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

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

work 2

def reversetimepoints(idx, mark_time, min_delay, eta, remaining_count):
  a = -((eta - mark_time) / remaining_count - min_delay) / (remaining_count - 1)
  b = -(a + min_delay)
  c = eta
  return (a * idx + b) * idx + c

>>> mark_time = random.random()
>>> eta = mark_time + random.random()
>>> remaining_count = int(64 * random.random())
>>> min_delay = random.random() * random.random()
>>> reversetimepoints(0, mark_time, min_delay, eta, remaining_count) - eta
0.0
>>> reversetimepoints(1, mark_time, min_delay, eta, remaining_count) - (eta - min_delay)
0.0
>>> reversetimepoints(remaining_count, mark_time, min_delay, eta, remaining_count) - mark_time
0.0


reversetimepoints[remaining_count] = mark_time
reversetimepoints[1] = eta - min_delay
reversetimepoints[0] = eta
y(x) = ax^2 + bx + c
y(0) = c = eta
y(1) = a + b + c = eta - min_delay
y(remaining_count) = a (remaining_count^2) + b (remaining_count) + c = mark_time
c = eta
a + b + c = eta - min_delay
a + b = -min_delay
a(remaining_count^2) + b(remaining_count) + eta = mark_time
b = -a - min_delay
a(remaining_count^2) - (a + min_delay)(remaining_count) + eta = mark_time
a(remaining_count^2) - (a * remaining_count + min_delay *
remaining_count) = mark_time - eta
a(remaining_count^2) - a * remaining_count - min_delay *
remaining_count = mark_time - eta
a(remaining_count^2) - a * remaining_count = mark_time - eta +
min_delay * remaining_count
a * (remaining_count^2 - remaining_count) = mark_time - eta +
min_delay * remaining_count
a * (remaining_count^2 - remaining_count) = (mark_time - eta +
min_delay * remaining_count) / (remaining_count^2 - remaining_count)
a = (mark_time - eta + min_delay * remaining_count) /
(remaining_count^2 - remaining_count)
a = ((mark_time - eta) / remaining_count + min_delay) / (remaining_count - 1)
a = (min_delay + (mark_time - eta) / remaining_count) / (remaining_count - 1)
a = (min_delay - (eta - mark_time) / remaining_count) / (remaining_count - 1)
a = -((eta - mark_time) / remaining_count - min_delay) / (remaining_count - 1)