File numerics/src/tools/lumod_wrapper.h¶
Go to the source code of this file
Wrapper around lumod.
Defines
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SN_LUMOD_NEED_REFACTORIZATION¶
Functions
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static inline unsigned SN_lumod_need_refactorization(int info)¶
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static inline unsigned SN_lumod_find_arg_var(int *array, int p, unsigned n)¶
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SN_lumod_dense_data *SN_lumod_dense_allocate(unsigned n, unsigned maxmod)¶
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void SM_lumod_dense_free(SN_lumod_dense_data *lumod_data)¶
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int SN_lumod_dense_solve(SN_lumod_dense_data *lumod_data, double *x, double *col_tilde)¶
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void SN_lumod_add_row_col(SN_lumod_dense_data *lumod_data, unsigned leaving_indx, double *col)¶
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void SN_lumod_replace_col(SN_lumod_dense_data *lumod_data, unsigned index_col, double *col)¶
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void SN_lumod_replace_row(SN_lumod_dense_data *lumod_data, unsigned index_row, unsigned leaving_indx)¶
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void SN_lumod_delete_row_col(SN_lumod_dense_data *lumod_data, unsigned index_row, unsigned index_col)¶
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int SN_lumod_factorize(SN_lumod_dense_data *lumod_data, unsigned *basis, NumericsMatrix *M, double *covering_vector)¶
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struct SN_lumod_dense_data¶
- #include <>
Data structure for the LUMOD (successive rank-one update of a matrix)
Public Members
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unsigned n¶
size of the matrix H
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unsigned maxmod¶
maximum number of changes
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unsigned k¶
number of rows (or columns) of C
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double *LU_H¶
LU factors of the initial matrix H.
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lapack_int *ipiv_LU_H¶
pivot for the LU factorization of H
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unsigned *factorized_basis¶
basis when H was factorized and storing for the info where the columns of the non basic variables are in U and when a basic variable exited
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int *row_col_indx¶
Store the information to which column or row the variable correspond.
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double *Uk¶
matrix which keeps track of modified columns in Hk
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double *Yk¶
matrix of changed columns in Hk (row major)
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double *L_C¶
L matrix of the LU factorization for Ck.
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double *U_C¶
U matrix of the LU factorization for Ck.
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double *y¶
y vector for LUMOD
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double *z¶
z vector for LUMOD
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double *w¶
work vector for LUMOD
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unsigned n¶