test_ternary_encoder_decoder.py 文件源码

def ternary_decoder(encoded_data, scaler, shape):
  """Decoding the signs to float format """
  a = tf.cast(encoded_data, tf.int32)
  a_split1 = tf.mod(a,4)
  a_split2 = tf.to_int32(tf.mod(a/4,4))
  a_split3 = tf.to_int32(tf.mod(a/16,4))
  a_split4 = tf.to_int32(tf.mod(a/64,4))
  a = tf.concat([a_split1, a_split2, a_split3, a_split4], 0)
  real_size = tf.reduce_prod(shape)
  a = tf.to_float(a)
  a = tf.gather(a, tf.range(0,real_size))
  a = tf.reshape(a, shape)
  a = tf.subtract(a, 1)
  decoded = a*scaler
  return decoded