text: // Copyright (c) 2019 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.
  
  #include "lite/operators/shuffle_channel_op.h"
  #include "lite/core/op_lite.h"
  #include "lite/core/op_registry.h"
  #include "lite/core/tensor.h"
  
  namespace paddle {
  namespace lite {
  namespace operators {
  
  bool ShuffleChannelOpLite::CheckShape() const {
    CHECK_OR_FALSE(param_.X);
    CHECK_OR_FALSE(param_.Out);
    return true;
  }
  
  bool ShuffleChannelOpLite::InferShapeImpl() const {
    param_.Out->Resize(param_.X->dims());
    return true;
  }
  
  bool ShuffleChannelOpLite::AttachImpl(const cpp::OpDesc& op_desc,
                                        lite::Scope* scope) {
    auto X = op_desc.Input("X").front();
    auto Out = op_desc.Output("Out").front();
    param_.X = scope->FindVar(X)->GetMutable<lite::Tensor>();
    param_.Out = scope->FindVar(Out)->GetMutable<lite::Tensor>();
    param_.group = op_desc.GetAttr<int>("group");
    CHECK(param_.X);
    CHECK(param_.Out);
    return true;
  }
  
  }  // namespace operators
  }  // namespace lite
  }  // namespace paddle
  
  REGISTER_LITE_OP(shuffle_channel,
                   paddle::lite::operators::ShuffleChannelOpLite);
  