Function ratParts

src/compute-engine/rubi/rubi-utils.ts:472–478

literal rational → [numerator, denominator] as machine numbers

(e: Expression)

  } catch {
    // Deadline exceeded (CancellationError): fall back to the
    // unsimplified expression — same fail-closed behavior as the leaf cap.
    r = e;
  }
  const ms = Date.now() - t0;
  if (ms > 1000 && process.env.RUBI_DEBUG)
    console.error(`slow simplify ${ms}ms: ${e.toString().slice(0, 120)}`);
  activeCaches?.simplify.set(key, r);
  return r;
}