62 …inline bool check_mean(const char* function, const RealType& mean, RealType* result, const Policy&…  in check_mean()  argument
64         if(!(boost::math::isfinite)(mean) || (mean < 0))  in check_mean()
68             "Mean argument is %1%, but must be >= 0 !", mean, pol);  in check_mean()
75 …inline bool check_mean_NZ(const char* function, const RealType& mean, RealType* result, const Poli…  in check_mean_NZ()  argument
77         if( !(boost::math::isfinite)(mean) || (mean <= 0))  in check_mean_NZ()
81             "Mean argument is %1%, but must be > 0 !", mean, pol);  in check_mean_NZ()
88 …inline bool check_dist(const char* function, const RealType& mean, RealType* result, const Policy&…  in check_dist()  argument
90         return check_mean_NZ(function, mean, result, pol);  in check_dist()
107 …inline bool check_dist_and_k(const char* function, RealType mean, RealType k, RealType* result, co…  in check_dist_and_k()  argument
109         if((check_dist(function, mean, result, pol) == false) ||  in check_dist_and_k()
131 …inline bool check_dist_and_prob(const char* function, RealType mean,  RealType p, RealType* result…  in check_dist_and_prob()  argument
133         if((check_dist(function, mean, result, pol) == false) ||  in check_dist_and_prob()
159       RealType mean() const  in mean()  function in boost::math::poisson_distribution
188     inline RealType mean(const poisson_distribution<RealType, Policy>& dist)  in mean()  function
190       return dist.mean();  in mean()
197       return floor(dist.mean());  in mode()
213       return dist.mean();  in variance()
223       return 1 / sqrt(dist.mean());  in skewness()
229       return 1 / dist.mean(); // kurtosis_excess 1/mean from Wiki & MathWorld eq 31.  in kurtosis_excess()
241       return 3 + 1 / dist.mean(); // NIST.  in kurtosis()
255       RealType mean = dist.mean();
260         mean,
268       if (mean == 0)
274         return exp(-mean);
276       return boost::math::gamma_p_derivative(k+1, mean, Policy());
301       RealType mean = dist.mean();
306         mean,
313       if (mean == 0)
321        return exp(-mean);
327       return gamma_q(k+1, mean, Policy());
352       RealType mean = dist.mean();
358         mean,
365       if (mean == 0)
371          return -boost::math::expm1(-mean, Policy());
376       return gamma_p(k + 1, mean, Policy()); // Calculate Poisson cdf using the gamma_p function.
394       if (dist.mean() == 0)  in quantile()
398          dist.mean(),  in quantile()
415       RealType z = dist.mean();  in quantile()
464       if (dist.mean() == 0)  in quantile()
468          dist.mean(),  in quantile()
485       RealType z = dist.mean();  in quantile()