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37 changes: 28 additions & 9 deletions test/test_distributions.py
Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@
)
from numpyro.nn import AutoregressiveNN

TEST_FAILURE_RATE = 2e-5 # For all goodness-of-fit tests.
TEST_FAILURE_RATE = 2.6e-06 # For all goodness-of-fit tests.


def my_kron(A, B):
Expand Down Expand Up @@ -1870,6 +1870,15 @@ def fn(*args):
return jnp.sum(jax_dist(*args).log_prob(value))

eps = 1e-3
atol = 0.01
rtol = 0.01
if jax_dist is dist.EulerMaruyama:
atol = 0.064
rtol = 0.042
elif jax_dist is dist.NegativeBinomialLogits:
atol = 0.013
rtol = 0.044

for i in range(len(params)):
if jax_dist is dist.EulerMaruyama and i == 1:
# skip taking grad w.r.t. sde_fn
Expand Down Expand Up @@ -1900,7 +1909,7 @@ def fn(*args):
# grad w.r.t. `value` of Delta distribution will be 0
# but numerical value will give nan (= inf - inf)
expected_grad = 0.0
assert_allclose(jnp.sum(actual_grad), expected_grad, rtol=0.01, atol=0.01)
assert_allclose(jnp.sum(actual_grad), expected_grad, rtol=rtol, atol=atol)


@pytest.mark.parametrize(
Expand Down Expand Up @@ -1968,8 +1977,12 @@ def test_mean_var(jax_dist, sp_dist, params):
if jnp.all(jnp.isfinite(sp_mean)):
assert_allclose(jnp.mean(samples, 0), d_jax.mean, rtol=0.05, atol=1e-2)
if jnp.all(jnp.isfinite(sp_var)):
rtol = 0.05
atol = 1e-2
if jax_dist is dist.InverseGamma:
rtol = 0.054
assert_allclose(
jnp.std(samples, 0), jnp.sqrt(d_jax.variance), rtol=0.05, atol=1e-2
jnp.std(samples, 0), jnp.sqrt(d_jax.variance), rtol=rtol, atol=atol
)
elif jax_dist in [dist.LKJ, dist.LKJCholesky]:
if jax_dist is dist.LKJCholesky:
Expand Down Expand Up @@ -1998,8 +2011,8 @@ def test_mean_var(jax_dist, sp_dist, params):
)
expected_std = expected_std * (1 - jnp.identity(dimension))

assert_allclose(jnp.mean(corr_samples, axis=0), expected_mean, atol=0.01)
assert_allclose(jnp.std(corr_samples, axis=0), expected_std, atol=0.01)
assert_allclose(jnp.mean(corr_samples, axis=0), expected_mean, atol=0.011)
assert_allclose(jnp.std(corr_samples, axis=0), expected_std, atol=0.011)
elif jax_dist in [dist.VonMises]:
# circular mean = sample mean
assert_allclose(d_jax.mean, jnp.mean(samples, 0), rtol=0.05, atol=1e-2)
Expand Down Expand Up @@ -2453,7 +2466,11 @@ def test_biject_to(constraint, shape):

# test inv
z = transform.inv(y)
assert_allclose(x, z, atol=1e-5, rtol=1e-5)
atol = 1e-5
rtol = 1e-5
if constraint in [constraints.l1_ball]:
atol = 5e-5
assert_allclose(x, z, atol=atol, rtol=rtol)

# test domain, currently all is constraints.real or constraints.real_vector
assert_array_equal(transform.domain(z), jnp.ones(batch_shape))
Expand Down Expand Up @@ -2590,9 +2607,11 @@ def test_bijective_transforms(transform, event_shape, batch_shape):
else:
expected = jnp.log(jnp.abs(grad(transform)(x)))
inv_expected = jnp.log(jnp.abs(grad(transform.inv)(y)))

assert_allclose(actual, expected, atol=1e-6)
assert_allclose(actual, -inv_expected, atol=1e-6)
atol = 1e-6
if isinstance(transform, transforms.ComposeTransform):
atol = 2.2e-6
assert_allclose(actual, expected, atol=atol)
assert_allclose(actual, -inv_expected, atol=atol)


@pytest.mark.parametrize("batch_shape", [(), (5,)])
Expand Down
7 changes: 4 additions & 3 deletions test/test_distributions_util.py
Original file line number Diff line number Diff line change
Expand Up @@ -133,13 +133,14 @@ def test_vec_to_tril_matrix(shape, diagonal):
@pytest.mark.parametrize("dim", [1, 4])
@pytest.mark.parametrize("coef", [1, -1])
def test_cholesky_update(chol_batch_shape, vec_batch_shape, dim, coef):
A = random.normal(random.PRNGKey(0), chol_batch_shape + (dim, dim))
key1, key2 = random.split(random.PRNGKey(0))
A = random.normal(key1, chol_batch_shape + (dim, dim))
A = A @ jnp.swapaxes(A, -2, -1) + jnp.eye(dim)
x = random.normal(random.PRNGKey(0), vec_batch_shape + (dim,)) * 0.1
x = random.normal(key2, vec_batch_shape + (dim,)) * 0.1
xxt = x[..., None] @ x[..., None, :]
expected = jnp.linalg.cholesky(A + coef * xxt)
actual = cholesky_update(jnp.linalg.cholesky(A), x, coef)
assert_allclose(actual, expected, atol=1e-4, rtol=1e-4)
assert_allclose(actual, expected, atol=3.8e-4, rtol=1e-4)


@pytest.mark.parametrize("n", [10, 100, 1000])
Expand Down
5 changes: 3 additions & 2 deletions test/test_handlers.py
Original file line number Diff line number Diff line change
Expand Up @@ -139,8 +139,9 @@ def model(data):
numpyro.sample("obs", dist.Normal(x, 1), obs=data)

model = model if use_context_manager else handlers.scale(model, 10.0)
data = random.normal(random.PRNGKey(0), (3,))
x = random.normal(random.PRNGKey(1))
key1, key2 = random.split(random.PRNGKey(0))
data = random.normal(key1, (3,))
x = random.normal(key2)
log_joint = log_density(model, (data,), {}, {"x": x})[0]
log_prob1, log_prob2 = (
dist.Normal(0, 1).log_prob(x),
Expand Down
8 changes: 3 additions & 5 deletions test/test_transforms.py
Original file line number Diff line number Diff line change
Expand Up @@ -315,13 +315,11 @@ def test_bijective_transforms(transform, shape):
assert x2.shape == transform.inverse_shape(y.shape)
# Some transforms are a bit less stable; we give them larger tolerances.
atol = 1e-6
less_stable_transforms = (
CorrCholeskyTransform,
L1BallTransform,
StickBreakingTransform,
)
less_stable_transforms = (CorrCholeskyTransform, StickBreakingTransform)
if isinstance(transform, less_stable_transforms):
atol = 1e-2
elif isinstance(transform, (L1BallTransform, RecursiveLinearTransform)):
atol = 0.099
assert jnp.allclose(x1, x2, atol=atol)

log_abs_det_jacobian = transform.log_abs_det_jacobian(x1, y)
Expand Down
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