[cairo] intersect_lines in Bentley Ottman implementation

[Behdad Esfahbod]

On Wed, 2008-07-30 at 05:22 -0400, Antoine Azar wrote:
> Let me know if that's fine for everyone or if we should use the
> floating point code by default and rather have a OPTIMIZE_FOR_NO_FPU
> flag.

We already have a macro DISABLE_SOME_FLOATING_POINT that you can #ifdef
on.

I also think you should be using double instead of float.

-- 
behdad
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