mirror of https://github.com/alibaba/MNN.git
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
//
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// ShapeShape.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 "core/Macro.h"
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#include "core/SizeComputer.hpp"
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#include "core/TensorUtils.hpp"
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namespace MNN {
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class ShapeSizeComputer : 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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auto& ib = inputs[0]->buffer();
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auto& ob = outputs[0]->buffer();
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for (int i = 0; i < ib.dimensions; i++) {
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if (ib.dim[i].extent <= 0) {
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return false;
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}
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}
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ob.dimensions = 1;
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outputs[0]->setType(DataType_DT_INT32);
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TensorUtils::getDescribe(outputs[0])->dimensionFormat = op->defaultDimentionFormat();
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auto inputFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
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if (inputFormat == MNN_DATA_FORMAT_NC4HW4) {
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ob.dim[0].extent = 4;
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} else {
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ob.dim[0].extent = ib.dimensions;
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}
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return true;
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}
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};
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REGISTER_SHAPE(ShapeSizeComputer, OpType_Shape);
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} // namespace MNN
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