| From: | "Thomas G(dot) Lockhart" <lockhart(at)alumni(dot)caltech(dot)edu> |
|---|---|
| To: | A James Lewis <james(at)vrtx(dot)net> |
| Cc: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>, The Hermit Hacker <scrappy(at)hub(dot)org>, darcy(at)druid(dot)net, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] Warning!! |
| Date: | 1998-11-04 07:45:41 |
| Message-ID: | 36400625.BCF605FD@alumni.caltech.edu |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> I'm very new to this list, and I have to first say that 6.4beta5 fixes
> every problem I had encountered with 6.3.2 (A small list..)
> Just now I saw and posted this...
> If the pence is 0-4 it rounds down... surely that's a rounding bug
> because it should be looking at the next significant figure?
tgl=> select cash_mul_flt8('$123.77', '1');
cash_mul_flt8
-------------
$123.77
(1 row)
tgl=> select cash_mul_flt8('$1', '123.77');
cash_mul_flt8
-------------
$123.76
(1 row)
That's annoying; it's non-symmetric too. The money type is stored as an
integer, and the float type is an IEEE double; looks like we have an LSB
rounding problem. Not sure what to do about it other than remove the
function, which isn't desirable I'm sure...
- Tom
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