kicad-developers team mailing list archive

["vladimir_uryvaev" <vovanius@...>]

--- In kicad-devel@xxxxxxxxxxxxxxx, Werner Almesberger <werner@...> wrote:
> Of course, no matter what you do, it's only a question of time until
> you hit a perversion you still can't cleanly represent. E.g., if you
> pick a 100 nm quantum, things like 507.8 mil or 182.9 mil raise
> interesting questions about rounding.

Ofcourse, we should take 20 nm (GCD for 0.1mil and 1mm) or less quantum to keep current accuracy. We may take 1 nm quantum to make KiCad accurate enough for some decades (and for chip design:)).

Only analytic number representation can remove rounding problem completely.:)