private Expr _Canonicalize(WellKnownSym s)
{
return s;
}
private Expr _Numericize(WellKnownSym s)
{
switch (s.ID)
{
case WKSID.pi:
return new DoubleNumber(Math.PI);
case WKSID.e:
return new DoubleNumber(Math.E);
case WKSID.i:
return new ComplexNumber(new DoubleNumber(0), new DoubleNumber(1));
default:
return s;
}
}
public KeyValuePair<WOrC, TType>? this[WellKnownSym wks]
{
get
{
KeyValuePair<WOrC, TType> val;
if (_mapw.TryGetValue(wks.ID, out val)) return val;
else return null;
}
}
