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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
from paddle.fluid import core
from paddle.static import program_guard, Program
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 TestFloatArangeOp(TestArangeOp):
def init_config(self):
self.dtype = np.float32
self.case = (0, 5, 1)
class TestInt32ArangeOp(TestArangeOp):
def init_config(self):
self.dtype = np.int32
self.case = (0, 5, 2)
class TestFloat64ArangeOp(TestArangeOp):
def init_config(self):
self.dtype = np.float64
self.case = (10, 1, -2)
class TestInt64ArangeOp(TestArangeOp):
def init_config(self):
self.dtype = np.int64
self.case = (-1, -10, -2)
class TestArangeOpError(unittest.TestCase):
def test_errors(self):
with program_guard(Program(), Program()):
self.assertRaises(TypeError, paddle.arange, 10, dtype='int8')
class TestArangeAPI(unittest.TestCase):
def test_out(self):
with program_guard(Program(), Program()):
x1 = paddle.arange(0, 5, 1, 'float32')
place = paddle.CUDAPlace(0) if core.is_compiled_with_cuda(
) else paddle.CPUPlace()
exe = paddle.static.Executor(place)
out = exe.run(fetch_list=[x1])
expected_data = np.arange(0, 5, 1).astype(np.float32)
self.assertEqual((out == expected_data).all(), True)
class TestArangeImperative(unittest.TestCase):
def test_out(self):
place = paddle.CUDAPlace(0) if core.is_compiled_with_cuda(
) else paddle.CPUPlace()
paddle.disable_static(place)
x1 = paddle.arange(0, 5, 1)
x2 = paddle.tensor.arange(5)
x3 = paddle.tensor.creation.arange(5)
start = paddle.to_tensor(np.array([0], 'float32'))
end = paddle.to_tensor(np.array([5], 'float32'))
step = paddle.to_tensor(np.array([1], 'float32'))
x4 = paddle.arange(start, end, step, 'int64')
paddle.enable_static()
expected_data = np.arange(0, 5, 1).astype(np.int64)
for i in [x1, x2, x3, x4]:
self.assertEqual((i.numpy() == expected_data).all(), True)
if __name__ == "__main__":
unittest.main()