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| | #ifndef SPARSELU_IMPL_H |
| | #define SPARSELU_IMPL_H |
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|
| | namespace Eigen { |
| | namespace internal { |
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| | |
| | template <typename Scalar, typename StorageIndex> |
| | class SparseLUImpl |
| | { |
| | public: |
| | typedef Matrix<Scalar,Dynamic,1> ScalarVector; |
| | typedef Matrix<StorageIndex,Dynamic,1> IndexVector; |
| | typedef Matrix<Scalar,Dynamic,Dynamic,ColMajor> ScalarMatrix; |
| | typedef Map<ScalarMatrix, 0, OuterStride<> > MappedMatrixBlock; |
| | typedef typename ScalarVector::RealScalar RealScalar; |
| | typedef Ref<Matrix<Scalar,Dynamic,1> > BlockScalarVector; |
| | typedef Ref<Matrix<StorageIndex,Dynamic,1> > BlockIndexVector; |
| | typedef LU_GlobalLU_t<IndexVector, ScalarVector> GlobalLU_t; |
| | typedef SparseMatrix<Scalar,ColMajor,StorageIndex> MatrixType; |
| | |
| | protected: |
| | template <typename VectorType> |
| | Index expand(VectorType& vec, Index& length, Index nbElts, Index keep_prev, Index& num_expansions); |
| | Index memInit(Index m, Index n, Index annz, Index lwork, Index fillratio, Index panel_size, GlobalLU_t& glu); |
| | template <typename VectorType> |
| | Index memXpand(VectorType& vec, Index& maxlen, Index nbElts, MemType memtype, Index& num_expansions); |
| | void heap_relax_snode (const Index n, IndexVector& et, const Index relax_columns, IndexVector& descendants, IndexVector& relax_end); |
| | void relax_snode (const Index n, IndexVector& et, const Index relax_columns, IndexVector& descendants, IndexVector& relax_end); |
| | Index snode_dfs(const Index jcol, const Index kcol,const MatrixType& mat, IndexVector& xprune, IndexVector& marker, GlobalLU_t& glu); |
| | Index snode_bmod (const Index jcol, const Index fsupc, ScalarVector& dense, GlobalLU_t& glu); |
| | Index pivotL(const Index jcol, const RealScalar& diagpivotthresh, IndexVector& perm_r, IndexVector& iperm_c, Index& pivrow, GlobalLU_t& glu); |
| | template <typename Traits> |
| | void dfs_kernel(const StorageIndex jj, IndexVector& perm_r, |
| | Index& nseg, IndexVector& panel_lsub, IndexVector& segrep, |
| | Ref<IndexVector> repfnz_col, IndexVector& xprune, Ref<IndexVector> marker, IndexVector& parent, |
| | IndexVector& xplore, GlobalLU_t& glu, Index& nextl_col, Index krow, Traits& traits); |
| | void panel_dfs(const Index m, const Index w, const Index jcol, MatrixType& A, IndexVector& perm_r, Index& nseg, ScalarVector& dense, IndexVector& panel_lsub, IndexVector& segrep, IndexVector& repfnz, IndexVector& xprune, IndexVector& marker, IndexVector& parent, IndexVector& xplore, GlobalLU_t& glu); |
| | |
| | void panel_bmod(const Index m, const Index w, const Index jcol, const Index nseg, ScalarVector& dense, ScalarVector& tempv, IndexVector& segrep, IndexVector& repfnz, GlobalLU_t& glu); |
| | Index column_dfs(const Index m, const Index jcol, IndexVector& perm_r, Index maxsuper, Index& nseg, BlockIndexVector lsub_col, IndexVector& segrep, BlockIndexVector repfnz, IndexVector& xprune, IndexVector& marker, IndexVector& parent, IndexVector& xplore, GlobalLU_t& glu); |
| | Index column_bmod(const Index jcol, const Index nseg, BlockScalarVector dense, ScalarVector& tempv, BlockIndexVector segrep, BlockIndexVector repfnz, Index fpanelc, GlobalLU_t& glu); |
| | Index copy_to_ucol(const Index jcol, const Index nseg, IndexVector& segrep, BlockIndexVector repfnz ,IndexVector& perm_r, BlockScalarVector dense, GlobalLU_t& glu); |
| | void pruneL(const Index jcol, const IndexVector& perm_r, const Index pivrow, const Index nseg, const IndexVector& segrep, BlockIndexVector repfnz, IndexVector& xprune, GlobalLU_t& glu); |
| | void countnz(const Index n, Index& nnzL, Index& nnzU, GlobalLU_t& glu); |
| | void fixupL(const Index n, const IndexVector& perm_r, GlobalLU_t& glu); |
| | |
| | template<typename , typename > |
| | friend struct column_dfs_traits; |
| | }; |
| |
|
| | } |
| | } |
| |
|
| | #endif |
| |
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