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From: Tom Lane <[email protected]>
To: Tatsuo Ishii <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: Question to datatype.sgml
Date: Sun, 29 Dec 2019 23:51:59 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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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

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