code: def aps13_f(x):
      r"""Function with *all* derivatives 0 at the root"""
      if x == 0:
          return 0
      # x2 = 1.0/x**2
      # if x2 > 708:
      #     return 0
      y = 1 / x**2
      if y > _MAX_EXPABLE:
          return 0
      return x / np.exp(y)
  
imports: from random import random
  import numpy
  from scipy.optimize import zeros
label_desc: Use image node_id 49 for calling a global function with example usage: aps13_f(x) and returns: unknown, int, int