mirror of https://github.com/alibaba/MNN.git
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
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//
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// ShapeScatterNd.cpp
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// MNN
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//
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// Created by MNN on 2019/11/27.
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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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namespace MNN {
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// Size Computer
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class ShapeScatterNd : public SizeComputer {
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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(3 == inputs.size());
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auto indices = inputs[0];
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auto updates = inputs[1];
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auto shape = inputs[2];
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auto output = outputs[0];
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MNN_CHECK(shape->dimensions() == 1, "shape rank should be one");
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const int indicesDimension = indices->dimensions();
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MNN_CHECK(indices->length(indicesDimension - 1) == 1, "indices.shape[-1] = shape.rank");
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const int outerDims = indicesDimension - 1;
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for (int i = 0; i < outerDims; ++i) {
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MNN_CHECK(indices->length(i) == updates->length(i), "indices shape does not match updates'");
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}
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const int dimension = shape->length(0);
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MNN_CHECK(updates->dimensions() == dimension, "updates dimension should be equal to given shape");
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output->buffer().dimensions = dimension;
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auto shapeData = shape->host<int>();
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for (int i = 0; i < dimension; ++i) {
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output->setLength(i, shapeData[i]);
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}
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output->buffer().type = updates->buffer().type;
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TensorUtils::getDescribe(output)->dimensionFormat = TensorUtils::getDescribe(updates)->dimensionFormat;
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return true;
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}
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};
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REGISTER_SHAPE_INPUTS(ShapeScatterNd, OpType_ScatterNd, (std::vector<int>{2}));
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} // namespace MNN
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