QodeAssist/context/RAGSimilaritySearch.cpp
2025-02-09 00:04:44 +01:00

68 lines
1.9 KiB
C++

/*
* Copyright (C) 2024 Petr Mironychev
*
* This file is part of QodeAssist.
*
* QodeAssist is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* QodeAssist is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
*/
#include "RAGSimilaritySearch.hpp"
#include "logger/Logger.hpp"
#include <cmath>
namespace QodeAssist::Context {
float RAGSimilaritySearch::l2Distance(const RAGVector &v1, const RAGVector &v2)
{
if (v1.size() != v2.size()) {
LOG_MESSAGE(QString("Vector size mismatch: %1 vs %2").arg(v1.size()).arg(v2.size()));
return std::numeric_limits<float>::max();
}
float sum = 0.0f;
for (size_t i = 0; i < v1.size(); ++i) {
float diff = v1[i] - v2[i];
sum += diff * diff;
}
return std::sqrt(sum);
}
float RAGSimilaritySearch::cosineSimilarity(const RAGVector &v1, const RAGVector &v2)
{
if (v1.size() != v2.size()) {
LOG_MESSAGE(QString("Vector size mismatch: %1 vs %2").arg(v1.size()).arg(v2.size()));
return 0.0f;
}
float dotProduct = 0.0f;
float norm1 = 0.0f;
float norm2 = 0.0f;
for (size_t i = 0; i < v1.size(); ++i) {
dotProduct += v1[i] * v2[i];
norm1 += v1[i] * v1[i];
norm2 += v2[i] * v2[i];
}
norm1 = std::sqrt(norm1);
norm2 = std::sqrt(norm2);
if (norm1 == 0.0f || norm2 == 0.0f)
return 0.0f;
return dotProduct / (norm1 * norm2);
}
} // namespace QodeAssist::Context