public override Node Clone()
{
Node newNode = new NodeE();
Node newNode1 = node1.Clone();
newNode.AddNode1(newNode1);
return(newNode);
}
public override Node GetDerivative() //O = original, D = derivative
{
Node node1O = node1.Clone();
Node node1D = node1.GetDerivative();
Node nodeE = new NodeE();
Node nodeTimes = new NodeTimes();
nodeTimes.AddNode1(nodeE);
nodeTimes.AddNode2(node1D);
nodeE.AddNode1(node1O);
return(nodeTimes);
}
private Node combineNodes(Node cleanNode1, Node cleanNode2)
{
if (cleanNode1 is NodeNumber && cleanNode2 is NodeNumber)
{
int negOrPos = 0;
if (((NodeNumber)cleanNode1).Number == ((NodeNumber)cleanNode2).Number)
{
negOrPos = 1;
}
else if (((NodeNumber)cleanNode1).Number == -1 * ((NodeNumber)cleanNode2).Number)
{
negOrPos = -1;
}
if (negOrPos != 0)
{
if (cleanNode1.ContainsX() == cleanNode2.ContainsX() && cleanNode1.ContainsP() == cleanNode2.ContainsP())
{
Node newNumberNode;
newNumberNode = new NodeNumber(false, false, negOrPos);
return(newNumberNode);
}
else if (cleanNode1.ContainsX() == cleanNode2.ContainsX() && !cleanNode2.ContainsP())
{
Node newNumberNode;
newNumberNode = new NodeNumber(false, true, negOrPos);
return(newNumberNode);
}
else if (cleanNode1.ContainsP() == cleanNode2.ContainsP() && !cleanNode2.ContainsX())
{
Node newNumberNode;
newNumberNode = new NodeNumber(true, false, negOrPos);
return(newNumberNode);
}
}
}
if (cleanNode1 is NodeNumber)
{
if (((NodeNumber)cleanNode1).Number == 0)
{
Node newNumberNode;
newNumberNode = new NodeNumber(false, false, 0);
return(newNumberNode);
}
if (cleanNode2 is NodeFactorial)
{
if (((NodeNumber)cleanNode1).Number == ((NodeFactorial)cleanNode2).GetValueForX(0))
{
return(new NodeNumber(cleanNode1.ContainsX(), cleanNode1.ContainsP(), 1));
}
}
}
if (cleanNode2 is NodeNumber)
{
if (cleanNode1 is NodeFactorial)
{
if (((NodeNumber)cleanNode2).Number == ((NodeFactorial)cleanNode1).GetValueForX(0))
{
Node nodeDiv = new NodeDivision();
nodeDiv.AddNode1(new NodeNumber(false, false, 1));
nodeDiv.AddNode2(new NodeNumber(cleanNode2.ContainsX(), cleanNode2.ContainsP(), 1));
return(nodeDiv);
}
}
if (((NodeNumber)cleanNode2).Number == 1 && !cleanNode2.ContainsP() && !cleanNode2.ContainsX())
{
return(cleanNode1);
}
}
//none of the nodes are numbers, so they need to be cleaned!
Node trash;
if (cleanNode2.SameAs(cleanNode1))
{
Node nodeNum = new NodeNumber(false, false, 1);
return(nodeNum);
}
if ((cleanNode1 is NodePower && cleanNode2 is NodePower) || (cleanNode1 is NodeE && cleanNode2 is NodeE) || (cleanNode1 is NodeTimes && cleanNode2 is NodeTimes))
{
if (!(cleanNode1 is NodeE))
{
if (cleanNode1.Node1.SameAs(cleanNode2.Node1))
{
if (cleanNode1 is NodePower)
{
NodePower nodePow = new NodePower();
NodeMinus nodeMin = new NodeMinus();
nodePow.AddNode1(cleanNode1.Node1);
nodePow.AddNode2(nodeMin);
nodeMin.AddNode1(cleanNode1.Node2);
nodeMin.AddNode2(cleanNode2.Node2);
nodePow.MakeNodeClean(null, out trash);
return(nodePow);
}
if (cleanNode1 is NodeTimes)
{
NodeDivision nodeDiv = new NodeDivision();
nodeDiv.AddNode1(cleanNode1.Node2);
nodeDiv.AddNode2(cleanNode2.Node2);
nodeDiv.MakeNodeClean(null, out trash);
return(nodeDiv);
}
}
else if (cleanNode1.Node1.SameAs(cleanNode2.Node2))
{
if (cleanNode1 is NodeTimes)
{
NodeDivision nodeDiv = new NodeDivision();
nodeDiv.AddNode1(cleanNode1.Node2);
nodeDiv.AddNode2(cleanNode2.Node1);
nodeDiv.MakeNodeClean(null, out trash);
return(nodeDiv);
}
}
else if (cleanNode1.Node2.SameAs(cleanNode2.Node1))
{
if (cleanNode1 is NodeTimes)
{
NodeDivision nodeDiv = new NodeDivision();
nodeDiv.AddNode1(cleanNode1.Node1);
nodeDiv.AddNode2(cleanNode2.Node2);
nodeDiv.MakeNodeClean(null, out trash);
return(nodeDiv);
}
}
else if (cleanNode1.Node2.SameAs(cleanNode2.Node2))
{
if (cleanNode1 is NodeTimes)
{
NodeDivision nodeDiv = new NodeDivision();
nodeDiv.AddNode1(cleanNode1.Node1);
nodeDiv.AddNode2(cleanNode2.Node1);
nodeDiv.MakeNodeClean(null, out trash);
return(nodeDiv);
}
}
}
else
{
NodeE nodeE = new NodeE();
NodeMinus nodeMin = new NodeMinus();
nodeE.AddNode1(nodeMin);
nodeMin.AddNode1(cleanNode1.Node1);
nodeMin.AddNode2(cleanNode2.Node1);
nodeE.MakeNodeClean(null, out trash);
return(nodeE);
}
}
return(null);
}
private Node combineNodes(Node cleanNode1, Node cleanNode2)
{
if (cleanNode1 is NodeNumber && !(cleanNode2 is NodeNumber))
{
if (((NodeNumber)cleanNode1).Number == 0)
{
Node newNumberNode;
newNumberNode = new NodeNumber(false, false, 0);
return(newNumberNode);
}
else if (((NodeNumber)cleanNode1).Number == 1 && !cleanNode1.ContainsX() && !cleanNode1.ContainsP())
{
return(cleanNode2);
}
else if (cleanNode2 is NodePower)
{
if (cleanNode2.Node1 is NodeNumber)
{
if (((NodeNumber)cleanNode1).ContainsX() == ((NodeNumber)cleanNode2.Node1).ContainsX())
{
//check if nodePower.Node1(lower) has only 1x and node has (somenumber)x
}
}
}
}
if (cleanNode2 is NodeNumber && !(cleanNode1 is NodeNumber))
{
if (((NodeNumber)cleanNode2).Number == 0)
{
Node newNumberNode;
newNumberNode = new NodeNumber(false, false, 0);
return(newNumberNode);
}
else if (((NodeNumber)cleanNode2).Number == 1 && !cleanNode2.ContainsX() && !cleanNode2.ContainsP())
{
return(cleanNode1);
}
}
if (cleanNode1 is NodeNumber && cleanNode2 is NodeNumber)
{
if (cleanNode1.ContainsX() != cleanNode2.ContainsX()) //one has X
{
if (cleanNode1.ContainsP() != cleanNode2.ContainsP()) //one has P
{
Node newNumberNode;
newNumberNode = new NodeNumber(true, true, ((NodeNumber)cleanNode1).Number * ((NodeNumber)cleanNode2).Number);
return(newNumberNode);
}
else if (!cleanNode1.ContainsP()) //both have not P
{
Node newNumberNode;
newNumberNode = new NodeNumber(true, false, ((NodeNumber)cleanNode1).Number * ((NodeNumber)cleanNode2).Number);
return(newNumberNode);
}
}
else if (!cleanNode1.ContainsX()) //both have not X
{
if (cleanNode1.ContainsP() != cleanNode2.ContainsP()) //one has P
{
Node newNumberNode;
newNumberNode = new NodeNumber(false, true, ((NodeNumber)cleanNode1).Number * ((NodeNumber)cleanNode2).Number);
return(newNumberNode);
}
else if (!cleanNode1.ContainsP()) //both have not P
{
Node newNumberNode;
newNumberNode = new NodeNumber(false, false, ((NodeNumber)cleanNode1).Number * ((NodeNumber)cleanNode2).Number);
return(newNumberNode);
}
}
}
//none of the nodes are numbers, so they need to be cleaned!
Node trash;
if (cleanNode2.SameAs(cleanNode1))
{
Node nodePow = new NodePower();
nodePow.AddNode1(cleanNode1);
nodePow.AddNode2(new NodeNumber(false, false, 2));
nodePow.MakeNodeClean(null, out trash);
return(nodePow);
}
if ((cleanNode1 is NodePower && cleanNode2 is NodePower) || (cleanNode1 is NodeE && cleanNode2 is NodeE) || (cleanNode1 is NodeLN && cleanNode2 is NodeLN))
{
if (cleanNode1.Node1.SameAs(cleanNode2.Node1))
{
if (cleanNode1 is NodePower)
{
Node nodePow = new NodePower();
Node nodePlus = new NodePlus();
nodePow.AddNode1(cleanNode1.Node1);
nodePow.AddNode2(nodePlus);
nodePlus.AddNode1(cleanNode1.Node2);
nodePlus.AddNode2(cleanNode2.Node2);
nodePow.MakeNodeClean(null, out trash);
return(nodePow);
}
}
if (cleanNode1 is NodeE)
{
Node nodeE = new NodeE();
Node nodePlus = new NodePlus();
nodeE.AddNode1(nodePlus);
nodePlus.AddNode1(cleanNode1.Node1);
nodePlus.AddNode2(cleanNode2.Node1);
nodeE.MakeNodeClean(null, out trash);
return(nodeE);
}
}
return(null);
}