From: | Pedro Miguel Frazao Fernandes Ferreira <pfrazao(at)ualg(dot)pt> |
---|---|
To: | Bruno Wolff III <bruno(at)wolff(dot)to> |
Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: float output precision questions |
Date: | 2002-10-30 10:35:09 |
Message-ID: | 3DBFB5DD.10008@ualg.pt |
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Lists: | pgsql-hackers |
Bruno Wolff III wrote:
> On Tue, Oct 29, 2002 at 23:19:05 +0100,
> Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:
>
>>There isn't a way right now, but it's planned to be able to dump
>>floating-point numbers in some binary form (like printf("%A")) to be able
>>to restore them exactly. Not sure how that would satisfy the needs of
>>client interfaces, though.
>
>
> Why not print it as a floating binary number instead of a floating decimal
> number? I would think that would give you better portability than a system
> specific binary representation.
Having a way to get the binary storage representation for float numbers
would be good and would suffice within the same float number standard.
Thanks,
Pedro M. Ferreira
--
----------------------------------------------------------------------
Pedro Miguel Frazao Fernandes Ferreira
Universidade do Algarve
Faculdade de Ciencias e Tecnologia
Campus de Gambelas
8000-117 Faro
Portugal
Tel./Fax: (+351) 289 800950 / 289 819403
http://w3.ualg.pt/~pfrazao
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