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UnitConversionTests.cpp
Go to the documentation of this file.
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the newest version in sPHENIX GitHub for file UnitConversionTests.cpp
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// This file is part of the Acts project.
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//
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// Copyright (C) 2017-2018 CERN for the benefit of the Acts project
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include <boost/test/unit_test.hpp>
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#include "
Acts/Tests/CommonHelpers/FloatComparisons.hpp
"
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#include "
Acts/Utilities/Units.hpp
"
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using namespace
Acts::UnitLiterals;
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BOOST_AUTO_TEST_SUITE(unit_conversions)
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BOOST_AUTO_TEST_CASE
(length_conversions) {
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CHECK_CLOSE_REL
(1
_m
, 1
e
-3
_km
, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
, 1e2_cm, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
, 1e3_mm, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
, 1e6_um, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
, 1e9_nm, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
, 1e12_pm, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
, 1e15_fm, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(area_conversions) {
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CHECK_CLOSE_REL
(1
_mm
* 1
_mm
, 1
_mm2
, 1
e
-15);
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CHECK_CLOSE_REL
(1_mm * 1_mm, 0.01_cm2, 1
e
-15);
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CHECK_CLOSE_REL
(1_mm * 1_mm, 0.000001_m2, 1
e
-15);
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CHECK_CLOSE_REL
(1
_cm
* 1
_cm
, 100
_mm2
, 1
e
-15);
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CHECK_CLOSE_REL
(1_cm * 1_cm, 1_cm2, 1
e
-15);
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CHECK_CLOSE_REL
(1_cm * 1_cm, 0.0001_m2, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
* 1
_m
, 1000000
_mm2
, 1
e
-15);
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CHECK_CLOSE_REL
(1_m * 1_m, 10000_cm2, 1
e
-15);
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CHECK_CLOSE_REL
(1_m * 1_m, 1_m2, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(volume_conversions) {
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CHECK_CLOSE_REL
(1
_mm
* 1
_mm
* 1
_mm
, 1_mm3, 1
e
-15);
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CHECK_CLOSE_REL
(1
_mm2
* 1_mm, 1_mm3, 1
e
-15);
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CHECK_CLOSE_REL
(1
_cm
* 1
_cm
* 1
_cm
, 1_cm3, 1
e
-15);
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CHECK_CLOSE_REL
(1_cm2 * 1_cm, 1_cm3, 1
e
-15);
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CHECK_CLOSE_REL
(1
_m
* 1
_m
* 1
_m
, 1_m3, 1
e
-15);
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CHECK_CLOSE_REL
(1_m2 * 1_m, 1_m3, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(time_conversions) {
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CHECK_CLOSE_REL
(1
_h
, 60_min, 1
e
-15);
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CHECK_CLOSE_REL
(1
_h
, 3600
_s
, 1
e
-15);
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CHECK_CLOSE_REL
(1_min, 60
_s
, 1
e
-15);
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CHECK_CLOSE_REL
(1
_s
, 1e3_ms, 1
e
-15);
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CHECK_CLOSE_REL
(1
_s
, 1e6_us, 1
e
-15);
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CHECK_CLOSE_REL
(1
_s
, 1e9_ns, 1
e
-15);
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CHECK_CLOSE_REL
(1
_s
, 1e12_ps, 1
e
-15);
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CHECK_CLOSE_REL
(1
_s
, 1e15_fs, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(angle_conversions) {
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CHECK_CLOSE_REL
(45_degree,
M_PI
/ 4 * 1_rad, 1
e
-15);
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CHECK_CLOSE_REL
(90_degree,
M_PI
/ 2 * 1_rad, 1
e
-15);
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CHECK_CLOSE_REL
(180_degree,
M_PI
* 1_rad, 1
e
-15);
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CHECK_CLOSE_REL
(360_degree, 2 *
M_PI
* 1_rad, 1
e
-15);
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CHECK_CLOSE_REL
(1
_mm
/ 1
_m
, 1_mrad, 1
e
-15);
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CHECK_CLOSE_REL
(1
_um
/ 1
_mm
, 1_mrad, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(energy_conversions) {
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CHECK_CLOSE_REL
(1
_MeV
, 1e6_eV, 1
e
-15);
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CHECK_CLOSE_REL
(1
_MeV
, 1e3_keV, 1
e
-15);
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CHECK_CLOSE_REL
(1
_MeV
, 1
e
-3
_GeV
, 1
e
-15);
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CHECK_CLOSE_REL
(1
_MeV
, 1
e
-6
_TeV
, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(mass_conversions) {
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CHECK_CLOSE_REL
(1
_kg
, 1000
_g
, 1
e
-15);
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CHECK_CLOSE_REL
(0.001
_kg
, 1
_g
, 1
e
-15);
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CHECK_CLOSE_REL
(1_u, 931.49410242
_MeV
, 1
e
-15);
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CHECK_CLOSE_REL
(1_u, 1.66053906660
e
-24
_g
, 1
e
-7);
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}
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BOOST_AUTO_TEST_CASE
(mass_energy_conversions) {
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// always assumes c == 1
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CHECK_CLOSE_REL
(1.782662
e
-36
_kg
, 1
_eV
, 1
e
-15);
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CHECK_CLOSE_REL
(1.782662
e
-33
_kg
, 1
_keV
, 1
e
-15);
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CHECK_CLOSE_REL
(1.782662
e
-30
_kg
, 1
_MeV
, 1
e
-15);
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CHECK_CLOSE_REL
(1.782662
e
-27
_kg
, 1
_GeV
, 1
e
-15);
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CHECK_CLOSE_REL
(1.782662
e
-33
_g
, 1
_eV
, 1
e
-15);
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CHECK_CLOSE_REL
(1.782662
e
-30
_g
, 1
_keV
, 1
e
-15);
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CHECK_CLOSE_REL
(1.782662
e
-27
_g
, 1
_MeV
, 1
e
-15);
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CHECK_CLOSE_REL
(1.782662
e
-24
_g
, 1
_GeV
, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(charge_conversions) {
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CHECK_CLOSE_REL
(1
_C
, 1.602176634e19_e, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(magnetic_field_conversions) {
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CHECK_CLOSE_REL
(10
_kGauss
, 1
_T
, 1
e
-15);
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CHECK_CLOSE_REL
(1
_kGauss
, 1000
_Gauss
, 1
e
-15);
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}
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BOOST_AUTO_TEST_CASE
(momentum_to_radius_conversion) {
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// note: no conversion factors necessary
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CHECK_CLOSE_REL
(1
_GeV
/ (1
_e
* 1
_T
), 3.3336
_m
, 1
e
-3);
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CHECK_CLOSE_REL
(1
_GeV
/ (1
_e
* 2_T), 166.8
_cm
, 1
e
-3);
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CHECK_CLOSE_REL
(1
_GeV
/ (2
_e
* 1_T), 166.8
_cm
, 1
e
-3);
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CHECK_CLOSE_REL
(1
_GeV
/ (1
_e
* 4_T), 83.39
_cm
, 1
e
-3);
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CHECK_CLOSE_REL
(1
_GeV
/ (2
_e
* 2_T), 83.39
_cm
, 1
e
-3);
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}
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BOOST_AUTO_TEST_SUITE_END()
acts
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master
Tests
UnitTests
Core
Utilities
UnitConversionTests.cpp
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:24:27
using
1.8.2 with
ECCE GitHub integration