code: def _double_factorial_loop_body(n, result, two):
      result = tf.where(tf.greater_equal(n, two), result * n, result)
      return n - two, result, two
  
file_path: graphics/tensorflow_graphics/math/math_helpers.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow
  from tensorflow_graphics.util import asserts
  from tensorflow_graphics.util import export_api
  from tensorflow_graphics.util import safe_ops
  from tensorflow_graphics.util import shape
  from tensorflow_graphics.util.type_alias import Float
  from tensorflow_graphics.util.type_alias import TensorLike
label_desc: Use image node_id 2 for calling a global function with example usage: _double_factorial_loop_body(n, result, two) and returns: unknown,  result,  two