public CGroup Selection()
{
CGroup rSelectedGroup = new CGroup(m_rUpdater, m_rLaw);
m_sSelectionLog = "";
double[] aSelectionPercents = new double[GroupSize];
double fGradesSum = 0;
for (int i = 0; i < GroupSize; i++)
{
fGradesSum += GetGradeAtChromosome(i);
}
double fAvgGrade = fGradesSum / GroupSize;
double fReverseGradesSum = 0;
for (int i = 0; i < GroupSize; i++)
{
//aSelectionPercents[i] = fGradesSum - GetGradeAtChromosome(i);
//fReverseGradesSum += aSelectionPercents[i];
aSelectionPercents[i] = fAvgGrade / GetGradeAtChromosome(i);
fReverseGradesSum += aSelectionPercents[i];
}
for (int i = 0; i < GroupSize; i++)
{
aSelectionPercents[i] = aSelectionPercents[i] / fReverseGradesSum;
}
UpdateSelectionLog(aSelectionPercents);
for (int i = 0; i < GroupSize; i++)
{
double fRandom = SCRandom.Random;
rSelectedGroup.AddChromosome(m_aChromosomes[GetNumberInGroup(fRandom, aSelectionPercents)]);
}
return(rSelectedGroup);
}
public CGroup Crossbreeding()
{
CGroup rChilds = new CGroup(m_rUpdater, m_rLaw);
int iFirstCrossing = -1;
for (int i = 0; i < GroupSize; i++)
{
double fDecision = SCRandom.Random;
if (m_rLaw.CrossbreedingChance > fDecision)
{
if (iFirstCrossing == -1)
{
iFirstCrossing = i;
}
else
{
rChilds.AddChromosome(m_aChromosomes[iFirstCrossing].Crossbreeding
(m_aChromosomes[i]));
iFirstCrossing = -1;
}
}
}
return(rChilds);
}
