private void Normalize()
{
var power10 = PrefixHelpers.Power10(Quantity);
var newPrefix = PrefixHelpers.FindClosestPrefix(power10 / Power);
if (newPrefix != 0)
{
Prefix = newPrefix;
var pow = -((int)newPrefix * Power);
Quantity *= Math.Pow(10, pow);
}
}
public static Unit operator -(Unit u1, Unit u2)
{
if (u1.IsComparable(u2))
{
var averagePrefix = PrefixHelpers.AveragePrefix(u1.Prefix, u2.Prefix);
var quantity = u1.Quantity * Math.Pow(10, u1.Power10Difference(averagePrefix)) - u2.Quantity * Math.Pow(10, u2.Power10Difference(averagePrefix));
var newUnit = new Unit(quantity, averagePrefix, u1.BaseUnit, u1.Power);
return(newUnit);
}
else
{
throw new GrandmothersAndFrogsException(u1, u2, "You can't mix them. You just can't");
}
}
public static Unit operator *(Unit u1, Unit u2)
{
if (u1.BaseUnit == u2.BaseUnit && u1.BaseUnit != 0)
{
var averagePrefix = PrefixHelpers.AveragePrefix(u1.Prefix, u2.Prefix);
var power10 = u1.Power10Difference(averagePrefix) + u2.Power10Difference(averagePrefix);
var quantity = u1.Quantity * u2.Quantity * Math.Pow(10, power10);
var newUnit = new Unit(quantity, averagePrefix, u1.BaseUnit, u1.Power + u2.Power);
return(newUnit);
}
else
{
return(Unit.Multiply(u1, u2));
}
}
private IDictionary <Unit, Unit> FindPossibleDerivedUnits()
{
var dict = new ConcurrentDictionary <Unit, Unit>();
DerivedUnits.Where(x => x.Units.Count <= Units.Count).AsParallel().ForAll(derivedUnit =>
{
int factor = this.HasFactor(derivedUnit);
if (factor != 0)
{
Unit remain = this / derivedUnit.Pow(factor);
var pow10 = PrefixHelpers.Power10(remain.Quantity);
var prfx = PrefixHelpers.FindClosestPrefix(pow10 / factor);
var units = derivedUnit.Units.SelectMany(x => x.Pow(1)).ToArray();
var quantity = remain.Quantity / Math.Pow(10, (int)prfx * factor);
Unit d = new Unit(quantity, prfx, derivedUnit.UnitName, factor, units);
dict.AddOrUpdate(d, remain, (x, y) => y);
}
});
return(dict);
}