linear_operator_test_util.py 文件源码

def test_log_abs_det(self):
    self._maybe_skip("log_abs_det")
    for use_placeholder in False, True:
      for shape in self._shapes_to_test:
        for dtype in self._dtypes_to_test:
          if dtype.is_complex:
            self.skipTest(
                "tf.matrix_determinant does not work with complex, so this "
                "test is being skipped.")
          with self.test_session(graph=ops.Graph()) as sess:
            sess.graph.seed = random_seed.DEFAULT_GRAPH_SEED
            operator, mat, feed_dict = self._operator_and_mat_and_feed_dict(
                shape, dtype, use_placeholder=use_placeholder)
            op_log_abs_det = operator.log_abs_determinant()
            mat_log_abs_det = math_ops.log(
                math_ops.abs(linalg_ops.matrix_determinant(mat)))
            if not use_placeholder:
              self.assertAllEqual(shape[:-2], op_log_abs_det.get_shape())
            op_log_abs_det_v, mat_log_abs_det_v = sess.run(
                [op_log_abs_det, mat_log_abs_det],
                feed_dict=feed_dict)
            self.assertAC(op_log_abs_det_v, mat_log_abs_det_v)