public IExpressionNode Simplify()
{
FirstParameter = FirstParameter.Simplify();
SecondParameter = SecondParameter.Simplify();
if (!FirstParameter.ContainsVariable() && !SecondParameter.ContainsVariable())
{
return(new Constant(this.Evaluate(null)));
}
return(this);
}
public bool ContainsVariable()
{
return(FirstParameter.ContainsVariable() || SecondParameter.ContainsVariable());
}