mirror of https://github.com/alibaba/MNN.git
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
//
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// ShapePadding.cpp
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// MNN
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//
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// Created by MNN on 2019/6/24.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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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 PaddingComputer : 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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if ((2 != inputs.size() && 3 != inputs.size()) || 1 != outputs.size()) {
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MNN_ERROR("Padding inputs or outputs number error: %d -> %d\n", (int)inputs.size(), (int)outputs.size());
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return false;
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}
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auto input = inputs[0];
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auto paddings = inputs[1];
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auto output = outputs[0];
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output->buffer().type = input->buffer().type;
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TensorUtils::copyShape(input, output, true);
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auto size = paddings->elementSize();
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if (size < output->dimensions() * 2) {
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MNN_ERROR("Padding blob size not match output's dimension\n");
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return false;
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}
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auto paddingPtr = paddings->host<int32_t>();
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auto dimensions = input->dimensions();
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for (int i = 0; i < dimensions; ++i) {
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output->setLength(i, input->length(i) + paddingPtr[2 * i] + paddingPtr[2 * i + 1]);
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}
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return true;
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}
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};
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REGISTER_SHAPE_INPUTS(PaddingComputer, OpType_Padding, {1});
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} // namespace MNN
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