public static IInd Mutation(IInd inpStringInd, double rate)
{
double[] values = inpStringInd.getDoubleArray();
for (int i = 0; i < values.Length; i++)
{
var r = Rand.NextDouble();
if (r <= rate)
{
values[i] = Rand.NextDouble() * (maxVal - minVal) + minVal;
}
}
IInd res = new DoubleInd(values);
return res;
}
public static Tuple<IInd, IInd> Crossover(Tuple<IInd, IInd> inp)
{
//Two point crossover
var p1Bits = inp.Item1.getDoubleArray();
var p2Bits = inp.Item2.getDoubleArray();
var c1Bits = new double[p1Bits.Length];
p1Bits.CopyTo(c1Bits, 0);
var c2Bits = new double[p1Bits.Length];
p2Bits.CopyTo(c2Bits, 0);
var splitpoint1 = Rand.Next(1, p1Bits.Length - 1);
var splitpoint2 = Rand.Next(splitpoint1 + 1, p1Bits.Length);
for (int i = splitpoint1; i <= splitpoint2; i++)
{
c1Bits[i] = p2Bits[i];
c2Bits[i] = p1Bits[i];
}
IInd child1 = new DoubleInd(c1Bits);
IInd child2 = new DoubleInd(c2Bits);
return new Tuple<IInd, IInd>(child1, child2);
}
