[metapost] turningnumber revisited

[Taco Hoekwater]

Hi Laurent,

On 06/28/2011 08:40 AM, laurent at math.toronto.edu wrote:
>
> Since there is agreement concerning the mathematical
> concept "winding number" and the performance of its
> Metapost (or PostScript) implementation
> "windingnumber", I propose today to exploit "winding
> number" to specify "turning number" and propose
> potential Metafont implementations of the primitive
> "turningnumber".

Unless you plan to also write the actual implementation
of such a new implementation (be it for metapost or metafont)
I fear this discussion will remain strictly theoretical.

Best wishes,
Taco