[Olsr-users] 0.5.6 Routes disappear after 4 mins of uptime, then all OK - suspect clock sync

[Henning Rogge]

Am Freitag 05 September 2008 11:02:26 schrieb Bernd Petrovitsch:
> Basically yes (and I can as well live with that).
> I purposely normalized it to ==-1/==0/==1 similar to the other function.
> And it's not that uncommon since e.g. strcmp() also return s <0/==0/>0.
>
> So it's a question of - to exaggerate a bit;-) - "API design".
>
> That's also why I mentioned the sgn() function which is the
> "normalization" part.
I don't know anything about x86 assembler, but on my old Amiga (motorola 68000 
cpu) it was faster to do a >0,==0,<0 than to compare to a number to 1 (as an 
example). This might be the reason C never used normalized output.

Henning

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