pub fn validate_curve_start_and_end<S: Scalar>(
curve: &NurbCurve3D<S>,
start: &Vector3<S>,
end: &Vector3<S>,
) -> GeopResult<()>pub fn validate_curve_start_and_end<S: Scalar>(
curve: &NurbCurve3D<S>,
start: &Vector3<S>,
end: &Vector3<S>,
) -> GeopResult<()>