Re: quesa/Development/Source/Renderers/Interactive IRGeometry.c,1.46,1.47

[Roger H. <rog...@mi...>]

>
> That's normally a good trick to use (compare squares rather than actual
> lengths), but this code is only hit in a debug build anyway - so it's
> probably clearer when you're stepping through to just get the actual
> length.

Marginally, but I do a lot of testing with the debugging version, and
I think sqrt is quite a slow function even on a G4 or G5.

>
>
>> By the way, I think the name kQ3RealZero is a bit misleading. Real
>> zero is zero, kQ3RealZero is just a small number. How about
>> kQ3AlmostZero?
>
> Yes, I've always thought kQ3RealZero was an odd name for something that
> isn't really zero. :-)
>
> Perhaps kQ3Epsilon, since that's really what it's used for (and maps to
> FLT_EPSILON if that's available).
>

Yes that would be better. Is it public ?

Roger.