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78 lines
3.0 KiB
Python
78 lines
3.0 KiB
Python
# Copyright 2023 The JAX Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from absl.testing import absltest
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import jax
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import jax.extend as jex
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from jax._src import linear_util
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from jax._src import prng
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from jax._src import test_util as jtu
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from jax import config
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config.parse_flags_with_absl()
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class ExtendTest(jtu.JaxTestCase):
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def test_symbols(self):
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# Assume these are tested in random_test.py, only check equivalence
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self.assertIs(jex.random.PRNGImpl, prng.PRNGImpl)
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self.assertIs(jex.random.seed_with_impl, prng.seed_with_impl)
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self.assertIs(jex.random.threefry2x32_p, prng.threefry2x32_p)
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self.assertIs(jex.random.threefry_2x32, prng.threefry_2x32)
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self.assertIs(jex.random.threefry_prng_impl, prng.threefry_prng_impl)
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self.assertIs(jex.random.rbg_prng_impl, prng.rbg_prng_impl)
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self.assertIs(jex.random.unsafe_rbg_prng_impl, prng.unsafe_rbg_prng_impl)
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# Assume these are tested elsewhere, only check equivalence
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self.assertIs(jex.linear_util.StoreException, linear_util.StoreException)
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self.assertIs(jex.linear_util.WrappedFun, linear_util.WrappedFun)
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self.assertIs(jex.linear_util.cache, linear_util.cache)
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self.assertIs(jex.linear_util.merge_linear_aux, linear_util.merge_linear_aux)
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self.assertIs(jex.linear_util.transformation, linear_util.transformation)
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self.assertIs(jex.linear_util.transformation_with_aux, linear_util.transformation_with_aux)
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self.assertIs(jex.linear_util.wrap_init, linear_util.wrap_init)
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class RandomTest(jtu.JaxTestCase):
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def test_wrap_key_default(self):
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key1 = jax.random.key(17)
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data = jax.random.key_data(key1)
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key2 = jex.random.wrap_key_data(data)
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self.assertEqual(key1.dtype, key2.dtype)
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self.assertArraysEqual(jax.random.key_data(key1),
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jax.random.key_data(key2))
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impl = config.jax_default_prng_impl
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key3 = jex.random.wrap_key_data(data, impl=impl)
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self.assertEqual(key1.dtype, key3.dtype)
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self.assertArraysEqual(jax.random.key_data(key1),
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jax.random.key_data(key3))
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def test_wrap_key_explicit(self):
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key1 = jax.random.key(17, impl='rbg')
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data = jax.random.key_data(key1)
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key2 = jex.random.wrap_key_data(data, impl='rbg')
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self.assertEqual(key1.dtype, key2.dtype)
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self.assertArraysEqual(jax.random.key_data(key1),
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jax.random.key_data(key2))
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key3 = jex.random.wrap_key_data(data, impl='unsafe_rbg')
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self.assertNotEqual(key1.dtype, key3.dtype)
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if __name__ == "__main__":
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absltest.main(testLoader=jtu.JaxTestLoader())
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