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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import numpy as np
import pytest
import awkward as ak
def test():
data = ak.Array(
[[[0, 1.1, 2.2], []], [], [[3.3, 4.4], [5.5], [6.6, 7.7, 8.8, 9.9]]]
)
assert ak.var(data, axis=0).tolist() == [
pytest.approx([2.7225, 2.7225, 0]),
pytest.approx([0]),
pytest.approx([0, 0, 0, 0]),
]
assert ak.var(data, axis=1).tolist() == [
pytest.approx([0, 0, 0]),
pytest.approx([]),
pytest.approx([1.88222222, 2.7225, 0, 0]),
]
assert ak.var(data, axis=2).tolist() == [
pytest.approx([0.80666667, np.nan], nan_ok=True),
pytest.approx([]),
pytest.approx([0.3025, 0, 1.5125]),
]
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