NeighFaceList.hpp

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// -------------------------------------------------------//
//
// SHAMROCK code for hydrodynamics
// Copyright (c) 2021-2026 Timothée David--Cléris <tim.shamrock@proton.me>
// SPDX-License-Identifier: CeCILL Free Software License Agreement v2.1
// Shamrock is licensed under the CeCILL 2.1 License, see LICENSE for more information
//
// -------------------------------------------------------//
 
#pragma once
 
#include "shambackends/sycl.hpp"
#include "shambackends/typeAliasVec.hpp"
#include "shamtree/TreeTraversal.hpp"
#include <array>
 
namespace shammodels::zeus {
 
    template<class Tvec>
    struct OrientedNeighFaceList {
        shamrock::tree::ObjectCache neigh_info;
        Tvec normal;
    };
 
    template<class Tvec>
    struct NeighFaceList {
        std::array<OrientedNeighFaceList<Tvec>, 6> faces_lists;
 
        static constexpr u32 i_xm = 0;
        static constexpr u32 i_xp = 1;
        static constexpr u32 i_ym = 2;
        static constexpr u32 i_yp = 3;
        static constexpr u32 i_zm = 4;
        static constexpr u32 i_zp = 5;
 
        OrientedNeighFaceList<Tvec> &xm() { return faces_lists[i_xm]; }
        OrientedNeighFaceList<Tvec> &xp() { return faces_lists[i_xp]; }
        OrientedNeighFaceList<Tvec> &ym() { return faces_lists[i_ym]; }
        OrientedNeighFaceList<Tvec> &yp() { return faces_lists[i_yp]; }
        OrientedNeighFaceList<Tvec> &zm() { return faces_lists[i_zm]; }
        OrientedNeighFaceList<Tvec> &zp() { return faces_lists[i_zp]; }
    };
 
} // namespace shammodels::zeus