state files to single-record state
472      files analogous to write_state.F
473    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
474      analogous to the cg2d-related output.
475    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
476      so that writing to internal file fn (with length 512) fails.
477    checkpoint50d_pre
478    
479    checkpoint50c_post
480    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
481    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
482    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
483    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
484    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
485    
486    checkpoint50c_pre
487    Merging from release1_p13:
488    o bug fix for pkg/seaice dynamic solver
489    o Added SEAICE_initialHEFF to pkg/seaice
490    
491    checkpoint50b_post
492    o store u*,v* in gU,V instead of in guNm1,gvNm1
493    o in order to put the momForcing out of the Adams-Bashforth:
494      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
495      to timestep.F
496    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
497    o re-generate output for highly sensitive test-exp:
498       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
499    
500    checkpoint50b_pre
501    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
502    o corrected CPP option mismatch in exf_Bulk... functions for case
503      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
504    
505    checkpoint50a_post
506    o Bug fix for merging between c50 and KPP.
507      ikey was passed from thermodynamics to kpp_calc via
508      common block rather than being recomputed in kpp_calc,
509      in contradiction with new key itdkey.
510      New key ikppkey created, and tamc.h headers updated.
511    
512    checkpoint50
513    - 2nd step of merge with ecco-branch:
514      merge changes in ecco-branch back into main trunk
515    - bug fix in find_alpha
516    - more storing in gmredi_calc_tensor.F, kpp_routines.F
517    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
518    - merged some sliced AD support routines
519    
520  checkpoint49  checkpoint49
521    merged from ecco-branch:
522    o exf:
523      - Enable initialisation of forcing fields to constant
524        (runtime) values.
525      - in exf_getffields.F
526        Reduce i-/j-loop to interior domain, discarding overlaps.
527        That also fixes wrong TAF-key computations for key_1, key_2
528        with bulf formulae.
529      - exf_init.F modify #ifdef for exf_init_evap
530      - exf_getffieldrec.F, ctrl_getrec.F
531        The following INT-usages are not safe:
532          fldsecs  = int(fldsecs/fldperiod)*fldperiod
533          fldcount = int(fldsecs/fldperiod) + 1
534        and were modified.
535    o autodiff: checkpoint_lev...
536      - updated storing for bulk formulae (some arrays were missing)
537      - added state for seaice package
538      - synchronized with main branch
539    o DIVA:
540      Modif.s in
541      - the_main_loop.F
542      - the_model_main.F
543      and added cost_final_restore.F cost_final_store.F
544      o With these changes, it is possible to fully separate
545        the first forward run to compute the cost function (mdthe_main_loop)
546        and adjoint runs over individual DIVA intervals (adthe_main_loop)
547        into separate model executions.
548        This enables better tuning of DIVA to given queue sizes.
549      o Loss of cost function value in consecutive DIVA runs is
550        fixed by storing to 'costfinal' file.
551      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
552        beginning/end of adjoint integration is accounted for.
553      The current changes apply to TAF-1.4.26.
554      TAF has one remaining bug, requiring one manual change
555      (see MITgcm manual).
556    o cal: synchronized between MAIN and ecco-branch
557    
558    checkpoint48i_post
559  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
560    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
561    pressure by totPhiHyd).    pressure by totPhiHyd).

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