Usage: gsl-randist seed n DIST param1 param2 ...
Generates n samples from the distribution DIST with parameters param1,
param2, etc. Valid distributions are,

  beta
  binomial
  bivariate-gaussian
  cauchy
  chisq
  dir-2d
  dir-3d
  dir-nd
  erlang
  exponential
  exppow
  fdist
  flat
  gamma
  gaussian-tail
  gaussian
  geometric
  gumbel1
  gumbel2
  hypergeometric
  laplace
  landau
  levy
  levy-skew
  logarithmic
  logistic
  lognormal
  negative-binomial
  pareto
  pascal
  poisson
  rayleigh-tail
  rayleigh
  tdist
  ugaussian-tail
  ugaussian
  weibull