File: test_boost_beta3.py

package info (click to toggle)
python-vector 1.6.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,984 kB
  • sloc: python: 40,200; makefile: 13
file content (57 lines) | stat: -rw-r--r-- 1,886 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
# 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.backends.numpy
import vector.backends.object


def test():
    vec = vector.backends.object.VectorObject4D(
        azimuthal=vector.backends.object.AzimuthalObjectXY(1, 2),
        longitudinal=vector.backends.object.LongitudinalObjectZ(3),
        temporal=vector.backends.object.TemporalObjectT(4),
    )
    beta = vector.backends.object.MomentumObject3D(
        azimuthal=vector.backends.object.AzimuthalObjectXY(5 / 15, 6 / 15),
        longitudinal=vector.backends.object.LongitudinalObjectZ(7 / 15),
    )
    out = vec.boost_beta3(beta)
    assert out.x == pytest.approx(3.5537720741941676)
    assert out.y == pytest.approx(5.0645264890330015)
    assert out.z == pytest.approx(6.575280903871835)
    assert out.t == pytest.approx(9.138547120755076)

    for t1 in (
        "xyzt",
        "xythetat",
        "xyetat",
        "rhophizt",
        "rhophithetat",
        "rhophietat",
        "xyztau",
        "xythetatau",
        "xyetatau",
        "rhophiztau",
        "rhophithetatau",
        "rhophietatau",
    ):
        for t2 in (
            "xyz",
            "xytheta",
            "xyeta",
            "rhophiz",
            "rhophitheta",
            "rhophieta",
        ):
            tvec, tbeta = getattr(vec, "to_" + t1)(), getattr(beta, "to_" + t2)()
            out = tvec.boost_beta3(tbeta)
            assert out.x == pytest.approx(3.5537720741941676)
            assert out.y == pytest.approx(5.0645264890330015)
            assert out.z == pytest.approx(6.575280903871835)
            assert out.t == pytest.approx(9.138547120755076)