[cairo] infinite loop when CAIRO_FIXED_FRAC_BITS is 8
Carl Worth
cworth at cworth.org
Thu Feb 14 15:47:35 PST 2008
On Thu, 14 Feb 2008 18:27:20 -0500, Behdad Esfahbod wrote:
> > consistently, (though my analysis was probably too shallow).
> >
> > And for what it's worth, we *don't* call qsort with this comparison
> > function.
>
> We do, by way of _cairo_hull_vertex_compare(). I checked ;).
OK, so change "probably" above to "definitely". I blew this one.
And I'm glad I asked for review. Thanks for saving me on this one,
Behdad!
> I'd go with something like: "To break ties when comparing slope vectors
> with exactly pi angular difference, the vector with a positive dx (or
> positive dy if dx's are zero) is considered ..."
Perfect. I'll go with that.
-Carl
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