From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Date: Fri, 7 Nov 2025 13:40:59 +0000 (+0100) Subject: [3.14] Update NaNs handling description in `c-api/float.rst` (GH-141179) (#141194) X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=28493a5a6262c66f69114f4a71528007ad9338be;p=thirdparty%2FPython%2Fcpython.git [3.14] Update NaNs handling description in `c-api/float.rst` (GH-141179) (#141194) Update NaNs handling description in `c-api/float.rst` (GH-141179) Clarified the behavior of NaNs on IEEE platforms regarding signaling and quiet NaNs. (cherry picked from commit 920286d6b296f9971fc79e14ec22966f8f7a7b90) Co-authored-by: W. H. Wang --- diff --git a/Doc/c-api/float.rst b/Doc/c-api/float.rst index 1085c32a5370..edee498a0b80 100644 --- a/Doc/c-api/float.rst +++ b/Doc/c-api/float.rst @@ -113,8 +113,8 @@ NaNs (if such things exist on the platform) isn't handled correctly, and attempting to unpack a bytes string containing an IEEE INF or NaN will raise an exception. -Note that NaNs type may not be preserved on IEEE platforms (silent NaN become -quiet), for example on x86 systems in 32-bit mode. +Note that NaNs type may not be preserved on IEEE platforms (signaling NaN become +quiet NaN), for example on x86 systems in 32-bit mode. On non-IEEE platforms with more precision, or larger dynamic range, than IEEE 754 supports, not all values can be packed; on non-IEEE platforms with less