def random_point_comparision_to_nurbs_python(spline: BSpline, count: int = 10):
curve = spline.to_nurbs_python_curve()
for _ in range(count):
t = random.random()
p1 = spline.point(t)
p2 = curve.evaluate_single(t)
assert p1.isclose(p2)
def random_derivatives_comparision_to_nurbs_python(spline: BSpline,
count: int = 10):
curve = spline.to_nurbs_python_curve()
for _ in range(count):
t = random.random()
p1, d1_1, d2_1 = spline.derivative(t, n=2)
p2, d1_2, d2_2 = curve.derivatives(t, order=2)
assert p1.isclose(p2)
assert d1_1.isclose(d1_2)
assert d2_1.isclose(d2_2)