#include <random>
#include <chrono>
#include <GaussianRNG.h>
 

GaussianRNG::
GaussianRNG(
        float mean,
        float std_dev,
        unsigned seed
) {
    this->seed = seed;
    this->generator = std::default_random_engine(this->seed);
    this->distribution = std::normal_distribution<float>(mean, std_dev);
}

GaussianRNG
::GaussianRNG(
        float mean,
        float std_dev
) {
    this->seed = std::chrono::system_clock::now().time_since_epoch().count();
    this->generator = std::default_random_engine(this->seed);
    this->distribution = std::normal_distribution<float>(mean, std_dev);
}

float GaussianRNG
::generate() {
    return distribution(generator);
}