Bug fix for the loop extents that cause NaNs #739
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- Closes issue mom-ocean#734 and hopefully issue mom-ocean#262 - MEKE%Ku array is allocated on data domain and has a mpp_domain_update following the loop so it needs to be calculated only on compute domain - The problem with larger extents of the loops is Lmixscale array is initialized/calculate on compute domain and is NaN beyond compute domain extents, causing NaN's to lurk into MEKE%Ku and the model.
marshallward
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Nov 4, 2024
This patch replaces the `CS%[uv]_file < 0` checks with `CS%[uv]_file == -1`. FMS1 returns negative file handles for missing or otherwise error-prone files, but the FMS2 IO framework relies on `newunit=` to autogenerate handle IDs, which are always negative and cannot be used with checks for negative values. The check is replaced with equality with -1. `newunit` is guaranteed to never return -1 for a valid file, so this is a valid check for a missing file. It also lets us continue to use -1 as the initial (unopened) value. Behavior is compatible with `mpp_open()` output, so this can also be used with the FMS1 API. A better solution would be to introduce some validation function which is defined by each API, but there is not yet any need for such sophistication.
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following the loop so it needs to be calculated only on compute domain
initialized/calculate on compute domain and is NaN beyond compute domain
extents, causing NaN's to lurk into MEKE%Ku and the model.
-No answer changes