test_sequence_slice_op.py 2.0 KB
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#   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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#
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# 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
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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
# 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.

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import unittest
import numpy as np
import sys
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from op_test import OpTest
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class TestSequenceSliceOp(OpTest):
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    def set_data(self):
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        self.init_test_case()
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        # only supprot one level LoD
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        x = np.random.random(self.x_dim).astype('float32')
        lod = self.x_lod
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        offset = np.array(self.offset).astype("int64")
        length = np.array(self.length).astype("int64")
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        self.inputs = {'X': (x, lod), 'Offset': offset, 'Length': length}
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        outs = []  #np.zeros((100, 3, 2)).astype('float32')
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        out_lod = [[]]
        lod_offset = 0
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        for i in range(len(offset)):
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            sub_x = x[lod_offset + offset[i, 0]:lod_offset + offset[i, 0] +
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                      length[i, 0], :]
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            outs.append(sub_x)
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            out_lod[0].append(len(sub_x))
            lod_offset += lod[0][i]
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        outs = np.concatenate(outs, axis=0)
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        self.outputs = {'Out': (outs, out_lod)}
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    def init_test_case(self):
        self.x_dim = (100, 3, 2)
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        self.x_lod = [[20, 20, 20, 20, 20]]
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        self.offset = [[1], [2], [3], [4], [5]]
        self.length = [[10], [8], [6], [4], [2]]
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    def setUp(self):
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        self.op_type = "sequence_slice"
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        self.set_data()

    def test_check_output(self):
        self.check_output()

    def test_check_grad(self):
        self.check_grad(['X'], 'Out')

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if __name__ == '__main__':
    unittest.main()