[metapost] precision of division

[L. Nobre G.]

On 10/10/06, Dan Luecking <luecking at uark.edu> wrote:
> MP may decide that paths do
> intersect which actually do not, and vice versa.

That's really annoying. Should be fixed.

> One should never actually rely on MP to detect that paths intersect
> except in one circumstance: if the paths intersect transversally
> (i.e., not tangentially) at a points on each that are strictly between
> nodes (i.e., at non-integer times). Even then the points of
> intersection that one obtains need not be strictly equal.

Ah-a! You have done some studies on this subject, right?
Would you be so kind as to provide a predictable implementation of a
intersectionpoint macro?
I don't know enough to do it myself...
-- 
L. Nobre G. - http://lnobreg.googlepages.com/
--
"For better or for worse, people outside the West are fleeing
self-sufficient and isolated societies in an effort to raise their
standards of living by becoming interdependent in much larger
markets." Hernando de Soto  in The Mystery of Capital