code: def test_x(self):
      with self.test_session():
          X = tf.constant([[0.0], [0.0]])
          X2 = tf.constant([[0.0], [0.0]])
          self.assertAllClose(rbf(X).eval(), [[1.0, 1.0], [1.0, 1.0]])
          self.assertAllClose(
              rbf(X, X2).eval(), [[1.0, 1.0], [1.0, 1.0]]
          )
  
file_path: edward/tests/util/rbf_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow
  from edward.util import rbf
label_desc: Use image node_id 1 for calling the test_rbf_class obj's underlying member method code with example usage: obj.test_x() without return types