[ot][spam][crazy][spam][confused code] asdf!

[Undescribed Horrific Abuse, One Victim & Survivor of Many]

>>> def remainings(idx, remaining_count, remaining, min_delay):
...     a = (remaining / remaining_count - min_delay) / (remaining_count - 1)
...     b = min_delay - a
...     return a * idx * idx + b * idx
...
>>> import random
>>> min_delay = random.random()
>>> remaining = random.random()
>>> remaining_count = int(random.random() * 64)
>>> remainings(0, remaining_count, remaining, min_delay)
0.0
>>> remainings(1, remaining_count, remaining, min_delay) - min_delay
0.0
>>> remainings(remaining_count, remaining_count, remaining, min_delay) - remaining
2.55351295663786e-15

parts moved around to elide mistakes

ok, the final issue is there are remaining_count + 1 instances rather
than remaining_count ... one at eta and one with remaining left ....
ummmm i think that's in line with how remaining_count is calculated.
one of them would be part of a different one-sided window. could be
wrong.