def test_bspline_point_calculation_against_derivative_calculation():
# point calculation and derivative calculation are not the same functions
# for optimization reasons. The derivatives() function returns the curve
# point and n derivatives, check if both functions return the
# same curve point:
spline = BSpline(DEFPOINTS, order=4)
curve_points = [p[0] for p in spline.derivatives(PARAMS, n=1)]
for p, expected in zip(curve_points, spline.points(PARAMS)):
assert p.isclose(expected)
def test_bspline_point_calculation_to_pre_calculated_results(order, results):
spline = BSpline(DEFPOINTS, order=order)
for p, expected in zip(spline.points(PARAMS), results):
assert p.isclose(expected)