@GlobalScope

• bool is_zero_approx(x: float)
  • 判断为0或者几乎为0
• bool is_equal_approx(a: float, b: float)
  • 判断两个数近似相等
• float move_toward(from: float, to: float, delta: float)
  • 将from向to移动,步长为delta,不会超过to