def run(self):
slow_modifier = 3
greedy_modifier = 100000
dp_modifier = 100
# V_slow = [1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30]
V_slow = []
V_greedy = []
V_dp = []
self.time_out.write(", ")
for i in range(10, 510, 10):
self.time_out.write("%d, " % i)
V_slow.append(self.get_V_of_length_for_modifier(i, slow_modifier))
V_greedy.append(self.get_V_of_length_for_modifier(i, greedy_modifier))
V_dp.append(self.get_V_of_length_for_modifier(i, dp_modifier))
self.time_out.write_line("")
A_slow = 10 * slow_modifier
A_greedy = 10 * greedy_modifier
A_dp = 10 * dp_modifier
self.time_out.write("CHANGESLOW, ")
for V in V_slow:
start_slow = time.clock()
(denominations_slow, total_slow) = changeslow(V, A_slow)
duration_slow = time.clock() - start_slow
self.time_out.write("%f, " % duration_slow)
self.time_out.write("\nCHANGEGREEDY, ")
for V in V_greedy:
start_greedy = time.clock()
(denominations_greedy, total_greedy) = changegreedy(V, A_greedy)
duration_greedy = time.clock() - start_greedy
self.time_out.write("%f, " % duration_greedy)
self.time_out.write("\nCHANGEDP, ")
for V in V_dp:
start_dp = time.clock()
(denominations_dp, total_dp) = changedp(V, A_dp)
duration_dp = time.clock() - start_dp
self.time_out.write("%f, " % duration_dp)
self.time_out.write_line("")
self.time_out.close()
def run(self):
V = [1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30]
A_list = range(2000, 2201)
self.time_out.write_line("Problem6")
A_list_string = ("%s" % A_list)[1:-1]
self.totals_out.write_line(" , " + A_list_string + ",")
self.time_out.write_line(" , " + A_list_string + ",")
self.totals_out.write("CHANGESLOW, ")
self.time_out.write("CHANGESLOW, ")
for A in A_list:
start_slow = time.clock()
(denominations_slow, total_slow) = changeslow(V, A - 1999)
duration_slow = time.clock() - start_slow
self.totals_out.write("%d, " % total_slow)
self.time_out.write("%f, " % duration_slow)
self.totals_out.write_line("")
self.time_out.write_line("")
self.totals_out.write("CHANGEGREEDY, ")
self.time_out.write("CHANGEGREEDY, ")
for A in A_list:
start_greedy = time.clock()
(denominations_greedy, total_greedy) = changegreedy(V, A)
duration_greedy = time.clock() - start_greedy
self.totals_out.write("%d, " % total_greedy)
self.time_out.write("%f, " % duration_greedy)
self.totals_out.write_line("")
self.time_out.write_line("")
self.totals_out.write("CHANGEDP, ")
self.time_out.write("CHANGEDP, ")
for A in A_list:
start_dp = time.clock()
(denominations_dp, total_dp) = changedp(V, A)
duration_dp = time.clock() - start_dp
self.totals_out.write("%d, " % total_dp)
self.time_out.write("%f, " % duration_dp)
self.totals_out.write_line("")
self.time_out.write_line("")
self.totals_out.close()
fileReader = FileReader(file_name + ".txt")
data = fileReader.read_data()
fileReader.close()
fileWriter = FileWriter(file_name + "change.txt")
for i in data:
V, A = i
fileWriter.write_line("for problem:")
fileWriter.write_result((V, A))
fileWriter.write_line("results are: \n")
if A <= 30:
result = changeslow(V, A)
fileWriter.write("changeslow:\n")
fileWriter.write_result(result)
else:
fileWriter.write_line("changeslow cannot run on problems of size %d in a timely manner" % A)
result = changegreedy(V, A)
fileWriter.write("changegreedy:\n")
fileWriter.write_result(result)
result = changedp(V, A)
fileWriter.write("changedp:\n")
fileWriter.write_result(result)
fileWriter.write_line("----------------------")
def test_changeslow_set3(self):
V, A, expected_all = self.test_set_3
expected = expected_all[0]
actual = changeslow(V, A)
self.assertEqual(expected, actual)