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paddlepaddle--paddle/test/legacy_test/test_swapdims.py
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2026-07-13 12:40:42 +08:00

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# Copyright (c) 2025 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 get_device_place, is_custom_device
from utils import dygraph_guard, static_guard
import paddle
class TestswapdimsCompatibility(unittest.TestCase):
def setUp(self):
self.places = [paddle.CPUPlace()]
if paddle.base.core.is_compiled_with_cuda() or is_custom_device():
self.places.append(get_device_place())
self.func = paddle.swapdims
self.init_data()
def init_data(self):
self.shape = [4, 5, 6]
self.dtype = 'float32'
self.dim0 = 0
self.dim1 = 1
self.perm = [1, 0, 2]
self.np_input = np.random.rand(*self.shape).astype(self.dtype)
self.np_out = np.transpose(self.np_input, axes=self.perm)
def test_dygraph_compatibility(self):
with dygraph_guard():
for place in self.places:
paddle.device.set_device(place)
x = paddle.to_tensor(self.np_input)
outs = []
outs.append(paddle.swapdims(x, self.dim0, self.dim1))
outs.append(
paddle.swapdims(input=x, dim0=self.dim0, dim1=self.dim1)
)
outs.append(x.swapdims(self.dim0, self.dim1))
outs.append(x.swapdims(dim0=self.dim0, dim1=self.dim1))
outs.append(x.swapdims(self.dim0, dim1=self.dim1))
for out in outs:
np.testing.assert_array_equal(self.np_out, out.numpy())
def test_static_compatibility(self):
with static_guard():
for place in self.places:
main = paddle.static.Program()
startup = paddle.static.Program()
with paddle.base.program_guard(main, startup):
x = paddle.static.data(
name="x", shape=self.shape, dtype=self.dtype
)
outs = []
outs.append(paddle.swapdims(x, self.dim0, self.dim1))
outs.append(
paddle.swapdims(input=x, dim0=self.dim0, dim1=self.dim1)
)
outs.append(x.swapdims(self.dim0, self.dim1))
outs.append(x.swapdims(dim0=self.dim0, dim1=self.dim1))
outs.append(x.swapdims(self.dim0, dim1=self.dim1))
exe = paddle.base.Executor(place)
fetches = exe.run(
main,
feed={"x": self.np_input},
fetch_list=outs,
)
for out in fetches:
np.testing.assert_array_equal(self.np_out, out)
if __name__ == "__main__":
unittest.main()