FindBlockNeigh.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/vec.hpp"
#include "shammodels/ramses/solvegraph/OrientedAMRGraphEdge.hpp"
#include "shammodels/ramses/solvegraph/TreeEdge.hpp"
#include "shamrock/solvergraph/IFieldRefs.hpp"
#include "shamrock/solvergraph/INode.hpp"
#include "shamrock/solvergraph/Indexes.hpp"
 
namespace shammodels::basegodunov::modules {
 
    template<class Tvec, class TgridVec, class Tmorton>
    class FindBlockNeigh : public shamrock::solvergraph::INode {
        using Tscal            = shambase::VecComponent<Tvec>;
        using RTree            = RadixTree<Tmorton, TgridVec>;
        using OrientedAMRGraph = OrientedAMRGraph<Tvec, TgridVec>;
 
        class AMRBlockFinder;
 
        public:
        FindBlockNeigh() {}
 
        struct Edges {
            const shamrock::solvergraph::Indexes<u32> &sizes;
            const shamrock::solvergraph::IFieldRefs<TgridVec> &spans_block_min;
            const shamrock::solvergraph::IFieldRefs<TgridVec> &spans_block_max;
            const solvergraph::TreeEdge<Tmorton, TgridVec> &trees;
            solvergraph::OrientedAMRGraphEdge<Tvec, TgridVec> &block_neigh_graph;
        };
 
        inline void set_edges(
            std::shared_ptr<shamrock::solvergraph::Indexes<u32>> sizes,
            std::shared_ptr<shamrock::solvergraph::IFieldRefs<TgridVec>> spans_block_min,
            std::shared_ptr<shamrock::solvergraph::IFieldRefs<TgridVec>> spans_block_max,
            std::shared_ptr<solvergraph::TreeEdge<Tmorton, TgridVec>> trees,
            std::shared_ptr<solvergraph::OrientedAMRGraphEdge<Tvec, TgridVec>> block_neigh_graph) {
            __internal_set_ro_edges({sizes, spans_block_min, spans_block_max, trees});
            __internal_set_rw_edges({block_neigh_graph});
        }
 
        inline Edges get_edges() {
            return Edges{
                get_ro_edge<shamrock::solvergraph::Indexes<u32>>(0),
                get_ro_edge<shamrock::solvergraph::IFieldRefs<TgridVec>>(1),
                get_ro_edge<shamrock::solvergraph::IFieldRefs<TgridVec>>(2),
                get_ro_edge<solvergraph::TreeEdge<Tmorton, TgridVec>>(3),
                get_rw_edge<solvergraph::OrientedAMRGraphEdge<Tvec, TgridVec>>(0)};
        }
 
        void _impl_evaluate_internal();
 
        inline virtual std::string _impl_get_label() const { return "FindBlockNeigh"; };
 
        virtual std::string _impl_get_tex() const;
    };
} // namespace shammodels::basegodunov::modules