Ben Bacarisse <ben.use...@bsb.me.uk> writes: > Daniel Bastos <dbas...@toledo.com> writes: > >> def make_sequence_non_recursive(N, x0 = 2, c = -1): >> "What's wrong with this function? It's very slow." >> last = x0 >> def sequence(): >> nonlocal last >> next = last >> last = last**2 + c >> return next % N >> return sequence >> >> It crawls pretty soon. Please advise? > > A mathematical rather than Python answer... change it to > > last = (last**2 + c) % N > return next
Amazing! That was an accident. Thanks for pointing that out! -- https://mail.python.org/mailman/listinfo/python-list
