(* structure of p o l y n o m i a l m o n o m i a l +----+ +--------+---------+---------+---------+---------+ |head| | numena | denomat |sequence | point to| point to| | 1 |---->|-tor |-or |number | expo vec| next |---> ...... | | | | | |-tor | monoial | | | +--------+---------+---------+---------+---------+ | | | +----+ V |head| +--+--+-- -+ | 2 | | | | .... | | | +--+--+-- -+ | | +----+ . . . *)