(* returns a "normalized" version of the polynomial weight wl (with type
* weight list), i.e. a list sorted ascending by meta number,
* from 0 to maxmeta. wl must be sorted descending by meta number. Example:
(* returns a "normalized" version of the polynomial weight wl (with type
* weight list), i.e. a list sorted ascending by meta number,
* from 0 to maxmeta. wl must be sorted descending by meta number. Example: