On Thu, Sep 19, 2002 at 06:00:37PM +0200, Zeugswetter Andreas SB SD wrote: > > What if he must display 9 digits and says the result is approximately 2.45678932 > would that be worse than 2.46000000 ?
Yup. Trailing zeros are not significant. That's why scientific notation is nice: you don't fill in all those insignificant placeholders. > > For above calculation pg will in the future return 0.00000000000000000000 as an > answer to 1.00000000000001*1000.0-1000.0 when used in my example context, while > it currently returns 0.000000000010 ... > You both are saying, that 0.00000000000000000000 is a better answer. That's right. And correct, as well. Ross ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org
