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Fix tac, toc, loop_timer to return float #387

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merged 2 commits into from
Feb 6, 2018
Merged

Fix tac, toc, loop_timer to return float #387

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cbfefc9
Fix tac, toc, loop_timer to return float
oyamad Feb 3, 2018
f49bd9b
BUG: Fix average_of_best in loop_timer
oyamad Feb 3, 2018
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64 changes: 19 additions & 45 deletions quantecon/util/tests/test_timing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,83 +6,57 @@

import time
from numpy.testing import assert_allclose
from nose.tools import eq_
from nose.tools import eq_, ok_
from quantecon.util import tic, tac, toc, loop_timer


class TestTicTacToc():
def setUp(self):
self.h = 0.1
self.h = 0.1
self.digits = 10

def test_timer(self):
tic()

time.sleep(self.h)
tm1 = float(tac())
tm1 = tac()

time.sleep(self.h)
tm2 = float(tac())
tm2 = tac()

time.sleep(self.h)
tm3 = float(toc())
tm3 = toc()

rtol = 0.1
for actual, desired in zip([tm1, tm2, tm3], [self.h, self.h, self.h*3]):
for actual, desired in zip([tm1, tm2, tm3],
[self.h, self.h, self.h*3]):
assert_allclose(actual, desired, rtol=rtol)

def test_digits(self):
tic()

time.sleep(self.h)
tm1 = tac(self.digits)

time.sleep(self.h)
tm2 = tac(self.digits)

time.sleep(self.h)
tm3 = toc(self.digits)

eq_(len(str(tm1).split(".")[1]), 10)
eq_(len(str(tm2).split(".")[1]), 10)
eq_(len(str(tm3).split(".")[1]), 10)

def test_output(self):
tic()

time.sleep(self.h)
tm1 = tac(self.digits, True, False)

time.sleep(self.h)
tm2 = tac(self.digits, True, False)

time.sleep(self.h)
tm3 = toc(self.digits, True, False)

eq_(tm1, None)
eq_(tm2, None)
eq_(tm3, None)

def test_loop(self):
def test_function_one_arg(n):
return time.sleep(n)

def test_function_two_arg(n, a):
return time.sleep(n)

test_one_arg = loop_timer(5, test_function_one_arg, self.h, 10)
test_two_arg = loop_timer(5, test_function_two_arg, [self.h, 1], 10)
test_one_arg = \
loop_timer(5, test_function_one_arg, self.h, digits=10)
test_two_arg = \
loop_timer(5, test_function_two_arg, [self.h, 1], digits=10)
for tm in test_one_arg:
assert(abs(float(tm)-self.h)<0.01)
assert(abs(tm - self.h) < 0.01)
for tm in test_two_arg:
assert(abs(float(tm)-self.h)<0.01)
assert(abs(tm - self.h) < 0.01)

for (average_time, average_of_best) in [test_one_arg, test_two_arg]:
ok_(average_time >= average_of_best)



if __name__ == '__main__':
import sys
import nose

argv = sys.argv[:]
argv.append('--verbose')
argv.append('--nocapture')
nose.main(argv=argv, defaultTest=__file__)
nose.main(argv=argv, defaultTest=__file__)
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