some BackwardEuler fixes#1977
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zingale merged 1 commit intoAMReX-Astro:developmentfrom Apr 11, 2026
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we were not always rolling back the solution on a single step failure. Now we do this for all errors. we were possibly using a fine-step solution in the error estimator even if we were not successful in the fine step advance.
zhichen3
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Apr 11, 2026
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we were not always rolling back the solution on a single step failure. Now we do this for all errors.
we were possibly using a fine-step solution in the error estimator even if we were not successful in the fine step advance.
Note: I iterated with codex on this while debugging a burn failure.