src/Utilities/IMultiAxis.cpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #include "Acts/Utilities/IMultiAxis.hpp"
0010
0011 #include "Acts/Utilities/Axis.hpp"
0012 #include "Acts/Utilities/MultiAxis.hpp"
0013
0014 namespace Acts {
0015
0016 std::unique_ptr<IMultiAxis1D> IMultiAxis::create(const IAxis& axis1) {
0017   return axis1.visit(
0018       []<AxisConcept Axis1>(const Axis1& a1) -> std::unique_ptr<IMultiAxis1D> {
0019         return std::make_unique<MultiAxis<Axis1>>(a1);
0020       });
0021 }
0022
0023 std::unique_ptr<IMultiAxis2D> IMultiAxis::create(const IAxis& axis1,
0024                                                  const IAxis& axis2) {
0025   return axis1.visit([&axis2]<AxisConcept Axis1>(
0026                          const Axis1& a1) -> std::unique_ptr<IMultiAxis2D> {
0027     return axis2.visit([&a1]<AxisConcept Axis2>(
0028                            const Axis2& a2) -> std::unique_ptr<IMultiAxis2D> {
0029       return std::make_unique<MultiAxis<Axis1, Axis2>>(a1, a2);
0030     });
0031   });
0032 }
0033
0034 std::unique_ptr<IMultiAxis3D> IMultiAxis::create(const IAxis& axis1,
0035                                                  const IAxis& axis2,
0036                                                  const IAxis& axis3) {
0037   return axis1.visit([&axis2, &axis3]<AxisConcept Axis1>(
0038                          const Axis1& a1) -> std::unique_ptr<IMultiAxis3D> {
0039     return axis2.visit([&a1, &axis3]<AxisConcept Axis2>(
0040                            const Axis2& a2) -> std::unique_ptr<IMultiAxis3D> {
0041       return axis3.visit([&a1, &a2]<AxisConcept Axis3>(
0042                              const Axis3& a3) -> std::unique_ptr<IMultiAxis3D> {
0043         return std::make_unique<MultiAxis<Axis1, Axis2, Axis3>>(a1, a2, a3);
0044       });
0045     });
0046   });
0047 }
0048
0049 }  // namespace Acts