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-revision 1.1675 by heimbach,
Mon Jun 25 19:25:41 2012 UTC
+revision 1.2133 by mlosch,
Mon Feb 23 13:18:04 2015 UTC
 Line 4 
 $Name$
      Notes on tags used in MITgcmUV
      ==============================
+ o verification/testreport:
+   - fix typo in "-pcls" option ;
+   - put temp files in /tmp (instead of in local dir)
+   - add option "-ncad" to use genmake2 new option "-nocat4ad"
+   - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
+ o pkg/ggl90 (idemix code):
+   - apply few fixes ; add some missing "_d 0" ; update output of exp.
+     global_ocean.90x40x15.idemix
+ o OpenAD
+   - enable active file I/O and begin removal of work-around code
+     for OpenAD for handling control variables (memory vs. active files)
+   - new CPP options file OPENAD_OPTIONS.h
+   - revert to genarr2d gradient check for hs94.1x64x5
+   - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
+   - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
+ o tools/genmake2:
+   - add option for an alternative Makefile (from Martin) where multiple
+     source files are sent to TAF (instead of all in one file).
+ o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
+   - code provided by Carsten Eden as an extension of ggl90
+   - so far the code is turned on within ggl90 by setting a CPP-flag at
+     compile time; a runtime flag implementation is not yet complete
+   - tested in new verification experiment global_ocean.90x40x15.idemix
+ o verification:
+   - reduce length of the AD test run by half for experiments
+     global_ocean.cs32x15 (std + thsice) and isomip
+   - enable active file I/O for OpenAD, adjust verifications accordingly
+   - halfpipe_streamice: change gradient check from genarr2d to gentim2d
+ o verification/testreport:
+   - fix two non-POSIX sed statements so that there are no error messages
+     on Mac OS X
+   - replace hostname -s with hostname | sed 's/\..*$//'
+ o model/src/seawater.F:
+   - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
+     (following the matlab code), which would have avoided the bug caught
+     by Matt (see below) in the first place
+ o pkg/shelfice:
+   - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
+     and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
+   - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
+     ice-shelf case (i.e., within surface level).
+   - add config summary in shelfice_check.F
+   - remove global variable recip_SHELFICElatentHeat and replace by a local
+     variable recip_latentHeat
+   - introduce diagnostics for friction velocity uStar (in case of
+     SHELFICEuseGammaFrict)
+   - change verification experiment isomip.htd:
+     + start from pickup (as input_ad at nIter0=8640)
+     + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
+     + test SHELFICEuseGammaFrict = .TRUE.
+     + test SHELFICEadvDiffHeatFlux = .TRUE.
+ o model/src:
+   - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
+     in-situ Temp) and in routine SW_TEMP (in pkg/openad);
+     update output of experiments global_with_exf.yearly and isomip (all 6).
+ o pkg/shelfice:
+   - change setting of kTopC to also be zero where there is no ice-shelf.
+   - zero out surface forcing arrays (for now, for T & S + EmPmR) where
+     ice-shelf is.
+   - first attempt to get RealFreshWaterFlux effects: for now, only without
+     SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
+ o pkg/seaice: add the option to prescribe a fixed thickness PDF
+   for thermodynamic calculations
+   - because of divisions of the type 7/7 not exactly equal to 1, this change
+     affects results of some verification experiments by up to 4 digits:
+     global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
+     seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
+     adjoint: lab_sea, lab_sea.noseaicedyn
+     -> updated
+ checkpoint65i (2015/01/23)
+ o model/src:
+   - change units of frictionHeating field from W to W/m^2
+   - fix bug in frictional heating from stratospheric drag in
+     S/R ATM_PHYS_TENDENCY_APPLY_V
+   - with synchronous time-stepping: move resetting to zero of frictionHeating
+     field from load_fields_driver.F to thermodynamics.F ;
+   - add diagnostics for frictional heating.
+ o model/src & gmredi K3D:
+   - add frictionHeating field to pickup-files (for synchronous time-stepping)
+   - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
+   - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
+     and name in pickup file).
+   - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
+ o model/src:
+   - move (from ini_forcing.F) initialisation of all arrays in header file
+     FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
+     (since Nov 2012) with option selectAddFluid=1.
+ o pkg/shelfice:
+   - change units (+ document) of newly added field "shelfIceMassDynTendency"
+   - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
+ o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
+ o pkg/seaice: two new runtime parameters:
+   - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
+     long overdue
+   - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
+     parameterization of tensil stress for fast ice (does not do anything yet)
+ o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
+     for LSR: move checking overlaps out of JFNK-if-block
+ o pkg/atm_phys:
+   - move copy of grid and dynamical fields out of atm_phys_driver.F into
+     new S/R ATM_PHYS_DYN2PHYS.
+   - fix level height for Linear Free-Surf case (to be consistent with
+     fixed-in-time pressure levels).
+ o pkg/mom_common (bottomdrag):
+   - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
+     to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
+     update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
+ o pkg/shelfice (u/v_drag):
+   - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
+   - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
+     (now similar to shelfice_u_drag.F)
+   - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
+     from mom_vecinv.F (similar to mom_fluxform calls).
+ o pkg/mom_common (bottomdrag):
+   - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
+   - add options for alternative discretisation of velocity norm in quadratic
+     bottom drag: averaging of grid-cell-center KE to U.point and V.point
+     (selectBotDragQuadr=0, original code) can produce noisy patterns; this
+     improves when averaging only the other component (e.g. vVel for U bottom
+     drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
+   - add options (bottomVisc_pCell) to account for partial-cell in bottom
+     friction (no-slip BC) thus getting the true distance from the bottom;
+     off by default since this also reduces model stability (explicit bottom
+     friction). Changes produce different machine truncation with linear-drag
+     + no-slip BC: update output of experiments exp4.stevens (10 digits) and
+     front_relax (bvp & mxl, 10 & 11 digits).
+ o model/src & mom pkgs:
+   - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
+     since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
+   - for now and until vertical mixing scheme are updated to fill up level Nr+1,
+     just copy level Nr value to level Nr+1.
+ o doc:
+   - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
+ o pkg/streamice:
+   - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
+     SHELFICE.h: move array shelficemass to init_varia, initialise
+     from array shelficemassinit, which is set in init_fixed and
+     has option to be set from file; introduce array
+     shelficeMassDynTend array, set thru file in init_fixed
+   - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
+     shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
+     pkg/streamice
+   - shelfice_thermodynamics.F: call shelfice_step_icemass if
+     SHELFICEMassStepping = .true.
+   - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
+ checkpoint65h (2014/12/17)
+ o verification/global_ocean.90x40x15, global_ocean_ebm:
+   - update to generic controls.
+ o pkg/ctrl:
+   - ctrl_map_ini_genarr.F: test for igen>0
+   - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
+   - move gentim2d part of ctrl_map_ini_genarr.F to
+     new separate routine : ctrl_map_ini_gentim2d.F
+   - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
+     add time variable weights and cyclic controls (time mean,
+     seasonal cycle, etc) capabilities to gentim2d
+ o pkg/ecco:
+   - move reading of error, conversion to weights from
+     ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
+ o global_oce_llc90, cs32:
+   - activte sbo.
+   - CTRL_SIZE.h : add maxCtrlProc.
+   - activate the new genctrl capabilities.
+   - update following reorganization of global_oce_input_fields.tar.gz
+ o pkg/ctrl/ctrl_ad_diff.list:
+   - add missing ctrl_init_rec.f
+ o tools/OAD_support/keepOriginal:
+   - add ctrl_init_rec.F
+ o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
+   - avoid recomputations of xx_gentim2d_dummy.
+ o momentum diagnostics:
+   - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
+     mom_vecinv.F to timestep.F (to include Smag-3D contribution).
+ o pkg/seaice/seaice_lsr.F:
+   - fix computation of BU/BV, make sure they are non-zero, only necessary
+     for cubed sphere exchanges and SEAICE_OLx/y>0.
+     This makes calling s/r fill_cs_corner_rl obsolete (removed).
+ o verification/global_ocean.cs32x15/input.seaice
+   - add test for strong implicit coupling and restricted addtive Schwarz
+     methods for LSR
+   - update results/output.seaice.txt
+ o verification/tutorial_global_oce_biogeo:
+   - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
+     and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
+     update output_adm,_oadm,_tlm.txt
+ o pkg/dic:
+   - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
+   - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
+     for tracer 1 & 2 is set (to avoid double counting of dilution effect).
+ o verification/tutorial_global_oce_biogeo:
+   - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
+     dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
+     update output_adm,_oadm,_tlm.txt
+ o eesupp/src:
+   - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
+     and call it in seaice_lsr when using nonzero SEAICE_OLx/y
+ o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
+   LSR (following Hutchings et al. 2004)
+   - introduce zetaZ as a global variable (requires adjustments in
+     seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
+     in seaice_calc_viscosities.F
+   - new flag SEAICEuseStrImpCpl (default off)
+   - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
+     momentum equations
+   - JFNK-solver (preconditioner) adjusted to allow using this method
+     (where it does not have any positive effect)
+ o pkg/seaice
+   - add overlap for restrictive additive Schwartz method also to LSR, but
+     turn it off by default (because it only seems to work for non-cubed
+     sphere/llc topologies)
+ o pkg/autodiff
+   - add extra exchanges in addummy_in_steppging also for mnc output
+ o pkg/seaice:
+   - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
+     to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
+ o pkg/obcs:
+   - add option to specify domain-connected piece Id along OB though files
+     (for now, only used to diagnose PhiVel; default =1 -> global correction)
+   - modify obcs_diag_balance.F to process each connected-part separately;
+     exclude OB where Id = 0 but keep the full divergence there (-> constant
+     Psi along this portion of OB and all inflow derived from grad(Phi))
+   - add example of OB-conect files in verification/so_box_biogeo/input.
+ o pkg/diagnostics:
+   - improve treatment of Open-Boundaries in Velocity-Potential calculation:
+   a) use non zero matrix element across OB and solve for Phi 1 grid point
+      outside OB (i.e, where tracer OBCS are applied).
+   b) global imbalance of inFlow/outFlow across OB: instead of modifying
+      velocity across OB, spread it uniformly along the OB in the RHS.
+ checkpoint65g (2014/11/19)
+ o pkg/diagnostcis:
+   - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
+ o pkg/my82,pp81,kl10:
+   - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
+     field diffKr as background diffusivity to set minimum diffusivity value.
+ o pkg/seaice:
+   - add new parameter SEAICEuseEVPrev (for revisited EVP by
+     Bouillon et al 2013)
+   - add SEAICE_evpAlpha/Beta to namelist
+   - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
+     involve trivial re-ordering of divisions/multiplications that should not
+     have any effects, but ... they do change the results of lab_sea.hb87 so
+     that only 2 digits of agreement remain, in line with the general
+     instability/fragility of the evp-code. For now, I do not care and just
+     update the verification experiment
+ o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
+   - remove xx_genarr2d_numsmooth etc
+   - use xx_genarr2d_preproc etc instead
+   - carry out smooth_correl2D at initialization stage rather than during
+     time stepping.
+   - get smoothOpNb from xx_gentim2d_preproc
+ o global_oce_cs32 :
+   - add test of generic ecco capabilities.
+ o pkg/exf/exf_getsurfacefluxes.F :
+   - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
+ o pkg/ctrl,ecco :
+   - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
+     is defined.
+ o pkg/seaice: add diagnostics for Delta (deformation parameter)
+ o model/src:
+   - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
+     diffusivity (background) is specified but ignored.
+ o verification:
+   - in testreport, convert hostname to lower case for default output dir name
+ o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
+ o pkg/dic: add modifications from Hajoon:
+   - add iron sedimentation flux function of the flux of PO4 out of bottom layer
+   - light attenuation: add self-shading effect by climatological Chlorophyll
+     (read from file).
+ o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
+     compiles when SEAICE_ALLOW_DYNAMICS is undefined
+ o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
+     AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
+     ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
+     approach where CPP_OPTIONS.h includes an omnipotent
+     ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
+ o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
+     ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
+ o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
+     to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
+     (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
+ o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
+   add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
+   - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
+   - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
+   - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
+ o pkg/ctrl,ecco,exf :
+   - remove variables associated with NON-generic costs,
+     unless ECCO_CTRL_DEPRECATED is defined.
+   - remove NON-generic NON-obcs controls,
+     unless ECCO_CTRL_DEPRECATED is defined.
+ o pkg/ctrl : added ctrl_local_params.h
+ o pkg/ecco : added ecco_local_params.h
+ o verification : added ECCO_CTRL_DEPRECATED to most as and oad
+     experiments, which will progressively be removed once the
+     experiments are revised to use only generic controls/costs.
+ checkpoint65f (2014/10/13)
+ o pkg/ctrl, ecco, seaice : minor changes in headers
+ o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
+     cost function and control capabilities added since checkpoint65c.
+ o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
+ o pkg/ecco: increase modularity and improve logic
+   - ecco_toolbox.F (new) : basic operations that are often used,
+     including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
+     ecco_addcost, ecco_add, ecco_div, ecco_readbar.
+   - cost_gencal.F (new) : determine filnames and records.
+   - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
+   - cost_generic.F : use spzeroloc rather than hard-coded -9999,
+     and exploit the above functions leading to more compact code.
+   - cost_genread.F : rm un-necessary arguments, re-arrange args order.
+   - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
+     using_ers, using_gfo, using_mdt is now only defined within gencost)
+ o pkg/ecco: extend generic cost capabilities
+   - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
+     capabilities via gencost_preproc (+ _c,_i,_r related params),
+     gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
+     gencost_outputlevel arguments to cost_generic
+   - pkg/ecco/cost_genread.F (new) : interface between cost_generic
+     and active_read, making room for gencost_preproc to take effect.
+     Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
+   - pkg/ecco/cost_generic.F :
+     compute and store misfit maks*(model-data) in localdif that is
+     then used in cost and for output, output misfit if outlev.GT.0
+   - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
+     rather gencost_barfile for deciding whether to write barfile
+   - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
+   - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
+     ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
+   - pkg/ecco/ecco_summary.F : report gencost variables
+   - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
+ o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
+ o pkg/ecco: internal re-organization
+   - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
+     (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
+     mv relevant variables definition from ecco_cost.h to ecco.h,
+     make sure gencost routines only include ecco.h)
+   - throughout : add missing CCP switches, rm unused variables,
+     and rm un-necessary CPP switches
+   - throughout gencost routines : replace modelstartdate with
+     gencost_startdate when needed
+   - cost_bp_read.F : use arguments, instead of common blocs
+     so that it can be used also by (new) cost_gencost_bpv4.F
+   - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
+   - ecco_phys.F : compute etanFull
+   - ecco_readparms.F : rename using_topex as using_tpj, add
+     bpv4-grace to gencost list, initialize added parameters
+   - ecco_summary.F : include SIZE.h needed for augmented ecco.h
+ checkpoint65e (2014/09/28)
+ o pkg/obcs:
+   - replaced the just-added CPP options with run-time variables
+     (see pkg/obcs/OBCS_PARAMS.h for details)
+ o pkg/obcs:
+   - add additional CPP options for sponge boundary layers
+     (see pkg/obcs/OBCS_OPTIONS.h for details)
+ o pkg/atm_phys:
+   - implement simple (obliquity only, assuming circular planet orbit)
+     seasonal cycle for incoming insolation ; used when run-time parameter
+     "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
+ o pkg/exf, pkg/ecco, pkg/ctrl:
+   - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
+   - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
+   - implement gentim2d for xx_tauu, xx_tauv
+ o pkg/ctrl, pkg/ecco :
+   - fix and complement the generic controls implementation
+ o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
+     pkg/shelfice/shelfice_thermodynamics.F,
+     verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
+     verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
+   - add weight in CTRL_GET_GEN calls
+ o pkg/ctrl :
+   - ctrl_get_gen.F : add weight as input parameter, and apply
+     it directly rather than using smooth_correl2Dw (to be retired).
+   - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
+ o pkg/ctrl :
+   - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
+     ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
+   - re-activate ctrl_summary (call in ctrl_init.F)
+ o pkg/ctrl/ctrl_cost_gen.F :
+   - fix CCP brackets, remove un-necessary myiter, mytime
+ o pkg/ecco, pkg/ctrl :
+   - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
+   - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
+   - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
+   - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
+ checkpoint65d (2014/09/15)
+ o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
+   - add xx_genarr2d_bounds,xx_genarr3d_bounds,
+     xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
+ o pkg/ctrl/ctrl_map_ini_genarr.F :
+   - remove compilation failure
+   - replace hard coded example
+   - use ctrl_map_ini_gen2D, 3D
+ o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
+   - on/off switch based upon xx_genarr2d_weight,3d
+ o src/packages_init_variables.F :
+   - regroup pkg/estimation calls
+   - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
+     (moved to ctrl_init_variables)
+ o cost/cost_init_varia.F :
+   - remove ecco_cost_init_varia
+     (moved to ecco_init_varia)
+ o ctrl/ctrl_init_variables.F :
+   - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
+   - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
+ o ctrl/ctrl_map_ini.F :
+   - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
+     (moved to ctrl_init_variables)
+ o ctrl/ctrl_map_ini_ecco.F :
+   - remove ECCO_PHYS (mv to ecco_init_varia)
+   - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
+ o ecco/ecco_ad_diff.list :
+   - add ecco_init_varia.f
+ o ecco/ecco_init_varia.F
+   - new routine
+ o pkg/streamice:
+   - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
+     to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
+   - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
+ o pkg/generic_advdiff:
+   - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
+ o pkg/exf:
+   - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
+      xxg_precip capability
+   - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
+ o pkg/ctrl:
+   - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
+ o model/src/load_fields_driver.F :
+   - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
+     so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
+ o OpenAD verification experiments:
+   - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
+     in src files (to enable to skip the ECCO_CPPOPTIONS.h);
+     for now, only in pkgs used in OpenAD verification experiments.
+   - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
+     specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
+     instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
+     This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
+ o OpenAD verification tests:
+   - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
+   - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
+     tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
+   - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
+     and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
+ o model/src & generic_advdiff:
+   - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
+     forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
+     dynamics requires valid tracer forcing only over tile interior but, for
+     some diagnostics, may need to extend it over 1 point in tile halo region.
+   - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
+     tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
+     setting in temp/salt/ptracer_integrate.F
+ o pkg/dic:
+   - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
+     gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
+     in gchem_forcing_sep.F
+ o pkg/autodiff & obcs:
+   - add storage of current OB values for U & V (was already done for T & S).
+ checkpoint65c (2014/08/30)
+ o pkg/dic:
+   - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
+     and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
+     AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
+ o verification:
+   - new experiment testing OBCS and DIC pkgs, using params & output from
+     tutorial_global_oce_biogeo but limited to a sub-domain around Drake
+     passage: take OBCS from the last year of a 2 yrs simulation and initial
+     conditions from t=1.yr while keeping the same forcing.
+ o model/src:
+   - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
+     (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
+ o pkg/diagnostics (Stats-Diags):
+   - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
+     a) refine region where stats are computed, excluding where arrhFac=0 ;
+     b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
+     c) extend regional stats over the region edges (for U or V pt location).
+ o pkg/gchem:
+   - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
+     pkg/dic is currently changing/updating ptracers values beyond the OB).
+ o verification (hs94):
+   - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
+     bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
+     hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
+     apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
+ o pkg/ptracers:
+   - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
+     switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
+   - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
+     with AB-2 code (so that it get tested).
+ o model/src:
+   - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
+     with AB-2 code (previously only available with AB-3 code).
+     Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
+     to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
+     there, by calling CYCLE_AB_TRACER).
+ o pkg/generic_advdiff:
+   - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
+     GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
+     + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
+     S/R temp/salt/ptracers_integrate.F
+ o model/src & pkg/ptracers:
+   - remove common block variables gT,gS (in DYNVARS.h), except when
+      USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
+   - remove common block variable gPtr.
+ o model/src & pkgs:
+   - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
+      ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
+      IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
+      GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
+   + change accordingly all calling S/R.
+   - use local temperature/salinity/ptracer tendency array (without bi,bj)
+     in S/R temp/salt/ptracers_integrate.F
+ o pkg/seaice:
+   - move computation of stress contributions to rhsU/V in s/r seaice_lsr
+     to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
+   - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
+     in seaice_lsr
+   - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
+     in s/r seaice_lsr_calc_coeffs
+ o pkg/mdsio:
+   - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
+     (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
+     too long (e.g., > MAX_LEN_FNAM/2 )
+ checkpoint65b (2014/08/12)
+ o pkg/matrix:
+   - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
+ o model/src:
+   - fix initialisation of geothermalFile; compile geothermal-flux code in
+     natl_box verification experiment.
+ o model/src & pkg/down_slope:
+   - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
+   - in dwnslp_apply.F, update tracer tendency instead of the future tracer
+     field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
+     results at machine truncation level: update output of experiments
+     global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
+ o pkg/diagnostics (Stats-Diags):
+   - do not cumulate the full volume when DIAGNOSTICS_FILL is
+     called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
+     This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
+     times (but Min,Max and StD are still wrong).
+ o model/src:
+   - add geothermal flux forcing: read in ini_forcing.F as time-constant
+     field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
+ o model/src:
+   - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
+     _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
+     arrays are already updated while adjustments (filters, conv.adjustment) are
+     still applied later, in S/R TRACERS_CORRECTION_STEP.
+ o model/src:
+   - store in common bloc array "rhoInSitu" the virtual potential temperature
+     anomaly that is used to compute geopotential: this make the atmos code
+     more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
+ o pkg/seaice/seaice_lsr.F
+   - rename integer variable ilcall to ipass (that's what it is called
+     in the residual diagnostics
+   - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
+     default) for improved non-linear convergence of the first few steps
+   - adjust a few comments and add new ones to explain some of the store
+     directives
+ o pkg/generic_advdiff (& ptracers):
+   - re-work the code to check for valid advection scheme and for minimum
+     size of overlap (now stored in local common bloc in gad_advscheme.F)
+ o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
+   - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
+   - add an auxilliary variable "bet" and fix store directives and keys in
+     seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
+     less exact gradients in my tests); but there are still
+     recomputation warning (although gradients are sort of OK), when
+     SEAICE_LSR_VECTORIZE is not defined, so this flag and
+     SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
+   - update verification experiments lab_sea.
+   - change some comments in S/R seaice_calc_viscosities
+ o model/src:
+   - if staggerTimeStep=T, always apply exchange to velocity field in
+     do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
+     (independent of using multi-dim advection or not); no effect on FWD run
+     but affects AD results (at machine truncation level): update output of
+     experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
+     and isomip (oad: 12.d).
+ o pkg/generic_advdiff:
+   - stop if doAB_onGtGs is set to FALSE but ignored
+   - refine warning related to stability of tracer time-stepping
+     regarding internal wave dynamics.
+   - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
+     on staggerTimeStep & implicitIntGravWave (will now get a warning
+     if potentially unstable).
+ o pkg/kl10:
+   - add new pkg "kl10" for mixing due to internal wave breaking, from
+     http://www.sciencedirect.com/science/article/pii/S1463500310000144
+     (contribution from Jody Klymak), tested in verification experiment
+     verification/internal_wave/input.kl10/
+ o isomip experiment:
+   - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
+     (input.htd) and update the output.
+ o cd_code experiments:
+   - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
+     #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
+     global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
+     update the corresponding output.
+ o pkg/seaice:
+   - reduce the number of include files and store directives in
+     S/R seaice_lsr_tridiagu/v
+   - change the order of loops in one case in S/R seaice_lsr_tridiagv
+     (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
+     get rid off one store directive (a TAF bug?)
+   - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
+     S/R seaice_lsr_tridiagv to change the loop range for consistency
+   - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
+   - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
+     S/R seaice_lsr_tridiagu/v (requires update of
+     offline_exf_seaice/input.dyn_jfnk)
+ checkpoint65a (2014/07/27)
+ o model/src:
+   - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
+     surrounding hFacC=1 @ edge of a step with different kSurfC on either side
+     (topo in p-coords, ice-shelf in z-coords); update output of experiments
+     tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
+ o model/src:
+   - collect momentum forcing tendency into local 2-D array (passed as argument
+     to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
+     parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
+     affects results at machine truncation level (e.g., if using OBCS_SPONGE).
+   - collect T & S forcing tendency into local 2-D array (passed as argument to
+     apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
+     affects results at machine truncation level (e.g., ocean: if using
+     SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
+     correction due to vertical advection).
+   - update output of experiments: fizhi-cs-32x32x40 (13 digits),
+     global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
+     seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
+     obcs_ctrl (ad & fwd grd @ 12 & 7).
+ o pkg/ptracers & diagnostics:
+   - use ptracers (short) name (instead of long one) to make ptracers diagnostics
+     title (to avoid some unexpected truncation); sort out ptracers diags units.
+   - collect ptracer forcing tendency into local 2-D array (passed as argument
+     to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
+ checkpoint65 (2014/07/18)
+ o pkg/fizhi:
+   - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
+     affects results at machine truncation level. Update output of experiments
+     fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
+ o pkg/seaice: more clean up
+   - rename TAF common block tapes to be more consistent and remove
+     unnecessary duplicates
+   - add store directives to remove more recomputations, but use smaller
+     tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
+     The idea behind this flag is to reduce the memory footprint when the
+     adjoint of the LSR is not required. As of now, defining the flag
+     SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
+     a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
+     For experiment offline_exf_seaice, this means on a linux box with gfortran
+     nearly a factor of 10 (but keep in mind there is mostly seaice code in
+     this experiment):
+     > size mitgcmuv_ad
+     text    data        bss     dec        hex
+     5100659 1216  220458952  225560827  d71c8fb
+     5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
+     but only a moderate increase of 36% for global_ocean.cs32x15:
+     text    data        bss     dec        hex
+     6695027 1648 1014578664 1021275339 3cdf6ccb
+     6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
+   - note: there are still recomputations in global_ocean.cs32x15 and
+     offline_exf_seaice and the gradient agreement changes (gets a
+     little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
+   - in general, the AD gradients still are wrong
+ o OpenAD
+   - clean up code_oad/ directories somewhat by moving files
+     dontCompile, dontTransform, keepOriginal to OAD_support/
+ o model/src:
+   - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
+     (not currently tested): add dissipation terms before NLFS rescaling of
+     tendencies (previously done after).
+ o pkg/diagnostics:
+   - write stats-diags in ascii file with more digits (same as in monitor).
+ o pkg/down_slope:
+   - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
+     NLFS (not tested), use new recip_hFac value in order to conserve tracer.
+ o model/src:
+   - new file "apply_forcing.F" containing all the code previously in
+     external_forcing.F, but with new argument list: pass, as new argument,
+     the current level tendency array to update (instead of a direct update
+     of the common bloc array). Change the corresponding calls.
+   - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
+     EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
+ o pkg/seaice/seaice_lsr, a little bit of clean up
+   - rearrange some code blocks, so that now all calculations for
+     setting up the right-hand-sides done within one single block
+     (I find that easier to read and understand)
+   - rearrange freedrift-code to reduce the number of ifdefs
+   - adjust some indentations and comments
+ checkpoint64z (2014/07/10)
+ o model/src and several pkgs:
+   - change argument list of all S/R called from external_forcing.F and
+     called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
+     to pass, as argument, the current level tendency array to update
+     (instead of a direct update of the common bloc array).
+   - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
+   - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
+ o pkg/seaice/seaice_lsr.F
+   - always initialize local arrays in seaice_lsr_tridiagu/v
+   - add more local tapes to seaice_lsr_tridiagu/v
+   - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
+     keep it in bi/bj loop; this seems to be essential
+   - gradients are still wrong but only by 4-7 orders of magnitude
+     instead of 15 orders of magnitude, lab_sea improves a little
+ o pkg/seaice
+   - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
+     generates unnecessary code in seaice_lsr_ad
+   - add more store directives in seaice_lsr to avoid unnecessary code
+     in seaice_lsr_ad
+   - exclude some residual computations in seaice_lsr when
+     ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
+     in seaice_lsr_ad
+   - add more storing, a new tape (model/src/the_main_loop.F) and
+     another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
+     and klockey should be checked by a specialist)
+   - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
+     and update lab_sea after previous changes in pkg/seaice below
+ o pkg/autodiff:
+   - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
+     viscFacInAd : run time parameters allowing for adjoint switches
+     note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
+ o pkg/ecco:
+   - introduce cost_gencost_boxmean.F that computes a box mean
+     temperature (for use in adjoint sensitivity studies).
+ o model/src/set_defaults.F : initialize viscFacAdj to 1.
+ o pkg/mom_common/mom_calc_visc.F:
+   - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
+ o pkg/seaice/seaice_summary.F:
+   - statement for SEAICEadjMODE now in autodiff_readparms.F
+ o pkg/seaice:
+   - remove some store directives and add new ones in an effort to get
+     finally rid off the recomputation warnings. This is successful
+     when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
+     defined (i.e. no extensive recomputation warnings left), but there
+     are still too many recomputations on the solver iteration level
+   - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
+   - move definition of MPSEUDOTIMESTEPS into TAMC-block in
+     SEAICE_SIZE.h
+   - add a store directive in S/R seaice_calc_viscosities
+ o pkg/seaice (ITD code):
+   - fix definition of Hlimit for multi-threaded case
+   - use double precision arithmetic to compute Hlimit: this affects results;
+     update output of experiment seaice_itd.
+ o replace content of verification/seaice_itd
+   - instead of a 1D column use the configuration of offline_exf_seaice
+     to test the ice thickness distribution code with ridging
+   - this is a first shot at this experiment
+   - change of some defaults of ridging parameters SEAICEhStar (from
+to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
+     and lot of new comments.
+ checkpoint64y (2014/06/20)
+ o pkg/seaice/seaice_reg_ridge.F:
+   - modify the regularization of very small volumes of ice; only check
+     total volume HEFF, and do not apply correction to individual ice
+     classes because that leads to funny patterns in the heat and fw-fluxes
+     into the ocean. Adjust seaice_itd/results/output.txt
+   - replace nITD by SEAICE_multDim in loop-ranges
+ o pkg/exf:
+   - add code to process the case field period = -12. with UV interpolation.
+   - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
+     into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
+ o verification/global_with_exf:
+   - switch all fields period to -12. (was previously untested) in input/data.exf
+     (but keep secondary test ".yearly" unchanged); update the reference output.
+ o pkg/cal:
+   - new calendar type "noLeapYear" for 365 days calendar without any leap year.
+ o pkg/exf:
+   - new integer parameter "exf_debugLev" (default set to main model debugLevel)
+     to replace logical switch "exf_verbose"
+   - report in STDOUT when loading a new record (if exf_debugLev >= 3)
+ o pkg/sbo:
+   - update from Katherine Quinn: evaluate mass directly from density and SSH
+     (budget using Finite Volume method) instead of from bottom pressure.
+   - allow testreport to collect few selected SBO output ; tested in exp.
+     global_ocean.90x40x15 (after updating the results, to include SBO output).
+   - fix some multi-threading issues (in output part).
+ o model/src & most packages:
+   - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
+   - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
+     PACKAGES_UNUSED_MSG to print a weak warning when parameter file
+     "data.{pkg}" exist ; and leave the S/R (return) just after.
+   - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
+     + call LAND_READPARMS from packages_readparms.F
+ o pkg/seaice:
+   - remove code that resets useThSice in S/R seaice_readparms and
+     replace it by a warning in S/R seaice_check
+   - remove parameter MULTDIM, replace with nITD and runtime
+     parameter SEAICE_multDim (still hard-wired to nITD if
+     SEAICE_ITD is defined)
+ checkpoint64x (2014/05/24)
+ o verification/lab_sea:
+   - update adjoint and TLM output following changes to pkg/salt_plume
+   - un-do the update after putting back local recip_Cp in few places.
+ o pkg/salt_plume: modifications by An Nguyen:
+   - add capability to do brine rejection (salt-plume) as function of
+     volume+tracers (instead of only salinity tracer).
+   - conserve volume by exchanging volume from each kLev to above to
+     accommodate in-coming brine volume
+   - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
+   - switch KPP surf buoyancy due to brine forcing to 3-d
+     (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
+   - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
+   - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
+     in East/West Arctic.
+ o pkg/sbo:
+   - incorporate modifications from Katherine Quinn to enable the use of sbo
+     pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
+     output for future testreport verification (unfinished).
+ o pkg/atm_phys:
+   - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
+     skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
+     output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
+ o pkg/seaice
+   seaice_calc_ice_strength.F: modify expression to avoid divisions
+     (affects truncation)
+   seaice_do_ridging.F: clean up the insectarium
+   - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
+   - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
+   - set closing/openingRate to zero where no extra iteration is need (3rd bug)
+   - add some debugging information and error messages (warnings)
+ o model/src: modifications relatd to atmosphere p*:
+   - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
+   - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
+     of vertical profile tRef in geopotential background and anomaly.
+   - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
+     and pkg/atm_phys.
+   - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
+     fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
+ o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
+ o pkg/ptracers: compute ptracer source/sink due to linear free surface.
+     not used right now, but can be used in BGC packages to fix conservation.
+ o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
+     other packages too.
+ o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
+     SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
+ o model/src:
+   - since we have several heat capacity (even in model/src), define "recip_Cp"
+     as local variable (no longer in common block) to avoid any confusion.
+   - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
+ o pkg/exf:
+   - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
+     air density as function of air Temp, Humidity and atm pressure.
+ checkpoint64w (2014/05/02)
+ o verification:
+   - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
+     seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
+     code from seaice_growth.F & seaice_advdiff.F to new ridging routines
+     seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
+     (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
+ o model/src: for atmosphere in p* coords:
+   - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
+   - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
+     but not yet activated.
+ o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
+   - move computation of opnWtrFrac = 1-AREA to before computing ice strength
+   - this changes the results (but not for any verification experiment, because
+     none tests this), but avoids having an extra field in the restart files
+ o pkg/seaice: remove global variable TICE (not needed)
+   - replace by TICES or local variable where necessary (cost_seaice_test,
+     seaice_diagnostics_state)
+   - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
+   - use specific read/write routines for reading and writing individual leves
+     of a multilevel field
+ o pkg/ctrl & model/inc:
+   - move additional anomaly fields of control vars (related to options:
+      ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
+     from DYNVARS.h into new header file: CTRL_FIELDS.h
+ o pkg/seaice: some small modifications to the ridging code
+   - make fw2ObyRidge a global variable and add the freshwater flux to
+     seaice_growth
+   - pass actual thickness from seaice_prepare_ridging, so that it is
+     computed only in one place and compute it in the same way as in
+     seaice_growth
+   - initialise more fields in seaice_do_ridging that where cause floating
+     point exceptions over land
+ o pkg/seaice: preparations for ridging code and first real ridging code
+   - move most of "PART 1" of S/R seaice_growth into a new and separate
+     S/R seaice_reg_ridge that will both regularize the state variable after
+     advection call the actual ridging routine;
+   - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
+     d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
+   - remove ridging code from seaice_advdiff
+   - clean up remaining part 1 of seaice_growth in an attempt to make it
+     more readable (this is probably subjective)
+   - call seaice_itd_redist once in the initialisation phase to have the initial
+     conditions in the correct category
+   - finally: add new ridging routine for ITD code
+ checkpoint64v (2014/04/11)
+ o pkg/ecco:
+   - add runtime parameters mdt[start,end]date[1,2]
+   - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
+ o pkg/seaice:
+   - make deltaC a global variable, so that it can be used in ridging code
+   - first step towards ridging: introduce new routines that compute
+     ice strength based on ridging parameters
+   - add diagnostic for HSNOWITD
+   - add opnWtrFrac as a global variable (required for ridging scheme)
+ o pkg/salt_plume + pkg/seaice/seaice_growth.F
+   - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
+     AREA exceeds a threshold (code contributed by I.Fenty in 2011)
+ o verification/hs94.1x64x5:
+   - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
+   - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
+ o autodiff:
+   - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
+     and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
+     For now, only in pkgs used in verification/hs94.1x64x5.
+   - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
+     which are specific to TAF/TAMC).
+   - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
+     since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
+     is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
+   - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
+     building mitgcmuv_ad (make adAll).
+ o pkg/ecco:
+   - cost_gencost_seaicev4.F:
+      reformulate proxy cost as function of sst and local param SEAICE_freeze
+      change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
+   - add stop statement if old names siv4-[sst,vol] are used
+   - add snapshots + cost reports for atmospheric longwave
+   - remove factor 0.1 in front of wtau[u,v]
+   - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
+      ALLOW_TMI_SST_COST_CONTRIBUTION
+ o pkg/atm_phys:
+   - add some diagnostics for Short-wave and for convection S/R.
+ o pkg/seaice/seaice_growth:
+   - fix a bug in the lateral melt parameterization for SEAICE_ITD
+     in seaice_growth; tempFrz needs to be computed inside the i/j-loop
+   - rearrange loop order for better vector code in the same code block
+   - rewrite the floeDiameter formula to have fewer divisions
+   -  (miraculously) none of this changes the results of seaice_itd
+ o pkg/smooth:
+   - move param smooth2Ddiffnbt to pkg/ecco
+ o pkg/salt_plume:
+   - salt_plume_frac.F:
+      clean up local param names
+      reformulate (1-frac) to frac; original 1-frac was based on swfrac code
+ o pkg/rw:
+   - add RS version of S/R READ_MFLDS_LEV.
+ o pkg/streamice:
+   - fix the restart test by writing/reading pickup_streamice files.
+ o pkg/seaice:
+   - refine checks for jfnk-related parameters
+   - comment out if statement with SEAICEuseIMEX parameter as long as there
+     is no IMEX code to avoid confusion and surprises
+ checkpoint64u (2014/03/07)
+ o verification/MLAdjust:
+   - rename secondary test suffix:
+.leith  -> A4FlxF  + switch to flux-form & add side-drag
+.leithD -> AhFlxF  + switch to flux-form
+.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
+.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
+ o pkg/mom_vecinv:
+   - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
+     to be before mom_calc_visc.F)
+   - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
+   - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
+     this is simpler for the adjoint and for diagnostics.
+ o model/src + pkg/momentum:
+   - add input files for  2-D additional Western and Southern cell-edge wall
+      (e.g., to add "thin-wall" where it is =1).
+   - fix sideDrag option for thin-walls with Non-Lin Free-Surf
+     using 2nd hFacZ that is computed from initial (fix domain) hFac
+   - known limitations of thin wall implementation: not yet coded for sigma
+     coords; not working with CD-scheme neither.
+ o pkg/seaice:
+   - rename recently introduced parameters from (wrong name) AB to
+     BDF (backward difference time discretisation)
+   - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
+ o tools/adjoint_options:
+   - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
+ checkpoint64t (2014/02/01)
+ o pkg/ecco
+   - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
+     runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
+   - replace hard-coded record number and period which only work for monthly
+     with read-in runtime param that works for other periods (month,day,year)
+ o pkg/thsice
+   - corrected store directive fixes thsice adjoint gradient checks
+ o genmake2 & testreport:
+   - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
+     in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
+     Update testreport accordingly. No need to set "export OPENAD=true"
+     in adjoint_options/adjoint_oad anymore (will be removed later).
+ o pkg/shelfice:
+   - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
+     only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
+     so that surface forcing applies to k=kSurf if using pkg/shelfice.
+ o pkg/ctrl, pkg/grdchk, pkg/ecco:
+   - Changes to make GENARR more modular (i.e. invisible if not used)
+ o model/src/temp_integrate.F and salt_integrate.F
+   - re-include store directives that were removed on Dec 27th.
+ o model/src/external_forcing_surf.F
+   - add storage directives for EmPmR and PmEpR to avoid recomputation of
+     seaice_model in the adjoint that is problematic when seaice_model is
+     turned off in the adjoint. The resolved issue dated back to July when
+     EXTERNAL_FORCING_SURF call was moved.
+     Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
+ o pkg/exf/exf_check.F
+   - fix a small bug again (originally found by Wentao Liu, now found again)
+   - streamline error output
+ o pkg/streamice and aim_v23:
+   - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
+     Apple's /usr/bin/cpp knows what to do:
+     Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
+     Target: x86_64-apple-darwin13.0.0
+ checkpoint64s (2014/01/05)
+ o tools/adjoint_options:
+   - switch to fastopt.net TAF server (instead of default fastopt.de) for
+     AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
+ o model/src:
+   - remove some unnecessary TAF storage directives in forward_step.F and
+     in dynamics.F (note: not always removed by TAF, e.g., double storage
+     of kappaRU,kappaRV in former version of dynamics.F).
+ o model/src & pkg/ptracers:
+   - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
+     salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
+     and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
+   - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
+   - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
+   - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
+ o useSingleCpuInput separates single-CPU input from single-CPU output;
+     for now only implemented for in exf_interp_read.F
+ o verification/advect_xy:
+   - fix missing EXCH call in local version of ini_salt.F and update output.
+ o momentum diagnostics:
+   - fix which deltaT is used in Total-Tendency diagnostics.
+   - fix typo in diagnostics for momentum tendency from AB.
+ o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
+     SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
+ checkpoint64r (2013/12/08)
+ o verification/*/results:
+   - Update reference output of experiments that were passing with just 13 digits
+      (make it easier to detect future changes in results)
+ o model/src & pkg/ptracers:
+   - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
+     inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
+     to inside ptracers_integrate.F ; remove ptracers_advection.F
+ o coupling interface pkgs:
+     [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
+   - change the config check to test the agreement of Ocean Depth
+     with ATM land/sea mask (instead of ATM orography);
+   - send to coupler the number of coupler time-steps to do for this run:
+     this allows to check for consistency and don't need anymore to be
+     specified in parameter file "data";
+   in coupler:
+   - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
+   - improve report to log-file of config setting (pass log-file unit to few S/R)
+ o pkg/compon_communic:
+   - add coupling send/receive for non-tiled integer vector;
+   - add S/R to check and stop if any proc has an error (similar to
+     eesupp/src/stop_if_error.F but single thread and across Comm_World).
+ o pkg/exch2:
+   - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
+     through list of all tiles my proc owns.
+ o model/src:
+   - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
+     from rTrans) to simplify dependencies (no need to store rTrans anymore in
+     calling S/R); this affects AD results at machine truncation level:
+     update AD-output (TAF) of experiments: 1D_ocean_ice_column,
+     bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
+ o tools/build_options:
+   - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
+ o coupling interface pkgs:
+     [compon_communic, atm_compon_interf & ocn_compon_interf]
+   - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
+     to each S/R that needs it; remove un-used variables.
+   - change component tile registration (cpl_register.F in both compon_interf
+     and mitcomponent_tile_register.F) to pass the full list of tiles
+     information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
+   - with pkg/exch2: adopt the same convention used for I/O to define mapping
+     towards coupler global array (unless W2_useE2ioLayOut=F):
+      a) can now use different tiling between atm & ocn comp.
+      b) no needs to modify the run-Off map when changing tiling (was needed
+         even if using the same tiling between atm & ocn).
+      c) will allow to run with blank-tiles in 1 component (e.g., for ocean
+         full land tiles); not yet tested.
+   - check for valid mapping from comp. tile to coupler global array
+   - improve report of tile registration results to log file.
+ o pkg/exch2:
+   - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
+     tile-registration (CPL_REGISTER);
+   - activate (un-comment) definition and setting of "W2_tileIndex" list to
+     store the local bi,bj indices of each tile;
+   - also print bi,bj in local report to log file;
+   - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
+     Jun 2009 modif of pkg/exch2).
+ o testing on baudelaire:
+   - run 2 tests at a time: no significant slow down (since enough cpu) and
+     get the full set of test done earlier
+   - switch the ifort test to "-devel" ; run the OpenAD test everyday.
+ o model/src/thermodynamics.F and routines called from it:
+   - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
+     gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
+     velocity (outp) by adding bolus velocity.
+   - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
+     mass transport from velocity + lateral grid cell area
+   - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
+   - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
+  in thermodynamics.F
+   - remove k from thermodynamics.F and move it to temp_integrate.F
+     salt_integrate.F and ptracers_integrate.F (now done inside the tracer
+     loop).
+   - compute locally (in thermodynamics.F) 3-D velocity field that is used to
+     advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
+     PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
+     GAD_IMPLICIT_R and PTRACERS_IMPLICIT
+   - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
+     global_ocean.90x40x15, tutorial_global_oce_biogeo and
+     tutorial_tracer_adjsens (+ TLM output).
+ o tools/OAD_support and (verification/*/) code_oad:
+   - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
+     module conversion ; remove unneeded CPP_EEOPTIONS.h.
+   - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
+     version (closer to model/inc/CPP_OPTIONS.h).
+ o model/src:
+   - remove parameter "useOldFreezing" from PARAMS.h and push it to the
+     retired list of parameters (routine FREEZE has been replace by surface
+     freezing (10.yrs ago) and by pkg/frazil (interior freezing).
+ o pkg/gmredi:
+   - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
+     velocity (same scheme but affects machine truncation) for GM_AdvForm.
+   - update output of FWD experiments: front_relax.bvp,
+     global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
+ checkpoint64q (2013/11/17)
+ o verification:
+   - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
+     tutorial_global_oce_biogeo and global_ocean.90x40x15.
+   - generate new output (growth & melt) for seaice_itd experiment after
+     updating the input pickup_seaice files (previously wrong).
+ o pkg/cost:
+   - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
+     (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
+     o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
+       cannot be applied to var in common block).
+     o allows to get results independent of tile-per-proc setting (if using
+       slower GLOBAL_SUM_SEND_RECV option).
+   - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
+     thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
+     forward gradients: update output).
+   - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
+     S/R and, for most exp., also comment out GLOBAL_SUM_R8.
+ o pkg/mom_common:
+   - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
+     code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
+     viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
+     ensure that all field value that are used are set.
+ o tutorial_deep_convection (smag3d):
+   - add missing scaling in mom_calc_smag_3d.F;
+   - set smag3D_coeff in input.smag3d such that results do not change.
+ o pkg/dic:
+   - change dic_cost.F to compute cost on each tile first and then apply
+     GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
+     tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
+   - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
+ o eesupp/src & pkg/mdsio:
+   - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
+     (from pkg/mdsio) since they are no longer used for tape IO.
+   - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
+     (+ keep a copy in pkg/atm_ocn_coupler).
+ o verification/isomip:
+   - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
+ o tools/build_options:
+   - optfile linux_amd64_ifort11, fast (no ieee) case:
+     to get a working restart for all experiments, add "-fp-model source"
+     to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
+ checkpoint64p (2013/10/20)
+ o pkg/autodiff:
+   - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
+     criteria, return to simple (default) tape IO format.
+ o pkg/mdsio (+ eesupp/src):
+   - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
+     previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
+   - fix globalFile and singleCpuIO options using simpler global mapping.
+   - new pairs of scatter/gather vector S/R (one for each type, generated from
+     template) corresponding to simpler global mapping.
+   - adread_write.F: switch to new S/R (but leave old calls commented) and write
+     to globalFile when parameter globalFiles is set to True.
+   - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
+ o pkg/autodiff:
+   - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
+     with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
+     missing, just add a STOP if array type do not match.
+ o pkg/exf:
+   - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
+      rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
+      and rename array obsSIce to exf_iceFraction.
+ o tutorial_deep_convection:
+   - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
+     for now all in this exp. code dir.
+   - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
+     testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
+ o eesupp/src:
+   - added SINGLE_DISK_IO option because reading of parameter files on
+     very large number of processors did not work with existing set-up
+ checkpoint64o (2013/09/25)
+ o pkg/atm_phys & atm_compon_interf:
+   - allows for coupling of gray-atmosphere (atm_phys) with ocean.
+ o tools/build_options:
+   - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
+     & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
+     remove CPP setting (was identical to genmake2 default).
+ o pkg/gmredi & model/src: Some updating and work done on the residual model.
+   - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
+   - fixed up the calculation of the eddy stress and how it is added to the
+     external forcing via taueddy_external_forcing.F
+   - at the moment, it is very experimental and only works with the variable eddy
+     diffusivity calculated in gmredi_k3d.F
+ o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
+     lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
+ o testreport (& tools/do_tst_2+2):
+   - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
+ o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
+   - remove CPP='cpp -traditional -P' (this is genmake2 default)
+   - add switch (for big setups) to use 'medium' memory-model (but leave it
+     commented out for now). Note: needed with FC 19 to compile big setups.
+ o pkg/atm_compon_interf:
+   - regroup per field origin (model & pkgs) the coupling storage routines
+      (which accumalate in time each coupling field)
+   - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
+     update accordingly + simplify aim_do_physics.F
+ checkpoint64n (2013/08/26)
+ o pkg/bbl:
+   - update formulation to reduce dispersion of tracer properties in bbl
+   - replaced horizontal and vertical transport parameters with velocities
+   - changes results for verification/global_with_exf.yearly
+ o verification/halfpipe_streamice:
+   - change to matrix construction; update both Fwd & AD output.
+ o verification/tutorial_tracer_adjsens:
+   - OpenAD test: switch to vector-invariant momentum since fluxform with
+     rStar causes problems with OpenAD; update output.
+ o tools:
+   - genmake2: define a common prefix for all temp-file names ; move them
+     to local /tmp disk (but would be easy to move them back);
+   - xmakedepend: apply the same switch for temp-files.
+ o pkg/offline:
+   - changes for use with rStar (NLFS): assume that we continue to provide
+     UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
+     output files) and apply r* scaling at each time-step (function of the time
+     varying Eta field); use normal pickup files (needed for restart with NLFS).
+ o adjoint with OpenAD:
+   - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
+     package openad.  This package has to be compiled for all runs with OpenAD
+     instead of specifying code_oad_all as a modification directory.
+   - link the fortran templates from tools/OAD_support to the build directory
+     for preprocessing to avoid conflicts between different setups compiled
+     simultaneously and simplify cleanup.
+ o pkg/exf:
+   - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
+     main model or other pkgs are exchanged in EXF_MAPFIELDS).
+ o model/src:
+   - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
+     (similar to do_fields_blocking_exchanges.F).
+ o tools/genmake2:
+   - remove TAF output src code just before calling staf (when not doing a fresh
+     built, will stop if things go wrong with staf).
+   - fix target "adobj" (left from TAF version-2 transition)
+ o pkg/diagnostics:
+   - add a parameter to track the status of pkg/diagnostics activation;
+     this replace/extend the use of logical param "settingDiags" (to check
+     when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
+     New S/R to print error message and stop when pkgStatus is not right.
+   - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
+ checkpoint64m (2013/08/13)
+ o model/inc:
+   - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
+yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
+ o pkg/kpp & aim_v23:
+   - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
+ o pkg/seaice:
+   - restore (last time on 2011/12/24) ability to compile pkg/seaice with
+     undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
+   - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
+ o eesupp/src:
+   - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
+     in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
+ o switch to TAF version-2:
+   - add flow directives to "freeze" naming convention for ad-routines that
+     are used in I/O routines of adjoint state and associated common blocks
+     that are used in adcommon.h (backward compatible with version-1)
+   - update all ad-optfiles (in tools/adjoint_options + few local to some
+     verification exp) to switch to latest TAF version (currently 2.5.5);
+     merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
+     out except for diva).
+   - the major change with TAF version-2 is that both the differentiated
+     routines and the forward routines (new) are returned as part of the TAF
+     output source code. Update genmake2 accordingly.
+   - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
+     with version-2 when compared to TLM or FWD gradient); other experiments
+     output show minor changes (machine truncation level); update the few AD &
+     TLM output with 12 matching digits only (some prior to version-2 switch).
+ checkpoint64l (2013/08/05)
+ o model/src:
+   - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
+   - main_do_loop.F: no longer includes additional (AUTODIFF) header files
+     when using TAF but only if using OpenAD.
+ o pkg/mom_common+fluxform+vecinv:
+   - always set horiz. viscosity arrays to background value before calling
+     MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
+     only when using variable horiz. viscosity (useVariableVisc=T);
+   - simplify mom_vecinv.F (only 1 block for momViscosity).
+ o pkg/mom_common: variable horiz. viscosity in NH code
+   - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
+     from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
+   - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
+     useBiharmonicVisc & useVariableVisc.
+   - fix old bug (already in 1rst implementation of variable horizontal viscosity
+     in calc_gw.F, version 1.27, 2006/06/20):
+     horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
+     even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
+   - change background horiz viscosity in vertical momentum (gW) to always be
+     viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
+     any type of variable viscosity, e.g., viscAh/4Grid)
+   - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
+     viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
+     horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
+     default viscAh,viscA4 is zero).
+ o model/src:
+   - extend length of drC & recip_drC from Nr to Nr+1.
+ o Divided Adjoint (DIVA) with MPI:
+   - genmake2: do not create local ./mpi_headers dir when no file to copy into.
+   - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
+     and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
+ checkpoint64k (2013/07/23)
+ o tools/OAD_support:
+   - avoid the need for file "oadtempflile" in insertTemplateDir.bash
+     and remove it from genmake2.
+ o tools/build_options:
+   - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
+     MPI_HEADER_FILES list (let genmake2 find the missing headers)
+ o verification/halfpipe_streamice:
+   - change to driving stress formulation; update both Fwd & AD output.
+ o tools/genmake2 and Divided Adjoint with MPI:
+   - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
+   - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
+   - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
+     Makefile, which is set by genmake2, and check which mpi-headers are needed.
+     Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
+   - update target "CLEAN" (to also remove ./mpi_headers/ dir).
+ o testreport:
+   - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
+     perform additional runs (number of additional runs is "add_DIVA_runs" taken
+     from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
+ o verification/lab_sea (AD test):
+   - change to test Divided Adjoint Run in this set-up (both standard AD test
+     and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
+ o pkg atm_ & ocn_compon_interf:
+   - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
+     staggerTimeStep implementation) and disable (retired) corresponding
+     parameter.
+ o pkg/offline:
+   - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
+   - add S/R OFFLINE_CHECK to print offline parameter summary
+     and stop if loading a file that is not used;
+   - enable to calculate GMRedi tensor, KPP mixing and convective index
+     when the corresponding file(s) is/are not specified (but pkg is used).
+   - comment out resetting of monitorFreq (to endTime) since it still useful
+     for monitoring CFL numbers and checking offline fields.
+ o OpenAD:
+   - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
+     smaller standard output) and generate new (smaller) output (on baudelaire
+     using gfortran with -ieee) for exp. tutorial_tracer_adjsens
+ o model/src:
+   - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
+     (where external_forcing_adjust was called) and change list of arguments;
+   - merge external_forcing_adjust.F into external_forcing_surf.F
+   - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
+     which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
+     previously in file "balance_relax.F", now removed); remove corresponding
+     arrays in FFIELDS.h.
+   - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
+     a hack for getting back surfaceForcingS (loaded from file) when using
+     ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
+   - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
+     (was getting only 11 digits for AD-grad, due to different truncation
+      error in AD code).
+ checkpoint64j (2013/07/04)
+ o pkg/offline:
+   - to enable the use of other features with pkg offline (e.g., obcs),
+     also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
+   - comment out "allowFreezing" (now active) in 2 offline testing exp.
+ o pkg/exf ALLOW_RUNOFTEMP
+   - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
+   - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
+   - changes verification/global_ocean.cs32x15/results/output.seaice.txt
+ o pkg/atm_phys:
+   - allows to add some damping on uVel,vVel (strength only function of k).
+ o verification, ad-tests:
+   - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
+     global_ocean_ebm and offline_exf_seaice.thsice.
+ o verification/halfpipe_streamice:
+   - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
+     flux input boundary conditions to be ignored; a fix for this bug changed
+     verification results for forward test.
+   - add adjoint test.
+ o pkg/ptracers:
+   - allow to restart without SOM pickup (resetting SOM to zero).
+ o pkg/gmredi:
+   - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
+   - It uses mixing length theory and suppression by steering level effects to
+     calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
+     to JPO, for more details).
+   - It also uses the diffusivity to calculate an eddy induced streamfunction
+     based on a PV closure (rather than a buoyancy closure as in GM).
+   - New files added to pkg/gmredi:
+     gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
+       induced overturning streamfunction (called from gmredi_calc_tensor)
+     gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
+       for use in gmredi_k3d
+     gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
+       the eddy diffusivity
+ checkpoint64i (2013/06/18)
+ o pkg/cheapaml:
+   - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
+     that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
+     with pkg/cheapaml.
+ o utils/python: add subpackage for cubed sphere function, first example is
+     simple cs.pcol to plot 2D fields on a map
+ o pkg/streamice:
+   - This is a new package in MITgcm, which solves dynamic equations for ice
+      sheets and ice streams
+   - At the moment it is independent of atmosphere/ocean dynamics, or any
+     other physical packages in MITgcm, even ShelfIce (although it is anticipat-
+     ed that this will change)
+   - There is a new verification exercise that tests it, halfpipe_streamice,
+     evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
+     rectangular embayment
+   - halfpipe_streamice is forward-only for now, will have TAF test soon
+   - for questions, email dgoldber@mit.edu
+ o pkg/thsice:
+   - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
+     of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
+   - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
+      call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
+   - allow precip from pkg/cheapaml to make snow over seaice.
+ o pkg/cfc:
+   - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
+   - remove atmos CFC 2-D arrays from common bloc (now local variables)
+   - change some hard-coded constant to run time parameter for reading and
+     and interpolating atmospheric CFC ; keep same default as previously.
+   - more flexible reading of Atmos CFC (number of records no longer hard-coded)
+   - put arguments in standard order: myTime, myIter, myThid
+   - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
+     atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
+   - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
+   - new routine to print summary of CFC params and check for consistency.
+ o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
+   similar to thsice_advdiff.
+   Note that for the B-grid case the routine parameters uc/vc are overwritten.
+ o pkg/cfc:
+   - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
+     update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
+   - fix interpolation of atmphspheric CFC between Sorthern and Northern
+     hemisphere value.
+ o pkg/seaice:
+   - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
+ o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
+               so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
+   - requires an additional time level that is stored in the pickup
+   - you can start with AB2 from a pickup without this time level with
+     pickupStrictlyMatch = .false.
+ checkpoint64h (2013/05/26)
+ o pkg/cheapaml:
+   - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
+     affect machine truncation (but exp cheapAML_box still pass with 13 digits).
+   - consistent treatment of uWind,vWind location: assume everywhere in
+     pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
+     (Note: was already the case for Tair,Qair advection);
+     add option (INCONSISTENT_WIND_LOCATION) to recover old results.
+   - compute diabatic forcing only in the interior (excluding overlap regions)
+   - fill in array "Qsw" (for short-wave heating);
+   - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
+     before any update (consistent with MITgcm state var diagnostics);
+   - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
+     non periodic ; + adjusted for uWind,vWind (C-grid).
+ o pkg/seaice:
+   - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
+     add explicitly pkg/exf in experiments that currently use pkg/seaice.
+   - allows to compile pkg/seaice without pkg/exf.
+ o tools/OAD_support:
+   - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
+     of array "ourStepOf" in function rvNextAction (revolve.F90).
+ o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
+   - change pkg name (to be used with other atmospheric physics pkg)
+     but by-pass CVS when making the new pkg so that we keep the CVS history.
+ o pkg/offline:
+   - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
+     (previously called from pkg/dic_surfforcing_init.F)
+ o model/src:
+   - re-order sequence of calls within packages_init_variables.F, using
+     standard order, except for:
+      DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
+      CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
+ o new pkg: atm_phys
+   - add entry point and source code (previously in contrib
+       verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
+     (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
+   - re-order sequence of calls within packages_readparms.F,
+      packages_init_fixed.F and packages_write_pickup.F
+     (but skip packages_init_variables.F because of TAF issues).
+   - update contrib/*/atm_gray/ experiment.
+ o pkg/seaice (ITD code):
+   - simplify and fix the writing of pickup-files for ITD case
+ o pkg/seaice (ITD code):
+   - introduce floe size dependent lateral melt for ITD case;
+   - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
+   - update seaice_itd experiment main output.
+ o pkg/thsice:
+   - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
+     declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
+     changed accordingly pkg/atm2d.
+ checkpoint64g (2013/05/01)
+ o pkg/exf ALLOW_RUNOFTEMP
+   - if defined,  river and glacier runoff temperature can be read-in from
+     runoftempfile; runoftempfile needs to have same format as runofffile
+ o pkg/thsice (& pkg/bulk_force):
+   - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
+     for energy content of Precip + RunOff & Evap (like with pkg/exf).
+   - change computation domain to always be the interior (without overlap).
+   - fix bug (wrong overlap) when using EXF and stressReduction > 0.
+ o verification/tutorial_global_oce_biogeo:
+   - add preliminary OpenAD setup (still has problems)
+ o pkg/seaice:
+   - turn some parameters for choosing the convergence criterion of
+     the inexact Newton method (JFNK) into runtime parameters for convenience
+   - clean up seaice_calc_viscosities.F: remove/retire two options for
+     SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
+     the results of lab_sea/input because a division has been replaced by
+     a multiplication with the reciprocal (sumNorm)
+   - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
+     convergence of solver (changes results, of course), and to test some
+     new features
+ o model/src:
+   - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
+   - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
+   - move forcing adjustment (balancing surface forcing) in specific S/R
+     where might also be applied exchanges (if needed) to forcing arrays.
+ o pkg/shelfice:
+   - allow to specify the Ice-Shelf mass per unit area (instead of
+     shelficeLoadAnomaly) and do the conversion from one to the other
+   - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
+     to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
+     (b) will be loaded in time (before calling INI_PRESSURE) in case it is
+     needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
+   - update isomip experiment forward output (get machine truncation error
+     from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
+ o verification/offline_exf_seaice:
+   revise data.seaice in input.thermo and input_ad and update results accordingly
+     HO = 0.2, SEAICE_areaLossFormula = 2,
+     SEAICE_growMeltByConv = .TRUE.,
+     SEAICE_doOpenWaterMelt = .TRUE.,
+   Improve consistency with input.thsice and fix the spurious 500m ice corners
+ o verification/global_ocean.cs32x15:
+   - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
+     in icedyn (thsice+seaice-dyn) test and update output.
+ o verification/offline_exf_seaice:
+   - adjust list of tested variables (with testreport) and update
+     standard test output with better slection of monitored fields.
+ o pkg/cd_code:
+   - swtich off Adams-Bashforth on the 1rst iteration. Update output of
+     experiment lab_sea.hb87
+ o tools/genmake2:
+   - change default makedepend from the system default to tools/xmakedepend:
+     When no makedepend is specified, select tools/xmakedepend it the test pass,
+     otherwise select the system default (if exist and pass the test) or
+     try to build cyrus-makedepend ; stop if none of the 3 works.
+ o pkg/exf & pkg/thsice:
+   - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
+     for energy content of Precip + RunOff & Evap. Assumes:
+) Rain has same temp as Air.
+) Snow has no heat capacity (consistent with seaice & thsice pkgs)
+) Run-Off comes at the temp of surface water (with same Cp)
+) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
+     put directly into Latent Heat flux & should use water-vapor heat capacity.
+) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
+     with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
+ o pkg/seaice: simplify the use of CPP flags in JFNK-related files
+     (compile when SEAICE_ALLOW_JFNK is defined)
+ o pkg/thsice:
+   - fix oceanic flux diagnostics & timeave (left from new sequence of calls
+     implementation): move THSICE_AVE call after the advection (called directly
+     from thsice_do_advect.F).
+ o verification/global_ocean.90x40x15 and OpenAD:
+   New experiment for OpenAD is identical to the one in input_ad except that
+     multiDimAdvection=.FALSE.,
+   There is still an issue with this.
+ o pkg/thsice:
+   - account for ice velocity (ocean relative velocity) in turbulent heat flux
+     at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
+     and offline_exf_seaice (main test).
+ checkpoint64f (2013/03/31)
+ o verification/OpenAD:
+   - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
+ o verification/isomip, pkg/shelfice and OpenAD:
+   - add OpenAD setup to this exp and make shelfice package work with OpenAD
+ o verification/tutorial_global_oce_biogeo:
+   - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
+ o verification/offline_exf_seaice:
+   - replace adjoint experiment (now similar to fwd input.thermo/ setup).
+ o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
+   - add OpenAD setup to this exp and make ptracers package work with OpenAD
+ o pkg/seaice/seaice_evp.F:
+    mask the asymmetric contribution of the ice-ocean stress (when
+    the turningAngle is non-zero) over open water to avoid stripes
+    in the EVP-solutions after many EVP-substeps. This does not change
+    the verification experiment (because turningAngle=0 in that experiment),
+    but will affect other EVP solutions with turningAngle.ne.0
+ o verification, AD & TLM output:
+   - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
+     additions and multiplications which affect results at machine truncation
+     level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
+     lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
+     (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
+     digits of matching.
+ o pkg/seaice:
+    modify lsr-algorithm so that it vectorizes AND converges by using a
+    "zebra" method: split vector loop into two with step size 2; this
+    solves a general convergence problem for the JFNK solver on a vector
+    computer. It has the potential to even improve convergence for
+    non-vector machines, but it does change the results so it is turned
+    off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
+    SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
+ checkpoint64e (2013/03/05)
+ o pkg/ecco and several verification experiments:
+    Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
+    from ecco package, and revert to unified routine in model/src/
+    Adjust verification experiments accordingly, especially gloal_oce_llc90
+    Should conclude long-standing work by Gael to reconsile the_main_loop with
+    ECCO and will enable OpenAD's revolve loop in ECCO setup.
+ o pkg/generic_advdiff:
+   - implement compressible flow method for multi-dim advection (similar to
+     gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
+     TAF generates many recomputations) to use it; no yet coded with implicit
+     vertical advection.
+   - change experiment advect_cs (new output) and advect_xy (same output)
+     to test compressible flow multi-dim advection.
+ o pkg/generic_advdiff:
+   - fix SOM advection for unusual cases (linear Free-Surf in r*, other
+     cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
+ o pkg/seaice:
+   - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
+     bug affects two verification experiments (lab_sea and lab_sea.hb87),
+     recover old (wrong) results by setting noSlipFac = 2. in
+     seaice_calc_strainrates.F;
+   - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
+   - add runtime parameter SEAICE_JFNKepsilon for that finite difference
+     gradient in the Jacobian times vector operation (s/r seaice_jacvec)
+   - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
+ o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
+   - new subroutines seaice_lsr_tridiagu/v
+   - introduce loop bounds i/jmin/max to be able to use a restricted
+     additive Schwarz method, but not used for now.
+   - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
+   - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
+ o OpenAD support
+    Reorganize S/R call for overall time-stepping loop to facilitate
+    OpenAD revolve loop replacement
+    (new S/R main_do_loop.F)
+ o model/src:
+   - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
+   - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
+     ADAMS_BASHFORTH2.
+ o pkg/cheapaml:
+   - add new parameter (default=F, same as before) to disable full domain
+     (including land) periodicity in X & Y dir.
+   - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
+     prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
+     into single S/R CHEAPAML_TIMESTEP.
+ checkpoint64d (2013/02/17)
+ o pkg/monitor (angular momentum):
+   - do not add Eta contribution to the total AM if using rigid-lid;
+   - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
+   - horizontal discretisation: compute Zonal wind contribution separately for
+     each component (instead of from cell centered averaged) and use the 4
+     grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
+   - Check that AM is conserved with linear dynamics (momAdvection=F and linear
+     FreeSurf) if using vectorInvariant momentum.
+ o model/src (horizontal grid):
+   - move initialisation of all horizontal grid arrays to null value
+     from specific horizontal grid S/R to main S/R INI_GRID;
+   - add 2 new arrays to project model C-grid velocity on to zonal direction
+     (similar to AngleCosC & -AngleSinC but at U and V point location) and
+     compute them in S/R CALC_GRID_ANGLES.
+ o pkg/seaice: replace a hard coded parameter by a runtime parameter
+     SEAICE_JFNK_tolIter
+ o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
+     preconditioner for JFNK (run LSR into the overlaps as far as possible,
+     i.e OLx/y-2, but overwrite the solution in the overlaps)
+   - extend loop range in seaice_calc_viscosity
+   - add new parameters SEAICE_OLx/y (default = OLx/y-2)
+   - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
+   - slightly modify loops in tridiagonal solver lsr-preconditioner
+   - by default remove the extra exchange in seaice_preconditioner with a
+     replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
+   - modify offline_exf_seaice so that old results without RAS are reproduced
+     for output.dyn_jfnk.txt
+   in seaice_fgmres.F (unrelated to RAS)
+   - add a cpp-flag option for a re-ordered mapping (potentially more
+     efficient), but because this changes the results, turn it off by
+     default
+   - replace the save statement by local common blocks
+ o utils/matlab:
+   - fix tile-offset in rdmnc.m when output was produced using EXCH2.
+   - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
+     instead of local script "load_cs.m".
+ o pkg/seaice:
+   - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
+     to the scalarProductMetric and the unrolling. By chance this does not
+     change the verification experiment, because of the particular domain
+     decomposition
+ o pkg/diagnostics:
+   - change default missing_value from UNSET_RL to -999.
+ o pkg/layers: improve vectorization of layers_fluxcalc.F
+   - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
+     time spent in this routine by more than a factor of 3 on an NEC-SX8
+   - step 2: replace search algorithm by a bisection algorithm found in
+     Press et al. Numerical Recipes in Fortran. This algorithm can be
+     vectorized and finds the correct bin in approx. log2(Nlayers) steps.
+     For now, use this algorithm only for TARGET_NEC_SX defined.
+   - moved the search algorithm into a separate subroutine, that is kept
+     within the same file for automatic inlining.
+   - modified catching potential errors
+ o pkg/ecco:
+   - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
+ o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
+   - modifications for ALLOW_GENTIM2D_CONTROL
+   -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
+   -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
+   -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
+   -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
+ o model/src:
+   - account for moist thermodynamics in (dry) potential temperature equation;
+     update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
+     and cpl_aim+ocn.
+   - also switch to standard compiler (gfortran, was using ifort previously)
+     for fizhi-cs experiments reference output.
+ o pkg/ctrl:
+   - 1st step toward generic time-varying control variable (2D) via CPP option
+     ALLOW_GENTIM2D_CONTROL
+   - note new namelist ctrl_nml_genarr in data.ctrl
+ o verification/global_ocean.cs32x15:
+   - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
+     thsice calling sequence and update "output.icedyn.txt" output file.
+ o pkg/ptracers:
+   - from Ryan A.: code to allow to restart a tracer at regular time interval
+     specifying a reset frequency and a reset-phase (for each tracers).
+ o pkg/thsice:
+   - implement new sequence of calls for thsice+seaice:
+       previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
+       new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
+   - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
+     in CPP_OPTIONS.h) to recover old sequence;
+   - update diagnostics for Intermediate State thsice diagnostics: now filled
+     just before advection (instead of just after advection in old sequence);
+   - update output of experiment offline_exf_seaice (standard test);
+   - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
+     by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
+ o pkg/aim_v23:
+   - use tiled array for aim_CO2 and surface wind speed for export to coupler;
+   - use standard pkg/mdsio routines to read & write CO2 pickup file;
+   - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
+   - Implement new sequence of calls for seaice advection (with thsice and
+     seaice diffusion): do ice advection after ice-Thermodynamic (previously
+     was done before); change aim_do_physics.F (split the bi,bj loops block);
+   - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
+ o pkg/thsice:
+   - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
+     where just seaice diffusion is used without seaice-dynamics.
+ checkpoint64c (2013/01/18)
+ o pkg/seaice:
+   - add a parameter JFNKres_tFac that can replace JFNKres_t
+     (= JFNKres_tFac*JFNKresidual before JFNK solver)
+   - add a line search option to the JFNK solver
+   - move update of u/vIce and computation of initial residual into a separate
+     routine (same file); makes the code a little easier to read (?)
+   - the line search requires computation of the residual and for some reason
+     I cannot do the update of u/vIce at the beginning of the Newton loop
+     without changing the results, so we move computation of the new residual
+     also to the end of the Newton loop, even without the line search
+ o pkg/mdsio:
+   - write missing value (corresponding to undefined array value) to meta files;
+     skip this if missing value is one (UNSET_RL would be a better value for the
+     case of undefined missing value but it's current the default missing-value);
+     Also update mdsio_read_meta.F (reading timeInterval & missing-value).
+ o pkg/exf & thsice:
+   - for diagnostics purpose, fill-up and update Qsw array (+ fill the
+     diagnostics) even when SHORTWAVE_HEATING is #undef;
+ o verification/cfc_example:
+   - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
+     illustrate how to use it).
+ o verification/offline_exf_seaice:
+   in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
+     files to only one time-record.
+   in input.thermo: narrow the 2 bands of low initial ice-concentration near
+     N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
+     snapshot output; same mcPheePiston value as in thsice with
+     surf-current=0.2m/s.
+   in input.thsice: similar set-up as in input.thermo (channel with same seaice
+     initial conditions).
+ o verification/cfc_example:
+   - update file "data" with more standard choice (default rotationPeriod,
+     exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
+     set deltaTFreeSurf to deltaTtracer) and update the output.
+ o pkg/layers:
+   - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
+   - ensure that "layers_bolus" is switched to False when useGMRedi=False.
+ o verification/offline_exf_seaice:
+   - set all {field}period to zero for constant-in-time forcing (not tested
+     anywhere else).
+ o verification/offline_exf_seaice:
+   - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
+   - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
+ o model/src:
+   - implement Finite-Volume method for (hydrostatic) presure gradient
+     from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
+ o pkg/seaice: implement EVP* by Lemieux et al. (2012).
+   - In order to be compatible with the default EVP code, this requires changing
+     the EVP code around a little; and because any small change immediately
+     breaks the lab_sea.hb87 verification experiment, the reference output is
+     updated two times (each time the remaining aggrement was only 2 digits):
+     - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
+     - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
+     The adjoint test lab_sea.evp also needed to be updated.
+   - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
+     SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
+     a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
+     explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
+     INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
+     kept obscure, because I need to test it a little more.
+ o pkg/cheapaml:
+   - fix few incorrect type (_RL/_RS) in subroutine calls.
+ o pkg/seaice:
+   - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
+     to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
+ o model/src:
+   - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
+     change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
+     experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
+ o pkg/cheapaml:
+   - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
+     update output of experiment cheapAML_box.
+   - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
+     and set them only in one place (cheapaml_readparms.F).
+   - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
+   - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
+     and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
+ o model/src/the_main_loop.F:
+   - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
+ o pkg/seaice:
+   - remove legacy branch code.
+   - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
+ o verification/*/code*/SEAICE_OPTIONS.h:
+   - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
+     SEAICE_CAP_HEFF).
+ o pkg/cheapaml:
+   - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
+     to load new forcing fields.
+   - add missing "_d 0" where it's needed; + some editing (improve indentation).
+   - remove switch to "-r8" compiler option (no longer needed) in verification
+     cheapAML_box, keep same output (small trucation error differences).
+ o verification/offline_exf_seaice:
+   - add thermodynamics only test.
+ o verification/cheapAML_box:
+   - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
+     keep same output (same 14 digits for cg2d).
+   - switch on "-r8" compiler option (some numerical values are missing
+     the "_d 0") and update output (only 6 digits for cg2d were preserved).
+ checkpoint64b (2012/12/24)
+ o pkg/cheapaml:
+   - remove un-used variables (Qnet,EmPmR) from pickup files.
+   - store tendency of advected variables into cheapaml pickup file
+     and fix the AB-2 restart.
+ o verification/offline_exf_seaice and lab_sea adjoint:
+   - switch to new code (#undef SEAICE_GROWTH_LEGACY).
+   - switch to 4 time steps in offline, consistent with lab_sea.
+   - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
+   - update results after change of experiment seaice.
+ o pkg/seaice:
+   - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
+     parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
+     still defined since SEAICE_multDim needs to be set to MULTDIM value (from
+     SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
+ o model/src:
+   - add run-time parameter to select CG2D solver minimum-residual solution
+     (in case of a poor convergence).
+ o pkg/seaice/seaice_lsr.F
+   - move calculation of matrix coefficients into new
+     S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
+     file; the main purpose of this change is to be able to reuse the code
+     in S/R SEAICE_PRECONDITIONER
+   - modify the computation of the residual so that the mass of sea-ice
+     is not used twice; this simplifies the calculations, but since
+     the residual is never used except when LSR_mixIniGuess.ge.4---and this is
+     not tested in testreport---this does not affect the testreport results.
+ o verification/seaice_obcs:
+   - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
+     verification/lab_sea/input.salt_plume; changes results/output.txt*
+ o model/src:
+   - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
+ o pkg/seaice:
+   - improve description of parameters in seaice_fgmres.F and start
+     cleaning up the code
+   - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
+     second argument
+   - add a metric based on grid cell area to SEAICE_SCALPROD; update
+     results of offline_exf_seaice.dyn_jfnk
+   - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
+ o pkg/aim_v23:
+   - fix an other bug in dissipation heating (grid-cell area was missing).
+ o model/src + pkg/seaice:
+   - add global (multi-tile) linear solver for pair of tri-diagonal system
+     along X and Y lines, respectively for U and V component.
+     Note: 1) MPI and cube-exchange not yet coded.
+) probably not accurate for poorly conditioned / large size problem.
+   - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
+     default: not compiled and not used.
+ o pkg/seaice:
+   - first attempt at a multi-threaded fgmres solver for the JFNK solver:
+     introduce bi/bj loops and use global_sum_tile_rl instead of
+     mpi_allreduce in seaice_fgmres.F
+   - improve diagnostics output for fgmres solver (seaice_fgmres.F)
+   - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
+   - add a verification experiment for JFNK in offline_exf_seaice
+ o verification:
+   - change (for now, only fwd test) offline_exf_seaice experiment:
+     use a re-entrant channel with idealized coastline (trapezoidal shape)
+     at southern boundary to explore seaice dynamics and thermodynamics
+     with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
+     secondary test (input.thsice) use thermodynamics only with SST relaxation.
+   - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
+ o pkg/exf:
+   - disable "sstExtrapol" when Nr=1
+ o verification:
+   - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
+     to test pkg/cheapaml.
+ o pkg/aim_v23 & pkg/shap_filt:
+   - fix dissipation heating (erroneous gravity multiplication factor).
+ o pkg/seaice:
+   - remove unused field pressPre from jfnk solver
+   - rename two subroutines in seaice_preconditioner.F
+ o eesupp/src:
+    - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
+ o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
+    - remove wrong parts of the rhs and the lhs (were in there
+      because I did not understand the concept of this preconditioner)
+    - add an exchange between u- and v-sweep. This increases communication
+      by a factor of two but improves the convergence of jfnk. Ideally,
+      one would like the u- and v-sweep to be independent. So far within
+      undocumented ifdefs
+    - reorganize the extra computations for printing the residuals
+ o tools/genmake2:
+   - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
+     since it's not necessary (and was preventing to use MNC in some cases).
+ checkpoint64a (2012/11/16)
+ o pkg/autodiff:
+   - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
+     autodiff_readparms.F no longer depends on calling order (within
+     packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
+     rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
+     and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
+ o pkg/obcs:
+   - adding tidal velocity forcing capability to obcs
+     for usage example, see verification/seaice_obcs/input.tides
+ o pkg/seaice:
+   - turn the LSR-relaxation parameters WFAU/V into runtime parameters
+     SEAICE_LSRrelaxU/V
+   - introduce runtime parameter SEAICEetaZmethod (=0 by default)
+ o pkg/aim_v23:
+   - implement heating from friction (bottom friction and stratospheric drag).
+ o pkg/shap_filt:
+   - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
+     dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
+ o model/src:
+   - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
+     time-constant addMass field from file (addMassFile);
+   - support for heating due to friction (and Kinetic Energy dissipation):
+     add option, run-time switch and 3-D field array + support code ; each pkg
+     or S/R can add heating contribution (if there is a sink of KE); the sum is
+     accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
+ o pkg/seaice:
+   - complete merge of ITD code into seaice_growth.F
+     from MITgcm_contrib/torge/itd/code/
+     no verification so far, but Torge Martin tested
+     "1-D test case and Beaufort set up;
+     deliver okay results after 1 model year."
+   - complete merge of SEAICE_SIZE.h into all relevant routines
+   - move computation of eta at Z-points into calc_viscosities
+     + introduce global field etaZ
+     + add different methods for computing etaZ, for now the old
+       method (simple averages of eta to Z-points) is hardwired
+     + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
+       seaice_preconditioner
+   - simplify computations for SEAICE_ZETA_SMOOTHREG
+   - seaice_preconditioner:
+     + replace one remaining press by pressLoc (mistake)
+     + adjust printing of residuals
+   - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
+     + add (SEAICE.h) and rename some counters (initiliased in
+       seaice_init_fixed.F)
+     + add _BEGIN/END_MASTER (myThid)  around print statements
+     + print total number of iterations and failures over SEAICE_monFreq
+       interval to STDOUT
+   - move control over output-messages by fgmres to seaice_jfnk to save
+     some operations
+   - move resetting initial guess for fgmres outside of seaice_fgmres_driver
+     in order to make restarts with sol .ne. zero (fgmres with restarts)
+     (seaice_jfnk.F, seaice_fgmres.F)
+   - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
+     a serious convergence problem when open boundaries are involved
+ o pkg/ggl90: fix computation of control volumes for the case of
+   ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
+   up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
+ o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
+ o pkg/autodiff
+   - Add inAdMode switch for SEAICEuseDYNAMICS:
+     SEAICEuseDYNAMICSinAdMode
+     (extend logic in ADAUTODIFF_INADMODE_SET)
+ o pkg/seaice
+   - Step 1 of merging ice-thickness distribution (ITD) code from
+     MITgcm_contrib/torge/itd/ (author: Torge Martin)
+     The code implements concept laid out in Thorndike et al. (1975);
+     code is enabled via CPP flag SEAICE_ITD
+     nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
+     code is not complete yet!!
+   - SEAICE_SIZE.h now included in almost all seaice routines
+ o verification (using seaice):
+   - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
+     global_ocean.cs32x15.seaice ; update results.
+   - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
+   - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
+     offline_exf_seaice (previously compiling B-grid).
+ o pkg/exf:
+   - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
+     to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
+     forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
+ o pkg/layers (adjust changes from Sept 19):
+   - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
+     this allows to remove "layers_maxNum" dimension from all layers arrays.
+ o pkg/layers (adjust changes from Sept 19):
+   - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
+   - snap-shot extended to all type of layers (not just the 1rst type);
+   - remove layers variables when corresponding CPP option is undef.
+ o pkg/layers:
+   - rename pkg/layers variable and add new output (layer exist & un-weighted
+     velocity in layer)
+ o pkg/seaice:
+   - simplify (?) ocean-drag coefficent computations by using
+     the same routine in all three solvers (saves some code lines)
+   - remove global fields DRAGA and DRAGS from C-grid code and
+     declare them locally in lsr.F (the only place where they are
+     still used)
+   - update AD output of lab_sea.evp (very sensitive anyway).
+ o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
+   (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
+   and SEAICEuseJFNK=.true. A few things to note:
+   - involves a FGMRES, that is parallel but very inefficient,
+     because of many scalar products (global sums) in the Gram-Schmidt
+     orthogonalization method. Needs to be replaced. Original code
+     from J.-F. Lemieux
+   - preconditioner for FGMRES is a stripped down version of LSOR
+   - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
+     preconditioner. For the preconditioner, the default is set to 10.
+   - Jacobian times vector is computed with finite differences
+   - marginally related to JFNK-solver: add a smooth regularization for
+     zeta with tanh that will improve convergence (Lemieux and Tremblay,
+) for any implicit solver (not implemented for EVP because EVP
+     does not need this regularization in the first place). Define
+     SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
+ o eesupp/src:
+   - check in genmake2 that intrinsic S/R flush is available.
+   - add S/R to flush IO unit (if intrinsic S/R flush is available)
+   - flush standard & error msg unit before MPI termination
+   - if debugMode, flush IO unit after printing msg
+ o pkg/ctrl:
+   - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
+     to ctrl_set_unpack_xyz.
+ checkpoint64 (2012/10/09)
+ o pkg/shelfice
+   - in mom_fluxform.F, mom_vecinv.F:
+     CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
+     Bug fix KappaRU -> KappaRV
+     does not change verification/isomip but may change other setups
+     (presumably constant KappaRU=KappaRV)
+   - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
+ o pkg/obcs:
+   - fixed some indexing bugs in obcs_seaice_sponge.F
+   - added obcs relaxation subroutines for HSALT and HSNOW
+   - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
+ o pkg/seaice:
+   - add "multicategory" parameterization for snow in analogy to ice,
+     default is off for now.
+ o pkg/obcs:
+   - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
+     see verification/seaice_obcs/input.seaiceSponge for example application.
+   - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
+     index setting by master-thread. This fix multi-threads Pb in previous modifs.
+ o pkg/layers :
+   - add diagnostics to pkg/layers
+   - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
+     (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
+ o pkg/generic_advdiff/gad_implicit_r.F :
+   - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
+ o pkg/seaice/seaice_growth.F:
+   - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
+ o pkg/obcs:
+   - change default setting of OBCS_UVICE_OLD from defined to undef;
+   - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
+     in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
+   - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
+   - change OB null index value (OB_indexNone) to -99 ; this fix the problem
+     with Southern & Western OB at a tile edge (at least in a simple set-up).
+ o pkg/obcs:
+   - change settings of OB index in case OB coincides with tile edge (shared by
+tiles), so that common OB location is registered by both tiles (instead of
+     only 1). However, for Southern and Western OB, index value = 0 is not
+     recognized as valid OB index (=default null value) and needs to be fixed.
+   - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
+   - new parameter "OB_indexNone" for null index value (for now, still zero)
+     to replace hard-coded null index value of zero.
+ o pkg/exch2:
+   - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
+     always check buffer-size (but outside the loop); move checking for valid
+     index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
+     print each tile and point connection only if |W2_printMsg|>= 2 and 3.
+ o pkg/ctrl (pack & unpack):
+   - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
+     (locally defined) for different variables (+ remove the variable-specific
+     file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
+     (to be extended to other local file names in ctrl.h).
+ o pkg/flt:
+   - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
+ o pkg/mdsio:
+   - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
+ o tools/genmake2:
+   - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
+     (added by Alistair in version 1.51 for building without make depend);
+   - remove Header files list (H_SRC_FILES) from the dependence of targets
+      ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
+     place in version 1.23): this save going through staf when unrelated header
+     file has been modified.
+    Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
+     "make depend" step, still need to do "make links" before "make adtaf".
+ o eesupp/src (+ few pkg src files) & genmake2:
+   - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
+   - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
+   - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
+      upper/lower case ; account for space between "#" and undef/define)
+ o pkg/flt (with exch2):
+   - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
+   - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
+ checkpoint63s (2012/09/05)
+ o pkg/ecco:
+   - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
+   - add more relevant #ifdef ALLOW_SMOOTH ones.
+   - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
+ o pkg/ctrl:
+   - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
+     ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
+   - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
+     doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
+     ctrlSmoothCorrel3D (new).
+     The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
+   - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
+   - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
+     controls when useAtmWind, and vice versa.
+   - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
+   - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
+       #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
+   - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
+       #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
+   - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
+     replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
+ o pkg/smooth:
+   - remove un-necessary includes.
+   - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
+     Those CPP options were never defined, and not necessary.
+ o model/src:
+   - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
+   - standard treatment of useSMOOTH.
+ o pkg/autodiff:
+   - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
+     useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
+ o pkg/exch2:
+   - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
+     + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
+   - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
+     and tiles to process mapping.
+   - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
+     moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
+     rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
+     from w2_eeboot.F to w2_readparms.F.
+ o eesupp/src:
+   - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
+     ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
+     also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
+   - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
+     is defined (remove condition on usingMPI) to match cases where MPI_INIT
+     has been called.
+   - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
+   - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
+     (so that on 1 proc, get same myPid independently of usingMPI)
+   - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
+     useCubedSphereExchange with EXCH-1 (safer).
+   - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
+ o pkg/ggl90:
+   - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
+     used in ALLOW_GGL90_SMOOTH code.
+ o pkg/flt:
+   - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
+     floats at the Southern end of the domain).
+ o eesupp/inc:
+   - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
+     but not used (and not to be used) anywhere, just for documentation.
+ o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
+   - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
+     a) can damage previously written records in any other multi-record files.
+     b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
+ o tools/genmake2:
+   - define variable MAKE within Makefile and use it in place of 'make';
+   - update AD_CONFIG.h (if needed) before building any of the executable
+     (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
+     and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
+   - always print usual warning comment 'this file is automatically generated'
+     from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
+ o pkg/cheapaml:
+   - updated to correspond to the code used in accepted paper (Nico Wienders).
+ o pkg/exf:
+     added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
+     ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
+     and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
+ o pkg/exf, autodiff, ctrl, ecco and seaice:
+     remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
+ o pkg/ctrl, ecco:
+     allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
+     Depending on useAtmWind, one is inactive, and the other is active (see
+     exf_getffields.F/exf_getsurfacefluxes.F).
+ o tools/genmake2:
+   - improve error msg when failing in 2nd test of check_for_broken_Ff
+   - fix option '-makefile' short-name (-mf according to genmake2 -help)
+   - source local config file "genmake_local" just after processing the genmake2
+     command arguments (previously done before processing arg).
+ o pkg/grdchk:
+   - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
+     to this routine from cost_final has been dropped in g_cost_final)
+   - improve printed information (more explicit msg, no longer using "print *,"
+      fix fcpertminus printed value).
+ o model/src:
+   - move call to COST_INIT_VARIA out of packages_init_variables.F directly
+     into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
+     this prevents getting cost-funct reset in adinitialise_varia recomputations.
+ o pkg/dic:
+   - move initialisation of "freefe" array from from dic_biotic_forcing.F to
+     fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
+ o pkg/grdchk:
+   - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
+   - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
+ o pkg/autodiff/ctrl/grdchk :
+   - attempt to sort out what works and what does not,
+     with regard to I/O, and to warn/stop accordingly.
+ o pkg/grdchk:
+   - attempt to fix grdchk in the case of useSingleCpuIO.
+   - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
+    statements were moved from grdchk_main.F and into
+    grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
+   - a global sum is applied to record numbers icvrec/layer
+    out of grdchk_loc so that they be passed to I/O routines.
+ o pkg/smooth:
+   - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
+     smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
+ o verification/testreport:
+   - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
+   - can also use compressed (gzip) reference output file;
+   - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
+     to be easier to collect by testreport.
+   - update existing TLM output (half out-of-date by more than 3 yrs).
+   - report NETCDF & LAPACK settings (from genmake2) in output dir.
+   - report run-time in each individual summary (previously only for AD test);
+     for TLM test, add also TAF version.
+   - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
+ checkpoint63r (2012/08/15)
+ o tools/genmake2:
+   - fix Makefile for target ftlall (+ update files to clean after make ftlall)
+ o pkg/ecco/ecco_cost_final.F :
+   - fix fc print statements (to stdout and costfunction0000) so
+     that the printed value is always after the global sum.
+ o pkg/seaice/seaice_dynsolver.F :
+   - fix ice strength assymptote at SEAICE_area_max<1
+     (no change for the standard case of SEAICE_area_max=1)
+ o some cleaning:
+   - pkg source files: ensure that all *.F files from each pkg included the
+     corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
+     only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
+     code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
+     includes;
+   - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
+   - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
+     is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
+     ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
+   - update option-file CPP_OPTIONS.h of all AD experiments:
+     * no longer include PACKAGES_CONFIG.h ;
+     * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
+     * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
+       including ECCO_CPPOPTIONS.h).
+ o pkg/cost, pkg/ctrl, pkg/ecco option-file:
+   - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
+     separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
+     not necessary accurate).
+   - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
+     pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
+     deliberately break compilation (a remainder that it needs to be customized)
+   - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
+   - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
+   - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
+ o tools/genamke2:
+   - check for lapack.
+ o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
+   - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
+     jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
+     from both packages.
+   - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
+   - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
+   - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
+     of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
+ o pkg/cost : add comments to explain special and/or untested setups.
+ o pkg/exf:
+   - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
+     (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
+ o verification/*/code_ad:
+   mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
+   - reccord when this file is included (define ECCO_CPPOPTIONS_H)
+   - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
+     allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
+ o pkg/seaice :
+   - added possibility to change ice strength/PRESS0 relationship to
+     HEFF, according to the following run time parameters
+     SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
+     SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
+     SEAICEpresH0   :: HEFF threshold for ice strength            (m)
+ o pkg/ggl90 :
+   - added run time flag mxlSurfFlag to include the code that ensure
+     mixing between first and second level (previously included as a comment)
+ o verification/1D_ocean_ice_column/input_ad/data.autodiff :
+   - add test of newly added dumpAdByRec=T option where
+     we write all records to one file per variable.
+ o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
+   - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
+     to check that this code is ok with taf and compiles in adjoint.
+ o pkg/autodiff :
+   - added run time param dumpAdByRec : ad dump format switch.
+     If true then write all records to one file per variable.
+     Else write one file per record (remains the default).
+   - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
+ o pkg/seaice:
+  - Added SEAICEuseTILT run time switch : if set to
+    false then omit the tilt term in seaice dynamics.
+  - Fix free drift calculation.
+ o pkg/shelfice:
+   When initializing SHELFICEDragQuadratic, set default to be
+   consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
+   but retain option to set it independently
+   (inconsistenty spotted by Veronique Dansereau)
+ o eesupp/inc:
+   - in EEPARAMS.h, add real-type constant for some frequently used simple number
+      (0,1,2,1/2), with name explicitly referring to RS/RL type.
+ o model/src:
+   - move balancing of relaxation terms to new S/R balance_relax.F.
+ o pkg/autodiff:
+   re-write active I/O high-level (control) S/R:
+   - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
+   - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
+   - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
+     MDS_READ/WRITE_FIELD); change loops to multi-threads.
+   - update and merge active_file_control_slice.flow into active_file_control.flow
+   - update the calls in lower level S/R (active_file.F, active_file_g.F and
+     active_file_ad.F) keeping the argument list and function unchanged.
+   - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
+     =.TRUE.") and remove high-level (control) _loc version (not called anymore).
+   - new low-level active I/O routines, one for each type (RL/RS), for active var
+     of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
+     fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
+     right type.
+ o autodiff and RS=real*4:
+   - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
+     ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
+   - change argument type of 3-D mask argument to _RS to match type in the call
+     (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
+ o pkg/thsice:
+   - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
+   - option to correct ocean fresh-water flux for imbalance of Atmos+Land
+     fresh-water flux: uniform correction or proportional to local precip.
+ o pkg/ctrl:
+   - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
+   - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
+                         ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
+   - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
+ checkpoint63q (2012/07/30)
+ o pkg/autodiff:
+   note about monitor and snap-shot of ad-variables:
+   a) need to apply ADEXCH before monitor or output of ad-vars to include
+    overlap contributions (was done for adjDump but missing for monitor).
+   b) since ADEXCH implies adding overlap values to interior array, machine
+    truncation error is expected when adding an ADEXCH call in the middle of
+    the time-stepping (although mathematically identical).
+   modifs:
+   - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
+     declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
+   - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
+     apply ADEXCH before monitor or snap-shot of ad-variables:
+        =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
+   - implement new method (copy+adexch) for snap-shot and monitor of main model
+     ad-vars (initially not used by default -> output unchanged).
+   - change default (set to 2) to use new method and update few output_adm.txt
+     with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
+     and both tutorial_tracer_adjsens tests).
+   - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
+     and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
+ o pkg/ctrl:
+   enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
+   generic control variables via
+   #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
+   Only required customization should be S/R ctrl_map_ini_genarr.F
+   (routine in repository contains example)
+ o pkg/exf:
+   - fix and refine checking of surface-relaxation setting when using EXF
+ o verification (adjoint exp):
+   - reduce length of simulation by half for experiment global_ocean.cs32x15
+     (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
+ o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
+   - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
+     of KE that can occur with aggressive optimization
+   + put quadratic bottom drag calculation in separated loops (only done if
+     using bottomDragQuadratic)
+ o model/src: CG2D_NSA
+   - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
+      and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
+   - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
+      change cg2d residual target to be expressed in Wunits (=> do not normalise
+      RHS ; this fix global_max Pb with TAF); update output.
+ o verification/tutorial_tracer_adjsens:
+    improve parameter consistency (and get rid of warnings):
+    - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
+    - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
+    - use staggerTimeStep (for stability) in som81; use default rotation period.
+ o pkg/exch2:
+   - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
+     reset to 0 = 1 long line in X)
+ o pkg/mdsio:
+   - fix reading of dimensions from meta file for large-size domain
+ o model/src:
+   - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
+   - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
+     Cubed-Sphere Exch with CS-corners inside the domain;
+     make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
+     globalArea and to set hasWetCSCorners.
+   - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
+     metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
+   - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
+     useCDscheme and useCubedSphereExchange).
+ o pkg/seaice/seaice_growth.F :
+   - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
+     for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
+     when the previous code was not correct.
+   - in all cases diagnoze the boundary condition mismatch to SIaaflux
+   - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
+     that term to QNET (essentially to set the melt/freeze water to 0degC).
+     when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
+ o verification/global_ocean.cs32x15/input.seaice :
+   - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
+   - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
+   - update results (output.seaice.txt) accordingly.
+ o verification/lab_sea/input/data.seaice :
+   - remove SEAICEheatConsFix, which is now be tested
+     in global_ocean.cs32x15. The presently coded fix
+     is only consistent with real fresh water + nlfs.
+   - update results (output.txt) accordingly.
+ o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
+ o AD_CONFIG.h file:
+   - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
+   - remove #include "AD_CONFIG.h" from all included OPTIONS files and
+     add it explicitly in each fortran src file where it is needed.
+     motivation: header file AD_CONFIG.h is generated/modified after "make depend"
+     thus introducing potentially wrong dependency; therefore, better to include
+     it only where it's really needed, and after any other included OPTIONS file
+     (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
+     or ALLOW_TANGENTLINEAR_RUN).
+ checkpoint63p (2012/07/06)
+ o pkg/autodiff:
+   - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
+   - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
+     which are now read from new parameter file "data.autodiff" (inAdExact
+     previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
+   - add file "data.autodiff" in all verification/*/input_ad/ directories.
+   - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
+     mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
+ o verification/tutorial_tracer_adjsens/
+   - add extra sub-verification which uses "SOM" advection scheme
+     (2nd Order-Moment Advection Scheme, Prather Limiter) with
+       #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
+     and in data:
+       multiDimAdvection=.TRUE.,
+       tempAdvScheme=81,
+       saltAdvScheme=81,
+ o model/src:
+   - introduce ALLOW_BALANCE_RELAX which allow the removal
+    of the global mean of relaxation terms by setting
+    balanceThetaClimRelax and balanceSaltClimRelax
+   - disable balanceEmPmR and balanceQnet in the case when useSeaice.
+    This case is now treated appropriately in seaice_growth.F
+ o pkg/seaice:
+   - do balanceEmPmR and balanceQnet based on the net fluxes
+     (SItflux) that enter the ocean+ice system rather than QNET
+     and EMPMR. Works best in real fresh water.
+   - SIatmFW, SIatmQnet, and SItflux computations had to be moved
+     out of the diagnotics bloc, and stored in global arrays.
+ checkpoint63o (2012/06/29)
+ o vertical mixing schemes:
+   - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
+   - replace computation of density (in Function STATE1, opps_calc.F) by a call
+     to S/R FIND_RHO_SCALAR
+   - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
+     and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
+     affects output (vermix.ggl90) at truncation level.
+ o testreport:
+   - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
+     (nSx,nSy) for the number of threads (from eedata.mth)
+ o model/src:
+   - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
+     related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
  o verification/tutorial_tracer_adjsens/
    - compile with ALLOW_CG2D_NSA
    - run with nonlinFreeSurf=3

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