BhlumiRandom.cxx

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#include "BhlumiRandom.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 );
}