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51 lines
1.7 KiB
51 lines
1.7 KiB
6 years ago
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# Copyright (c) 2019 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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from __future__ import print_function
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import unittest
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import numpy as np
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from op_test import OpTest
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class TestPixelShuffle(OpTest):
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def setUp(self):
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self.op_type = "pixel_shuffle"
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n, c, h, w = 2, 9, 4, 4
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up_factor = 3
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shape = [n, c, h, w]
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x = np.random.random(shape).astype("float32")
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new_shape = (n, c // (up_factor * up_factor), up_factor, up_factor, h,
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w)
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# reshape to (num,output_channel,upscale_factor,upscale_factor,h,w)
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npresult = np.reshape(x, new_shape)
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# transpose to (num,output_channel,h,upscale_factor,w,upscale_factor)
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npresult = npresult.transpose(0, 1, 4, 2, 5, 3)
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oshape = [n, c // (up_factor * up_factor), h * up_factor, w * up_factor]
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npresult = np.reshape(npresult, oshape)
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self.inputs = {'X': x}
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self.outputs = {'Out': npresult}
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self.attrs = {'upscale_factor': up_factor}
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def test_check_output(self):
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self.check_output()
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def test_check_grad(self):
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self.check_grad(['X'], 'Out')
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if __name__ == '__main__':
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unittest.main()
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