counting_function       Count number of function evaluations
first_hitting_times     Return numerical vector of first hitting times,
                        counted in function evaluations.
function_id             Function ID
function_name           Function name
generate_ackley_function
                        Ackley test function generator
generate_batman_function
                        Generator for the Batman function.
generate_bbob2009_function
                        (Noisy) BBOB 2009 test function generator.
generate_beale_function
                        Generator for the Beale test function.
generate_branin_function
                        Generator for the Branin test function.
generate_chained_LQ_function
                        Chained LQ test function generator.
generate_chained_cb3_i_function
                        Chained CB3 I test function generator.
generate_chained_cb3_ii_function
                        Chained CB3 II test function generator.
generate_chained_crescent_II_function
                        Chained Crescent II function generator.
generate_chained_crescent_I_function
                        Chained Crescent I function generator.
generate_chained_mifflin_function
                        Chained Mifflin 2 function generator.
generate_discus_function
                        Discus test function generator.
generate_double_sum_function
                        Double sum test function generator.
generate_ellipsoidal_function
                        Generator for ellipsoidal test functions.
generate_generalized_maxq_function
                        Generalized MAXQ test function generator.
generate_generalized_mxhilb_function
                        Generalized MXHILB test function generator.
generate_goldstein_price_function
                        Generator for the Goldstein-Price function.
generate_griewank_function
                        Griewank test function generator.
generate_happycat_function
                        Generator for the Happycat function.
generate_himmelblau_function
                        Generator for the Himmelblau test function.
generate_kotanchek_function
                        Kotanchek test function generator.
generate_mexican_hat_function
                        Mexican hat test function generator.
generate_nonsmooth_generalized_brown_2_function
                        Nonsmooth generalized Brown function 2 function
                        generator.
generate_number_of_active_faces_function
                        Number of active faces test function generator.
generate_rastrigin_function
                        Rastrigin test function generator.
generate_rosenbrock_function
                        Rosenbrock test function generator.
generate_sphere_function
                        Sphere test function generator.
generate_weierstrass_function
                        Generator for the Weierstrass function.
global_minimum          Global Optimum
inner_function          Retrieve the inner function contained in a
                        wrapping function.
is_counting_function    Counting function
is_recording_function   Recording function
is_soo_function         Single Objective Optimization Function
is_soo_function_generator
                        SOO function generator
lower_bounds            Retrieve the lower or upper bounds of a test
                        function.
number_of_evaluations   Retrieve evaluation counter
number_of_parameters    Number of parameters
plot.soo_function       Plot a test function in 1 or 2 dimensions.
plot3d                  Plot a test function in 3D.
plot_1d_soo_function    Plot a test function in 1D.
plot_2d_soo_function    Plot a test function in 2D.
print.soo_function      Print a SOO function.
random_parameters       Random parameter generation
random_rotation_matrix
                        Generate a random 'd'-dimensional rotation
                        matrix.
recorded_values         Return the internally recorded parameter
                        settings and function values for a test
                        function.
recording_function      Recording functions
reset_evaluation_counter
                        Reset evaluation counter
rotate_parameter_space
                        Rotate the parameter space of a SOO function.
soo_function            Single Objective Optimization Function
with_fixed_budget       Fixed budget expression evaluation Evaluate
                        'expr' with a fixed budget for the number of
                        times any test function in 'expr' may be
                        evaluated.
