marvin_Random.h

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// This file is part of the Marvin open source library and is licensed under the terms of the MIT License.
//
// ========================================================================================================
 
#ifndef SLMADSP_RANDOM_H
#define SLMADSP_RANDOM_H
#include "marvin/library/marvin_Concepts.h"
#include "marvin/utils/marvin_Range.h"
#include <random>
namespace marvin::utils {
    template <RandomEngineType Engine>
    class RandomGenerator final {
    public:
        explicit RandomGenerator(std::random_device& rd);

        auto setSeed(std::seed_seq seedSequence) -> void;

        auto setSeed(int seed) -> void;

        template <NumericType T>
        [[nodiscard]] T generate(Range<T> range) noexcept {
            Distribution<T> distribution{ range.min, range.max };
            const auto res = distribution(m_rng);
            return res;
        }
 
 
    private:
        template <class T>
        using Distribution = std::conditional_t<std::is_floating_point_v<T>,
                                                std::uniform_real_distribution<T>,
                                                std::uniform_int_distribution<T>>;
        Engine m_rng;
    };
 
    // Default, to not break existing codebases..
    using Random = RandomGenerator<std::mt19937>;
 
 
} // namespace marvin::utils
#endif