Re: Question to datatype.sgml - Mailing list pgsql-docs

From Tom Lane
Subject Re: Question to datatype.sgml
Date
Msg-id 4309.1577681519@sss.pgh.pa.us
Whole thread Raw
In response to Re: Question to datatype.sgml  (Tatsuo Ishii <ishii@sraoss.co.jp>)
Responses Re: Question to datatype.sgml  (Tatsuo Ishii <ishii@sraoss.co.jp>)
List pgsql-docs
Tatsuo Ishii <ishii@sraoss.co.jp> 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



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