def test_rvs(self):
for mu, sigma, q in [(0, 1, .1),
(-1, 3, 3),]:
qn = qlognormal_gen(mu, sigma, q)
#tdb.check_ppf_ppf(qn, ())
#tdb.check_cdf_ppf(qn, (), '')
try:
check_d_samples(qn, n=10000)
except:
print mu, sigma, q
raise
def test_offgrid_float(self):
mu, sigma, q = (-.5, 2, .2)
qn = qlognormal_gen(mu, sigma, q)
assert qn.pmf(0) > qn.pmf(.2) > qn.pmf(2) > 0
assert qn.pmf(.1) == qn.pmf(.2 - .001) == qn.pmf(-.2) == 0
def test_offgrid_int(self):
mu, sigma, q = (1, 2, 2)
qn = qlognormal_gen(mu, sigma, q)
assert qn.pmf(0) > qn.pmf(2) > qn.pmf(20) > 0
assert qn.pmf(1) == qn.pmf(2 - .001) == qn.pmf(-1) == 0
def test_bigq(self):
mu, sigma, q = (-20, 4, 3)
qn = qlognormal_gen(mu, sigma, q)
check_d_samples(qn, n=10000)
def test_smallq(self):
mu, sigma, q = (0, 1, .1)
qn = qlognormal_gen(mu, sigma, q)
check_d_samples(qn, n=10000)
def test_output_type_float(self):
assert float == type(qlognormal_gen(0, 10, 1.0).rvs())
def test_output_type_int(self):
result = qlognormal_gen(0, 10, 1).rvs()
assert int == type(result)
