code: def calc_cubic_points(a, b, c, d):
      _1 = d
      _2 = (c / 3.0) + d
      _3 = (b + c) / 3.0 + _2
      _4 = a + d + c + b
      return _1, _2, _3, _4
  
file_path: catboost/contrib/python/fonttools/fontTools/cu2qu/cu2qu.py
imports: import math
  from .errors import Error, ApproxNotFoundError
label_desc: Use image node_id 2 for calling a global function with example usage: calc_cubic_points(a, b, c, d) and returns: _1,  _2,  _3,  _4