Efim Beshmenev
22 lines
1.0 KiB
C++
22 lines
1.0 KiB
C++
#pragma once
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#include "util.h"
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#include <random>
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//using RNG = std::mt19937;
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using RNG = std::minstd_rand;
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extern RNG eng;
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void set_rand_seed(int seed);
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void add_random_noise(const VectorXd& x, double sigma, VectorXd& result);
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void set_random_mags(VectorXd& x, double sigma);
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void initialize_random_noise(VectorXd& x, double sigma, size_t size);
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void initialize_random_noise(std::vector<std::pair<double, VectorXd>>& xvec, double sigma, bool dual_problem);
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void initialize_random_noise(std::vector<std::pair<double, VectorXd>>& xvec, const VectorXd& guess, double sigma);
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VectorXd shuffle_x(const VectorXd& x);
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void make_symmetric_o4(VectorXd& x);
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double my_optimizer(double (*objective_function)(const VectorXd&), VectorXd& result, int max_iters,
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double sigma, double beta, int clusters, bool use_symmetry, bool dual_problem);
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void study_sample(double (*objective_function)(const VectorXd&), VectorXd& result, int max_iters,
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int clusters, double sigma, double beta, bool use_symmetry);
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