Re: [AD] Line clipping fix

[Jon Rafkind <workmin@xxxxxxxxxx>]

> I've been thinking about this problem for more than a week.  My viewpoint is 
> currently the following:
> - the original code (4.1.11) is correct, simple and slow,
> - the new code (4.1.12) is incorrect, simple and fast,
> - your code is correct, complicated and a bit faster than the original code.
>
> So I'm leaning towards simply reverting to the 4.1.11 implementation.
>
>  
Would it be possible to keep the cohen-sutherland routine as a special 
routine, say clip_line? I can see where you might want the same exact 
line after its clipped, but sometimes you just dont care and would are 
more concerned with speed issues.