double LogNormalHyperPrior::init() {
boost::random::lognormal_distribution<> lognormal_dist(location, scale);
boost::random::variate_generator<boost::random::mt19937*, boost::random::lognormal_distribution<> > sample_gamma(mt_rng_pt, lognormal_dist);
double gamma = sample_gamma();
return gamma;
}
/*
this function creates a random realization of the mean data rate of a background-session
input:
output: - random realization of R_s (B/s)
*/
double backgroundRateRnd(){
double rate;
rate=pow(10,lognormal_dist(1.3525, 0.1954))/8; /*Byte/s*/;
if(rate>BACKGROUND_RATE_MAX){
rate=BACKGROUND_RATE_MAX;
}else if(rate<0){
rate=0;
}
return rate;
}
