lu.c File Reference

#include "config.h"
#include <assert.h>
#include <math.h>
#include <neatogen/neato.h>
#include <stdlib.h>
#include <util/alloc.h>
#include <util/gv_math.h>

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Functions
int	lu_decompose (lu_t *lu, double **a, int n)
void	lu_solve (const lu_t *lu, double *x, int bi, int n)
void	lu_free (lu_t *lu)
	release resources relating to LU decomposition

Function Documentation

lu_decompose()

int lu_decompose	(	lu_t *	lu,
		double **	a,
		int	n
	)

Definition at line 67 of file lu.c.

References free(), gv_calloc(), lu_t::lu, lu_free(), new_array(), NULL, lu_t::ps, and SWAP.

Referenced by matinv().

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lu_free()

void lu_free

(

lu_t *

lu

)

Definition at line 155 of file lu.c.

References free(), free_array(), lu_t::lu, NULL, and lu_t::ps.

Referenced by lu_decompose(), and matinv().

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lu_solve()

void lu_solve	(	const lu_t *	lu,
		double *	x,
		int	bi,
		int	n
	)

Definition at line 137 of file lu.c.

References dot, lu_t::lu, and lu_t::ps.

Referenced by matinv().

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