template<class EngineType>
class ROOT::Math::RandomFunctions< EngineType, ROOT::Math::GSLRandomEngine >
Specialized implementation of the Random functions based on the GSL library.
These will work onlmy with a GSLRandomEngine type
Definition at line 43 of file GSLRandomFunctions.h.
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| | RandomFunctions () |
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| | RandomFunctions (EngineType &rng) |
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| double | Beta (double a, double b) |
| | Beta distribution.
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| unsigned int | Binomial (unsigned int ntot, double prob) |
| | Binomial distribution.
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| double | BreitWigner (double mean=0., double gamma=1) |
| | Breit Wigner distribution.
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| double | ChiSquare (double nu) |
| | Chi square distribution.
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| void | Circle (double &x, double &y, double r=1) |
| | generate random numbers in a 2D circle of radious 1
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| EngineType & | Engine () |
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| double | Exp (double tau) |
| | Exponential distribution.
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| double | FDist (double nu1, double nu2) |
| | F distrbution.
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| double | Gamma (double a, double b) |
| | Gamma distribution.
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| double | Gaus (double mean=0, double sigma=1) |
| | Gaussian distribution.
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| double | GausBM (double mean=0, double sigma=1) |
| | Gaussian distribution (Box-Muller method)
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| double | GausR (double mean=0, double sigma=1) |
| | Gaussian distribution (Ratio Method)
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| void | Gaussian2D (double sigmaX, double sigmaY, double rho, double &x, double &y) |
| | Bivariate Gaussian distribution with correlation.
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| double | GaussianTail (double a, double sigma=1) |
| | Gaussian Tail distribution.
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| double | GausZig (double mean, double sigma) |
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| double | Landau (double mean=0, double sigma=1) |
| | Landau distribution.
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| double | Logistic (double a) |
| | Logistic distribution.
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| double | LogNormal (double zeta, double sigma) |
| | Log Normal distribution.
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| std::vector< unsigned int > | Multinomial (unsigned int ntot, const std::vector< double > &p) |
| | Multinomial distribution.
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| unsigned int | NegativeBinomial (double n, double prob) |
| | Negative Binomial distribution First parameter is n, second is probability To be consistent with Random::Binomial.
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| double | Pareto (double a, double b) |
| | Pareto distribution.
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| unsigned int | Poisson (double mu) |
| | Poisson distribution.
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| double | Rayleigh (double sigma) |
| | Rayleigh distribution.
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| void | Sphere (double &x, double &y, double &z, double r=1) |
| | generate random numbers in a 3D sphere of radious 1
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| double | tDist (double nu) |
| | t student distribution
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 Public Member Functions inherited from ROOT::Math::RandomFunctions< EngineType, DefaultEngineType > |
| | RandomFunctions (EngineType &rng) |
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| | ~RandomFunctions () |
| | destructor (no op) we do not mantain the engine)
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| double | Beta (double, double) |
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| int | Binomial (int ntot, double prob) |
| | Generate binomial numbers.
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| double | BreitWigner (double mean, double gamma) |
| | Return a number distributed following a BreitWigner function with mean and gamma.
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| double | ChiSquare (double) |
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| void | Circle (double &x, double &y, double r) |
| | Generates random vectors, uniformly distributed over a circle of given radius.
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| double | Exp (double tau) |
| | Returns an exponential deviate.
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| double | FDist (double, double) |
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| double | Gamma (double, double) |
| | methods which are only for GSL random generators
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| double | Gaus (double mean, double sigma) |
| | generate Gaussian number using defqault method
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| double | GausACR (double mean, double sigma) |
| | generate random numbers according to the Accemptance-Complemet-Ratio method
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| double | GausBM (double mean, double sigma) |
| | generate Gaussian number using Box-Muller method
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| double | Landau (double mu, double sigma) |
| | Generate a random number following a Landau distribution with location parameter mu and scale parameter sigma: Landau( (x-mu)/sigma )
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| double | Logistic (double) |
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| double | LogNormal (double, double) |
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| std::vector< unsigned int > | MultiNomial (unsigned int, const std::vector< double > &) |
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| unsigned int | NegativeBinomial (double, double) |
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| double | operator() () |
| | non-virtual method
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| double | Pareto (double, double) |
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| int | Poisson (double mean) |
| | Generates a random integer N according to a Poisson law.
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| double | PoissonD (double mean) |
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| void | Rannor (double &a, double &b) |
| | Generate numbers distributed following a gaussian with mean=0 and sigma=1.
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| double | Rayleigh (double) |
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| void | Sphere (double &x, double &y, double &z, double r) |
| | Generates random vectors, uniformly distributed over the surface of a sphere of given radius.
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| double | tDist (double) |
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| double | Uniform (double a) |
| | generate random numbers following a Uniform distribution in the [0,a] interval
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| double | Uniform (double a, double b) |
| | generate random numbers following a Uniform distribution in the [a,b] interval
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