# Copyright 2022 The TensorFlow Authors. All Rights Reserved.
#
# 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
#
#     http://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
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# ==============================================================================
"""Test configs for atan2."""
import tensorflow as tf
from tensorflow.lite.testing.zip_test_utils import create_tensor_data
from tensorflow.lite.testing.zip_test_utils import make_zip_of_tests
from tensorflow.lite.testing.zip_test_utils import register_make_test_function


@register_make_test_function()
def make_atan2_tests(options):
  """Make a set of tests to do atan2."""

  test_parameters = [{
      "input_dtype": [tf.float32, tf.float64],
      "input_shape": [[], [1], [1, 2], [5, 6, 7, 8], [3, 4, 5, 6]]
  }]

  def build_graph(parameters):
    """Build the atan2 op testing graph."""
    input_value1 = tf.compat.v1.placeholder(
        dtype=parameters["input_dtype"],
        name="y",
        shape=parameters["input_shape"])
    input_value2 = tf.compat.v1.placeholder(
        dtype=parameters["input_dtype"],
        name="x",
        shape=parameters["input_shape"])
    out = tf.math.atan2(input_value1, input_value2)
    return [input_value1, input_value2], [out]

  def build_inputs(parameters, sess, inputs, outputs):
    input_value1 = create_tensor_data(parameters["input_dtype"],
                                      parameters["input_shape"])
    input_value2 = create_tensor_data(parameters["input_dtype"],
                                      parameters["input_shape"])
    return [input_value1, input_value2], sess.run(
        outputs, feed_dict=dict(zip(inputs, [input_value1, input_value2])))

  make_zip_of_tests(options, test_parameters, build_graph, build_inputs)