GeezerVison is showing github.com — [3.11] gh-85417: Clarify behaviour on branch cuts in cmath module (GH-102046) by miss-islington · Pull Request #102276 · python/cpython
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miss-islington
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Feb 26, 2023
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This PR updates the cmath module documentation to reflect the reality that Python is almost always (and as far as I can tell, that "almost" can be omitted) running on a machine whose C double supports signed zeros.
- Removes misleading references to functions being continuous from above / below / the left / the right at branch cuts
- Expands the note on branch cuts at the top of the module documentation to explain the double-sided sign-of-zero-based behaviour
(cherry picked from commit b513c46)
Co-authored-by: Mark Dickinson [email protected]
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…honGH-102046)
This PR updates the cmath module documentation to reflect the reality that Python is almost always (and as far as I can tell, that "almost" can be omitted) running on a machine whose C double supports signed zeros.
* Removes misleading references to functions being continuous from above / below / the left / the right at branch cuts
* Expands the note on branch cuts at the top of the module documentation to explain the double-sided sign-of-zero-based behaviour
(cherry picked from commit b513c46)
Co-authored-by: Mark Dickinson <[email protected]>
This was referenced Feb 26, 2023
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