/// <summary>
/// Tries to convert each axis of the metric of the quantity once.
/// </summary>
/// <returns>true if a change has been made</returns>
private bool canonicalize(ref Quantity quantity)
{
List <Metric.Axis> axes = new List <Metric.Axis>();
Exponential value = quantity.Value;
bool modified = false;
foreach (Metric.Axis axis in quantity.Metric.Axes)
{
Conversion conversion = Find(axis.Unit);
if (conversion != null)
{
Quantity part = conversion.Convert(1);
part.Metric = part.Metric.MultiplyExponents(axis.Exponent);
part.Value = Exponential.Power(part.Value, axis.Exponent);
axes.AddRange(part.Metric.Axes);
value *= part.Value;
modified = true;
}
else
{
axes.Add(Metric.Axis.CopyOf(axis));
}
}
if (modified)
{
quantity = new Quantity(value, new Metric(axes));
}
return(modified);
}
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 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);
}
