code: def sphere_decreasing(middle, pos):
      return 1.0 - sqrt(1.0 - linear(middle, pos) ** 2)
  
file_path: catboost/contrib/python/Pillow/py3/PIL/GimpGradientFile.py
imports: from math import log, pi, sin, sqrt
  from ._binary import o8
label_desc: Use image node_id 5 for calling a global function with example usage: sphere_decreasing(middle, pos) and returns: unknown