8000 gh-85417: Clarify behaviour on branch cuts in cmath module by mdickinson · Pull Request #102046 · python/cpython · GitHub
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gh-85417: Clarify behaviour on branch cuts in cmath module #102046

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Merged
merged 3 commits into from
Feb 19, 2023
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gh-85417: Clarify behaviour on branch cuts in cmath module #102046

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ed5c0a5
gh-85417: Clarify behaviour on branch cuts in cmath module
mdickinson Feb 19, 2023
8d272e2
Grammar tweak: remove unnecessary comma
mdickinson Feb 19, 2023
621fb2c
Remove another comma for better flow
mdickinson Feb 19, 2023
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Remove another comma for better flow
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@mdickinson
mdickinson authored Feb 19, 2023
commit 621fb2cf8d0d5c2626503a7cea3d060833fa78ba
2 changes: 1 addition & 1 deletion Doc/library/cmath.rst
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Expand Up @@ -21,7 +21,7 @@ the function is then applied to the result of the conversion.
standards, we use the sign of zero to distinguish one side of the branch cut
from the other: for a branch cut along (a portion of) the real axis we look
at the sign of the imaginary part, while for a branch cut along the
imaginary axis, we look at the sign of the real part.
imaginary axis we look at the sign of the real part.

For example, the :func:`cmath.sqrt` function has a branch cut along the
negative real axis. An argument of ``complex(-2.0, -0.0)`` is treated as
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