code: def random_signs_cmwc(num_elements, seed, dtype=tf.float32):
      """Returns a Tensor of `num_elements` random +1/-1 values as `dtype`."""
      return tf.cast(
          tf.sign(_cmwc_random_sequence(num_elements, seed) - 0.5),
          dtype,
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import logging
  import math
  import numpy
  import tensorflow
label_desc: Use image node_id 5 for calling a global function with example usage: random_signs_cmwc(num_elements, seed, dtype) and returns: tf