Function factored

test/compute-engine/factor.test.ts:659–660

(s: string)

// extraction is now gated to genuine polynomial perfect squares, and the
// difference-of-squares result is recursively factored to the full
// (cyclotomic) factorization.
describe('Factor(xⁿ − 1) returns polynomial factors (ROADMAP B4)', () => {
  const factored = (s: string) =>
    ce.expr(['Factor', parse(s)]).evaluate();