text: # Copyright 2020 Google LLC
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      https://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import numpy as np
  from pyiree.tf.support import tf_test_utils
  import tensorflow.compat.v2 as tf
  
  
  class ComplexModule(tf.Module):
  
    def __init__(self):
      pass
  
    @tf.function(input_signature=[
        tf.TensorSpec([2], tf.float32),
        tf.TensorSpec([2], tf.float32)
    ])
    def complex(self, real, imag):
      cmplx = tf.complex(real, imag)
      absolute = tf.exp(cmplx);
      return tf.math.real(absolute)
  
  
  @tf_test_utils.compile_module(ComplexModule)
  class ComplexTest(tf_test_utils.CompiledModuleTestCase):
  
    def test_complex(self):
      dims = np.array([2., 3.], dtype=np.float32)
      value = np.array([-1., 0.4], dtype=np.float32)
  
      result = self.get_module().complex(dims, value)
      result.assert_all_close()
  
  
  if __name__ == "__main__":
    if hasattr(tf, "enable_v2_behavior"):
      tf.enable_v2_behavior()
    tf.test.main()
  