43 строки
1.5 KiB
C++
43 строки
1.5 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#include "segment_extraction.hpp"
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OrtStatusPtr segment_extraction(const ortc::Tensor<int64_t>& input,
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ortc::Tensor<int64_t>& output0,
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ortc::Tensor<int64_t>& output1) {
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auto& input_dim = input.Shape();
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if (!((input_dim.size() == 1) || (input_dim.size() == 2 && input_dim[0] == 1))) {
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return OrtW::CreateStatus("[SegmentExtraction]: Expect input dimension [n] or [1,n].", ORT_INVALID_GRAPH);
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}
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const int64_t* p_data = input.Data();
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std::vector<std::int64_t> segment_value;
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std::vector<std::int64_t> segment_position;
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for (std::int64_t i = 0; i < input.NumberOfElement(); i++) {
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if (!p_data[i]) {
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continue;
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}
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// push start position and value
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if (i == 0 || p_data[i - 1] != p_data[i]) {
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segment_value.push_back(p_data[i]);
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segment_position.push_back(i);
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}
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// push end position
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if (i == (input.NumberOfElement() - 1) || p_data[i + 1] != p_data[i]) {
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segment_position.push_back(i + 1);
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}
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}
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std::vector<int64_t> segment_value_dim({static_cast<int64_t>(segment_value.size())});
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std::vector<int64_t> segment_position_dim({static_cast<int64_t>(segment_value.size()), 2});
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int64_t* out0_data = output0.Allocate(segment_position_dim);
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std::copy(segment_position.begin(), segment_position.end(), out0_data);
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int64_t* out1_data = output1.Allocate(segment_value_dim);
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std::copy(segment_value.begin(), segment_value.end(), out1_data);
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return nullptr;
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}
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