lu.c File Reference

#include <cgraph/alloc.h>
#include <math.h>
#include <neatogen/neato.h>

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Functions
int	lu_decompose (double **a, int n)
void	lu_solve (double *x, double *b, int n)

Variables
static double *	scales
static double **	lu
static int *	ps

Function Documentation

lu_decompose()

int lu_decompose	(	double **	a,
		int	n
	)

Definition at line 65 of file lu.c.

References free(), free_array(), gv_calloc(), lu, new_array(), ps, and scales.

Referenced by matinv().

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lu_solve()

void lu_solve	(	double *	x,
		double *	b,
		int	n
	)

Definition at line 135 of file lu.c.

References dot, lu, and ps.

Referenced by matinv().

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Variable Documentation

lu

double** lu

static

Definition at line 50 of file lu.c.

Referenced by lu_decompose(), and lu_solve().

ps

int* ps

static

Definition at line 51 of file lu.c.

Referenced by _spline_edges(), addPS(), arrow_clip(), arrowEndClip(), arrowOrthoClip(), arrowStartClip(), attachPos(), clearPM(), clip_and_install(), DrawBeziers(), fillEdge(), fillLine(), findCol(), fits(), freePM(), freePS(), genBox(), genPoly(), gv_cleanup_edge(), inPS(), insertPS(), isInPS(), lu_decompose(), lu_solve(), make_flat_bottom_edges(), make_flat_edge(), make_flat_labeled_edge(), make_regular_edge(), makeGraphData(), makeSimpleFlatLabels(), mapSegToTri(), mkCtrlPts(), mkPoly(), orthoEdges(), parsePolyline(), pEllipse(), placeFixed(), placeGraph(), pointsOf(), polyGraphs(), polyRects(), posOf(), processTbl(), resetCoord(), routesplines_(), simpleSplineRoute(), sizeOf(), storePoints(), user_spline(), and vgpanecmd().

scales

double* scales

static

Definition at line 49 of file lu.c.

Referenced by lu_decompose().