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Fix oscillations in Heun2 IMEX dense output #5734

Merged
merged 6 commits into from
Feb 9, 2024
Merged

Fix oscillations in Heun2 IMEX dense output #5734

merged 6 commits into from
Feb 9, 2024

Commits on Feb 8, 2024

  1. Make TimeStepperTestUtils convergence_rate public 

    No behavior change.
    @wthrowe
    wthrowe committed Feb 8, 2024
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  2. Add a stride to convergence_rate, adjust interface 

    Some uses already have a pair, so let them pass it instead of forcing
unpacking.
    @wthrowe
    wthrowe committed Feb 8, 2024
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  3. Move LTS-related test helpers to separate file 

    Move some things out of the giant TimeStepperTestUtils.
    @wthrowe
    wthrowe committed Feb 8, 2024
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  4. Move IMEX-related test helpers to separate file 

    More shrinking the giant TimeStepperTestUtils.
    @wthrowe
    wthrowe committed Feb 8, 2024
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  5. Remove duplicate debugging code

    @wthrowe
    wthrowe committed Feb 8, 2024
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  6. Change Heun2 dense output to linear interpolation 

    The quadratic output was highly oscillatory in IMEX evolutions.
    @wthrowe
    wthrowe committed Feb 8, 2024
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