private void IndirectReplacementParasite(int index, TestCaseGen testCaseGen)
{
testCaseGen.Vector.RemoveAt(index);
int newNum = Rand.Next() % VectorSize;
testCaseGen.Vector.Insert(Rand.Next() % testCaseGen.Vector.Count, newNum);
}
private void mate_by_method_parasite(TestCaseGen bufGen, TestCaseGen gen1, TestCaseGen gen2)
{
int spos = Rand.Next() % VectorSize;
int spos2 = Rand.Next() % (VectorSize - spos) + spos;
switch (CrosMethod)
{
case CrossoverMethod.SinglePoint:
var start1 = gen1.Vector.GetRange(0, spos);
var end1 = gen2.Vector.GetRange(spos, VectorSize - spos);
bufGen.Vector = new List <int>(start1.Concat(end1));
break;
case CrossoverMethod.TwoPoint:
var start2 = gen1.Vector.GetRange(0, spos);
var mid2 = gen1.Vector.GetRange(spos, spos2 - spos);
var end2 = gen1.Vector.GetRange(spos2, VectorSize - spos2);
var temp = (List <int>)start2.Concat(mid2);
bufGen.Vector = new List <int>(temp.Concat(end2));
break;
case CrossoverMethod.Uniform:
for (int j = 0; j < VectorSize; j++)
{
// randomlly choose char from either gens
int genToChoose = Rand.Next() % 2;
bufGen.Vector[j] = (genToChoose == 0) ? gen1.Vector[j] : gen2.Vector[j];
}
break;
}
}
private void MutateParsite(TestCaseGen testCaseGen)
{
switch (MutationOpt)
{
case MutationOperator.IndirectReplacement:
IndirectReplacementParasite(Rand.Next() % VectorSize, testCaseGen);
break;
case MutationOperator.Exchange:
int pos1 = Rand.Next() % VectorSize;
int pos2 = Rand.Next() % VectorSize;
var temp = testCaseGen.Vector[pos1];
testCaseGen.Vector[pos1] = testCaseGen.Vector[pos2];
testCaseGen.Vector[pos2] = temp;
break;
case MutationOperator.PointMutation3Times:
int firstPos = Rand.Next() % VectorSize;
for (int i = firstPos; i < firstPos + 3 && i < VectorSize; i++)
{
IndirectReplacementParasite(i, testCaseGen);
}
break;
default: throw new Exception("the selected mutation opertator is not suported in chilis exp");
}
}
