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generalize interpolaters to not need or use extra values in a directi… #3415

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merged 11 commits into from
Jul 16, 2023

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asalmgren
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…on for which the refinement ratio is 1

Summary

The previous version of the interpolation routines in AmrCore would grow the "CoarseBox" in all directions even if one of the directions had refinement ratio 1. This PR changes that behavior so the CoarseBox is not grown, and slopes are not computed, in any direction for which the refinement ratio is 1.

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Checklist

The proposed changes:

  • fix a bug or incorrect behavior in AMReX
  • [X ] add new capabilities to AMReX
  • changes answers in the test suite to more than roundoff level
  • are likely to significantly affect the results of downstream AMReX users
  • include documentation in the code and/or rst files, if appropriate

@WeiqunZhang
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We may need to update all the interpolation kernels including do_linear_limiting=true and RZ.

@WeiqunZhang WeiqunZhang merged commit 01b750d into AMReX-Codes:development Jul 16, 2023
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@asalmgren asalmgren deleted the fix_interp_for_ratio1 branch July 16, 2023 16:50
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2 participants