hedges.c File Reference

#include "mem.h"
#include "hedges.h"
#include "render.h"

Include dependency graph for hedges.c:

Go to the source code of this file.

Macros
#define	DELETED   -2

Functions
void	ELcleanup ()
void	ELinitialize ()
Site *	hintersect (Halfedge *el1, Halfedge *el2)
int	right_of (Halfedge *el, Point *p)
Halfedge *	HEcreate (Edge *e, char pm)
void	ELinsert (Halfedge *lb, Halfedge *new)
Halfedge *	ELleftbnd (Point *p)
void	ELdelete (Halfedge *he)
Halfedge *	ELright (Halfedge *he)
Halfedge *	ELleft (Halfedge *he)
Site *	leftreg (Halfedge *he)
Site *	rightreg (Halfedge *he)

Variables
Halfedge *	ELleftend
Halfedge *	ELrightend

Macro Definition Documentation

#define DELETED   -2

Definition at line 19 of file hedges.c.

Referenced by ELdelete().

Function Documentation

void ELcleanup

(

void

)

Definition at line 28 of file hedges.c.

References freeinit(), and NULL.

void ELdelete

(

Halfedge *

he

)

Definition at line 232 of file hedges.c.

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

Referenced by voronoi().

void ELinitialize

(

void

)

Definition at line 35 of file hedges.c.

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

Referenced by voronoi().

void ELinsert	(	Halfedge *	lb,
		Halfedge *	new
	)

Definition at line 160 of file hedges.c.

References ELleft(), and Halfedge::ELright.

Referenced by voronoi().

Halfedge* ELleft

(

Halfedge *

he

)

Definition at line 245 of file hedges.c.

References Halfedge::ELleft.

Referenced by ELinsert(), and voronoi().

Halfedge * ELleftbnd

(

Point *

p

)

Definition at line 186 of file hedges.c.

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

Referenced by voronoi().

Halfedge* ELright

(

Halfedge *

he

)

Definition at line 240 of file hedges.c.

References Halfedge::ELright.

Referenced by ELdelete(), and voronoi().

Halfedge* HEcreate	(	Edge *	e,
		char	pm
	)

Definition at line 147 of file hedges.c.

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

Referenced by ELinitialize(), and voronoi().

Site* hintersect	(	Halfedge *	el1,
		Halfedge *	el2
	)

Definition at line 56 of file hedges.c.

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

Referenced by voronoi().

Site* leftreg

(

Halfedge *

he

)

Definition at line 251 of file hedges.c.

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

Referenced by voronoi().

int right_of	(	Halfedge *	el,
		Point *	p
	)

Definition at line 100 of file hedges.c.

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

Referenced by ELleftbnd().

Site* rightreg

(

Halfedge *

he

)

Definition at line 258 of file hedges.c.

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

Referenced by voronoi().

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().