/// <summary>
/// Genetic mutation for auxiliary argument data.
/// </summary>
public void MutateAuxArgs(double[] auxArgs, FastRandom rng, ZigguratGaussianSampler gaussianSampler, double connectionWeightRange)
{
throw new SharpNeatException("MutateAuxArgs() called on activation function that does not use auxiliary arguments.");
}
/// <summary>
/// Genetic mutation for auxiliary argument data.
/// </summary>
public void MutateAuxArgs(double[] auxArgs, FastRandom rng, ZigguratGaussianSampler gaussianSampler, double connectionWeightRange)
{
// Mutate center.
// Add gaussian ditribution sample and clamp result to +-connectionWeightRange.
double tmp = auxArgs[0] + gaussianSampler.NextSample(0, _auxArgsMutationSigmaCenter);
if(tmp < -connectionWeightRange) {
auxArgs[0] = -connectionWeightRange;
}
else if(tmp > connectionWeightRange) {
auxArgs[0] = connectionWeightRange;
}
else {
auxArgs[0] = tmp;
}
// Mutate radius.
// Add gaussian ditribution sample and clamp result to [0,1]
tmp = auxArgs[1] + gaussianSampler.NextSample(0, _auxArgsMutationSigmaRadius);
if(tmp < 0.0) {
auxArgs[1] = 0.0;
}
else if(tmp > 1.0) {
auxArgs[1] = 1.0;
}
else {
auxArgs[1] = tmp;
}
}
