bias_function           Create a biased test function...
cma_es                  Covariance matrix adapting evolutionary
                        strategy
extract_population      Extract the iter-th population...
f_rand                  Random function...
f_rastrigin             Rastrigin function...
f_rosenbrock            Rosenbrock function...
f_sphere                Sphere function...
rotate_function         Create a rotated test function...
shift_function          shift_function
