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-   -   How Small is Zero ! (http://www.cfd-online.com/Forums/fluent/32646-how-small-zero.html)

Ajay Rao December 4, 2003 17:51

How Small is Zero !
 
In any calculation what number could be safely regarded as zero 1e-16 , 1 e-17 ?? what is generally used as 0. How low shuld the number be to assume 0. -Thanks Ajay

Chendhil December 4, 2003 18:40

Re: How Small is Zero !
 
Hi Ajay,

I use 1e-15 as zero for my calculations.

Chendhil.

ccc December 5, 2003 04:26

Re: How Small is Zero !
 
hi

for double type, 1.0e-15 is taken as zero by me, and for float type, 1.0e-10.

good luck.


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