Subdivide one planar Bezier curve with2..6integercontrolpoints[-20,20] at explic...
https://datenvertrag.halowerk.com/v1/exact-bezier-subdivision-auditOverview
Subdivide one planar Bezier curve with2..6integercontrolpoints[-20,20] at explicit rational t0..1 numerator0..denominator<=8. Return normalizedparameter,every intermediate deCasteljau triangle coordinate,and complete same-degree left/right child controlpolygons oriented from original start to split and split to original end. Every coordinate is an exact reduced signed-numerator/positive-denominator decimal-string pair;split point included.