diff options
Diffstat (limited to 'test/test_backend.py')
| -rw-r--r-- | test/test_backend.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/test/test_backend.py b/test/test_backend.py index bc5b00c..cbfaf94 100644 --- a/test/test_backend.py +++ b/test/test_backend.py @@ -345,7 +345,8 @@ def test_gradients_backends(): rnd = np.random.RandomState(0) v = rnd.randn(10) - c = rnd.randn(1) + c = rnd.randn() + e = rnd.randn() if torch: @@ -362,3 +363,15 @@ def test_gradients_backends(): assert torch.equal(v2.grad, v2) assert torch.equal(c2.grad, c2) + + if jax: + nx = ot.backend.JaxBackend() + with jax.checking_leaks(): + def fun(a, b, d): + val = b * nx.sum(a ** 4) + d + return nx.set_gradients(val, (a, b, d), (a, b, 2 * d)) + grad_val = jax.grad(fun, argnums=(0, 1, 2))(v, c, e) + + np.testing.assert_almost_equal(fun(v, c, e), c * np.sum(v ** 4) + e, decimal=4) + np.testing.assert_allclose(grad_val[0], v, atol=1e-4) + np.testing.assert_allclose(grad_val[2], 2 * e, atol=1e-4) |