public override int CompareTo(Expr other)
{
var pCmp = base.CompareTo(other);
if (other is RationalNumericalExpr e)
{
if (pCmp == 0)
{
pCmp = Numer.CompareTo(e.Numer);
if (pCmp == 0)
{
pCmp = Denom.CompareTo(e.Denom);
}
}
}
return(pCmp);
}
//реализация методов интерфейсов
public int CompareTo(Rational CompareNumber)
{
return(Numer.CompareTo(CompareNumber));
}