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/*
* Copyright © 2019 Dynare Team
*
* This file is part of Dynare.
*
* Dynare 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.
*
* Dynare 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 Dynare. If not, see <https://www.gnu.org/licenses/>.
*/
#include "seed_generator.hh"
#include <limits>
#include <mutex>
namespace seed_generator
{
std::mutex mut;
std::mt19937 rng;
std::uniform_int_distribution<std::mt19937::result_type> seed_generator(std::numeric_limits<std::mt19937::result_type>::min(),
std::numeric_limits<std::mt19937::result_type>::max());
std::mt19937::result_type
get_new_seed()
{
std::lock_guard<std::mutex> lk{mut};
return seed_generator(rng);
}
void
set_meta_seed(std::mt19937::result_type s)
{
std::lock_guard<std::mutex> lk{mut};
rng.seed(s);
}
};
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