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

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4.1 KiB

# 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 numpy as np
from op_test import OpTest, skip_check_grad_ci, check_out_dtype
import paddle
import paddle.fluid.core as core
class ApiMaxTest(unittest.TestCase):
def setUp(self):
if core.is_compiled_with_cuda():
self.place = core.CUDAPlace(0)
else:
self.place = core.CPUPlace()
def test_api(self):
paddle.enable_static()
with paddle.static.program_guard(paddle.static.Program(),
paddle.static.Program()):
data = paddle.static.data("data", shape=[10, 10], dtype="float32")
result_max = paddle.max(x=data, axis=1)
exe = paddle.static.Executor(self.place)
input_data = np.random.rand(10, 10).astype(np.float32)
res, = exe.run(feed={"data": input_data}, fetch_list=[result_max])
self.assertEqual((res == np.max(input_data, axis=1)).all(), True)
with paddle.static.program_guard(paddle.static.Program(),
paddle.static.Program()):
data = paddle.static.data("data", shape=[10, 10], dtype="int64")
result_max = paddle.max(x=data, axis=0)
exe = paddle.static.Executor(self.place)
input_data = np.random.randint(10, size=(10, 10)).astype(np.int64)
res, = exe.run(feed={"data": input_data}, fetch_list=[result_max])
self.assertEqual((res == np.max(input_data, axis=0)).all(), True)
with paddle.static.program_guard(paddle.static.Program(),
paddle.static.Program()):
data = paddle.static.data("data", shape=[10, 10], dtype="int64")
result_max = paddle.max(x=data, axis=(0, 1))
exe = paddle.static.Executor(self.place)
input_data = np.random.randint(10, size=(10, 10)).astype(np.int64)
res, = exe.run(feed={"data": input_data}, fetch_list=[result_max])
self.assertEqual((res == np.max(input_data, axis=(0, 1))).all(), True)
def test_errors(self):
paddle.enable_static()
def test_input_type():
with paddle.static.program_guard(paddle.static.Program(),
paddle.static.Program()):
data = np.random.rand(10, 10)
result_max = paddle.max(x=data, axis=0)
self.assertRaises(TypeError, test_input_type)
def test_axis_type():
with paddle.static.program_guard(paddle.static.Program(),
paddle.static.Program()):
data = paddle.static.data("data", shape=[10, 10], dtype="int64")
axis = paddle.static.data("axis", shape=[10, 10], dtype="int64")
result_min = paddle.min(data, axis)
self.assertRaises(TypeError, test_axis_type)
def test_imperative_api(self):
paddle.disable_static()
np_x = np.array([10, 10]).astype('float64')
x = paddle.to_tensor(np_x)
z = paddle.max(x, axis=0)
np_z = z.numpy()
z_expected = np.array(np.max(np_x, axis=0))
self.assertEqual((np_z == z_expected).all(), True)
class TestOutDtype(unittest.TestCase):
def test_max(self):
api_fn = paddle.max
shape = [10, 16]
check_out_dtype(
api_fn,
in_specs=[(shape, )],
expect_dtypes=['float32', 'float64', 'int32', 'int64'])
if __name__ == '__main__':
unittest.main()