class Bmi

# File bmi.rb, line 2
def self.calc(*args)
            case args.size
                    when 2
                            htc=args[0]
                            kg=args[1]
                            m=htc.to_f/100
                            h2=m.to_f*m
                            bmi=kg.to_f/h2
                            f_bmi = bmi.floor
                            diff=bmi.to_f-f_bmi.to_f
                            diff=diff.to_f*10
                            diff=diff.round
                            if (diff == 10)
                                    #Need to bump up the whole thing instead
                                    f_bmi += 1;
                                    diff = 0;
                            end
                               bmi = f_bmi + diff.to_f/10;
                    when 3
                            w=args[0]
                            v=args[1]
                            u=args[2]
                            i =  (v.to_f * 12).to_i + u.to_f;
                            ins=i
                            lbs=w
                            h2=ins.to_f*ins.to_f
                            bmi=(lbs.to_f/h2)*703
                            f_bmi=bmi.floor
                            diff=bmi-f_bmi
                            diff=diff*10
                            diff=diff.round
                       if (diff == 10)    # Need to bump up the whole thing instead
                       
                          f_bmi += 1;
                          diff   = 0;
                       end
                            bmi = f_bmi +  diff.to_f/10;
            end

    end