[MITgcm-support] adjoint of the MITgcm using OpenAD with sea ice, exf, cal packages

Suneet Dwivedi suneetdwivedi at gmail.com
Sat Dec 16 06:14:23 EST 2017


Dear All,

May I request you to kindly let me know if it is possible to get the
adjoint of the MITgcm forward model with sea ice, exf and cal packages
enabled. I am able to get the adjoint of the model using the packages
mentioned in the code_oad directory of the OpenAD verification example.

But as soon as I include exf (/sea ice), I get the following error message:

-----------------------------------------------------------------------------------------------------------------------------
ERROR: SymtabError at line 0:enterType: name clash because the declaration
for this symbol conflicts with an earlier declaration using the same name
    for entry[SymtabEntry(68247632) "exf_inscal_climsst" ->
entryKind=variable, typetab_id=8, origin=common:EXF_CLIM_R]
make[1]: *** [ad_input_code_sf.pre.f90] Error 1
---------------------------------------------------------------------------------------------------------------------------------

Kindly help me to generate the adjoint code with OpenAD using the sea ice,
exf, cal, ecco packages.

With best regards,

Suneet
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