protected virtual bool GetNextGen(Equation EvolvedEquation, Equation OldEquation, int toCalc)
{
bool BestCandEvolved = false;
Equation BestEvolvedEquation = BestCandidate.MakeClone(new Equation(EInfo, Randomizer));
Debug.WriteLine(BestCandidate.CreateFunction());
//int simplestCount = 0;
for (double i = 0; i < EInfo.CandidatesPerGen * EInfo.EvolvedCandidatesPerGen; i++)
{
BestCandidate.MakeClone(EvolvedEquation);
EvolveCand.EvolveCandidate(EInfo, EvolvedEquation);
EvolvedEquation.CalcPartialOffSet(toCalc);
//if (EvolvedEquation.CreateFunction() == "f(x) = x")
//{
// simplestCount++;
//}
//Debug.WriteLine(EvolvedEquation.CreateFunction());
//Thread.Sleep(500);
bool EvolvedToBetter = ChangeIfBetter(EvolvedEquation, OldEquation, BestEvolvedEquation);
BestCandEvolved = (EvolvedToBetter) ? true : BestCandEvolved;
ResetSingle(EvolvedEquation);
}
//Debug.WriteLine(simplestCount);
//Thread.Sleep(500);
int[] Indexes = SmartCand.CanSmartChangeNumbers(BestCandidate, OldEquation);
for (double i = 0; i < EInfo.CandidatesPerGen * EInfo.SmartCandidatesPerGen; i++)
{
BestCandidate.MakeClone(EvolvedEquation);
SmartCand.SmartifyCandidate(EInfo, EvolvedEquation, BestCandidate, OldEquation, Indexes);
EvolvedEquation.CalcPartialOffSet(toCalc);
bool EvolvedToBetter = ChangeIfBetter(EvolvedEquation, OldEquation, BestEvolvedEquation);
BestCandEvolved = (EvolvedToBetter) ? true : BestCandEvolved;
ResetSingle(EvolvedEquation);
}
for (double i = 0; i < EInfo.CandidatesPerGen * EInfo.RandomCandidatesPerGen; i++)
{
RandomCand.MakeRandomEquation(EvolvedEquation);
EvolvedEquation.CalcPartialOffSet(toCalc);
bool EvolvedToBetter = ChangeIfBetter(EvolvedEquation, OldEquation, BestEvolvedEquation);
BestCandEvolved = (EvolvedToBetter) ? true : BestCandEvolved;
ResetSingle(EvolvedEquation);
}
if (BestCandEvolved)
{
ResetSingle(OldEquation);
BestEvolvedEquation.MakeClone(OldEquation);
ResetSingle(BestCandidate);
BestEvolvedEquation.MakeClone(BestCandidate);
BestCandidate.CompressEquation();
}
return(BestCandEvolved);
}
public void CheckNewChild(Equation child)
{
for (int i = children.Length - 1; i >= 0; i--)
{
if (children[i].OffSet > child.OffSet || children[i].NumberOfAllOperators == 0)
{
Equation worstChild = children[0];
for (int y = 0; y < i; y++)
{
children[y] = children[y + 1];
}
worstChild.Cleanup();
child.MakeClone(worstChild);
children[i] = worstChild;
break;
}
}
}
protected bool ChangeIfBetter(Equation Eq, Equation OldEquation, Equation BestEvolvedCand)
{
if (Tools.IsANumber(Eq.OffSet))
{
if (Eq.OffSet < BestEvolvedCand.OffSet &&
Eq._toCalc >= BestEvolvedCand._toCalc ||
Eq.OffSet == BestEvolvedCand.OffSet &&
Eq.NumberOfAllOperators < BestEvolvedCand.NumberOfAllOperators &&
Eq._toCalc >= BestEvolvedCand._toCalc)
//if (Eq.OffSet < BestEvolvedCand.OffSet)
//if (Eq.OffSet < BestEvolvedCand.OffSet || Eq.OffSet == BestEvolvedCand.OffSet && Eq.OperatorsLeft < BestEvolvedCand.OperatorsLeft)
{
ResetSingle(BestEvolvedCand);
BestEvolvedCand = Eq.MakeClone(BestEvolvedCand);
return(true);
}
}
return(false);
}
