Normal.hpp

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#pragma once
 
#include <optional>
#include <vector>
 
#include "stats/Stats.hpp"
 
namespace ppforest2::stats {
  class Normal {
  private:
    float mean;
    float std_dev;
 
    std::optional<float> cached_z;

    double gen_unif01(RNG& rng);

    float denormalize(float z);
 
  public:
    Normal(float mean, float std_dev);

    float operator()(RNG& rng);

    std::vector<float> operator()(int count, RNG& rng);
  };
}