| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>, Roman Kononov <kononov195-pgsql(at)yahoo(dot)com> |
| Subject: | Re: [BUGS] BUG #2846: inconsistent and confusing |
| Date: | 2006-12-27 21:43:54 |
| Message-ID: | 1167255834.12075.50.camel@localhost.localdomain |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
> I get 'inf'. I am on BSD and just tested it on Fedora Core 2 and got
> 'inf' too.
Ubuntu Edgy 64bit on Athlon 64X2 returns inf.
Joshua D. Drake
>
> > A slightly less radical proposal is to reject only the case where
> > isinf(result) and neither input isinf(); and perhaps likewise with
> > respect to NaNs.
>
> Uh, that's what the patch does for 'Inf':
>
> result = arg1 + arg2;
> CheckFloat4Val(result, isinf(arg1) || isinf(arg2));
>
> I didn't touch 'Nan' because that is passed around as a value just fine
> --- it isn't created or tested as part of an overflow.
>
--
=== The PostgreSQL Company: Command Prompt, Inc. ===
Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240
Providing the most comprehensive PostgreSQL solutions since 1997
http://www.commandprompt.com/
Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Joshua D. Drake | 2006-12-27 21:47:41 | Re: pg_hba.conf hostname todo |
| Previous Message | Roman Kononov | 2006-12-27 21:43:49 | Re: [BUGS] BUG #2846: inconsistent and confusing handling of underflows, |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Bruce Momjian | 2006-12-27 22:04:34 | Re: [BUGS] BUG #2846: inconsistent and confusing handling of |
| Previous Message | Roman Kononov | 2006-12-27 21:43:49 | Re: [BUGS] BUG #2846: inconsistent and confusing handling of underflows, |