sparse_direct_internal.h

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#ifndef LMMC_SPARSE_DIRECT_INTERNAL_H
#define LMMC_SPARSE_DIRECT_INTERNAL_H
 
#include "lmmc/sparse.h"
 
struct lmmc_sparse_lu_t {
    size_t n;
    size_t* col_perm;      
    size_t* row_perm;      
    size_t* L_col_ptr;
    size_t* U_col_ptr;
    size_t* L_row_idx;
    lmmc_real_t* L_values;
    size_t* U_row_idx;
    lmmc_real_t* U_values;
    size_t L_nnz;
    size_t U_nnz;
    size_t L_capacity;
    size_t U_capacity;
};
 
 
struct lmmc_sparse_chol_t {
    size_t n;
    size_t* perm;          
    size_t* perm_inv;      
    size_t* L_col_ptr;
    size_t* L_row_idx;
    lmmc_real_t* L_values;
    size_t L_nnz;
    size_t L_capacity;
};
lmmc_status_t lmmc_sparse_direct_csc(const lmmc_sparse_mat_t* a,
    lmmc_sparse_mat_t* csc_out, int* needs_free);
lmmc_status_t lmmc_sparse_factor_capacity(size_t** idx, lmmc_real_t** vals,
    size_t* capacity, size_t needed);
lmmc_status_t lmmc_sparse_residual_reorder(const lmmc_sparse_mat_t* csc,
    size_t* perm);
 
#endif