switch mt {
	case CounterMT:
		return "counter"
	case GaugeMT:
		return "gauge"
	case HistogramMT:
		return "histogram"
	default:
		return "*unknown*"
	}
}

func (mt MetricType) toProm() prometheus.ValueType {
	switch mt {
	case CounterMT:
		return prometheus.CounterValue
	case GaugeMT:
		return prometheus.GaugeValue
	case HistogramMT:
		return prometheus.CounterValue
	default:

            kn[m] = kn[n] = 0;
            for (j = 0; j < 28; ++j) {
                l = j + totrot[i];
                if (l < 28) {
                    pcr[j] = pc1m[l];
                } else {
                    pcr[j] = pc1m[l - 28];
                }
            }
            for (j = 28; j < 56; ++j) {
                l = j + totrot[i];
                if (l < 56) {
                    pcr[j] = pc1m[l];