[issue12052] round() erroneous for some large arguments

Mark Dickinson added the comment: (Duplicate of issue 7070.) -- ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue12052] round() erroneous for some large arguments

Mark Dickinson added the comment: Please upgrade: this issue is already fixed in current versions of Python. -- nosy: +mark.dickinson resolution: -> out of date status: open -> closed ___ Python tracker

[issue12052] round() erroneous for some large arguments

New submission from Neil : round() returns incorrect results for certain large real-integer arguments. Demonstration via interpreter session: >>> x = 2.0**52+1 # Huge, odd double integer near limits of what IEEE format >>> can fully represent in its mantissa part >>> round(x) - x # Differenc