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

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4.6 KiB

# Copyright (c) 2019 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.
from __future__ import print_function
import unittest
import numpy as np
from op_test import OpTest
import paddle.fluid as fluid
def bcast(x, target_tensor):
x_dims = x.shape
y_dims = target_tensor.shape
bcast_dims = []
for i in range(len(x_dims)):
bcast_dims.append(int(y_dims[i] / x_dims[i]))
bcast_dims = np.array(bcast_dims).astype("int64")
return bcast_dims
class TestExpandAsOpRank1(OpTest):
def setUp(self):
self.op_type = "expand_as"
x = np.random.rand(100).astype("float64")
target_tensor = np.random.rand(200).astype("float64")
self.inputs = {'X': x, 'target_tensor': target_tensor}
self.attrs = {}
bcast_dims = bcast(x, target_tensor)
output = np.tile(self.inputs['X'], bcast_dims)
self.outputs = {'Out': output}
def test_check_output(self):
self.check_output()
def test_check_grad(self):
self.check_grad(['X'], 'Out')
class TestExpandAsOpRank2(OpTest):
def setUp(self):
self.op_type = "expand_as"
x = np.random.rand(10, 12).astype("float64")
target_tensor = np.random.rand(20, 24).astype("float64")
self.inputs = {'X': x, 'target_tensor': target_tensor}
self.attrs = {}
bcast_dims = bcast(x, target_tensor)
output = np.tile(self.inputs['X'], bcast_dims)
self.outputs = {'Out': output}
def test_check_output(self):
self.check_output()
def test_check_grad(self):
self.check_grad(['X'], 'Out')
class TestExpandAsOpRank3(OpTest):
def setUp(self):
self.op_type = "expand_as"
x = np.random.rand(2, 3, 20).astype("float64")
target_tensor = np.random.rand(4, 6, 40).astype("float64")
self.inputs = {'X': x, 'target_tensor': target_tensor}
self.attrs = {}
bcast_dims = bcast(x, target_tensor)
output = np.tile(self.inputs['X'], bcast_dims)
self.outputs = {'Out': output}
def test_check_output(self):
self.check_output()
def test_check_grad(self):
self.check_grad(['X'], 'Out')
class TestExpandAsOpRank4(OpTest):
def setUp(self):
self.op_type = "expand_as"
x = np.random.rand(1, 1, 7, 16).astype("float64")
target_tensor = np.random.rand(4, 6, 14, 32).astype("float64")
self.inputs = {'X': x, 'target_tensor': target_tensor}
self.attrs = {}
bcast_dims = bcast(x, target_tensor)
output = np.tile(self.inputs['X'], bcast_dims)
self.outputs = {'Out': output}
def test_check_output(self):
self.check_output()
def test_check_grad(self):
self.check_grad(['X'], 'Out')
# Test dygraph API
class TestExpandAsDygraphAPI(unittest.TestCase):
def test_api(self):
import paddle
paddle.disable_static()
np_data_x = np.array([1, 2, 3]).astype('int32')
np_data_y = np.array([1, 2, 3, 1, 2, 3]).astype('int32')
data_x = paddle.to_tensor(np_data_x)
data_y = paddle.to_tensor(np_data_y)
out = fluid.layers.expand_as(data_x, data_y)
np_out = out.numpy()
assert np.array_equal(np_out, np.tile(np_data_x, (2)))
paddle.enable_static()
# Test python API
class TestExpandAsAPI(unittest.TestCase):
def test_api(self):
input1 = np.random.random([12, 14]).astype("float32")
input2 = np.random.random([48, 14]).astype("float32")
x = fluid.layers.data(
name='x', shape=[12, 14], append_batch_size=False, dtype="float32")
y = fluid.layers.data(
name='target_tensor',
shape=[48, 14],
append_batch_size=False,
dtype="float32")
out_1 = fluid.layers.expand_as(x, target_tensor=y)
exe = fluid.Executor(place=fluid.CPUPlace())
res_1 = exe.run(fluid.default_main_program(),
feed={"x": input1,
"target_tensor": input2},
fetch_list=[out_1])
assert np.array_equal(res_1[0], np.tile(input1, (4, 1)))
if __name__ == "__main__":
unittest.main()