[arpafaucon]

If you round up and down with the same probability, it will get canceled on the long run.

I suppose this does mitigate the risk a little, but risks breaking other things. For example, you don't have the simple logic sequence: a < b => round(a) < round(b)

So I'd say "not worth it"

[rswail]

Minor correction:

iff |a| < |b| then round(|a|) < = round(|b|)