mindspore/tests/ut/python/exec/test_assign_sub.py

46 lines
1.4 KiB
Python

# Copyright 2020 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
"""
test assign sub
"""
import numpy as np
import mindspore.context as context
import mindspore.nn as nn
import mindspore.ops.operations as P
from mindspore import Tensor
from mindspore.common.initializer import initializer
from mindspore.common.parameter import Parameter
context.set_context(mode=context.GRAPH_MODE)
class Net(nn.Cell):
def __init__(self):
super(Net, self).__init__()
self.b = Parameter(initializer('ones', [5]), name='b')
self.sub = P.AssignSub()
def construct(self, value):
return self.sub(self.b, value)
def test_net():
net = Net()
input_data = Tensor(np.ones([5]).astype(np.float32))
output = net(input_data)
print(output.asnumpy().shape)
print(output.asnumpy())