code: @Override
  	protected double[] probabilities(
  		final Seq<Phenotype<G, C>> population,
  		final int count
  	) {
  		assert population != null : "Population must not be null. ";
  		assert !population.isEmpty() : "Population is empty.";
  		assert count > 0 : "Population to select must be greater than zero. ";
  
  		final double N = population.size();
  		final double[] probabilities = new double[population.size()];
  
  		final double b = (_c - 1.0)/(pow(_c, N) - 1.0);
  		for (int i = 0; i < probabilities.length; ++i) {
  			probabilities[i] = pow(_c, i)*b;
  		}
  
  		return probabilities;
  	}
docs: This method sorts the population in descending order while calculating the
  selection probabilities.