Re: Float8 precision problem - Mailing list pgsql-general

From Kaloyan Iliev
Subject Re: Float8 precision problem
Date
Msg-id 456EBA77.8010002@faith.digsys.bg
Whole thread Raw
In response to Float8 precision problem  (Hengki Suhartoyo <hengman03@yahoo.com>)
List pgsql-general
Hi,

What about cast to numeric?

select 6.1::numeric-6::numeric ;
 ?column?
----------
      0.1
(1 row)


Regards,
  Kaloyan Iliev

Hengki Suhartoyo wrote:

> Hi all,
>
> I got problem in postgrsql 8.0 when subtraction in float8, this is my
> query :
> select 6.1::float8-6::float8
>
> Result>>> 0.099999999999996
>
> I need the result like natural subtraction is 0.1
>
> Help me please....
>
> ------------------------------------------------------------------------
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