55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import paddle
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class TestStopGradient(unittest.TestCase):
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def setUp(self):
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paddle.enable_static()
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def tearDown(self):
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paddle.disable_static()
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def create_var(self, stop_gradient):
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x = paddle.randn([2, 4])
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x.stop_gradient = stop_gradient
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return x
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def test_unary(self):
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x = self.create_var(True)
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out = x.reshape([4, -1])
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self.assertTrue(out.stop_gradient)
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def test_binary(self):
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x = self.create_var(True)
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y = self.create_var(True)
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out = x + y
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self.assertTrue(out.stop_gradient)
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def test_binary2(self):
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x = self.create_var(True)
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y = self.create_var(False)
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out = x + y
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self.assertFalse(out.stop_gradient)
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if __name__ == '__main__':
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unittest.main()
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