# Copyright 2019 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.
# ============================================================================
import numpy as np

import mindspore.context as context
import mindspore.nn as nn
from mindspore.common.api import ms_function
from mindspore.ops.operations import _grad_ops as G

context.set_context(device_target="Ascend")


class Net(nn.Cell):
    def __init__(self):
        super(Net, self).__init__()
        self.bias_add_grad = G.BiasAddGrad()

    @ms_function
    def construct(self, dout):
        return self.bias_add_grad(dout)


def test_net():
    dout = np.random.rand(1, 1001).astype(np.float32)
    bias_add_grad = Net()
    output = bias_add_grad(dout)
    print(output.asnumpy())