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std and expm1 (#973)

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* std and expm1

* actually add expm1

* fix linux

* fix vjp

* relax tol for linux test

* Add it to the compilable primitives

---------

Co-authored-by: Angelos Katharopoulos <a_katharopoulos@apple.com>
This commit is contained in:
Awni Hannun
2024-04-08 14:26:01 -07:00
committed by GitHub
parent 76e63212ff
commit 42afe27e12
19 changed files with 332 additions and 6 deletions
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12
python/tests/test_ops.py
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@@ -725,6 +725,11 @@ class TestOps(mlx_tests.MLXTestCase):
out = mx.var(x, ddof=3)
self.assertEqual(out.item(), float("inf"))
def test_std(self):
x = mx.random.uniform(shape=(5, 5))
x_np = np.array(x)
self.assertAlmostEqual(mx.std(x).item(), x_np.std().item(), places=6)
def test_abs(self):
a = mx.array([-1.0, 1.0, -2.0, 3.0])
result = mx.abs(a)
@@ -839,6 +844,13 @@ class TestOps(mlx_tests.MLXTestCase):
self.assertTrue(np.allclose(result, expected))
def test_expm1(self):
a = mx.array([0, 0.5, -0.5, 5])
result = mx.expm1(a)
expected = np.expm1(a, dtype=np.float32)
self.assertTrue(np.allclose(result, expected, rtol=1e-5, atol=1e-5))
def test_erf(self):
inputs = [-5, 0.0, 0.5, 1.0, 2.0, 10.0]
x = mx.array(inputs)