ARROW-16865: [C++][Python] Implement cumulative product, max, and min compute functions #13412
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Contributor
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Thanks for doing this. Will you add unit tests and update related documents? |
cyb70289
changed the title
Contributor
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You may consider converting it to draft if this PR is not ready for review now. |
vibhatha
reviewed
Jun 22, 2022
lidavidm
reviewed
Aug 9, 2022
| static constexpr char const kTypeName[] = "CumulativeMinOptions"; | ||
| static CumulativeMinOptions Defaults() { return CumulativeMinOptions(); } | ||
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| const bool is_minmax = true; |
Member
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nit: it might be more idiomatic to have this as constexpr static bool, then below use if (OptionsType::is_minmax)
| arr, start=strt, skip_nulls=skip_nulls) | ||
| # Add `start` offset to expected array before comparing | ||
| expected = pc.multiply(expected_arrays[i], strt) | ||
| np.testing.assert_array_almost_equal(result.to_numpy( |
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Are we converting to NumPy here because Arrow doesn't have an approx equals?
Member
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Closing because it has been untouched for a while, in case it's still relevant feel free to reopen and move it forward 👍 |
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Creating new compute functions to perform cumulative product, max, and min on a given array.