| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Richard Wang <ruc_wang(at)hotmail(dot)com>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] bug in numeric_power() function |
| Date: | 2008-05-07 23:19:02 |
| Message-ID: | 200805072319.m47NJ2226930@momjian.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
Alvaro Herrera wrote:
> Bruce Momjian wrote:
> > Tom Lane wrote:
> > > Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > > > I have developed the attached patch which fixes 0 ^ 123.3.
> > >
> > > Did you actually read the wikipedia entry you cited?
>
> But that's about 0^0, not about 0^123.3. See this other subsection:
>
> http://en.wikipedia.org/wiki/Exponentiation#Powers_of_zero
>
> 0^123.3 is 0, not 1.
Ah, got it, and I updated the patch to remove the commment about
"discrete".
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
| Attachment | Content-Type | Size |
|---|---|---|
| /pgpatches/power | text/x-diff | 1.5 KB |
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