ruby-gsl Sample: rnd2.rb

#!/usr/local/bin/ruby


require "GSL"
include GSL::Random

# Test random number distributions
# generate output suitable for graph(1) from GNU plotutils:
# ruby test/rnd2.rb | graph -Tps > g.ps

STDERR.puts "Running tests for RND(2)..."

a = []
r = RNG.new
puts "#m=0,S=2"
1000.times do
  a = RND::bivariate_gaussian(r, 1, 1, 0.9) 
  printf "%g %g\n", a[0], a[1]
end

STDERR.puts "\ndone."