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Paddle/python/paddle/fluid/tests/unittests/test_sequence_reverse.py

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# Copyright (c) 2018 PaddlePaddle 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
# limitations under the License.
import unittest
import paddle.fluid as fluid
import paddle.fluid.core as core
from op_test import OpTest
import numpy as np
class TestSequenceReverseBase(OpTest):
def initParameters(self):
pass
def setUp(self):
self.size = (10, 3, 4)
self.lod = [2, 3, 5]
self.dtype = 'float32'
self.initParameters()
self.op_type = 'sequence_reverse'
self.x = np.random.random(self.size).astype(self.dtype)
self.y = self.get_output()
self.inputs = {'X': (self.x, [self.lod, ]), }
self.outputs = {'Y': (self.y, [self.lod, ]), }
def get_output(self):
tmp_x = np.reshape(self.x, newshape=[self.x.shape[0], -1])
tmp_y = np.ndarray(tmp_x.shape).astype(self.dtype)
prev_idx = 0
for cur_len in self.lod:
idx_range = range(prev_idx, prev_idx + cur_len)
tmp_y[idx_range, :] = np.flip(tmp_x[idx_range, :], 0)
prev_idx += cur_len
return np.reshape(tmp_y, newshape=self.x.shape).astype(self.dtype)
def test_output(self):
self.check_output(0)
def test_grad(self):
self.check_grad(['X'], 'Y')
class TestSequenceReserve1(TestSequenceReverseBase):
def initParameters(self):
self.size = (12, 10)
self.lod = [4, 5, 3]
class TestSequenceReverse2(TestSequenceReverseBase):
def initParameters(self):
self.size = (12, 10)
self.lod = [12]
if __name__ == '__main__':
unittest.main()