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GeezerVison is showing github.com — gh-75204: Clarify int division programming faq by terryjreedy · Pull Request #129313 · python/cpython

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@terryjreedy

@terryjreedy terryjreedy commented Jan 26, 2025 •
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Explain the alternative choices for int division (i // j) and modulo (i % j) sign determination.
Mention that some languages choose truncation and 'i' determination. Justify Python's choice of flooring and 'j' determination.

  • Issue: Clarify int division programming faq #75204

📚 Documentation preview 📚: https://cpython-previews--129313.org.readthedocs.build/

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@terryjreedy
pythongh-75204: Clarify int division programming faq
d84a5ae 
Explain the alternative choices for int division (//)
and modulo (i % j) sign determination.
Mention that some languages choose truncation and 'i' determination.
Justify Python's choice of flooring and 'j' determination.
@terryjreedy terryjreedy added docs Documentation in the Doc dir skip news needs backport to 3.12 only security fixes needs backport to 3.13 only security fixes labels Jan 26, 2025
@terryjreedy terryjreedy self-assigned this Jan 26, 2025
@bedevere-app bedevere-app Bot added the awaiting core review label Jan 26, 2025
@bedevere-app bedevere-app Bot mentioned this pull request Jan 26, 2025
Clarify int division programming faq #75204
Open
@terryjreedy terryjreedy mentioned this pull request Jan 26, 2025
behaviour of the modulo operator #129297
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@terryjreedy
Double backslash
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@terryjreedy
terryjreedy requested review from AA-Turner and AlexWaygood January 26, 2025 20:40
@encukou

encukou commented Jan 27, 2025

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In the Reference section on // and %, there are a few footnotes with information of a similar nature. Did you consider linking from there to the FAQ entry?
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@hugovk hugovk removed the needs backport to 3.12 only security fixes label Apr 10, 2025
@serhiy-storchaka serhiy-storchaka added the needs backport to 3.14 bugs and security fixes label May 8, 2025
@github-actions

github-actions Bot commented Apr 21, 2026

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This PR is stale because it has been open for 30 days with no activity.
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@github-actions github-actions Bot added the stale Stale PR or inactive for long period of time. label Apr 21, 2026
@AlexWaygood
AlexWaygood removed their request for review April 21, 2026 11:45
@github-actions github-actions Bot removed the stale Stale PR or inactive for long period of time. label May 14, 2026
@serhiy-storchaka serhiy-storchaka added the needs backport to 3.15 bugs and security fixes label May 30, 2026
@serhiy-storchaka
serhiy-storchaka requested a review from tim-one May 30, 2026 15:27
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github-actions Bot commented Sep 2, 2026

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This PR is stale because it has been open for 90 days with no activity.
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@github-actions github-actions Bot added the stale Stale PR or inactive for long period of time. label Sep 2, 2026
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@AA-Turner AA-Turner Awaiting requested review from AA-Turner
@tim-one tim-one Awaiting requested review from tim-one

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@terryjreedy terryjreedy

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awaiting core review docs Documentation in the Doc dir needs backport to 3.13 only security fixes needs backport to 3.14 bugs and security fixes needs backport to 3.15 bugs and security fixes skip news stale Stale PR or inactive for long period of time.

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4 participants

@terryjreedy @encukou @hugovk @serhiy-storchaka
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