UpdateDerivs.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/typeAliasVec.hpp"
#include "shambackends/vec.hpp"
#include "shammodels/gsph/SolverConfig.hpp"
#include "shammodels/gsph/modules/SolverStorage.hpp"
#include "shamrock/scheduler/ShamrockCtx.hpp"
 
namespace shammodels::gsph::modules {

    template<class Tvec, template<class> class SPHKernel>
    class UpdateDerivs {
        public:
        using Tscal              = shambase::VecComponent<Tvec>;
        static constexpr u32 dim = shambase::VectorProperties<Tvec>::dimension;
        using Kernel             = SPHKernel<Tscal>;
 
        using Config  = SolverConfig<Tvec, SPHKernel>;
        using Storage = SolverStorage<Tvec, u32>;
 
        ShamrockCtx &context;
        Config &solver_config;
        Storage &storage;
 
        UpdateDerivs(ShamrockCtx &context, Config &solver_config, Storage &storage)
            : context(context), solver_config(solver_config), storage(storage) {}

        void update_derivs();
 
        private:
        inline PatchScheduler &scheduler() { return shambase::get_check_ref(context.sched); }
 
        using Cfg_Riemann = typename Config::RiemannConfig;
        using Iterative   = typename Cfg_Riemann::Iterative;
        using HLLC        = typename Cfg_Riemann::HLLC;

        void update_derivs_iterative(Iterative cfg);

        void update_derivs_hllc(HLLC cfg);
    };
 
} // namespace shammodels::gsph::modules