code: def next_down(value, width=64):
      return -next_up(-value, width)
  
file_path: catboost/contrib/python/hypothesis/py2/hypothesis/internal/floats.py
imports: from __future__ import absolute_import, division, print_function
  import math
  from hypothesis.internal.compat import CAN_PACK_HALF_FLOAT, quiet_raise, struct_pack, struct_unpack
label_desc: Use image node_id 9 for calling a global function with example usage: next_down(value, width) and returns: unknown