code: def aps13_fpp(x):
      if x == 0:
          return 0
      y = 1 / x**2
      if y > _MAX_EXPABLE:
          return 0
      return 2 * (2 - x**2) / x**5 / np.exp(y)
  
imports: from random import random
  import numpy
  from scipy.optimize import zeros
label_desc: Use image node_id 51 for calling a global function with example usage: aps13_fpp(x) and returns: unknown, int, int