public static void CreateFunctionTree(string[] postfixArray, FunctionTree FTree)
{
FunctionStack fStk = new FunctionStack();
string f;
int i = 0;
FTree.varList = new List <FVar>();
while (i < postfixArray.Length)
{
f = postfixArray[i];
//System.out.println("fff "+ f);
if (f.Equals(FNeg.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FNeg.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FNeg(fStk.TopAndPop()));
}
else if (f.Equals(FAdd.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FAdd.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FAdd(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FSub.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FSub.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FSub(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FMul.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FMul.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FMul(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FDiv.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FDiv.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FDiv(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FPow.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FPow.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FPow(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FExp.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FExp.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FExp(fStk.TopAndPop()));
}
else if (f.Equals(FLn.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FLn.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FLn(fStk.TopAndPop()));
}
// sin()
else if (f.Equals(FSin.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FSin.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FSin(fStk.TopAndPop()));
}
else if (f.Equals(FCos.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FCos.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FCos(fStk.TopAndPop()));
}
// add rest of the functions
else if (IsConstant(f)) // double number
{
fStk.Push(new FCons(Convert.ToDouble(f)));
}
else
{
FVar @var = FTree.FindVariable(f);
if (@var != null)
{
fStk.Push(@var);
}
else
{
fStk.Push(FTree.AddVariable(new FVar(f))); // variable
}
}
i++;
}
FTree.rootNode = fStk.TopAndPop();
}
public static void CreateFunctionTree(string[] postfixArray, FunctionTree FTree)
{
FunctionStack fStk = new FunctionStack();
FTree.varList = new List <FVar>();
string f; int i = 0;
Function temp1, temp2;
bool chk1, chk2;
while (i < postfixArray.Length)
{
f = postfixArray[i];
//Console.Write(" "+ f);
if (f.Equals(FNeg.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FNeg.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FNeg(fStk.TopAndPop()));
}
else if (f.Equals(FAdd.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FAdd.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FAdd(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FSub.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FSub.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FSub(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FMul.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FMul.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
temp1 = fStk.TopAndPop();
chk1 = temp1.GetID().Equals(FCons.ID) && !fStk.Top().GetID().Equals(FCons.ID);
if (chk1 && fStk.Top().isTwoSidedFunction&& !((TwoSidedFunction)fStk.Top()).RHS().GetID().Equals(FCons.ID))
{
temp2 = ((TwoSidedFunction)fStk.Top()).RHS();
((TwoSidedFunction)fStk.Top()).SetRHS(temp1);
fStk.Push(new FMul(temp2, fStk.TopAndPop(), 1));
}
else if (chk1 && fStk.Top().isVariable)
{
fStk.Push(new FMul(fStk.TopAndPop(), temp1, 1));
}
else
{
fStk.Push(new FMul(temp1, fStk.TopAndPop(), 1));
}
}
else if (f.Equals(FDiv.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FDiv.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FDiv(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FPow.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FPow.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FPow(fStk.TopAndPop(), fStk.TopAndPop(), 1));
}
else if (f.Equals(FExp.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FExp.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FExp(fStk.TopAndPop()));
}
else if (f.Equals(FLn.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FLn.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FLn(fStk.TopAndPop()));
}
// sin()
else if (f.Equals(FSin.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FSin.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FSin(fStk.TopAndPop()));
}
else if (f.Equals(FCos.ID, StringComparison.CurrentCultureIgnoreCase) || f.Equals(FCos.Symbol, StringComparison.CurrentCultureIgnoreCase))
{
fStk.Push(new FCos(fStk.TopAndPop()));
}
// add rest of the functions
else if (IsConstant(f)) // double number
{
fStk.Push(new FCons(Convert.ToDouble(f)));
}
else
{
FVar @var = FTree.FindVariable(f);
if (@var != null)
{
fStk.Push(@var);
}
else
{
FunctionTree temp;
FVar tempVar;
if ((tempVar = ListHandler.ML_VariableList(MLGUI.GetVariable, f)) != null && tempVar.IsSet())
{
fStk.Push(new FCons(tempVar.GetValue()));
}
else if ((temp = ListHandler.ML_FunctionList(MLGUI.GetFunction, f)) != null)
{
fStk.Push(temp.rootNode);
}
else
{
fStk.Push(FTree.AddVariable(ListHandler.ML_VariableList(MLGUI.AddItem, f))); // variable
}
}
}
i++;
}
FTree.rootNode = fStk.TopAndPop();
}