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1# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14# ==============================================================================
15"""Test configs for relu1."""
16import numpy as np
17import tensorflow.compat.v1 as tf
18from tensorflow.lite.testing.zip_test_utils import create_tensor_data
19from tensorflow.lite.testing.zip_test_utils import make_zip_of_tests
20from tensorflow.lite.testing.zip_test_utils import register_make_test_function
21
22
23@register_make_test_function()
24def make_relu1_tests(options):
25  """Make a set of tests to do relu1."""
26
27  # Chose a set of parameters
28  test_parameters = [{
29      "input_shape": [[], [1, 1, 1, 1], [1, 3, 4, 3], [3, 15, 14, 3]],
30      "fully_quantize": [True, False],
31      "input_range": [(-2, 8)]
32  }]
33
34  def build_graph(parameters):
35    input_tensor = tf.compat.v1.placeholder(
36        dtype=tf.float32, name="input", shape=parameters["input_shape"])
37    # Note that the following is not supported:
38    #   out = tf.maximum(-1.0, tf.minimum(input_tensor, 1.0))
39    out = tf.minimum(1.0, tf.maximum(input_tensor, -1.0))
40    return [input_tensor], [out]
41
42  def build_inputs(parameters, sess, inputs, outputs):
43    min_value, max_value = parameters["input_range"]
44    input_values = create_tensor_data(
45        np.float32, parameters["input_shape"], min_value, max_value)
46    return [input_values], sess.run(
47        outputs, feed_dict=dict(zip(inputs, [input_values])))
48
49  make_zip_of_tests(options, test_parameters, build_graph, build_inputs)
50