code: def gauss_spline(x, n):
      """Gaussian approximation to B-spline basis function of order n.
  
      Parameters
      ----------
      n : int
          The order of the spline. Must be nonnegative, i.e. n >= 0
  
      References
      ----------
      .. [1] Bouma H., Vilanova A., Bescos J.O., ter Haar Romeny B.M., Gerritsen
         F.A. (2007) Fast and Accurate Gaussian Derivatives Based on B-Splines.
         In: Sgallari F., Murli A., Paragios N. (eds) Scale Space and Variational
         Methods in Computer Vision. SSVM 2007. Lecture Notes in Computer
         Science, vol 4485. Springer, Berlin, Heidelberg
      """
      x = cp.asarray(x)
  
      return _gauss_spline_kernel(x, n)
  
label_desc: Use image node_id 1 for calling a global function with example usage: gauss_spline(x, n) and returns: _gauss_spline_kernel