class Probs::Probability
Public Class Methods
new(*args)
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# File lib/probs/probability.rb, line 6 def initialize(*args) @rational = Rational(*args) end
Public Instance Methods
chance(&block)
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# File lib/probs/probability.rb, line 29 def chance(&block) Chance.new(self, &block) end
decimal()
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# File lib/probs/probability.rb, line 9 def decimal numerator.to_f / denominator end
percentage()
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# File lib/probs/probability.rb, line 12 def percentage decimal.to_f * 100 end
to_s(format=:percentage)
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# File lib/probs/probability.rb, line 16 def to_s(format=:percentage) case format when :decimal decimal.to_s when :fraction "#{numerator}/#{denominator}" when :percentage percentage.to_s + '%' when :ratio "#{numerator}:#{denominator - numerator}" end end