Re: Inaccurate results from numeric ln(), log(), exp() and pow() - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Inaccurate results from numeric ln(), log(), exp() and pow()
Date
Msg-id CA+Tgmoa3AgrvAiVT8ONz7UX8fz2PgXS4U8aRNEMrfo1JHOgDFw@mail.gmail.com
Whole thread Raw
In response to Re: Inaccurate results from numeric ln(), log(), exp() and pow()  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
On Thu, Dec 10, 2015 at 2:25 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On 10 December 2015 at 18:59, Robert Haas <robertmhaas@gmail.com> wrote:
>    Why did we make the change?  I'm not sure it's bad, but
>>
>> it seems funny to whack a user-visible behavior around like this
>> without a clearly-explained reason.
>
> Surely the title of the post explains?

Nope.  I'm not asking why we fixed the inaccurate results.  I'm asking
why we now produce fewer output digits than before.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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