# 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.

"""operator dsl function: scatter_nd_ad"""

import akg
from test_op import scatter_nd


def scatter_nd_ad(head, indices, updates, shape):
    b = scatter_nd.scatter_nd(indices, updates, shape)
    _jacs = list(akg.differentiate(b, [updates], head))
    return _jacs[0]