public static OperatorNode deepCopy(OperatorNode other)
{
OperatorNode res = new OperatorNode(other._operatorType, other._childNum);
res._color = other._color;
for (int i = 0; i < res._childNum; i++)
{
switch (other._children._children[i])
{
case OperatorNode op:
res.addChild(OperatorNode.deepCopy(op));
break;
case ConstNode cn:
res.addChild(ConstNode.deepCopy(cn));
break;
case VariableNode vn:
res.addChild(VariableNode.deepCopy(vn));
break;
case MultipleNode mn:
res.addChild(MultipleNode.deepCopy(mn));
break;
default:
break;
}
}
return(res);
}
public static OperatorNode randomizeNode(int branching)
{
int sumW = 1;
int mulW = 1;
int invW = 1;
int notW = 1;
NodeOperatorType type;
int idx = Rng.Rnd.Next(sumW + mulW + invW + notW);
if (idx < sumW)
{
type = NodeOperatorType.ADD;
}
else if (idx < sumW + mulW)
{
type = NodeOperatorType.MUL;
}
else if (idx < sumW + mulW + invW)
{
type = NodeOperatorType.INV;
}
else
{
type = NodeOperatorType.NOT;
}
uint maxChildNum = (uint)NodeDictionary.OPERATOR_NUM_ARGS[type];
uint actualChildNum = (uint)Math.Min(Rng.Rnd.Next(3, branching), maxChildNum);
OperatorNode op = new OperatorNode((NodeOperatorType)type, actualChildNum);
return(op);
}
public static MultipleNode deepCopy(MultipleNode other)
{
MultipleNode res = new MultipleNode(other._value);
res._color = other._color;
switch (other._children._children[0])
{
case OperatorNode op:
res.addChild(OperatorNode.deepCopy(op));
break;
case ConstNode cn:
res.addChild(ConstNode.deepCopy(cn));
break;
case VariableNode vn:
res.addChild(VariableNode.deepCopy(vn));
break;
case MultipleNode mn:
res.addChild(MultipleNode.deepCopy(mn));
break;
default:
break;
}
return(res);
}
public static OperatorNode shallowCopy(OperatorNode other)
{
OperatorNode res = new OperatorNode(other._operatorType, other._childNum);
res._children = other._children;
res._color = other._color;
return(res);
}
private GeneticNode _fixTreeAux(GeneticNode current, int currentDepth)
{
current._childNum = (uint)Math.Min(_maxBranching, current._childNum);
current._children.Resize((int)current._childNum);
GeneticNode res;
if (currentDepth >= _maxDepth)
{
res = randomNode(0, 4, 1);
res._color = current._color;
return(res);
}
switch (current)
{
case OperatorNode on:
res = OperatorNode.shallowCopy(on);
break;
case VariableNode vn:
res = VariableNode.shallowCopy(vn);
break;
case ConstNode cn:
res = ConstNode.shallowCopy(cn);
break;
case MultipleNode mn:
res = MultipleNode.shallowCopy(mn);
break;
default:
res = current;
break;
}
for (int i = 0; i < res._childNum; i++)
{
res._children[i] = _fixTreeAux(res._children[i], currentDepth + 1);
}
return(res);
}
public GeneticNode randomNode(double opWeight, double varWeight, double constWeight)
{
if (opWeight < 0)
{
opWeight = 0;
}
if (varWeight < 0)
{
varWeight = 0;
}
if (constWeight < 0)
{
constWeight = 0;
}
double sum = varWeight + opWeight + constWeight;
double opCentil = opWeight / sum;
double varCentil = opCentil + varWeight / sum;
double centil = _RND.NextDouble();
if (centil < opCentil)
{
int det = Rng.Rnd.Next(0, (int)OPERATOR_NODES_NUM + (int)MULTIPLE_NODES_NUM);
if (det < MULTIPLE_NODES_NUM)
{
return(MultipleNode.randomizeNode());
}
else
{
return(OperatorNode.randomizeNode((int)_maxBranching));
}
}
else if (centil < varCentil)
{
return(VariableNode.randomizeNode());
}
else
{
return(ConstNode.randomizeNode());
}
}
public static GeneticTree deepCopy(GeneticTree other)
{
GeneticTree res = new GeneticTree(other._maxDepth, other._maxBranching);
res._nodesColor = other._nodesColor;
res._id = other._id;
res._nodeIndices = new List <string>(other._nodeIndices);
switch (other._root)
{
case OperatorNode on:
res._root = OperatorNode.deepCopy((OperatorNode)other._root);
break;
case VariableNode vn:
res._root = VariableNode.deepCopy((VariableNode)other._root);
break;
case ConstNode cn:
res._root = ConstNode.deepCopy((ConstNode)other._root);
break;
case MultipleNode mn:
res._root = MultipleNode.deepCopy((MultipleNode)other._root);
break;
default:
break;
}
res.getRPN();
res._nodeStatsDictionary = other._nodeStatsDictionary;
res._firstParentId = other._firstParentId;
res._secondParentId = other._secondParentId;
//res.setColor(other._nodesColor.r, other._nodesColor.g, other._nodesColor.b);
return(res);
}
