def test_log_mean_exp_fail_avg_prob_of_log_probs_succ(self):
X = np.abs(np.random.randn(100))
X[0] = 3000
safe = avg_prob_of_log_probs(X)
temp = X.copy()
temp[0] = 0
temp = np.exp(temp)
temp[0] = 0
manual_safe = np.mean(temp)
assert_allclose(safe, manual_safe)
def test_log_mean_exp_fail_avg_prob_of_log_probs_succ(self):
X = np.abs(np.random.randn(100))
X[0] = 3000
safe = avg_prob_of_log_probs(X)
temp = X.copy()
temp[0] = 0
temp = np.exp(temp)
temp[0] = 0
manual_safe = np.mean(temp)
assert_allclose(safe, manual_safe)
def test_log_mean_exp_equals_avg_prob_of_log_probs(self):
X = np.abs(np.random.randn(100))
direct_exp_log_mean_exp = np.exp(log_mean_exp(X))
safe = avg_prob_of_log_probs(X)
assert_allclose(direct_exp_log_mean_exp, safe)
def test_log_mean_exp_equals_avg_prob_of_log_probs(self):
X = np.abs(np.random.randn(100))
direct_exp_log_mean_exp = np.exp(log_mean_exp(X))
safe = avg_prob_of_log_probs(X)
assert_allclose(direct_exp_log_mean_exp, safe)
