Feature/fdb 327 fdb compare#165

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stefaniereuter wants to merge 37 commits intodevelopfrom

feature/FDB-327-fdb-compare

Commits on Jan 28, 2026

added FDB compare to CmakeList tool is WIP and currently only loads two FDB no comparison or testing done yet

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Create FDB from path in tool.cc directly

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comparison of mars keys

stefaniereuter
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can compare FDB but not optimized and exceptiions are missing

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Bitexact Memcmp, bitexact eccodes, data compare numerical

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move from map to vector in md5compare, add usage exampl and command line options

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changed the way the mars message keys are compared,added option to ignore certain key-value pairs

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Adding option to ignore and select grib keys

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added gribcompare eccodes_detail to allow direct use of detailed check

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removed annoying debug output

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Added eccodes hack for buffer size adaption

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remove eccodes 'hack' and use grib_string_length instead

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deleted buffer before return to avoid memleak

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Bugfixes after rebase

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CLI improvments

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Adding comparison tests

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Feature, single fdb divergent experiment

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Add more tests, bugfix grib comparison header only

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Refactor Mars key compare

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Mars refactor cleanup, Test fix

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refactoring start

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formatting

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Misc naminging and small structure fixes
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Rename and delete unused files
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Use metkit/codes/api instead of directly using eccodes\.h
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Clean up compare/grib structure
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Rework handling difference in mars requests
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Small restructures, remove comments
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Remove IComporator und move directories
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Restructure tests
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Fix fdb-compare tests and add FP data checks
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Add licensce to .h and .cc files
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Commits on Jan 29, 2026

Add more documentation; remove grib/Message
pgeier
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Commits on Feb 3, 2026

Address PR comments
pgeier
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Commits on Feb 4, 2026