class CombinedInterpolatorExtrapolator extends Interpolator1D {

  @Override
  public Interpolator1DDataBundle getDataBundle(final double[] x, final double[] y) {
    return _interpolator.getDataBundle(x, y);
  }

  public  CombinedInterpolatorExtrapolator(final Interpolator1D interpolator);
  public  CombinedInterpolatorExtrapolator(final Interpolator1D interpolator, final Interpolator1D extrapolator);
  public  CombinedInterpolatorExtrapolator(final Interpolator1D interpolator, final Interpolator1D leftExtrapolator, final Interpolator1D rightExtrapolator);

}