mirror of https://github.com/alibaba/MNN.git
42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
//
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// ShapeUnravelIndex.cpp
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// MNN
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//
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// Created by MNN on 2019/11/26.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "shape/SizeComputer.hpp"
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#include "core/Macro.h"
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namespace MNN {
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class UnravelIndexSize : 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(2 == inputs.size());
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auto indices = inputs[0];
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auto dims = inputs[1];
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auto output = outputs[0];
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MNN_CHECK(dims->dimensions() == 1, "dims should be one dimension tensor!");
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const int inputDimension = indices->dimensions();
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output->setType(DataType_DT_INT32);
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if (inputDimension == 0) {
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output->buffer().dimensions = 1;
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output->setLength(0, dims->length(0));
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} else {
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output->buffer().dimensions = 2;
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output->setLength(0, dims->length(0));
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output->setLength(1, indices->elementSize());
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}
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return true;
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}
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};
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REGISTER_SHAPE(UnravelIndexSize, OpType_UnravelIndex);
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} // namespace MNN
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