closure_count_initial   Count CLOSURE samples in advance
closure_gauge_complexity
                        Heuristic to predict CLOSURE runtime
closure_generate        Generate CLOSURE samples
closure_horns_analyze   Horns index for each CLOSURE sample
closure_plot_bar        Visualize CLOSURE data in a histogram
closure_plot_ecdf       Visualize CLOSURE data in an ECDF plot
closure_write           Write CLOSURE results to disk (and read them
                        back in)
horns                   Horns index (h)
