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

   1 // Copyright (C) 2018 Intel Corporation
   2 //
   3 // SPDX-License-Identifier: Apache-2.0
   4 //
   5
   6 #pragma once
   7
   8 #include <description_buffer.hpp>
   9 #include <ie_layer_validators.hpp>
  10 #include "impl_register.hpp"
  11 #include <ie_layers.h>
  12 #include <map>
  13 #include <memory>
  14 #include <string>
  15 #include <vector>
  16
  17 namespace InferenceEngine {
  18 namespace ShapeInfer {
  19
  20 /**
  21  *@brief Implementation of Shape inference for Permute layer
  22  */
  23 class PermuteShapeProp : public BuiltInShapeInferImpl {
  24 public:
  25     explicit PermuteShapeProp(const std::string& type) : BuiltInShapeInferImpl(type) {}
  26
  27     void inferShapesImpl(const std::vector<SizeVector>& inShapes,
  28                          const std::map<std::string, std::string>& params,
  29                          const std::map<std::string, Blob::Ptr>& blobs,
  30                          std::vector<SizeVector>& outShapes) override {
  31         LayerParams lp{};
  32         CNNLayer permuteLayer(lp);
  33         permuteLayer.params = params;
  34         permuteLayer.type = _type;
  35         validate(&permuteLayer, inShapes, params, blobs);
  36
  37         std::vector<size_t> order;
  38         std::vector<int> layerOrder = permuteLayer.GetParamAsInts("order");
  39         for (auto ord : layerOrder)
  40             order.push_back(static_cast<size_t>(ord));
  41
  42         SizeVector outShape;
  43         for (size_t i = 0; i < inShapes[0].size(); i++) {
  44             outShape.push_back(inShapes[0][order[i]]);
  45         }
  46         outShapes.emplace_back(outShape);
  47     }
  48 };
  49
  50 }  // namespace ShapeInfer
  51 }  // namespace InferenceEngine