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This reverts commit 68c7fad.
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CC @vstinner |
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Can you please provide a rationale for the revert? So I can put it in the commit message. |
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Description updated. |
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Ok, I merged the PR to revert the flag. Bye bye ISO/IEC 60559. |
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Thanks, and sorry for the noise.
I think that the possible reason for poor adoption was that this flag mess
libc and compiler capabilities.
…On Fri, Mar 27, 2026, 13:31 Victor Stinner ***@***.***> wrote:
*vstinner* left a comment (python/cpython#146501)
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Ok, I merged the PR to revert the flag. Bye bye ISO/IEC 60559.
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Hum, I also expect that it's a lot of work to make sure that libm implementation is fully compliant. And it seems like not all libm maintainers can enough to do this work. |
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This reverts commit 68c7fad.
It looks like on practice the
__STDC_IEC_559__doesn't indicate conformance to the standard. It can't be used to filter out tests or to give some promises in documentation. See discussion in the reverted PR thread:#138811 (comment)
📚 Documentation preview 📚: https://cpython-previews--146501.org.readthedocs.build/