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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 math
import pytest
import vector.backends.object
def test_xy():
vec = vector.backends.object.VectorObject2D(
azimuthal=vector.backends.object.AzimuthalObjectXY(3, 4)
)
assert vec.phi == pytest.approx(math.atan2(4, 3))
def test_rhophi():
vec = vector.backends.object.VectorObject2D(
azimuthal=vector.backends.object.AzimuthalObjectRhoPhi(5, math.atan2(4, 3))
)
assert vec.phi == pytest.approx(math.atan2(4, 3))
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