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//////////////////////////////////////////////////////////////////////////
#include <iostream>
#include "CLHEP/Random/RandGauss.h"
#include "CLHEP/Random/RandGaussQ.h"
#include "CLHEP/Random/RandExponential.h"
#include "CLHEP/Random/RandGaussZiggurat.h"
#include "CLHEP/Random/RandExpZiggurat.h"
//_________________________________________________________________________
int main() {
std::ofstream output("testZiggurat.cout");
int ntest=10000000;
output << "DEBUG: ntest="<<ntest<<std::endl;
double sum_rnd1=0;
for(int i=0;i<ntest;++i) {
double g=CLHEP::RandGauss::shoot();
sum_rnd1+=g;
}
sum_rnd1/=ntest;
output << "DEBUG: avg RandGauss="<<sum_rnd1<<std::endl;
double sum_rnd2=0;
for(int i=0;i<ntest;++i) {
double g=CLHEP::RandGaussQ::shoot();
sum_rnd2+=g;
}
sum_rnd2/=ntest;
output << "DEBUG: avg RandGaussQ="<<sum_rnd2<<std::endl;
double sum_zig=0;
for(int i=0;i<ntest;++i) {
double g=CLHEP::RandGaussZiggurat::shoot();
sum_zig+=g;
}
sum_zig/=ntest;
output << "DEBUG: avg RandGaussZiggurat="<<sum_zig<<std::endl;
double sum_exp=0;
for(int i=0;i<ntest;++i) {
double g=CLHEP::RandExponential::shoot();
sum_exp+=g;
}
sum_exp/=ntest;
output << "DEBUG: avg RandExponential="<<sum_exp<<std::endl;
double sum_expZ=0;
for(int i=0;i<ntest;++i) {
double g=CLHEP::RandExpZiggurat::shoot();
sum_expZ+=g;
}
sum_expZ/=ntest;
output << "DEBUG: avg RandExpZiggurat="<<sum_expZ<<std::endl;
return 0;
}
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