mirror of https://github.com/alibaba/MNN.git
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
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//
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// ShapeSqueeze.cpp
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// MNN
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//
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// Created by MNN on 2019/01/10.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "Macro.h"
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#include "SizeComputer.hpp"
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namespace MNN {
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class SqueezeSizeComputer : public SizeComputer {
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virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
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const std::vector<Tensor*>& outputs) const override {
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MNN_ASSERT(1 == inputs.size());
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MNN_ASSERT(1 == outputs.size());
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const int* squeezeDim = op->main_as_SqueezeParam()->squeezeDims()->data();
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const int squeezeDimSize = op->main_as_SqueezeParam()->squeezeDims()->size();
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std::set<int> dimSet;
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for (int i = 0; i < squeezeDimSize; i++) {
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dimSet.insert(squeezeDim[i]);
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}
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auto& ob = outputs[0]->buffer();
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auto ib = inputs[0]->buffer();
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MNN_ASSERT(squeezeDimSize < ib.dimensions);
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ob.dimensions = ib.dimensions - squeezeDimSize;
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int oDim = 0;
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for (int i = 0; i < ib.dimensions; i++) {
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if (dimSet.find(i) == dimSet.end()) {
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ob.dim[oDim].extent = ib.dim[i].extent;
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oDim++;
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}
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}
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return true;
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}
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};
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REGISTER_SHAPE(SqueezeSizeComputer, OpType_Squeeze);
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} // namespace MNN
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