René's URL Explorer Experiment


Title: gh-138580: add sys.float_info.iec_60559 boolean flag by skirpichev · Pull Request #138811 · python/cpython · GitHub

Open Graph Title: gh-138580: add sys.float_info.iec_60559 boolean flag by skirpichev · Pull Request #138811 · python/cpython

X Title: gh-138580: add sys.float_info.iec_60559 boolean flag by skirpichev · Pull Request #138811 · python/cpython

Description: This value indicating support the IEC 60559 floating-point standard (specified by the Annex F of C99, for C language). If enabled, the float type characteristics matches the IEC 60559 double format and exceptional cases for the math's functions follow to the section F.10 of the C99 standard. Issue: gh-138580 📚 Documentation preview 📚: https://cpython-previews--138811.org.readthedocs.build/ https://cpython-previews--138811.org.readthedocs.build/en/138811/library/sys.html#sys.float_info https://cpython-previews--138811.org.readthedocs.build/en/138811/library/math.html#math.nan

Open Graph Description: This value indicating support the IEC 60559 floating-point standard (specified by the Annex F of C99, for C language). If enabled, the float type characteristics matches the IEC 60559 double forma...

X Description: This value indicating support the IEC 60559 floating-point standard (specified by the Annex F of C99, for C language). If enabled, the float type characteristics matches the IEC 60559 double forma...

Opengraph URL: https://github.com/python/cpython/pull/138811

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/files(.:format)
route-controllerpull_requests
route-actionfiles
fetch-noncev2:d21e007d-1f27-bcd7-ab7a-51ab275d099b
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idAE12:2BA57F:24B5C5:30B1DC:6A53DDD1
html-safe-nonce11f2de2a202e4f14081a3fefe5eb071e3da237886eaf08ae361e9665b900a7d2
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBRTEyOjJCQTU3RjoyNEI1QzU6MzBCMURDOjZBNTNEREQxIiwidmlzaXRvcl9pZCI6IjU0NzE2NTYzNzgzMTI2Nzg4NjUiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac4d10c1905a746ce0adc14586a7cccdc32bdb8e8269bd39a9e11f7c80f21da008
hovercard-subject-tagpull_request:2821205692
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///pull_requests/show/files
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/138811/files
twitter:imagehttps://avatars.githubusercontent.com/u/2155800?s=400&v=4
twitter:cardsummary_large_image
og:imagehttps://avatars.githubusercontent.com/u/2155800?s=400&v=4
og:image:altThis value indicating support the IEC 60559 floating-point standard (specified by the Annex F of C99, for C language). If enabled, the float type characteristics matches the IEC 60559 double forma...
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
Noneb9a586c06a05a7a86fc7e3f4dbd03e42f6869085879aa184aa6369456dbd50fb
turbo-cache-controlno-preview
diff-viewunified
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive full-width
disable-turbotrue
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release07a982c1d40157c619b364352b704c3ce66bb332
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/138811/files#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138811%2Ffiles
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138811%2Ffiles
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fpull_requests%2Fshow%2Ffiles&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/138811/files
Reloadhttps://github.com/python/cpython/pull/138811/files
Reloadhttps://github.com/python/cpython/pull/138811/files
Please reload this pagehttps://github.com/python/cpython/pull/138811/files
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/138811/files
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Sign up for GitHub https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
vstinnerhttps://github.com/vstinner
python:mainhttps://github.com/python/cpython/tree/main
skirpichev:annex-f-flag/138580https://github.com/skirpichev/cpython/tree/annex-f-flag/138580
Conversation 29 https://github.com/python/cpython/pull/138811
Commits 15 https://github.com/python/cpython/pull/138811/commits
Checks 49 https://github.com/python/cpython/pull/138811/checks
Files changed https://github.com/python/cpython/pull/138811/files
Please reload this pagehttps://github.com/python/cpython/pull/138811/files
gh-138580: add sys.float_info.iec_60559 boolean flag https://github.com/python/cpython/pull/138811/files#top
Show all changes 15 commits https://github.com/python/cpython/pull/138811/files
cffad22 gh-138580: add sys.float_info.stdc_iec_559 boolean flag skirpichev Sep 12, 2025 https://github.com/python/cpython/pull/138811/commits/cffad22e809ace980f164ad410c20734872f9bce
d81b486 +1 skirpichev Sep 12, 2025 https://github.com/python/cpython/pull/138811/commits/d81b486e50ec0e35274109bc13caee868ca421e8
f9fa06b + update math docs skirpichev Sep 12, 2025 https://github.com/python/cpython/pull/138811/commits/f9fa06b8ce6c98f5294c0c2d7fa929401bbff907
3e33100 Merge branch 'master' into annex-f-flag/138580 skirpichev Sep 12, 2025 https://github.com/python/cpython/pull/138811/commits/3e33100212963e2a4926939873ebcb7dc89c6e53
942ac08 + adjust test skirpichev Sep 12, 2025 https://github.com/python/cpython/pull/138811/commits/942ac086772880bfb11d84b676c28dc3c50cbb27
7901dbf Merge branch 'master' into annex-f-flag/138580 skirpichev Sep 13, 2025 https://github.com/python/cpython/pull/138811/commits/7901dbfc3f7121fcc69f328a45778e5dd349a996
0a97ff7 address review: enabled -> true skirpichev Sep 13, 2025 https://github.com/python/cpython/pull/138811/commits/0a97ff70231ed1d67079c3be36a310885acf17a1
4e6ba85 Update Objects/floatobject.c skirpichev Sep 14, 2025 https://github.com/python/cpython/pull/138811/commits/4e6ba85f0bb34ae9b322a1800294354123e43f36
528d335 Merge branch 'master' into annex-f-flag/138580 skirpichev Oct 29, 2025 https://github.com/python/cpython/pull/138811/commits/528d3357597c5a33f22feb631abedb82f38fb5de
6a94eb6 + clarify that this flag is not C-specific skirpichev Oct 29, 2025 https://github.com/python/cpython/pull/138811/commits/6a94eb6a23f1849d685c3d38e7f5ff27b6b59248
424587a Update Doc/library/math.rst skirpichev Oct 29, 2025 https://github.com/python/cpython/pull/138811/commits/424587a4c2668859e1a16e4d800f72f0b1598791
5000849 Merge branch 'master' into annex-f-flag/138580 skirpichev Nov 20, 2025 https://github.com/python/cpython/pull/138811/commits/5000849b648fa88e78d64b9bfa30a1712f1133af
a8e4a4e stdc_iec_559 -> iec_60559 skirpichev Nov 20, 2025 https://github.com/python/cpython/pull/138811/commits/a8e4a4e7b01ad8afe51c1987ff78c5c82bdebe59
9ec3948 Update What's New in Python 3.15 vstinner Mar 24, 2026 https://github.com/python/cpython/pull/138811/commits/9ec394855389492e4c99aee4432dc5836d2236c1
1f87666 Merge branch 'main' into annex-f-flag/138580 vstinner Mar 24, 2026 https://github.com/python/cpython/pull/138811/commits/1f87666c9846daf4967c51c5be668002b40032ba
Clear filters https://github.com/python/cpython/pull/138811/files
Please reload this pagehttps://github.com/python/cpython/pull/138811/files
Please reload this pagehttps://github.com/python/cpython/pull/138811/files
math.rst https://github.com/python/cpython/pull/138811/files#diff-cda4d855eb1739006a497bdead4e353aef302d1837ee7271ec5e4ba45f675221
sys.rst https://github.com/python/cpython/pull/138811/files#diff-26fe9050845b6be0f74760ffe9095874cfe2dfec55c22b18e7dba58f3978a418
3.15.rst https://github.com/python/cpython/pull/138811/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
test_sys.py https://github.com/python/cpython/pull/138811/files#diff-f3ae0e3fbb12fe0717e2d9d8801f5d9f3091c34254d1302b228422d7d07fdc5d
2025-09-12-07-30-13.gh-issue-138580.Qr_fSH.rst https://github.com/python/cpython/pull/138811/files#diff-35375438755aee91a969aa10e3d7d10f5c425e7323942c93d1c4227e16077068
floatobject.c https://github.com/python/cpython/pull/138811/files#diff-3651445c9f72daa1fdf6577b10902d4ceee89aa99295e01fcab07b58767a935f
Doc/library/math.rsthttps://github.com/python/cpython/pull/138811/files#diff-cda4d855eb1739006a497bdead4e353aef302d1837ee7271ec5e4ba45f675221
View file https://github.com/skirpichev/cpython/blob/1f87666c9846daf4967c51c5be668002b40032ba/Doc/library/math.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/138811/{{ revealButtonHref }}
https://github.com/python/cpython/pull/138811/files#diff-cda4d855eb1739006a497bdead4e353aef302d1837ee7271ec5e4ba45f675221
https://github.com/python/cpython/pull/138811/files#diff-cda4d855eb1739006a497bdead4e353aef302d1837ee7271ec5e4ba45f675221
Doc/library/sys.rsthttps://github.com/python/cpython/pull/138811/files#diff-26fe9050845b6be0f74760ffe9095874cfe2dfec55c22b18e7dba58f3978a418
View file https://github.com/skirpichev/cpython/blob/1f87666c9846daf4967c51c5be668002b40032ba/Doc/library/sys.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/138811/{{ revealButtonHref }}
https://github.com/python/cpython/pull/138811/files#diff-26fe9050845b6be0f74760ffe9095874cfe2dfec55c22b18e7dba58f3978a418
https://github.com/python/cpython/pull/138811/files#diff-26fe9050845b6be0f74760ffe9095874cfe2dfec55c22b18e7dba58f3978a418
https://github.com/python/cpython/pull/138811/files#diff-26fe9050845b6be0f74760ffe9095874cfe2dfec55c22b18e7dba58f3978a418
https://github.com/python/cpython/pull/138811/files#diff-26fe9050845b6be0f74760ffe9095874cfe2dfec55c22b18e7dba58f3978a418
https://github.com/python/cpython/blob/main/.github/CODEOWNERS#L116
Doc/whatsnew/3.15.rsthttps://github.com/python/cpython/pull/138811/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
View file https://github.com/skirpichev/cpython/blob/1f87666c9846daf4967c51c5be668002b40032ba/Doc/whatsnew/3.15.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/138811/{{ revealButtonHref }}
https://github.com/python/cpython/pull/138811/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
https://github.com/python/cpython/pull/138811/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
Lib/test/test_sys.pyhttps://github.com/python/cpython/pull/138811/files#diff-f3ae0e3fbb12fe0717e2d9d8801f5d9f3091c34254d1302b228422d7d07fdc5d
View file https://github.com/skirpichev/cpython/blob/1f87666c9846daf4967c51c5be668002b40032ba/Lib/test/test_sys.py
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/138811/{{ revealButtonHref }}
https://github.com/python/cpython/pull/138811/files#diff-f3ae0e3fbb12fe0717e2d9d8801f5d9f3091c34254d1302b228422d7d07fdc5d
https://github.com/python/cpython/pull/138811/files#diff-f3ae0e3fbb12fe0717e2d9d8801f5d9f3091c34254d1302b228422d7d07fdc5d
Misc/NEWS.d/next/Library/2025-09-12-07-30-13.gh-issue-138580.Qr_fSH.rsthttps://github.com/python/cpython/pull/138811/files#diff-35375438755aee91a969aa10e3d7d10f5c425e7323942c93d1c4227e16077068
View file https://github.com/skirpichev/cpython/blob/1f87666c9846daf4967c51c5be668002b40032ba/Misc/NEWS.d/next/Library/2025-09-12-07-30-13.gh-issue-138580.Qr_fSH.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/138811/{{ revealButtonHref }}
Objects/floatobject.chttps://github.com/python/cpython/pull/138811/files#diff-3651445c9f72daa1fdf6577b10902d4ceee89aa99295e01fcab07b58767a935f
View file https://github.com/skirpichev/cpython/blob/1f87666c9846daf4967c51c5be668002b40032ba/Objects/floatobject.c
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/138811/{{ revealButtonHref }}
https://github.com/python/cpython/pull/138811/files#diff-3651445c9f72daa1fdf6577b10902d4ceee89aa99295e01fcab07b58767a935f
https://github.com/python/cpython/pull/138811/files#diff-3651445c9f72daa1fdf6577b10902d4ceee89aa99295e01fcab07b58767a935f
https://github.com/python/cpython/pull/138811/files#diff-3651445c9f72daa1fdf6577b10902d4ceee89aa99295e01fcab07b58767a935f
https://github.com/python/cpython/pull/138811/files#diff-3651445c9f72daa1fdf6577b10902d4ceee89aa99295e01fcab07b58767a935f
Please reload this pagehttps://github.com/python/cpython/pull/138811/files
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.