d3/ddd/PropagationDatasets_8hpp_source.html

// This file is part of the Acts project.

//

// Copyright (C) 2020 CERN for the benefit of the Acts project

//

// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this

// file, You can obtain one at http://mozilla.org/MPL/2.0/.


#include <boost/test/data/test_case.hpp>


#include "Acts/Utilities/Units.hpp"


namespace ActsTests {

namespace PropagationDatasets {


namespace bdata = boost::unit_test::data;

using namespace Acts::UnitLiterals;


// direction angles

// upper limit is max+eps to ensure max is included

// this includes both 180° and -180° which refer to the same point

const auto phi = bdata::xrange(-180_degree, 181_degree, 45_degree);

// exclude 180° and -180° e.g. to avoid numerical issues

const auto phiWithoutAmbiguity =

    bdata::xrange(-135_degree, 136_degree, 45_degree);

// equivalent to |eta| < 1

const auto thetaCentral = bdata::make({45_degree, 90_degree, 135_degree});

// equivalent to 1 < |eta| <~ 4

const auto thetaForwardBackward = bdata::make(

    {2_degree, 10_degree, 30_degree, 150_degree, 170_degree, 178_degree});

const auto thetaBeam = bdata::make({0_degree, 180_degree});

const auto thetaWithoutBeam = thetaCentral + thetaForwardBackward;

const auto theta = thetaCentral + thetaForwardBackward + thetaBeam;


// momentum and charge

const auto absMomentum = bdata::make({0.5_GeV, 1_GeV, 10_GeV, 100_GeV});

const auto chargeNonZero = bdata::make({1_e, -1_e});


// how long to propagated (either relatively or absolute)

const auto propagationFraction = bdata::make({0.125, 0.2, 0.4});

// WARNING the maximum path length must be small enough to not exceed the track

//         apogee of the lowest momentum and highest magnetic field

const auto pathLength = bdata::make({1_cm, 10_cm});


// magnetic field strength

const auto magneticField = bdata::make({0.5_T, 2_T, 4_T});


}  // namespace PropagationDatasets

}  // namespace ActsTests