| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | pgsql-patches(at)postgresql(dot)org |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <bruce(at)momjian(dot)us>, Richard Wang <ruc_wang(at)hotmail(dot)com> |
| Subject: | Re: [HACKERS] bug in numeric_power() function |
| Date: | 2008-05-07 22:22:03 |
| Message-ID: | 200805080022.04016.peter_e@gmx.net |
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| Lists: | pgsql-hackers pgsql-patches |
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?
Considering that 0::float8 ^ 0::float8 yields 1, making the numeric operator
do the same might not be completely unreasonable, but I find the rationale
that it is better for discrete mathematics fairly ludicrous on multiple
levels.
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