| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Michael Glaesemann <grzm(at)myrealbox(dot)com> |
| Cc: | aspire420(at)hotpop(dot)com, pgsql-admin(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] IEEE 754 |
| Date: | 2004-01-05 00:51:13 |
| Message-ID: | 200401050051.i050pDF22348@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin pgsql-hackers |
Michael Glaesemann wrote:
>
> On Dec 29, 2003, at 11:28 AM, Sai Hertz And Control Systems wrote:
> > I would like to share my concerns about the IEEE 754 specification and
> > floating point handling by PostgreSQL .
>
> What specifically are your concerns regarding floating point handling
> and PostgreSQL? I'm not in a position to address your concerns, but I
> would like to know what they are.
Floating point math itself is not precise, but rather an approximation,
usually of 8 or 14 digits. You can't approximate money. This isn't a
PostgreSQL issue but rather a general programming issue.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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