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@samsrabin samsrabin commented Oct 10, 2025

Description of changes

Some Python changes needed to get the generate_gdd20_baseline script working, along with some tests to prevent those exact problems from happening again. We should also add a SystemTest, but I've filed that as a separate issue: #3542.

Note that more changes are coming. This PR is the first of several that will bring this script and related scripts up to date with the versions I used during the crop reparameterization, which have a complete set of fixes.

Note to reviewer: It'd probably be best to walk through the commits one-by-one.

Specific notes

Contributors other than yourself, if any: None

CTSM Issues Fixed (include github issue #): None

Are answers expected to change (and if so in what way)? No

Any User Interface Changes (namelist or namelist defaults changes)? No

Does this create a need to change or add documentation? Did you do so? No

Testing performed, if any:

  • New Python unit tests pass
  • generate_gdd20_baseline output file works

@samsrabin samsrabin added this to the ctsm6.0.0 (code freeze) milestone Oct 10, 2025
@samsrabin samsrabin self-assigned this Oct 10, 2025
@samsrabin samsrabin added bug something is working incorrectly bfb bit-for-bit test: python Pass clm_pymods test suite plus Python sys/unit tests before merging next this should get some attention in the next week or two. Normally each Thursday SE meeting. labels Oct 10, 2025
@samsrabin samsrabin removed the next this should get some attention in the next week or two. Normally each Thursday SE meeting. label Oct 23, 2025
@samsrabin samsrabin changed the base branch from master to b4b-dev December 19, 2025 22:17
@samsrabin samsrabin marked this pull request as ready for review December 19, 2025 22:17
@samsrabin samsrabin added next this should get some attention in the next week or two. Normally each Thursday SE meeting. PR status: awaiting review Work on this PR is paused while waiting for review. labels Dec 22, 2025
@github-project-automation github-project-automation bot moved this to Ready to start (or start again) in CTSM: Upcoming tags Dec 22, 2025
@samsrabin samsrabin moved this from Ready to start (or start again) to In progress - b4b-dev in CTSM: Upcoming tags Dec 22, 2025
@samsrabin samsrabin requested a review from slevis-lmwg January 5, 2026 17:05
@samsrabin samsrabin removed the next this should get some attention in the next week or two. Normally each Thursday SE meeting. label Jan 8, 2026
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bfb bit-for-bit bug something is working incorrectly PR status: awaiting review Work on this PR is paused while waiting for review. test: python Pass clm_pymods test suite plus Python sys/unit tests before merging

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Status: In progress - b4b-dev

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