#!/usr/bin/env ruby
require("gsl")

class SubMatrix < GSL::Matrix::Int

  def initialize(*arg)
#    p *arg
    super(*arg)
    @foo = 2

  end
  def whatever
    @foo
  end
end

m = SubMatrix.alloc(1..4, 2, 2)
p m.class
#p m.info
#m.print

p m.whatever