Re: Question to datatype.sgml

Tom Lane <[email protected]> Sun, 29 Dec 2019 23:51:59 -0500
Newsgroups gmane.comp.db.postgresql.devel.documentation
Message-ID <[email protected]>
Tatsuo Ishii <[email protected]> writes:
>>> Can you please someone elaborate what's the meaning of "even" in
>>> datatype.sgml?

>>>> representable values, in order to avoid a widespread bug where input
>>>> routines do not properly respect the round-to-even rule.) This value will

>> It does actually mean "even and odd".  This kind of rounding is also
>> called "Banker's Rounding".
>> https://en.wikipedia.org/wiki/Rounding#Round_half_to_even

> Oh, Thanks! The link is very helpful.

I think actually the standard terminology is "round-to-nearest-even".

			regards, tom lane