lib/neatogen/hedges.h File Reference

#include "site.h"
#include "edges.h"

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Data Structures
struct	Halfedge
Defines
#define	HEDGES_H
Typedefs
typedef struct Halfedge	Halfedge
Functions
void	ELinitialize (void)
void	ELcleanup (void)
int	right_of (Halfedge *, Point *)
Site *	hintersect (Halfedge *, Halfedge *)
Halfedge *	HEcreate (Edge *, char)
void	ELinsert (Halfedge *, Halfedge *)
Halfedge *	ELleftbnd (Point *)
void	ELdelete (Halfedge *)
Halfedge *	ELleft (Halfedge *)
Halfedge *	ELright (Halfedge *)
Site *	leftreg (Halfedge *)
Site *	rightreg (Halfedge *)
Variables
Halfedge *	ELleftend
Halfedge *	ELrightend

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Define Documentation

#define HEDGES_H

Definition at line 21 of file hedges.h.

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Typedef Documentation

typedef struct Halfedge Halfedge

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Function Documentation

void ELcleanup

(

void

)

Definition at line 28 of file hedges.c.

References freeinit(), free(), and NULL.

void ELdelete

(

Halfedge *

)

Definition at line 232 of file hedges.c.

References Halfedge::ELleft, ELright(), Halfedge::ELright, and Halfedge::ELedge.

Referenced by voronoi().

void ELinitialize

(

void

)

Definition at line 35 of file hedges.c.

References freeinit(), sqrt_nsites, NULL, N_GNEW, HEcreate(), Halfedge::ELleft, Halfedge::ELright, ELrightend, and ELleftend.

Referenced by voronoi().

void ELinsert	(	Halfedge *	,
		Halfedge *
	)

Definition at line 160 of file hedges.c.

References Halfedge::ELright, and ELleft().

Referenced by voronoi().

Halfedge* ELleft

(

Halfedge *

)

Halfedge* ELleftbnd

(

Point *

)

Definition at line 186 of file hedges.c.

References Point::x, xmin, deltax, totalsearch, right_of(), Halfedge::ELright, Halfedge::ELleft, and Halfedge::ELrefcnt.

Referenced by voronoi().

Halfedge * ELright

(

Halfedge *

)

Definition at line 240 of file hedges.c.

References Halfedge::ELright.

Referenced by ELdelete(), and voronoi().

Halfedge* HEcreate	(	Edge *	,
		char
	)

Definition at line 147 of file hedges.c.

References getfree(), Halfedge::ELedge, Halfedge::ELpm, Halfedge::PQnext, NULL, Halfedge::vertex, and Halfedge::ELrefcnt.

Referenced by ELinitialize(), and voronoi().

Site* hintersect	(	Halfedge *	,
		Halfedge *
	)

Definition at line 56 of file hedges.c.

References el(), Halfedge::ELedge, NULL, Edge::reg, Edge::a, Edge::b, Edge::c, Site::coord, Point::y, Point::x, Halfedge::ELpm, le, re, getsite(), and Site::refcnt.

Referenced by voronoi().

Site* leftreg

(

Halfedge *

)

int right_of	(	Halfedge *	,
		Point *
	)

Definition at line 100 of file hedges.c.

References Halfedge::ELedge, Edge::reg, Point::x, Site::coord, Halfedge::ELpm, le, re, Edge::a, Point::y, Edge::b, Edge::c, coord(), and pointf_s::x.

Referenced by ELleftbnd().

Site * rightreg

(

Halfedge *

)

Definition at line 258 of file hedges.c.

References Halfedge::ELedge, bottomsite, Halfedge::ELpm, le, Edge::reg, and re.

Referenced by voronoi().

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Variable Documentation

Halfedge* ELleftend

Definition at line 21 of file hedges.c.

Referenced by ELinitialize(), and voronoi().

Halfedge * ELrightend

Definition at line 21 of file hedges.c.

Referenced by ELinitialize(), and voronoi().