def testAppendHomog(self): with tf_ops.Graph().as_default(), self.test_session() as sess: npr.seed(0) m, n = 3, 4 a = npr.randn(m, n) a_homog = ff.append_homog(array_ops.constant(a)) np_result = np.hstack([a, np.ones((m, 1))]) self.assertAllClose(sess.run(a_homog), np_result)