(a)
return int64_to_int32s(a)
Converts an RNG key to an RNG seed.

  Args:
    a: an RNG key, an ndarray of shape [] and dtype `np.int64`.

  Returns:
    an RNG seed, a tensor of shape [2] and dtype `tf.int32`.
Converts an RNG key to an RNG seed.
Converts an RNG key to an RNG seed .
def _key2seed(a):
  """Converts an RNG key to an RNG seed.

  Args:
    a: an RNG key, an ndarray of shape [] and dtype `np.int64`.

  Returns:
    an RNG seed, a tensor of shape [2] and dtype `tf.int32`.
  """

  def int64_to_int32s(a):
    """Converts an int64 tensor of shape [] to an int32 tensor of shape [2]."""
    a = tf.cast(a, tf.uint64)
    fst = tf.cast(a, tf.uint32)
    snd = tf.cast(
        tf.bitwise.right_shift(a, tf.constant(32, tf.uint64)), tf.uint32)
    a = [fst, snd]
    a = tf.nest.map_structure(lambda x: tf.cast(x, tf.int32), a)
    a = tf.stack(a)
    return a

  return int64_to_int32s(a)
def _key2seed ( a ) : def int64_to_int32s ( a ) : """Converts an int64 tensor of shape [] to an int32 tensor of shape [2].""" a = tf . cast ( a , tf . uint64 ) fst = tf . cast ( a , tf . uint32 ) snd = tf . cast ( tf . bitwise . right_shift ( a , tf . constant ( 32 , tf . uint64 ) ) , tf . uint32 ) a = [ fst , snd ] a = tf . nest . map_structure ( lambda x : tf . cast ( x , tf . int32 ) , a ) a = tf . stack ( a ) return a return int64_to_int32s ( a )