[Scilab-users] Underflow [was: (no subject)]

[Dang, Christophe]

Hello, 

De la part de Renzo Zini
Envoyé : mercredi 24 avril 2013 15:58

> ->format(25) )
>
> ->155568095557812224/17
> ans  =
> 
>    9151064444577190.  
> 
> and I know this is wrong because 17 does not divide that number

It seems you have an underflow.

The result has 16 digits,
and the mantissa with double precision floating points has an epsilon
of 2^-52 which is about 10^-16 (see %eps).

You can read Michaël Baudin, Scilab is not naive (2010)

http://www.scilab.org/content/download/249/1710/file/scilabisnotnaive.pdf

-- 
Christophe Dang Ngoc Chan
Mechanical calculation engineer
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