gamma_sampler.h

 
#ifndef STOCHTREE_GAMMA_SAMPLER_H_
#define STOCHTREE_GAMMA_SAMPLER_H_
 
#include <stochtree/distributions.h>
#include <random>
 
namespace StochTree {
 
class GammaSampler {
 public:
  GammaSampler() {}
  ~GammaSampler() {}
  double Sample(double a, double b, std::mt19937& gen, bool rate_param = true) {
    double scale = rate_param ? 1. / b : b;
    return sample_gamma(gen, a, scale);
  }
};
 
}  // namespace StochTree
 
#endif  // STOCHTREE_GAMMA_SAMPLER_H_