| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: floating point representation |
| Date: | 2001-02-19 06:22:32 |
| Message-ID: | 21265.982563752@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> writes:
> Tom Lane wrote:
>> The defaults
>> would be "%.7g" and "%.17g" (or thereabouts, not sure what number of
>> digits we are currently using).
> Wouldn't changing current '%.6g','%.15g'(on many platforms)
> cause the regression test failure ?
I didn't check my numbers. If the current behavior is '%.6g','%.15g'
then we should stay with that as the default.
Hmm, on looking at the code, this might mean we need some configure
pushups to extract FLT_DIG and DBL_DIG and put those into the default
strings. Do we support any platforms where these are not 6 & 15?
regards, tom lane
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