text: // Copyright (C) 2018 Intel Corporation
  // SPDX-License-Identifier: Apache-2.0
  //
  
  #pragma once
  
  #include <description_buffer.hpp>
  #include "ie_built_in_impl.hpp"
  #include <ie_layers.h>
  #include <map>
  #include <memory>
  #include <string>
  #include <vector>
  
  namespace InferenceEngine {
  namespace ShapeInfer {
  
  /**
   *@brief Implementation of Shape inference for ReorgYolo layer
   */
  class ReorgYoloShapeProp : public BuiltInShapeInferImpl {
  public:
      explicit ReorgYoloShapeProp(const std::string& type) : BuiltInShapeInferImpl(type) {}
  
      void inferShapesImpl(const std::vector<SizeVector>& inShapes,
                           const std::map<std::string, std::string>& params,
                           const std::map<std::string, Blob::Ptr>& blobs,
                           std::vector<SizeVector>& outShapes) override {
          LayerParams lp{};
          CNNLayer cnnLayer(lp);
          cnnLayer.params = params;
          cnnLayer.type = _type;
          validate(&cnnLayer, inShapes, params, blobs);
          size_t stride = static_cast<size_t>(cnnLayer.GetParamAsInt("stride"));
          SizeVector outShape;
          for (size_t i = 0; i < inShapes[0].size(); i++) {
              outShape.push_back(inShapes[0][i]);
              if (i == 1) {
                  outShape[outShape.size() - 1] *= stride * stride;
              } else if (i > 1) {
                  outShape[outShape.size() - 1] /= stride;
              }
          }
          outShapes.push_back(outShape);
      }
  };
  
  }  // namespace ShapeInfer
  }  // namespace InferenceEngine
  