public static IntegerNumber operator *(IntegerNumber a, IntegerNumber b)
{
if (!Functional.BothAreEqual(a, b, HierarchyLevel.INTEGER))
{
return(Number.OpMul(a, b) as IntegerNumber);
}
return(new IntegerNumber(CtxMultiply(a.Value, b.Value)));
}
public static RationalNumber operator *(RationalNumber a, RationalNumber b)
{
if (!Functional.BothAreEqual(a, b, HierarchyLevel.RATIONAL))
{
return(Number.OpMul(a, b) as RationalNumber);
}
var num = CtxMultiply(a.Numerator, b.Numerator);
var den = CtxMultiply(a.Denominator, b.Denominator);
return(Number.Functional.Downcast(new RationalNumber(num, den)) as RationalNumber);
}
public static ComplexNumber operator *(ComplexNumber a, ComplexNumber b)
{
if (!Functional.BothAreEqual(a, b, HierarchyLevel.COMPLEX))
{
return(Number.OpMul(a, b) as ComplexNumber);
}
var Re = a.Real * b.Real - a.Imaginary * b.Imaginary;
var Im = a.Real * b.Imaginary + a.Imaginary * b.Real;
return(Number.Functional.Downcast(new ComplexNumber(Re, Im)) as ComplexNumber);
}
public static RealNumber operator *(RealNumber a, RealNumber b)
{
if (!a.IsDefinite() || !b.IsDefinite())
{
return(UndefinedStateSuperSwitch.Switch(
() => new RealNumber(UndefinedState.POSITIVE_INFINITY),
() => new RealNumber(UndefinedState.POSITIVE_INFINITY),
() => new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => EDecimalWrapper.IsGreater(b.Value, 0) ? new RealNumber(UndefinedState.POSITIVE_INFINITY) : new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => EDecimalWrapper.IsGreater(b.Value, 0) ? new RealNumber(UndefinedState.NEGATIVE_INFINITY) : new RealNumber(UndefinedState.POSITIVE_INFINITY),
() => EDecimalWrapper.IsGreater(a.Value, 0) ? new RealNumber(UndefinedState.POSITIVE_INFINITY) : new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => EDecimalWrapper.IsGreater(a.Value, 0) ? new RealNumber(UndefinedState.NEGATIVE_INFINITY) : new RealNumber(UndefinedState.POSITIVE_INFINITY),
a, b));
}
if (!Functional.BothAreEqual(a, b, HierarchyLevel.REAL))
{
return(Number.OpMul(a, b) as RealNumber);
}
return(Number.Functional.Downcast(new RealNumber(CtxMultiply(a.Value, b.Value))) as RealNumber);
}