File: gsl.rb

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module Distribution
  module LogNormal
    module GSL_
      class << self
        def pdf(x,u,s)
          GSL::Ran::lognormal_pdf(x.to_f, u.to_f, s.to_f)
        end

        def p_value(pr,u,s)
          GSL::Cdf::lognormal_Pinv(pr.to_f, u.to_f, s.to_f)
        end

        def cdf(x,u,s)
          GSL::Cdf::lognormal_P(x.to_f, u.to_f, s.to_f)
        end
      end
    end
  end
end