Method cross

numericals.py:237–240

(self, other: Line)

    return abs(a * x + b * y) < ATOM

  def cross(self, other: Line) -> float:
    a, b, _ = self.coefficients
    x, y, _ = other.coefficients
    return a * y - b * x

  def dot(self, other: Line) -> float:
    a, b, _ = self.coefficients