Method NBinomGenerator

inst/include/Rcpp/stats/random/rnbinom.h:31–32

public:

    NBinomGenerator( double siz_, double prob_ ) :
        siz(siz_), lambda( (1-prob_)/prob_ ) {}

    inline double operator()() const {
        return ::Rf_rpois( ::Rf_rgamma( siz, lambda ) ) ;