Segment segment((*segment_)(t).get(Segment()));
etl::hermite<Vector> curve(segment.p1,segment.p2,segment.t1,segment.t2);
- etl::derivative< etl::hermite<Vector> > deriv(curve, 0.0001);
+ etl::derivative< etl::hermite<Vector> > deriv(curve);
return deriv((*amount_)(t).get(Real()));
}