public ScaleBuilder(UnitConfiguration config, UnitMeta rootUnit)
{
this.config = config;
precedingUnit = rootUnit;
if (rootUnit.PhysicalUnit.IsDimensionless())
{
throw new InvalidOperationException("The unit you start with should be associated with a physical unit to start a scale.");
}
}
IUnitScale IUnitScale.To(Unit singleUnit, int scale)
{
var newUnit = config.Unit(singleUnit)
.IsPhysicalUnit(precedingUnit.PhysicalUnit)
.ConvertValueBased(precedingUnit.Unit, v => v * scale, v => v / scale);
((IUnitMetaConfig)precedingUnit).ConvertValueBased(singleUnit, v => v / scale, v => v * scale);
precedingUnit = (UnitMeta)newUnit;
return(this);
}