fractal_block.py 文件源码

def coin_flip(prob=.5):
  """Random boolean variable, with `prob` chance of being true.

  Used to choose between local and global drop path.

  Args:
    prob:float, probability of being True.
  """
  with tf.variable_op_scope([],None,"CoinFlip"):
    coin = tf.random_uniform([1])[0]>prob
  return coin