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

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# Copyright (c) 2020 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 paddle
import numpy as np
import paddle.fluid.core as core
from op_test import OpTest
import paddle.fluid as fluid
from paddle.fluid import Program, program_guard
class TestRollOp(OpTest):
def setUp(self):
self.op_type = "roll"
self.init_dtype_type()
self.inputs = {'X': np.random.random(self.x_shape).astype(self.dtype)}
self.attrs = {'shifts': self.shifts, 'axis': self.axis}
self.outputs = {
'Out': np.roll(self.inputs['X'], self.attrs['shifts'],
self.attrs['axis'])
}
def init_dtype_type(self):
self.dtype = np.float64
self.x_shape = (100, 4, 5)
self.shifts = [101, -1]
self.axis = [0, -2]
def test_check_output(self):
self.check_output()
def test_check_grad_normal(self):
self.check_grad(['X'], 'Out')
class TestRollOpCase2(TestRollOp):
def init_dtype_type(self):
self.dtype = np.float32
self.x_shape = (100, 10, 5)
self.shifts = [8, -1]
self.axis = [-1, -2]
class TestRollAPI(unittest.TestCase):
def input_data(self):
self.data_x = np.array(
[[1.0, 2.0, 3.0], [4.0, 5.0, 6.0], [7.0, 8.0, 9.0]])
def test_roll_op_api(self):
self.input_data()
# case 1:
with program_guard(Program(), Program()):
x = fluid.layers.data(name='x', shape=[-1, 3])
z = paddle.roll(x, shifts=1)
exe = fluid.Executor(fluid.CPUPlace())
res, = exe.run(feed={'x': self.data_x},
fetch_list=[z.name],
return_numpy=False)
expect_out = np.array([[9.0, 1.0, 2.0], [3.0, 4.0, 5.0],
[6.0, 7.0, 8.0]])
self.assertTrue(np.allclose(expect_out, np.array(res)))
# case 2:
with program_guard(Program(), Program()):
x = fluid.layers.data(name='x', shape=[-1, 3])
z = paddle.roll(x, shifts=1, axis=0)
exe = fluid.Executor(fluid.CPUPlace())
res, = exe.run(feed={'x': self.data_x},
fetch_list=[z.name],
return_numpy=False)
expect_out = np.array([[7.0, 8.0, 9.0], [1.0, 2.0, 3.0],
[4.0, 5.0, 6.0]])
self.assertTrue(np.allclose(expect_out, np.array(res)))
def test_dygraph_api(self):
self.input_data()
# case 1:
with fluid.dygraph.guard():
x = fluid.dygraph.to_variable(self.data_x)
z = paddle.roll(x, shifts=1)
np_z = z.numpy()
expect_out = np.array([[9.0, 1.0, 2.0], [3.0, 4.0, 5.0],
[6.0, 7.0, 8.0]])
self.assertTrue(np.allclose(expect_out, np_z))
# case 2:
with fluid.dygraph.guard():
x = fluid.dygraph.to_variable(self.data_x)
z = paddle.roll(x, shifts=1, axis=0)
np_z = z.numpy()
expect_out = np.array([[7.0, 8.0, 9.0], [1.0, 2.0, 3.0],
[4.0, 5.0, 6.0]])
self.assertTrue(np.allclose(expect_out, np_z))
def test_roll_op_false(self):
self.input_data()
def test_axis_out_range():
with program_guard(Program(), Program()):
x = fluid.layers.data(name='x', shape=[-1, 3])
z = paddle.roll(x, shifts=1, axis=10)
exe = fluid.Executor(fluid.CPUPlace())
res, = exe.run(feed={'x': self.data_x},
fetch_list=[z.name],
return_numpy=False)
self.assertRaises(ValueError, test_axis_out_range)
if __name__ == "__main__":
unittest.main()