public override Node GetDerivative() //O = original, D = derivative
{
Node nodeDiv = new NodeDivision();
Node nodeTimes1 = new NodeTimes();
Node nodeTimes2 = new NodeTimes();
Node nodeMin = new NodeMinus();
Node nodePow = new NodePower();
Node nodeNumber2 = new NodeNumber(false, false, 2);
Node node1D = node1.GetDerivative();
Node node2D = Node2.GetDerivative();
Node node1O = node1.Clone();
Node node2O = node2.Clone();
Node node2O2 = node2.Clone();
//divison (head node)
nodeDiv.AddNode1(nodeMin);
nodeDiv.AddNode2(nodePow);
//creating upper part of division
nodeMin.AddNode1(nodeTimes1);
nodeMin.AddNode2(nodeTimes2);
nodeTimes1.AddNode1(node1D);
nodeTimes1.AddNode2(node2O);
nodeTimes2.AddNode1(node1O);
nodeTimes2.AddNode2(node2D);
//creating lower part of division
nodePow.AddNode1(node2O2);
nodePow.AddNode2(nodeNumber2);
return(nodeDiv);
}
public override Node GetDerivative() //O = original, D = derivative
{
Node node1O1 = node1.Clone();
Node node1D = node1.GetDerivative();
Node node2O1 = node2.Clone();
Node nodeTimes1 = new NodeTimes();
Node nodeTimes2 = new NodeTimes();
if (node2.ContainsX())
{
Node thisNode = this.Clone();
Node node1O2 = node1.Clone();
Node node2D = node2.GetDerivative();
Node nodePlus = new NodePlus();
Node nodeLN = new NodeLN();
Node nodeDiv = new NodeDivision();
Node nodeTimes3 = new NodeTimes();
nodeTimes3.AddNode1(thisNode);
nodeTimes3.AddNode2(nodePlus);
nodePlus.AddNode1(nodeTimes1);
nodePlus.AddNode2(nodeTimes2);
nodeTimes1.AddNode1(node1D);
nodeTimes1.AddNode2(nodeDiv);
nodeDiv.AddNode1(node2O1);
nodeDiv.AddNode2(node1O1);
nodeTimes2.AddNode1(node2D);
nodeTimes2.AddNode2(nodeLN);
nodeLN.AddNode1(node1O2);
return(nodeTimes3);
}
else
{
Node node2O2 = node2.Clone();
Node nodeNumberOne = new NodeNumber(false, false, 1);
Node nodeMin = new NodeMinus();
Node nodePow = new NodePower();
nodeTimes2.AddNode1(nodePow);
nodeTimes2.AddNode2(nodeTimes1);
nodeTimes1.AddNode1(node2O1);
nodeTimes1.AddNode2(node1D);
nodePow.AddNode1(node1O1);
nodePow.AddNode2(nodeMin);
nodeMin.AddNode1(node2O2);
nodeMin.AddNode2(nodeNumberOne);
return(nodeTimes2);
}
}
public override Node Clone()
{
Node newNode = new NodeMinus();
Node newNode1 = node1.Clone();
Node newNode2 = node2.Clone();
newNode.AddNode1(newNode1);
newNode.AddNode2(newNode2);
return(newNode);
}
public override Node GetDerivative() //O = original, D = derivative
{
Node nodeMin = new NodeMinus();
Node node1D = node1.GetDerivative();
Node node2D = Node2.GetDerivative();
nodeMin.AddNode1(node1D);
nodeMin.AddNode2(node2D);
return(nodeMin);
}
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);
}