def <<(times)
      r = times.shift
      @repeat += 1 if @times[:repeat].last != r
      @times[:repeat] << r
      TIMES.zip(times) { |t, time| @times[t] << time.to_f }
      self
    end
def <<(times)
      r = times.shift
      @repeat += 1 if @times[:repeat].last != r
      @times[:repeat] << r
      TIMES.zip(times) { |t, time| @times[t] << time.to_f }
      self
    end
Add the array +times+ to this clock's time measurements. +times+ consists
 of the time measurements in float values in order of TIMES.