| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | rudolphfroger(at)dreamsolution(dot)nl, pgsql-docs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Rounding strategy |
| Date: | 2021-04-22 16:54:54 |
| Message-ID: | bc1b85d65c284e3aaa718eba5f43dd4b970ccf33.camel@cybertec.at |
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| Lists: | pgsql-docs |
On Mon, 2021-04-19 at 08:00 +0000, PG Doc comments form wrote:
> The 'round' mathematical function documentation doesn't specify its rounding
> strategy. If this would be documented then users can rely on its rounding
> behavior. For double precision the rounding probably depends on your
> platform. For numeric the function seems to round to nearest with ties going
> away from zero (sometimes referred to as "round half up). 6.5 -> 7.0 and
> -6.5 -> -7.0.
Here is a proposed patch.
Yours,
Laurenz Albe
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Document-tie-breaking-behavior-of-round.patch | text/x-patch | 1.2 KB |
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