public static RealNumber operator /(RealNumber a, RealNumber b)
{
if (!a.IsDefinite() || !b.IsDefinite())
{
return(UndefinedStateSuperSwitch.Switch(
() => new RealNumber(UndefinedState.NAN),
() => new RealNumber(UndefinedState.NAN),
() => new RealNumber(UndefinedState.NAN),
() => new RealNumber(UndefinedState.NAN),
() => b.Value >= 0 ? new RealNumber(UndefinedState.POSITIVE_INFINITY) : new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => b.Value >= 0 ? new RealNumber(UndefinedState.NEGATIVE_INFINITY) : new RealNumber(UndefinedState.POSITIVE_INFINITY),
() => RealNumber.NaN(),
() => RealNumber.NaN(),
a, b));
}
if (!Functional.BothAreEqual(a, b, HierarchyLevel.REAL))
{
return(Number.OpDiv(a, b) as RealNumber);
}
if (b.Value != 0)
{
return(Number.Functional.Downcast(new RealNumber(a.Value / b.Value)) as RealNumber);
}
else
{
return a.Value switch
{
var x when x > 0 => new RealNumber(UndefinedState.POSITIVE_INFINITY),
var x when x < 0 => new RealNumber(UndefinedState.NEGATIVE_INFINITY),
_ => new RealNumber(UndefinedState.NAN)
}
};
}
public static RealNumber operator /(RealNumber a, RealNumber b)
{
if (!a.IsDefinite() || !b.IsDefinite())
{
return(UndefinedStateSuperSwitch.Switch(
() => RealNumber.NaN(),
() => RealNumber.NaN(),
() => RealNumber.NaN(),
() => RealNumber.NaN(),
() => b.Value switch {
var x when EDecimalWrapper.IsGreater(x, 0) => new RealNumber(UndefinedState.POSITIVE_INFINITY),
var x when EDecimalWrapper.IsLess(x, 0) => new RealNumber(UndefinedState.NEGATIVE_INFINITY),
var x when EDecimalWrapper.IsEqual(x, 0) => RealNumber.NaN()
},
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);
}
public static RealNumber operator -(RealNumber a, RealNumber b)
{
if (!a.IsDefinite() || !b.IsDefinite())
{
return(UndefinedStateSuperSwitch.Switch(
() => new RealNumber(UndefinedState.NAN),
() => new RealNumber(UndefinedState.NAN),
() => new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => new RealNumber(UndefinedState.POSITIVE_INFINITY),
() => new RealNumber(UndefinedState.POSITIVE_INFINITY),
() => new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => new RealNumber(UndefinedState.NEGATIVE_INFINITY),
() => new RealNumber(UndefinedState.POSITIVE_INFINITY),
a, b));
}
if (!Functional.BothAreEqual(a, b, HierarchyLevel.REAL))
{
return(Number.OpSub(a, b) as RealNumber);
}
return(Number.Functional.Downcast(new RealNumber(CtxSubtract(a.Value, b.Value))) as RealNumber);
}
