def testId(self): # valid calls DcmtRandom(id=20, gen_seed=1) DcmtRandom.range(1, 4, gen_seed=1) DcmtRandomState(id=3000, gen_seed=1) DcmtRandomState.range(100, 103, gen_seed=1) mt_range(4, gen_seed=1) # check that range functions behave like Python range() for func in (DcmtRandom.range, DcmtRandomState.range, mt_range): for args in ((), (1, 2, 3)): self.assertRaises(TypeError, func, *args) self.assertEqual(func(3, 1), []) # error: id < 0 self.assertRaises(DcmtParameterError, DcmtRandom, id=-1, gen_seed=1) self.assertRaises(DcmtParameterError, DcmtRandom.range, -1, 3, gen_seed=1) self.assertRaises(DcmtParameterError, DcmtRandomState, id=-1, gen_seed=1) self.assertRaises(DcmtParameterError, DcmtRandomState.range, -1, 2, gen_seed=1) self.assertRaises(DcmtParameterError, mt_range, -1, 3, gen_seed=1) # error: id > 65535 self.assertRaises(DcmtParameterError, DcmtRandom, id=65536, gen_seed=1) self.assertRaises(DcmtParameterError, DcmtRandom.range, 65535, 65537, gen_seed=1) self.assertRaises(DcmtParameterError, DcmtRandomState, id=65536, gen_seed=1) self.assertRaises(DcmtParameterError, DcmtRandomState.range, 65535, 65537, gen_seed=1) self.assertRaises(DcmtParameterError, mt_range, 65534, 65539, gen_seed=1) self.assertRaises(DcmtParameterError, mt_range, 65536, 65539, gen_seed=1)
def testId(self):
# valid calls
DcmtRandom(id=20, gen_seed=1)
DcmtRandom.range(1, 4, gen_seed=1)
DcmtRandomState(id=3000, gen_seed=1)
DcmtRandomState.range(100, 103, gen_seed=1)
mt_range(4, gen_seed=1)
# check that range functions behave like Python range()
for func in (DcmtRandom.range, DcmtRandomState.range, mt_range):
for args in ((), (1, 2, 3)):
self.assertRaises(TypeError, func, *args)
self.assertEqual(func(3, 1), [])
# error: id < 0
self.assertRaises(DcmtParameterError, DcmtRandom, id=-1, gen_seed=1)
self.assertRaises(DcmtParameterError,
DcmtRandom.range,
-1,
3,
gen_seed=1)
self.assertRaises(DcmtParameterError,
DcmtRandomState,
id=-1,
gen_seed=1)
self.assertRaises(DcmtParameterError,
DcmtRandomState.range,
-1,
2,
gen_seed=1)
self.assertRaises(DcmtParameterError, mt_range, -1, 3, gen_seed=1)
# error: id > 65535
self.assertRaises(DcmtParameterError, DcmtRandom, id=65536, gen_seed=1)
self.assertRaises(DcmtParameterError,
DcmtRandom.range,
65535,
65537,
gen_seed=1)
self.assertRaises(DcmtParameterError,
DcmtRandomState,
id=65536,
gen_seed=1)
self.assertRaises(DcmtParameterError,
DcmtRandomState.range,
65535,
65537,
gen_seed=1)
self.assertRaises(DcmtParameterError,
mt_range,
65534,
65539,
gen_seed=1)
self.assertRaises(DcmtParameterError,
mt_range,
65536,
65539,
gen_seed=1)
def testGetrandbits(self): rng = DcmtRandom(gen_seed=55) rng.seed(555) stop = 2 ** 64 randoms = numpy.array([float(rng.randrange(0, stop)) for i in xrange(1000)]) diff_mean, diff_var = testLimits(randoms, 0, stop) self.assert_(diff_mean < 0.05) self.assert_(diff_var < 0.05)
def testGetrandbits(self):
rng = DcmtRandom(gen_seed=55)
rng.seed(555)
stop = 2**64
randoms = numpy.array(
[float(rng.randrange(0, stop)) for i in xrange(1000)])
diff_mean, diff_var = testLimits(randoms, 0, stop)
self.assert_(diff_mean < 0.05)
self.assert_(diff_var < 0.05)