alongstep/detail/CartMapFieldPropagatorFactory.hh

0001 //------------------------------- -*- C++ -*- -------------------------------//
0002 // Copyright Celeritas contributors: see top-level COPYRIGHT file for details
0003 // SPDX-License-Identifier: (Apache-2.0 OR MIT)
0004 //---------------------------------------------------------------------------//
0005 //! \file celeritas/alongstep/detail/CartMapFieldPropagatorFactory.hh
0006 //---------------------------------------------------------------------------//
0007 #pragma once
0008
0009 #include "celeritas/field/CartMapField.hh"  // IWYU pragma: associated
0010 #include "celeritas/field/CartMapFieldData.hh"  // IWYU pragma: associated
0011 #include "celeritas/field/DormandPrinceIntegrator.hh"
0012 #include "celeritas/field/MakeMagFieldPropagator.hh"
0013 #include "celeritas/global/CoreTrackView.hh"
0014
0015 namespace celeritas
0016 {
0017 namespace detail
0018 {
0019 //---------------------------------------------------------------------------//
0020 /*!
0021  * Propagate a track in a cartesian map magnetic field.
0022  */
0023 struct CartMapFieldPropagatorFactory
0024 {
0025     CELER_FUNCTION decltype(auto) operator()(CoreTrackView const& track) const
0026     {
0027         return make_mag_field_propagator<DormandPrinceIntegrator>(
0028             CartMapField{field},
0029             field.options,
0030             track.particle(),
0031             track.geometry());
0032     }
0033
0034     static CELER_CONSTEXPR_FUNCTION bool tracks_can_loop() { return true; }
0035
0036     //// DATA ////
0037
0038     NativeCRef<CartMapFieldParamsData> field;
0039 };
0040
0041 //---------------------------------------------------------------------------//
0042 }  // namespace detail
0043 }  // namespace celeritas