code: def test_soft_inverse_is_actual_inverse(self):
      x = tf.constant([-1.25, -0.75, 0.75, 1.25], dtype=tf.float32)
      y = round_ops.soft_round(x, alpha=2.0)
      x2 = round_ops.soft_round_inverse(y, alpha=2.0)
      self.assertAllClose(x, x2)
  
file_path: compression/tensorflow_compression/python/ops/round_ops_test.py
imports: from absl.testing import parameterized
  import tensorflow
  from tensorflow_compression.python.ops import round_ops
label_desc: Use image node_id 4 for calling the SoftRoundTest obj's underlying member method code with example usage: obj.test_soft_inverse_is_actual_inverse() without return types