ComputeNeighStats.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/sph/solvergraph/NeighCache.hpp"
#include "shamrock/solvergraph/IFieldSpan.hpp"
#include "shamrock/solvergraph/INode.hpp"
#include "shamrock/solvergraph/Indexes.hpp"
 
namespace shammodels::sph::modules {
 
    template<class Tvec>
    class ComputeNeighStats : public shamrock::solvergraph::INode {
 
        using Tscal = shambase::VecComponent<Tvec>;
 
        Tscal kernel_radius;
 
        public:
        ComputeNeighStats(Tscal kernel_radius) : kernel_radius(kernel_radius) {}
 
        struct Edges {
            const shamrock::solvergraph::Indexes<u32> &part_counts;
            const shammodels::sph::solvergraph::NeighCache &neigh_cache;
            const shamrock::solvergraph::IFieldSpan<Tvec> &xyz;
            const shamrock::solvergraph::IFieldSpan<Tscal> &hpart;
        };
 
        inline void set_edges(
            std::shared_ptr<shamrock::solvergraph::Indexes<u32>> part_counts,
            std::shared_ptr<shammodels::sph::solvergraph::NeighCache> neigh_cache,
            std::shared_ptr<shamrock::solvergraph::IFieldSpan<Tvec>> xyz,
            std::shared_ptr<shamrock::solvergraph::IFieldSpan<Tscal>> hpart) {
            __internal_set_ro_edges({part_counts, neigh_cache, xyz, hpart});
            __internal_set_rw_edges({});
        }
 
        inline Edges get_edges() {
            return Edges{
                get_ro_edge<shamrock::solvergraph::Indexes<u32>>(0),
                get_ro_edge<shammodels::sph::solvergraph::NeighCache>(1),
                get_ro_edge<shamrock::solvergraph::IFieldSpan<Tvec>>(2),
                get_ro_edge<shamrock::solvergraph::IFieldSpan<Tscal>>(3),
            };
        }
 
        void _impl_evaluate_internal();
 
        inline virtual std::string _impl_get_label() const { return "ComputeNeighStats"; };
 
        virtual std::string _impl_get_tex() const;
    };
} // namespace shammodels::sph::modules