CopyPatchDataField.cpp

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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
//
// -------------------------------------------------------//

 
#include "shamrock/solvergraph/CopyPatchDataField.hpp"
 
namespace shamrock::solvergraph {
 
    template<class T>
    void CopyPatchDataField<T>::_impl_evaluate_internal() {
        StackEntry stack_loc{};
 
        auto edges = get_edges();
 
        // Collect size information from source fields
        shambase::DistributedData<u32> sizes = {};
 
        edges.original.get_refs().for_each([&](u64 id_patch, const PatchDataField<T> &field) {
            sizes.add_obj(id_patch, u32(field.get_obj_cnt()));
        });
 
        // Ensure target field has correct size for each patch
        edges.target.ensure_sizes(sizes);
 
        // Copy the fields from the original to the target
        edges.target.get_refs().for_each([&](u64 id_patch, PatchDataField<T> &field) {
            auto &source_field = edges.original.get_field(id_patch);
            if (field.get_nvar() != source_field.get_nvar()) {
                throw shambase::make_except_with_loc<std::runtime_error>(
                    "nvar mismatch between source and target fields for patch "
                    + std::to_string(id_patch)
                    + ". Source nvar: " + std::to_string(source_field.get_nvar())
                    + ", Target nvar: " + std::to_string(field.get_nvar()));
            }
            field.overwrite(source_field, field.get_obj_cnt());
        });
    }
 
    template<class T>
    std::string CopyPatchDataField<T>::_impl_get_tex() const {
        std::string tex = R"tex(Copy field ${original} to ${target})tex";
 
        replace_edges_tex_symbols(tex);
 
        return tex;
    }
 
    template class CopyPatchDataField<f64>;
    template class CopyPatchDataField<f64_3>;
 
} // namespace shamrock::solvergraph