src/LU_matrix.c File Reference

Functions for computing LU decomposition of any square matrix. More...

#include "LU_matrix.h"

Include dependency graph for LU_matrix.c:

Defines
#define	_OPENMP_LU_DIMENSION   1e2
	Minimum value for using the openmp library in LU decomposition.
Functions
double	max_row (size_t m, double **const A, size_t idx, size_t *const row)
	Find the maximum value of a column based on the same row index.
double	max_col (size_t n, double **const A, size_t idx, size_t *const col)
	Find the first maximum value of a column based on the same column index.
double	max_row_col (size_t m, size_t n, double **const A, size_t idx, size_t *const row, size_t *const col)
	Find the maximum value of a column and row based on the same column and row index.
void	swap_bit (size_t i, size_t j, size_t *const x, size_t *const y)
	Swap two values from vector x to y.
void	swap_row (size_t row1, size_t row2, size_t n, double **const A, double **const B)
	Swap two rows from matrix A to B based on the same minimum row index.
void	swap_col (size_t col1, size_t col2, size_t m, double **const A, double **const B)
	Swap two columns from matrix A to B based on the same minimum column index.
void *	lu_flag (size_t m, size_t n, double **const A, double **const LU, size_t *const pr, size_t *const pc, double tol, unsigned int flag)
	Compute the LU factorization of a matrix m-by-n with a specific pivoting.
void *	lu (size_t m, size_t n, double **const A, double **const LU, size_t *const pr, size_t *const pc, double tol)
	Compute the LU factorization of a matrix n-by-n.

---

Detailed Description

Functions for computing LU decomposition of any square matrix.

Author:

Joan

Date:

19/01/2014 (start)

Version:

1.0