RooRandom

class description - source file - inheritance tree (.pdf)

class RooRandom

Inheritance Chart:

RooRandom

    private:

                RooRandom()

    public:

                                      RooRandom(const RooRandom&)
                              virtual ~RooRandom()
                       static TClass* Class()
                      static Double_t gaussian(TRandom* generator = randomGenerator())
                        static UInt_t integer(UInt_t max, TRandom* generator = randomGenerator())
                      virtual TClass* IsA() const
                           RooRandom& operator=(const RooRandom&)
                        static Bool_t quasi(UInt_t dimension, Double_t* vector, RooQuasiRandomGenerator* generator = quasiGenerator())
      static RooQuasiRandomGenerator* quasiGenerator()
                      static TRandom* randomGenerator()
                         virtual void ShowMembers(TMemberInspector& insp, char* parent)
                         virtual void Streamer(TBuffer& b)
                                 void StreamerNVirtual(TBuffer& b)
                      static Double_t uniform(TRandom* generator = randomGenerator())
                          static void uniform(UInt_t dimension, Double_t* vector, TRandom* generator = randomGenerator())

Data Members

Class Description

 This class provides a static interface for generating random numbers.

TRandom* randomGenerator()

 Return a pointer to a singleton random-number generator
 implementation. Creates the object the first time it is called.

RooQuasiRandomGenerator* quasiGenerator()

 Return a pointer to a singleton quasi-random generator
 implementation. Creates the object the first time it is called.

Double_t uniform(TRandom *generator)

 Return a number uniformly distributed from (0,1)

void uniform(UInt_t dimension, Double_t vector[], TRandom *generator)

 Fill the vector provided with random numbers uniformly distributed from (0,1)

UInt_t integer(UInt_t n, TRandom *generator)

 Return an integer uniformly distributed from [0,n-1]

Double_t gaussian(TRandom *generator)

 Return a Gaussian random variable with mean 0 and variance 1.

Bool_t quasi(UInt_t dimension, Double_t vector[], RooQuasiRandomGenerator *generator)

 Return a quasi-random number in the range (0,1) using the
 Niederreiter base 2 generator described in Bratley, Fox, Niederreiter,
 ACM Trans. Model. Comp. Sim. 2, 195 (1992).

Inline Functions

               void ~RooRandom()
          RooRandom RooRandom()
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
               void StreamerNVirtual(TBuffer& b)
          RooRandom RooRandom(const RooRandom&)
         RooRandom& operator=(const RooRandom&)

Last CVS Update: v 1.10 2005/06/16 09:31:29 wverkerke

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