som.h

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/* This file is part of SOMHunter.
 *
 * Copyright (C) 2021 Frantisek Mejzlik <frankmejzlik@protonmail.com>
 *                    Mirek Kratochvil <exa.exa@gmail.com>
 *                    Patrik Vesely <prtrikvesely@gmail.com>
 *
 * SOMHunter 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 2 of the License, or (at your option)
 * any later version.
 *
 * SOMHunter 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
 * SOMHunter. If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef embedsom_h
#define embedsom_h
 
#include <random>
#include <vector>
 
namespace sh {
void fit_SOM(size_t _size, size_t k, size_t dim, size_t niter, const std::vector<float>& points,
             std::vector<float>& koho, const std::vector<float>& nhbrdist, const float alphasA[2],
             const float radiiA[2], const float alphasB[2], const float radiiB[2], const std::vector<float>& scores,
             const std::vector<bool>& present_mask, std::mt19937& rng);
 
void map_points_to_kohos(size_t start, size_t end, size_t k, size_t dim, const std::vector<float>& points,
                         const std::vector<float>& koho, std::vector<size_t>& mapping,
                         const std::vector<bool>& present_mask);
 
};  // namespace sh
#endif