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65 lines
1.6 KiB
Python
65 lines
1.6 KiB
Python
# Copyright 2024 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 __future__ import annotations
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from dataclasses import dataclass
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from absl.testing import absltest
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from absl.testing import parameterized
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import jax
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from jax._src import config
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from jax._src import test_util as jtu
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from jax._src.util import safe_zip, safe_map
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from jax.experimental.attrs import jax_setattr, jax_getattr
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config.parse_flags_with_absl()
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map, unsafe_map = safe_map, map
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zip, unsafe_zip = safe_zip, zip
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@dataclass
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class Thing:
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x: float
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class AttrsTest(jtu.JaxTestCase):
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@parameterized.parameters([True, False])
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def test_basic(self, jit: bool):
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thing = Thing(1.0)
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def double_it() -> None:
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cur_x = jax_getattr(thing, "x")
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jax_setattr(thing, "x", cur_x * 2)
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if jit:
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double_it = jax.jit(double_it)
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self.assertEqual(thing.x, 1.0)
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double_it()
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self.assertEqual(thing.x, 2.0)
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double_it()
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self.assertEqual(thing.x, 4.0)
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double_it()
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self.assertEqual(thing.x, 8.0)
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double_it()
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self.assertEqual(thing.x, 16.0)
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if __name__ == '__main__':
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absltest.main(testLoader=jtu.JaxTestLoader())
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