inference-engine/src/inference_engine/shape_infer/built-in/ie_eltwise_shape_infer.hpp

   1 // Copyright (C) 2018-2019 Intel Corporation
   2 // SPDX-License-Identifier: Apache-2.0
   3 //
   4
   5 #pragma once
   6
   7 #include "ie_built_in_impl.hpp"
   8 #include <map>
   9 #include <memory>
  10 #include <string>
  11 #include <vector>
  12 #include <algorithm>
  13
  14 namespace InferenceEngine {
  15 namespace ShapeInfer {
  16
  17 /**
  18  *@brief Implementation of Shape inference for EltWise layer
  19  */
  20 class EltWiseShapeProp : public BuiltInShapeInferImpl {
  21 public:
  22     explicit EltWiseShapeProp(const std::string& type) : BuiltInShapeInferImpl(type) {}
  23
  24     void inferShapesImpl(const std::vector<Blob::CPtr>& inBlobs,
  25                          const std::map<std::string, std::string>& params,
  26                          const std::map<std::string, Blob::Ptr>& blobs,
  27                          std::vector<SizeVector>& outShapes) override {
  28         LayerParams lp{};
  29         EltwiseLayer eltwiseLayer(lp);
  30         eltwiseLayer.params = params;
  31         eltwiseLayer.type = _type;
  32         validate(&eltwiseLayer, inBlobs, params, blobs);
  33
  34         if (inShapes.size() == 1) {
  35             outShapes.push_back(inShapes[0]);
  36         } else {
  37             SizeVector outShape((std::max)(inShapes[0], inShapes[1]));
  38             for (size_t ind = 0; ind < outShape.size(); ++ind) {
  39                 if (ind < inShapes[0].size() && ind < inShapes[1].size()) {
  40                     outShape[ind] = (std::max)(inShapes[0][ind], inShapes[1][ind]);
  41                 } else if (ind >= inShapes[0].size()) {
  42                     outShape[ind] = inShapes[1][ind];
  43                 } else {
  44                     outShape[ind] = inShapes[0][ind];
  45                 }
  46             }
  47             outShapes.push_back(outShape);
  48         }
  49     }
  50 };
  51
  52 }  // namespace ShapeInfer
  53 }  // namespace InferenceEngine