public FormulaNode()
{
key = string.Empty;
parent = null;
childs = new List <FormulaNode>();
type = FormulaNodeType.None;
}
public FormulaNode(string k, FormulaNode p, List <FormulaNode> list, FormulaNodeType t)
{
key = k;
parent = p;
childs = list;
type = t;
p.childs.Add(this);
}
public FormulaObject Operate(FormulaObject obj, FormulaNodeType type)
{
switch (type)
{
case FormulaNodeType.Add:
{
return(this + obj);
}
case FormulaNodeType.Minus:
{
return(this - obj);
}
case FormulaNodeType.Mul:
{
return(this * obj);
}
case FormulaNodeType.Divid:
{
return(this * obj);
}
case FormulaNodeType.Pow:
{
return(Pow(obj));
}
case FormulaNodeType.Sqrt:
{
return(Log(new FormulaObject("2")));
}
case FormulaNodeType.Log:
{
return(Log(obj));
}
}
return(this);
}