def test1(self):
x_hat = np.array([0.999])
print("diff: ",
np.log(x_hat) - np.array([student_ln(x) for x in x_hat]))
assert np.all(
np.abs(np.log(x_hat) - np.array([student_ln(x)
for x in x_hat])) < EPSILON)
def test3(self):
assert float('-inf') == student_ln(0)
def test2(self):
assert np.abs(student_ln(np.e) - 1.0) < EPSILON
def test1(self):
x_hat = np.array([10, 20, 30])
assert np.all(
np.abs(np.log(x_hat) - np.array([student_ln(x)
for x in x_hat])) < EPSILON)