Function famA

test/compute-engine/solve-diophantine.test.ts:362–366

(t: number, t1: number, t2: number)

  // few points below — so a JS sweep over them is a sweep over the engine's
  // own families).
  const famA = (t: number, t1: number, t2: number): [number, number, number] => [
    t * (t1 * t1 - t2 * t2),
    2 * t * t1 * t2,
    t * (t1 * t1 + t2 * t2),
  ];
  const famB = (t: number, t1: number, t2: number): [number, number, number] => [
    2 * t * t1 * t2,
    t * (t1 * t1 - t2 * t2),