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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2024 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 numpy as np
from op_test import is_custom_device
import paddle
from paddle import to_tensor
from paddle.nn import ZeroPad3D, ZeroPad3d
class TestZeroPad3DAPI(unittest.TestCase):
def setUp(self):
if paddle.is_compiled_with_cuda() or is_custom_device():
paddle.device.set_device('gpu:0')
else:
paddle.device.set_device('cpu')
self.shape = [4, 3, 6, 6, 6]
self.support_dtypes = ['float32', 'float64', 'int32', 'int64']
def test_support_dtypes(self):
for dtype in self.support_dtypes:
pad = 2
x = np.random.randint(-255, 255, size=self.shape).astype(dtype)
expect_res = np.pad(
x,
[[0, 0], [0, 0], [pad, pad], [pad, pad], [pad, pad]],
mode='constant',
constant_values=0,
)
x_tensor = to_tensor(x).astype(dtype)
zeropad3d = ZeroPad3D(padding=pad)
ret_res = zeropad3d(x_tensor).numpy()
np.testing.assert_allclose(expect_res, ret_res, rtol=1e-05)
def test_support_pad2(self):
pad = [1, 2, 3, 4, 5, 6]
x = np.random.randint(-255, 255, size=self.shape)
expect_res = np.pad(
x,
[
[0, 0],
[0, 0],
[pad[4], pad[5]],
[pad[2], pad[3]],
[pad[0], pad[1]],
],
mode='constant',
constant_values=0,
)
x_tensor = to_tensor(x)
zeropad3d = ZeroPad3D(padding=pad)
ret_res = zeropad3d(x_tensor).numpy()
np.testing.assert_allclose(expect_res, ret_res, rtol=1e-05)
def test_support_pad3(self):
pad = (1, 2, 3, 4, 5, 6)
x = np.random.randint(-255, 255, size=self.shape)
expect_res = np.pad(
x,
[
[0, 0],
[0, 0],
[pad[4], pad[5]],
[pad[2], pad[3]],
[pad[0], pad[1]],
],
)
x_tensor = to_tensor(x)
zeropad3d = ZeroPad3D(padding=pad)
ret_res = zeropad3d(x_tensor).numpy()
np.testing.assert_allclose(expect_res, ret_res, rtol=1e-05)
def test_support_pad4(self):
pad = [1, 2, 3, 4, 5, 6]
x = np.random.randint(-255, 255, size=self.shape)
expect_res = np.pad(
x,
[
[0, 0],
[0, 0],
[pad[4], pad[5]],
[pad[2], pad[3]],
[pad[0], pad[1]],
],
)
x_tensor = to_tensor(x)
pad_tensor = to_tensor(pad, dtype='int32')
zeropad3d = ZeroPad3D(padding=pad_tensor)
ret_res = zeropad3d(x_tensor).numpy()
np.testing.assert_allclose(expect_res, ret_res, rtol=1e-05)
def test_repr(self):
pad = pad = [1, 2, 3, 4, 5, 6]
zeropad3d = ZeroPad3D(padding=pad)
name_str = zeropad3d.extra_repr()
assert (
name_str
== 'padding=[1, 2, 3, 4, 5, 6], mode=constant, value=0.0, data_format=NCDHW'
)
def test_compatibility(self):
pad = [1, 2, 3, 4, 5, 6]
x = np.random.randint(-255, 255, size=self.shape)
expect_res = np.pad(
x,
[
[0, 0],
[0, 0],
[pad[4], pad[5]],
[pad[2], pad[3]],
[pad[0], pad[1]],
],
)
x_tensor = to_tensor(x)
pad_tensor = to_tensor(pad, dtype='int32')
# test func alias
zeropad3d = ZeroPad3d(padding=pad_tensor)
ret_res = zeropad3d(x_tensor).numpy()
np.testing.assert_allclose(expect_res, ret_res, rtol=1e-05)
# test @param_one_alias(["x", "input"])
ret_res = zeropad3d(input=x_tensor).numpy()
np.testing.assert_allclose(expect_res, ret_res, rtol=1e-05)
# test padding attribute
zeropad3d = ZeroPad3D(
padding=to_tensor([1, 1, 1, 1, 1, 1], dtype='int32')
)
zeropad3d.padding = pad_tensor
ret_res = zeropad3d(x_tensor).numpy()
np.testing.assert_allclose(expect_res, ret_res, rtol=1e-05)
if __name__ == '__main__':
unittest.main()