Contents

module PercentOf
  def percent_of(total)
    raise RuntimeError, "total can't be 0" if total.to_f == 0.0
    sprintf '%.2f%', self / total.to_f * 100
  end
end

class Float ; include PercentOf ; end
class Fixnum ; include PercentOf ; end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
percent_of-0.0.3	lib/percent_of.rb