import tensorflow as tf

                              precision_range=(0.0, 1.0),
                              num_anchors=20,
                              weights=1.0,
                              dual_rate_factor=0.1,
                              label_priors=None,
                              surrogate_type='xent',
                              lambdas_initializer=tf.constant_initializer(1.0),
                              reuse=None,
                              variables_collections=None,
                              trainable=True,
                              scope=None):
  """Computes precision-recall AUC loss.
