public Quantity Convert(Quantity quantity, Conversion conversion)
{
Quantity baseq = quantity.UnPrefixed();
if (!baseq.Metric.Equals(conversion.To))
throw new InvalidCastException(string.Format("Quantity {0} cannot be converted to {1}", quantity, conversion.To));
Quantity output = conversion.Convert(baseq.Value);
return output;
}
public Conversion Add(Metric from, Metric to, ConversionMethod method)
{
Conversion conversion = new Conversion(from, to, method);
conversions.Add(conversion);
return conversion;
}
