[Libreoffice-bugs] [Bug 137679] Implement a Kahan summation algorithm to reduce the numerical error in the total

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=137679

--- Comment #62 from Mike Kaganski <mikekaganski at hotmail.com> ---
(In reply to dante19031999 from comment #61)

But yet Kahan has improved the resulting accuracy even in this problematic case
*a bit* (yes I realize how insignificant could this be - the deviation becoming
12.475 where it was 12.5; but anyway, introducing Kahan method can be expected
to at least not worsen the result, and in most cases improve).

The correct title of the bug reads: "to *reduce* the numerical error". Yes, it
is expected that the error is not eliminated completely here, but just reduced
where possible, since the method is not a miracle.

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