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# Copyright (c) 2019-2025, Saransh Chopra, Henry Schreiner, Eduardo Rodrigues, Jonas Eschle, and Jim Pivarski.
#
# Distributed under the 3-clause BSD license, see accompanying file LICENSE
# or https://github.com/scikit-hep/vector for details.
from __future__ import annotations
import pytest
import vector
ak = pytest.importorskip("awkward")
numba = pytest.importorskip("numba")
pytest.importorskip("vector.backends._numba_object")
pytestmark = [pytest.mark.numba, pytest.mark.awkward]
def test():
@numba.njit
def extract(x):
return x[2][0]
array = vector.Array([[{"x": 1, "y": 2}], [], [{"x": 3, "y": 4}, {"x": 5, "y": 6}]])
out = extract(array)
assert isinstance(out, vector.backends.object.VectorObject2D)
assert out.x == pytest.approx(3)
assert out.y == pytest.approx(4)
array = vector.Array(
[[{"x": 1, "y": 2, "z": 3, "E": 4}], [], [{"x": 5, "y": 6, "z": 7, "E": 15}]]
)
out = extract(array)
assert isinstance(out, vector.backends.object.MomentumObject4D)
assert out.x == pytest.approx(5)
assert out.y == pytest.approx(6)
assert out.z == pytest.approx(7)
assert out.t == pytest.approx(15)
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