KOKO\Mimi
41 lines
1.7 KiB
C++
41 lines
1.7 KiB
C++
#ifndef FESA_ASSEMBLY_SPARSE_ASSEMBLER_H_
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#define FESA_ASSEMBLY_SPARSE_ASSEMBLER_H_
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#include "fesa/core/status.h"
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#include "fesa/elements/element.h"
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#include "fesa/math/sparse_matrix.h"
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namespace fesa {
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class AnalysisModel;
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class DofManager;
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class ParallelFor;
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/// @brief Owns deterministic element-contribution reduction into global CSR.
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class SparseAssembler {
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public:
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/// @brief Assembles runtime element stiffness into validated full-DOF CSR.
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/// @param elements Non-owning elements in stable active source order.
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/// @param dofs Owner of the matching scatter and structural pattern.
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/// @param parallel_for Backend for index-owned element-local computation.
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/// @return A validated matrix or a structured model failure.
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/// @note Workers write only their element-owned COO buffers; flattening and
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/// duplicate reduction retain fixed element and local-entry order.
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static Result<SparseMatrix> Assemble(const ElementView& elements,
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const DofManager& dofs,
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const ParallelFor& parallel_for);
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/// @brief Assembles stiffness in stable source-element and local-entry order.
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/// @return A validated full-DOF CSR matrix or structured model failure.
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/// @note Parallel workers produce index-owned local buffers; serial reduction
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/// remains the sole global CSR writer. This compatibility facade creates
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/// runtime candidates until LinearStaticAnalysis owns them directly.
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static Result<SparseMatrix> AssembleStiffness(
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const AnalysisModel& model, const DofManager& dofs,
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const ParallelFor& parallel_for);
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};
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} // namespace fesa
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#endif // FESA_ASSEMBLY_SPARSE_ASSEMBLER_H_
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