| 960 | ## ----------------- test program ----------------------- |
| 961 | |
| 962 | def _test_generator(n, func, args): |
| 963 | from statistics import stdev, fmean as mean |
| 964 | from time import perf_counter |
| 965 | |
| 966 | t0 = perf_counter() |
| 967 | data = [func(*args) for i in _repeat(None, n)] |
| 968 | t1 = perf_counter() |
| 969 | |
| 970 | xbar = mean(data) |
| 971 | sigma = stdev(data, xbar) |
| 972 | low = min(data) |
| 973 | high = max(data) |
| 974 | |
| 975 | print(f'{t1 - t0:.3f} sec, {n} times {func.__name__}{args!r}') |
| 976 | print('avg %g, stddev %g, min %g, max %g\n' % (xbar, sigma, low, high)) |
| 977 | |
| 978 | |
| 979 | def _test(N=10_000): |