//****************************************************************************************************
public override SingleVar add(SingleVar b) {
if (b.IsNum()) {
try {
return new RealVar(this.m_val + ((NumVar) b).ToDouble());
}
catch (Exception) {
throw new CalcException("Ошибка в вычислениях.");
}
}
else
throw new CalcException("Неправильные операнды.");
}
//****************************************************************************************************
public override bool MoreThan(SingleVar b) {
if (!b.IsNum())
throw new CalcException("Ќеверные типы операндов");
return this.ToDouble() > ((NumVar) b).ToDouble();
}