Method is_parallel

numericals.py:227–230

(self, other: Line)

    return x * a + y * b + c

  def is_parallel(self, other: Line) -> bool:
    a, b, _ = self.coefficients
    x, y, _ = other.coefficients
    return abs(a * y - b * x) < ATOM

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