| From: | Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Romanenko Mikhail <mikhail(at)angg(dot)ru>, pgsql-general(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Re: Trouble with float4 after upgrading from 6.5.3 to 7.0.2 |
| Date: | 2000-08-07 16:04:54 |
| Message-ID: | 398EDE26.D1547C98@alumni.caltech.edu |
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| Lists: | pgsql-general pgsql-hackers |
> Perhaps the old way of considering equality only to float accuracy
> is more useful, even though it opens us up to problems like overflow
> errors in "float4var = 1e100". Comments anyone?
I would not have anticipated this either. I agree that downconverting to
float4 is the right solution.
Possible overflow errors can be checked in advance using the macros or
routines already there. This may be an example of why those could be A
Good Thing in some instances.
- Thomas
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