def test_kirkpatrick_cooling():
start_temp = 1
rate = 0.9
coooling_schedule = sa.kirkpatrick_cooling(start_temp, rate)
assert coooling_schedule.next() == start_temp
assert coooling_schedule.next() == start_temp * rate
assert coooling_schedule.next() == start_temp * rate * rate
assert coooling_schedule.next() == start_temp * rate * rate * rate
import matplotlib
matplotlib.use("TkAgg")
from pylab import *
import sys
from sa import P, kirkpatrick_cooling
if sys.argv[1] == "P":
coords = [x * 0.1 for x in range(0, 100)]
plot(coords, [P(x, 0, 1) for x in coords], "b-")
xlabel("difference")
ylabel("probability")
show()
else:
cooling = kirkpatrick_cooling(100, 0.9)
coords = range(0, 100)
plot(coords, [t for i, t in zip(coords, cooling)], "b-")
xlabel("time")
ylabel("temperature")
show()
