code: def curved(middle, pos):
      return pos ** (log(0.5) / log(max(middle, EPSILON)))
  
file_path: catboost/contrib/python/Pillow/py2/PIL/GimpGradientFile.py
imports: from math import log, pi, sin, sqrt
  from ._binary import o8
label_desc: Use image node_id 2 for calling a global function with example usage: curved(middle, pos) and returns: unknown