//Multiplication Operators
private static DerivedQuantity multiplyDerivedQuantities(DerivedQuantity a, DerivedQuantity b)
{
var expression = new DerivedQuantityDimension(a.Dimension.Members
.Concat(b.Dimension.Members).ToArray());
return(new DerivedQuantity(expression));
}
private static DerivedQuantity exponentiateDerivedQuantity(DerivedQuantity a, double b)
{
var members = a.Dimension.Members.Select(m => new DerivedQuantityDimensionMember(m.BaseQuantity,
m.Exponent * b)).ToArray();
var expression = new DerivedQuantityDimension(members);
return(new DerivedQuantity(expression));
}
public DerivedQuantity(string name, string symbol, string uiSymbol, DerivedQuantityDimension dimension)
{
_name = name ?? throw new ArgumentNullException(nameof(name));
_symbol = symbol ?? throw new ArgumentNullException(nameof(symbol));
_uiSymbol = uiSymbol;
Dimension = dimension;
IsNamed = true;
}
public DerivedQuantity(DerivedQuantityDimension dimension)
{
_name = null;
_symbol = null;
_uiSymbol = null;
Dimension = dimension ?? throw new ArgumentNullException(nameof(dimension));
IsNamed = false;
}
static Quantity()
{
//Multiplication Operators
Func <DerivedQuantity, DerivedQuantity, DerivedQuantity> multiplyDerivedQuantities = (a, b) =>
{
var expression = new DerivedQuantityDimension(a.Dimension.Members
.Concat(b.Dimension.Members).ToArray());
return(new DerivedQuantity(expression));
};
Func <BaseQuantity, BaseQuantity, DerivedQuantity> multiplyBaseQuantities = (a, b) =>
{
var derivedA = new DerivedQuantity(a, 1);
var derivedB = new DerivedQuantity(b, 1);
return(multiplyDerivedQuantities(derivedA, derivedB));
};
Func <BaseQuantity, DerivedQuantity, DerivedQuantity> multiplyBaseByDerivedQuantities = (a, b) =>
{
var derivedA = new DerivedQuantity(a, 1);
return(multiplyDerivedQuantities(derivedA, b));
};
Func <DerivedQuantity, BaseQuantity, DerivedQuantity> multiplyDerivedByBaseQuantities = (a, b) =>
{
var derivedB = new DerivedQuantity(b, 1);
return(multiplyDerivedQuantities(a, derivedB));
};
//Exponentiation Operators
Func <BaseQuantity, double, DerivedQuantity> exponentiateBaseQuantity = (a, b) => new DerivedQuantity(a, b);
Func <DerivedQuantity, double, DerivedQuantity> exponentiateDerivedQuantity = (a, b) =>
{
var members = a.Dimension.Members.Select(m => new DerivedQuantityDimensionMember(m.BaseQuantity,
m.Exponent * b)).ToArray();
var expression = new DerivedQuantityDimension(members);
return(new DerivedQuantity(expression));
};
MathOperationManager.RegisterMany(new MathOperation[] {
new Multiplication <BaseQuantity, BaseQuantity, DerivedQuantity>(multiplyBaseQuantities),
new Multiplication <DerivedQuantity, DerivedQuantity, DerivedQuantity>(multiplyDerivedQuantities),
new Multiplication <BaseQuantity, DerivedQuantity, DerivedQuantity>(multiplyBaseByDerivedQuantities),
new Multiplication <DerivedQuantity, BaseQuantity, DerivedQuantity>(multiplyDerivedByBaseQuantities),
new Exponentiation <BaseQuantity, double, DerivedQuantity>(exponentiateBaseQuantity),
new Exponentiation <DerivedQuantity, double, DerivedQuantity>(exponentiateDerivedQuantity)
});
}
