Update percentile method parameter from interpolation to method

[cliffburdick]

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[cliffburdick]

/build

[greptile-apps]

Greptile Summary

This PR updates the deprecated interpolation keyword argument in np.percentile() calls to the current method keyword argument across all 12 invocations in the test vector generator 00_reductions.py. This resolves a NumPy deprecation warning introduced in NumPy 1.22.0, where interpolation was renamed to method.

• All 12 np.percentile() calls in percentile.run() are consistently updated from interpolation= to method=.
• The method values ('linear', 'lower', 'higher') are identical — no functional change is introduced.
• The change is isolated to the test vector generator and does not affect production code.

Confidence Score: 5/5

• This PR is safe to merge — it is a clean, non-breaking deprecation fix with no logic changes.
• The change is purely mechanical: renaming a deprecated parameter to its successor in 12 identical call sites. Values are unchanged, no new logic is introduced, and the update aligns with the NumPy 1.22+ API. No issues were found during review.
• No files require special attention.

Important Files Changed

Filename	Overview
test/test_vectors/generators/00_reductions.py	Updates all 12 np.percentile() calls in the percentile.run() method from the deprecated interpolation= keyword argument to the current method= keyword argument introduced in NumPy 1.22. The method values ('linear', 'lower', 'higher') are unchanged, so behavior is fully preserved.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[percentile.run] --> B{For each array\nt1e and t1o}
    B --> C["np.percentile(arr, 50, method='linear')"]
    B --> D["np.percentile(arr, 80, method='linear')"]
    B --> E["np.percentile(arr, 50, method='lower')"]
    B --> F["np.percentile(arr, 80, method='lower')"]
    B --> G["np.percentile(arr, 50, method='higher')"]
    B --> H["np.percentile(arr, 80, method='higher')"]
    C --> I[Store result in self.res]
    D --> I
    E --> I
    F --> I
    G --> I
    H --> I
    I --> J[return self.res]

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_{Last reviewed commit: 53306a1}