CoCalc -- test_rolling_fixed.py

GitHub Repository: pola-rs/polars
Path: blob/main/py-polars/tests/unit/operations/rolling/test_rolling_fixed.py
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import polars as pl
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def test_rolling_var_stability_12905() -> None:
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    s1 = pl.Series("a", [36743.6 for _ in range(10)])
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    assert s1.rolling_var(window_size=12, min_samples=2).sum() == 0.0
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    assert s1.rolling_std(window_size=12, min_samples=2).sum() == 0.0
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