Feature suggestion: sum() ought to use a compensated summation algorithm

[Szabolcs]

On May 5, 9:37 am, Szabolcs Horvát <szhor... at gmail.com> wrote:
> Gabriel Genellina wrote:
>
> > Python doesn't require __add__ to be associative, so this should not be used as a general sum replacement.
>
> It does not _require_ this, but using an __add__ that is not commutative
> and associative, or has side effects, would qualify as a serious misuse,
> anyway.

Sorry, I meant associative only, not commutative.