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In procedure fxhyp, the convoluted computation of tanh(fa/fb) occurred three times. Extracted it into a function. Also, the computation of xmoy and fxm was repeated. So stored the values in arrays instead. In procedure fxhyp, in the computation of fhyp, there were tests xtild(i) == 0. and xtild(i) == pi_d. No use to do these tests at each iteration. We now they are true for i == nmax and i == 2 * nmax, respectively, and we know they are false for other values of "i". Similarly, in the computations of ffdx and xxpr, there were the tests xmoy == 0. and xmoy == pi_d, these could not be true. Moved files from bibio to dyn3d, following LMDZ.
Moved variable nb_files from module histcom_var to module histbeg_totreg_m. Removed unused argument q of writehist. No history file is created in program ce0l so there is no need to call histclo in etat0. In phyredem, access variables rlat and rlon directly from module phyetat0_m instead of having them as arguments. This is clearer for the program gcm. There are bad side effects for the program ce0l: we have to modify the module variables rlat and rlon in procedure etat0, and we need the additional file phyetat0.f to compile ce0l.
Sources inside, compilation outside.
Extracted code from tau2alpha for first call into new procedure init_tau2alpha. dxdys, dxdyu, dxdyv are now local variables if guide computed by init_tau2alpha. This allows us to remove terrible argument type of tau2alpha: we just give to tau2alpha the right dxdy and rlat. In module conf_guide_m, changed default values of tau_min_*, because 0.02 is too small for the default daystep = 240, iperiod = 5. Changed default values of guide_[uv] to false. Moved variable ok_guide from conf_gcm_m to conf_guide_m, ok_guide is no longer an input parameter, it is computed from guide_*. Had then to move test on ok_guide and day_step from conf_gcm_m to conf_guide_m. Added checks on input nudging parameters in procedure conf_guide. Upgraded variable factt to module conf_guide_m in order to check nudging parameters. Bug fix: variable guide_q was not in namelist conf_guide_nml. Removed unused variables aire_min, aire_max of MODULE guide_m. Moved the call to conf_guide from guide to gcm. This was needed to define ok_guide before getting into guide (since ok_guide is no longer in conf_gcm_m). Moved test on grossismx and grossismy from tau2alpha to guide. It is clearer now that only tau_max is used for a regular grid, and we do not have to repeat this test in each call to tau2alpha. In guide, we only call writefield when alpha is not a constant.
In procedure conf_guide, replaced calls to getpar by reading a namelist. Removed file getparam.f, now unused. So getin of IOIPSL is now unused too. Removed files getincom.f, getincom2.f, cmpblank.f, find_sig.f, gensig.f and nocomma.f. Moved variables lat_min_guide and lat_max_guide from module tau2alpha_m to module conf_guide_m. Removed variables nivsig and nivsigs of module disvert_m. Instead, in initdynav and initfluxsto, directly wrote arithmetic sequence for verical axis, pending a better vertical axis. Removed variables nivsig and nivsigs of "(re)?.start.nc". In procedure exner_hyb, replaced p(:, :, 1) by equivalent ps.
Changed all ".f90" suffixes to ".f".
Moved everything out of libf.
Deleted files cvparam3.f90 and nuagecom.f90. Moved variables from module cvparam3 to module cv3_param_m. Moved variables rad_chau1 and rad_chau2 from module nuagecom to module conf_phys_m. Read clesphys2_nml from conf_phys instead of gcm. Removed argument iflag_con from several procedures. Access module variable instead.
No more included file in LMDZE, not even "netcdf.inc". Created a variable containing the list of common source files in GNUmakefile. So we now also see clearly files that are specific to each program. Split module "histcom". Assembled resulting files in directory "Histcom". Removed aliasing in calls to "laplacien".
Imported "writehist.f" from LMDZ. Moved module variable "histaveid" from "com_io_dyn" to "initdynav_m". In "inithist", access directly module variables from "com_io_dyn" instead of going through the arguments. Copying from LMDZ, write "u" and scalar variables to separate files. Create a new variable for the new file in "com_io_dyn". Copying from LMDZ, change the vertical axes of the three files. Removed some useless initializations in "dissip". In "bilan_dyn", removed useless variable "time". Avoiding the approximate test on "dt_cum" being a multiple of "dt_app", just compute "ncum" from known usage of "bilan_dyn" and compute "dt_cum" from "ncum". Change "periodav" from real to integer in "conf_gcm_m". Since "day_step" is required to be a multiple of "iperiod", so is "ncum".
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