>
>
> Expected:   (0 . 10)
> Actually:  (6.12323399573677e-16 . 10.0)
>
> What's the best method to get the zero?
> Using simple `round' will not work, because I don't want to get
> integers for other fractions of PI.
>

in pseudo code:

if abs(x) < 0.001 then x=0

or
round(x, 3) if 3 decimals is your accuracy

Greetings, Ed
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