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- # 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.
- # ============================================================================
-
- """grad base functions"""
-
- from .._register_for_op import Registry
-
-
- bprop_getters = Registry()
- bprops = Registry()
-
-
- def get_bprop_fn(prim):
- """get bprop function by primitive obj or prim name for c++"""
- out = bprop_getters.get(prim, None)
- if out:
- return out(prim)
- return bprops.get(prim, None)
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