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Paddle/python/paddle/fluid/tests/unittests/test_arange.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 paddle
import paddle.fluid as fluid
import unittest
import numpy as np
from op_test import OpTest
class TestArangeOp(OpTest):
def setUp(self):
self.op_type = "range"
self.init_config()
self.inputs = {
'Start': np.array([self.case[0]]).astype(self.dtype),
'End': np.array([self.case[1]]).astype(self.dtype),
'Step': np.array([self.case[2]]).astype(self.dtype)
}
self.outputs = {
'Out': np.arange(self.case[0], self.case[1],
self.case[2]).astype(self.dtype)
}
def init_config(self):
self.dtype = np.float32
self.case = (0, 1, 0.2)
def test_check_output(self):
self.check_output()
class TestFloatArangeOpCase0(TestArangeOp):
def init_config(self):
self.dtype = np.float32
self.case = (0, 5, 1)
class TestInt32ArangeOpCase0(TestArangeOp):
def init_config(self):
self.dtype = np.int32
self.case = (0, 5, 2)
class TestInt32ArangeOpCase1(TestArangeOp):
def init_config(self):
self.dtype = np.int32
self.case = (10, 1, -2)
class TestInt32ArangeOpCase2(TestArangeOp):
def init_config(self):
self.dtype = np.int32
self.case = (-1, -10, -2)
class TestArangeAPI(unittest.TestCase):
def test_out(self):
with fluid.program_guard(fluid.Program()):
data = paddle.arange(0, 5, 1)
place = fluid.CPUPlace()
exe = fluid.Executor(place)
result, = exe.run(fetch_list=[data])
expected_data = np.arange(0, 5, 1).astype(np.float32)
self.assertEqual((result == expected_data).all(), True)
with fluid.program_guard(fluid.Program()):
data = paddle.arange(0.0, 5.0, 1.0, 'int32')
place = fluid.CPUPlace()
exe = fluid.Executor(place)
result, = exe.run(fetch_list=[data])
expected_data = np.arange(0, 5, 1).astype(np.int32)
self.assertEqual((result == expected_data).all(), True)
if __name__ == "__main__":
unittest.main()