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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import numpy as np
import pytest
import awkward as ak
jax = pytest.importorskip("jax")
jax.config.update("jax_enable_x64", True)
ak.jax.register_and_check()
def test_from_jax_1():
ak_array_1d = ak.Array(np.arange(10))
ak_array_2d = ak.Array([[1.1, 2.2], [3.3, 4.4], [5.5, 6.6], [7.7, 8.8]])
jax_array_1d = ak.to_jax(ak_array_1d)
jax_array_2d = ak.to_jax(ak_array_2d)
for i in range(10):
assert jax_array_1d[i] == ak_array_1d[i]
for i in range(4):
for j in range(2):
assert jax_array_2d[i][j] == ak_array_2d[i][j]
def test_from_jax_2():
content0 = ak.Array(np.array([1, 2, 3], dtype=np.int64)).layout
content1 = ak.contents.numpyarray.NumpyArray(
np.array([1, 2, 3, 4, 5], dtype=np.int32)
)
tags = ak.index.Index8(np.array([1, 1, 0, 0, 1, 0, 1, 1], dtype=np.int8))
index = ak.index.Index32(np.array([0, 1, 0, 1, 2, 2, 4, 3], dtype=np.int32))
unionarray = ak.contents.unionarray.UnionArray.simplified(
tags, index, [content0, content1]
)
jax_array = ak.to_jax(unionarray)
assert jax_array.tolist() == ak.to_list(unionarray)
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