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test_rolling_var_numerical_issues on linux py_3.8_32 failing on MacPython.pandas-wheels #37398

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simonjayhawkins opened this issue Oct 25, 2020 · 3 comments
Open

test_rolling_var_numerical_issues on linux py_3.8_32 failing on MacPython.pandas-wheels #37398

simonjayhawkins opened this issue Oct 25, 2020 · 3 comments
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32bit 32-bit systems Build Library building on various platforms Window rolling, ewma, expanding

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@simonjayhawkins
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https://dev.azure.com/pandas-dev/pandas-wheels/_build/results?buildId=45987&view=logs&j=bb1c2637-64c6-57bd-9ea6-93823b2df951&t=9c62e7ff-391e-517d-ede1-af63bc6a25da

test_rolling_var_numerical_issues added in #37055 cc @phofl
@simonjayhawkins simonjayhawkins added Build Library building on various platforms 32bit 32-bit systems labels Oct 25, 2020
@simonjayhawkins simonjayhawkins added this to the 1.2 milestone Oct 25, 2020
@simonjayhawkins simonjayhawkins mentioned this issue Oct 25, 2020
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@phofl
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phofl commented Oct 25, 2020 •
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Edit: have not scrolled far enough. Sorry.

@phofl
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phofl commented Oct 25, 2020

Some context: The erroneous result equals the result we got, before Kahan summation was implemented for var and std. E.g. this is not a new bug.

Was this run on a 32bit linux or only a 32bit Python?

@simonjayhawkins simonjayhawkins mentioned this issue Nov 27, 2020
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removing the 1.2 milestone

@simonjayhawkins simonjayhawkins removed this from the 1.2 milestone Nov 27, 2020
@mroeschke mroeschke added the Window rolling, ewma, expanding label Aug 13, 2021
@mroeschke mroeschke mentioned this issue Nov 1, 2023
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