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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_z():
vec = vector.backends.object.VectorObject3D(
azimuthal=vector.backends.object.AzimuthalObjectXY(3, 4),
longitudinal=vector.backends.object.LongitudinalObjectZ(10),
)
assert vec.costheta == pytest.approx(math.cos(0.4636476090008061))
def test_xy_theta():
vec = vector.backends.object.VectorObject3D(
azimuthal=vector.backends.object.AzimuthalObjectXY(3, 4),
longitudinal=vector.backends.object.LongitudinalObjectTheta(0.4636476090008061),
)
assert vec.costheta == pytest.approx(math.cos(0.4636476090008061))
def test_xy_eta():
vec = vector.backends.object.VectorObject3D(
azimuthal=vector.backends.object.AzimuthalObjectXY(3, 4),
longitudinal=vector.backends.object.LongitudinalObjectEta(1.4436354751788103),
)
assert vec.costheta == pytest.approx(math.cos(0.4636476090008061))
def test_rhophi_z():
vec = vector.backends.object.VectorObject3D(
azimuthal=vector.backends.object.AzimuthalObjectRhoPhi(5, 0),
longitudinal=vector.backends.object.LongitudinalObjectZ(10),
)
assert vec.costheta == pytest.approx(math.cos(0.4636476090008061))
def test_rhophi_theta():
vec = vector.backends.object.VectorObject3D(
azimuthal=vector.backends.object.AzimuthalObjectRhoPhi(5, 0),
longitudinal=vector.backends.object.LongitudinalObjectTheta(0.4636476090008061),
)
assert vec.costheta == pytest.approx(math.cos(0.4636476090008061))
def test_rhophi_eta():
vec = vector.backends.object.VectorObject3D(
azimuthal=vector.backends.object.AzimuthalObjectRhoPhi(5, 0),
longitudinal=vector.backends.object.LongitudinalObjectEta(1.4436354751788103),
)
assert vec.costheta == pytest.approx(math.cos(0.4636476090008061))
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