[mlpack-git] [mlpack/mlpack] Neural evolution algorithms implementation (CNE, NEAT, HyperNEAT) (#686)

[Excalibur]

> +    childGenomes.push_back(lastBestGenome);
> +    ssize_t currentNumGenome = childGenomes.size() + aPopulation.PopulationSize();
> +    while (currentNumGenome < aPopulationSize) {
> +      ssize_t speciesIndex = mlpack::math::RandInt(0, aPopulation.aSpecies.size());
> +      Genome genome;
> +      bool hasBaby = BreedChild(aPopulation.aSpecies[speciesIndex], genome, aCrossoverRate);
> +      if (hasBaby) {
> +        childGenomes.push_back(genome);
> +        ++currentNumGenome;
> +      }
> +    }
> +
> +    // Speciate genomes into new species.
> +    std::vector<Genome> populationGenomes;
> +    AggregateGenomes(aPopulation, populationGenomes);
> +    aPopulation.aSpecies.clear();

Oh, yes! Revised this!

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