[PD] no pd?? WTF ????

Mathieu Bouchard matju at artengine.ca
Fri Jan 13 14:11:46 CET 2012


Le 2012-01-13 à 08:05:00, Mathieu Bouchard a écrit :

> Neither binary nor decimal representation is more precise than the other, 
> it's just that their precision never matches exactly. 20 bits is slightly 
> less than 6 decimals, whereas 16 decimals is slightly more than 53 bits. Thus 
> you can only preserve precision by using slightly too many digits, otherwise 
> you'll have too few.

erratum : i meant that 20 bits is slightly more than 6 decimals.

20 bits =  6.0205... decimals
24 bits =  7.2247... decimals
53 bits = 15.9545... decimals

(And by «decimal» here, I mean all significant digits, not the other 
meaning of the word)

  ______________________________________________________________________
| Mathieu BOUCHARD ----- téléphone : +1.514.383.3801 ----- Montréal, QC


More information about the Pd-list mailing list