CanonicalForm EZGCD_P(const CanonicalForm &A, const CanonicalForm &B)
Extended Zassenhaus GCD for finite fields. In case things become too dense we switch to a modular alg...
CanonicalForm ezgcd(const CanonicalForm &f, const CanonicalForm &g)
Extended Zassenhaus GCD over Z. In case things become too dense we switch to a modular algorithm.