LinearSplineInterpolation()
 {
     _spline = new SplineInterpolation();
 }
 CubicHermiteSplineInterpolation()
 {
     _spline = new SplineInterpolation();
 }
 /// <summary>
 /// Create an interpolation algorithm instance.
 /// </summary>
 public LinearSplineInterpolation()
 {
     _spline = new SplineInterpolation();
 }
 /// <summary>
 /// Create an interpolation algorithm instance.
 /// </summary>
 public CubicHermiteSplineInterpolation()
 {
     _spline = new SplineInterpolation();
 }