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Refresh diffusion dirac testrefs for oops::Diffusion iteration-bound fix#1248

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feature/diffusion-mesh-area
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Refresh diffusion dirac testrefs for oops::Diffusion iteration-bound fix#1248
travissluka wants to merge 3 commits into
developfrom
feature/diffusion-mesh-area

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@travissluka travissluka commented Jun 16, 2026

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Description

Testref-only. soca supplies its own area field, so the oops#3319 area fix does not change its operator; only the geometry-aware explicit-iteration bound in oops#3319 shifts the horizontal iteration count (496→462 at high res, 38→26 at low res), which slightly changes the diffused dirac fields. Reference values refreshed; no code change.

Issue(s) addressed

  • JCSDA-internal/oops#3318

Dependencies

This PR depends on:

build-group=https://github.com/JCSDA-internal/oops/pull/3319
build-group=https://github.com/JCSDA-internal/saber/pull/1258
build-group=https://github.com/JCSDA-internal/ufo/pull/4201
build-group=https://github.com/JCSDA-internal/mpas-jedi/pull/1212

Impact

Updated references for test_soca_dirac_diffusion and test_soca_dirac_diffusion_lowres. soca behavior is unchanged.

Manual Testing Instructions (optional)

n/a

Checklist

  • I have performed a self-review of my own code
  • I have made corresponding changes to the documentation
  • I have run the unit tests before creating the PR

Reference values shift from the median-dual control-volume area and geometry-aware iteration bound in oops#3319 (oops#3318). Testref-only; behavior unchanged.
@travissluka travissluka added the waiting for another PR waiting on another pull request to be merged first label Jun 16, 2026
@travissluka travissluka self-assigned this Jun 16, 2026
@travissluka travissluka added the waiting for another PR waiting on another pull request to be merged first label Jun 16, 2026
3dvar_lowres uses the diffusion saber block for B; the geometry-aware iteration bound in oops#3319 shifts Jb past the 4e-4 tolerance. Testref-only.
@travissluka travissluka marked this pull request as ready for review June 16, 2026 22:08
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