TrigAnalysis/TrigInDetAnalysisUser/Resplot/src/Random.h

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/* emacs: this is -*- c++ -*- */
#ifndef   RANDOM_H
#define   RANDOM_H
 
#include <iostream>
 
#include "TRandom3.h"
 
class Random : TRandom3 {
 
public:
 
  static Random& RandomBuilder() { 
    static Random _r;
    return _r;
  }
 
  //  virtual ~Random() { delete m_rand; } 
  virtual ~Random() { } 
  
  static double exp()     { return RandomBuilder().Exp(1); } 
  static double gauss()   { return RandomBuilder().Gaus(); } 
  static double uniform() { return RandomBuilder().Uniform(); } 
 
 
private:
  
  Random(int seed=4357) : TRandom3(seed) { } 
 
};
 
inline std::ostream& operator<<( std::ostream& s, const Random& _r ) { 
  return s;
}
 
 
 
#endif  //   RANDOM_H