BhlumiRandom.cxx

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#include "Bhlumi/BhlumiRandom.h"
 
#include "CLHEP/Random/RanluxEngine.h"
#include <iostream>
using namespace std;
using namespace CLHEP;
 
HepRandomEngine* BhlumiRandom::_randomEngine=0;
 
void BhlumiRandom::setRandomEngine(CLHEP::HepRandomEngine* randomEngine){
  _randomEngine=randomEngine;
}
 
double BhlumiRandom::random(){
 
  if (_randomEngine==0){
    cerr <<"No random engine available in "
               <<"BhlumiRandom::random()."<<endl;
  }
    return _randomEngine->flat();
  }
 
 
 
double BhlumiRandom::Flat( double min, double max){
 
  if ( min > max ) {
    cerr<< "min>max in BhlumiRandom::Flat(" << min << "," << max << ")" <<endl;
  }
 
  return BhlumiRandom::random()*( max - min )+min;
 
} 
 
double BhlumiRandom::Flat(double max){
 
  return max*BhlumiRandom::random();
 
} 
 
double BhlumiRandom::Flat(){
 
  return BhlumiRandom::random();
 
 } 
 
void BhlumiRandom::FlatArray(double* vect, const int size){
  if(_randomEngine == 0) cout<<"Can not get randomEngine pointer in BhlumiRandom::FlatArray"<<endl;
  else _randomEngine->flatArray(size,vect);
}