mirror of https://github.com/alibaba/MNN.git
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
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//
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// ShapePack.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 PackComputer : 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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auto pack = op->main_as_PackParam();
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const int axis = pack->axis();
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if (inputs[0]->buffer().dimensions == 0) {
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MNN_ASSERT(axis == 0);
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}
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auto &input = inputs[0]->buffer();
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auto &output = outputs[0]->buffer();
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output.dimensions = input.dimensions + 1;
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output.type = input.type;
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for (int i = 0, j = 0; i < output.dimensions; i++) {
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if (i == axis) {
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output.dim[i].extent = (int)inputs.size();
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} else {
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output.dim[i].extent = input.dim[j].extent;
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j++;
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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(PackComputer, OpType_Pack);
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} // namespace MNN
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