Round a float : float « Number « Ruby

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Ruby » Number » float

Round a float





class Float



  def roundf(places)

    temp = self.to_s.length

    sprintf("%#{temp}.#{places}f",self).to_f

  end



  def round2

    whole = self.floor

    fraction = self - whole

    if fraction == 0.5

      if (whole %2) == 0

        whole

      else

        whole+1

      end

    else

      self.round

    end



   end

end

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