| From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Pedro M(dot) Ferreira" <pfrazao(at)ualg(dot)pt>, Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: float output precision questions |
| Date: | 2002-10-31 23:33:28 |
| Message-ID: | 20021031233328.GA16088@wolff.to |
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| Lists: | pgsql-hackers |
On Thu, Oct 31, 2002 at 12:58:21 -0500,
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> But I think an EXTRA_DIGITS setting might be interesting. In
> particular, suppose we allowed EXTRA_DIGITS to be negative? Setting
> it to -1 or -2 would go a long way towards eliminating our problems
> with platform variations in the geometry regression test.
My attempt to avoid this problem with the earthdistance regression used
a cast to numeric to limit the number of digits to the right of the
decimal point.
If the normal number of digits displayed is different between two systems,
than displaying a fixed number less digits is still going to result in
differences.
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