-typedef BinomialInterpolator<Scalar ,2> Qerps; // quadratic
-typedef BinomialInterpolator<Vector2,2> Qerpv2;
-typedef BinomialInterpolator<Vector3,2> Qerpv3;
-typedef BinomialInterpolator<Vector4,2> Qerpv4;
+typedef PolynomialInterpolator<2> Qerp; // quadratic
+typedef PolynomialInterpolator<2,Vector2> Qerp2;
+typedef PolynomialInterpolator<2,Vector3> Qerp3;
+typedef PolynomialInterpolator<2,Vector4> Qerp4;