#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdint.h>
#include "triangle.h"

Include dependency graph for triangle.c:

Classes
struct	badsubseg

struct	badtriang

struct	behavior

struct	event

struct	flipstacker

struct	memorypool

struct	mesh

struct	osub

struct	otri

struct	splaynode

Macros
#define	Absolute(a) ((a) >= 0.0 ? (a) : -(a))

#define	apex(otri, vertexptr) vertexptr = (vertex) (otri).tri[(otri).orient + 3]

#define	areabound(otri) ((REAL *) (otri).tri)[m->areaboundindex]

#define	BADSUBSEGPERBLOCK 252

#define	BADTRIPERBLOCK 4092

#define	bond(otri1, otri2)

#define	CDT_ONLY

#define	deadsubseg(sub) ((sub)[1] == (subseg) NULL)

#define	deadtri(tria) ((tria)[1] == (triangle) NULL)

#define	DEADVERTEX -32768

#define	decode(ptr, otri)

#define	dest(otri, vertexptr) vertexptr = (vertex) (otri).tri[minus1mod3[(otri).orient] + 3]

#define	dissolve(otri) (otri).tri[(otri).orient] = (triangle) m->dummytri

#define	dnext(otri1, otri2)

#define	dnextself(otri)

#define	dprev(otri1, otri2)

#define	dprevself(otri)

#define	elemattribute(otri, attnum) ((REAL *) (otri).tri)[m->elemattribindex + (attnum)]

#define	encode(otri) (triangle) ((uintptr_t) (otri).tri \| (uintptr_t) (otri).orient)

#define	Fast_Two_Sum(a, b, x, y)

#define	Fast_Two_Sum_Tail(a, b, x, y)

#define	FILENAMESIZE 2048

#define	FLIPSTACKERPERBLOCK 252

#define	FREEVERTEX 2

#define	INEXACT /* Nothing */

#define	infect(otri)

#define	infected(otri) (((uintptr_t) (otri).tri[6] & (uintptr_t) 2l) != 0l)

#define	INPUTLINESIZE 1024

#define	INPUTVERTEX 0

#define	killsubseg(sub)

#define	killtri(tria)

#define	lnext(otri1, otri2)

#define	lnextself(otri) (otri).orient = plus1mod3[(otri).orient]

#define	lprev(otri1, otri2)

#define	lprevself(otri) (otri).orient = minus1mod3[(otri).orient]

#define	mark(osub) (* (int *) ((osub).ss + 8))

#define	NO_TIMER

#define	ONETHIRD 0.333333333333333333333333333333333333333333333333333333333333

#define	onext(otri1, otri2)

#define	onextself(otri)

#define	oprev(otri1, otri2)

#define	oprevself(otri)

#define	org(otri, vertexptr) vertexptr = (vertex) (otri).tri[plus1mod3[(otri).orient] + 3]

#define	otricopy(otri1, otri2)

#define	otriequal(otri1, otri2)

#define	PI 3.141592653589793238462643383279502884197169399375105820974944592308

#define	REDUCED

#define	rnext(otri1, otri2)

#define	rnextself(otri)

#define	rprev(otri1, otri2)

#define	rprevself(otri)

#define	SAMPLEFACTOR 11

#define	SAMPLERATE 10

#define	sbond(osub1, osub2)

#define	sdecode(sptr, osub)

#define	sdest(osub, vertexptr) vertexptr = (vertex) (osub).ss[3 - (osub).ssorient]

#define	sdissolve(osub) (osub).ss[(osub).ssorient] = (subseg) m->dummysub

#define	segdest(osub, vertexptr) vertexptr = (vertex) (osub).ss[5 - (osub).ssorient]

#define	SEGMENTVERTEX 1

#define	segorg(osub, vertexptr) vertexptr = (vertex) (osub).ss[4 + (osub).ssorient]

#define	sencode(osub) (subseg) ((uintptr_t) (osub).ss \| (uintptr_t) (osub).ssorient)

#define	setapex(otri, vertexptr) (otri).tri[(otri).orient + 3] = (triangle) vertexptr

#define	setareabound(otri, value) ((REAL *) (otri).tri)[m->areaboundindex] = value

#define	setdest(otri, vertexptr) (otri).tri[minus1mod3[(otri).orient] + 3] = (triangle) vertexptr

#define	setelemattribute(otri, attnum, value) ((REAL *) (otri).tri)[m->elemattribindex + (attnum)] = value

#define	setmark(osub, value) * (int *) ((osub).ss + 8) = value

#define	setorg(otri, vertexptr) (otri).tri[plus1mod3[(otri).orient] + 3] = (triangle) vertexptr

#define	setsdest(osub, vertexptr) (osub).ss[3 - (osub).ssorient] = (subseg) vertexptr

#define	setsegdest(osub, vertexptr) (osub).ss[5 - (osub).ssorient] = (subseg) vertexptr

#define	setsegorg(osub, vertexptr) (osub).ss[4 + (osub).ssorient] = (subseg) vertexptr

#define	setsorg(osub, vertexptr) (osub).ss[2 + (osub).ssorient] = (subseg) vertexptr

#define	setvertex2tri(vx, value) ((triangle *) (vx))[m->vertex2triindex] = value

#define	setvertexmark(vx, value) ((int *) (vx))[m->vertexmarkindex] = value

#define	setvertextype(vx, value) ((int *) (vx))[m->vertexmarkindex + 1] = value

#define	snext(osub1, osub2)

#define	snextself(osub)

#define	sorg(osub, vertexptr) vertexptr = (vertex) (osub).ss[2 + (osub).ssorient]

#define	spivot(osub1, osub2)

#define	spivotself(osub)

#define	SPLAYNODEPERBLOCK 508

#define	Split(a, ahi, aLo)

#define	Square(a, x, y)

#define	Square_Tail(a, x, y)

#define	SQUAREROOTTWO 1.4142135623730950488016887242096980785696718753769480732

#define	ssym(osub1, osub2)

#define	ssymself(osub) (osub).ssorient = 1 - (osub).ssorient

#define	STARTINDEX 0

#define	stdissolve(osub) (osub).ss[6 + (osub).ssorient] = (subseg) m->dummytri

#define	stpivot(osub, otri)

#define	subsegcopy(osub1, osub2)

#define	subsegequal(osub1, osub2)

#define	SUBSEGPERBLOCK 508 /* Number of subsegments allocated at once. */

#define	sym(otri1, otri2)

#define	symself(otri)

#define	TRILIBRARY

#define	TRIPERBLOCK 4092 /* Number of triangles allocated at once. */

#define	tsbond(otri, osub)

#define	tsdissolve(otri) (otri).tri[6 + (otri).orient] = (triangle) m->dummysub

#define	tspivot(otri, osub)

#define	Two_Diff(a, b, x, y)

#define	Two_Diff_Tail(a, b, x, y)

#define	Two_One_Diff(a1, a0, b, x2, x1, x0)

#define	Two_One_Product(a1, a0, b, x3, x2, x1, x0)

#define	Two_One_Sum(a1, a0, b, x2, x1, x0)

#define	Two_Product(a, b, x, y)

#define	Two_Product_Presplit(a, b, bhi, blo, x, y)

#define	Two_Product_Tail(a, b, x, y)

#define	Two_Sum(a, b, x, y)

#define	Two_Sum_Tail(a, b, x, y)

#define	Two_Two_Diff(a1, a0, b1, b0, x3, x2, x1, x0)

#define	Two_Two_Sum(a1, a0, b1, b0, x3, x2, x1, x0)

#define	UNDEADVERTEX -32767

#define	uninfect(otri)

#define	vertex2tri(vx) ((triangle *) (vx))[m->vertex2triindex]

#define	vertexmark(vx) ((int *) (vx))[m->vertexmarkindex]

#define	VERTEXPERBLOCK 4092 /* Number of vertices allocated at once. */

#define	vertextype(vx) ((int *) (vx))[m->vertexmarkindex + 1]

#define	VIRUSPERBLOCK 1020 /* Number of virus triangles allocated at once. */

Typedefs
typedef double **	subseg

typedef double **	triangle

typedef double *	vertex

Enumerations
enum	finddirectionresult { WITHIN , LEFTCOLLINEAR , RIGHTCOLLINEAR }

enum	insertvertexresult { SUCCESSFULVERTEX , ENCROACHINGVERTEX , VIOLATINGVERTEX , DUPLICATEVERTEX }

enum	locateresult { INTRIANGLE , ONEDGE , ONVERTEX , OUTSIDE }

Functions
void	alternateaxes (vertex *sortarray, int arraysize, int axis)

void	carveholes (struct mesh m, struct behavior b, double holelist, int holes, double regionlist, int regions)

void	constrainededge (struct mesh m, struct behavior b, struct otri *starttri, vertex endpoint2, int newmark)

double	counterclockwise (struct mesh m, struct behavior b, vertex pa, vertex pb, vertex pc)

double	counterclockwiseadapt (vertex pa, vertex pb, vertex pc, double detsum)

long	delaunay (struct mesh m, struct behavior b)

void	delaunayfixup (struct mesh m, struct behavior b, struct otri *fixuptri, int leftside)

long	divconqdelaunay (struct mesh m, struct behavior b)

void	divconqrecurse (struct mesh m, struct behavior b, vertex sortarray, int vertices, int axis, struct otri farleft, struct otri *farright)

void	dummyinit (struct mesh m, struct behavior b, int trianglebytes, int subsegbytes)

double	estimate (int elen, double *e)

void	exactinit ()

int	fast_expansion_sum_zeroelim (int elen, double e, int flen, double f, double *h)

void	findcircumcenter (struct mesh m, struct behavior b, vertex torg, vertex tdest, vertex tapex, vertex circumcenter, double xi, double eta, int offcenter)

enum finddirectionresult	finddirection (struct mesh m, struct behavior b, struct otri *searchtri, vertex searchpoint)

void	flip (struct mesh m, struct behavior b, struct otri *flipedge)

void	formskeleton (struct mesh m, struct behavior b, int segmentlist, int segmentmarkerlist, int numberofsegments)

vertex	getvertex (struct mesh m, struct behavior b, int number)

void	highorder (struct mesh m, struct behavior b)

double	incircle (struct mesh m, struct behavior b, vertex pa, vertex pb, vertex pc, vertex pd)

double	incircleadapt (vertex pa, vertex pb, vertex pc, vertex pd, double permanent)

void	infecthull (struct mesh m, struct behavior b)

void	initializetrisubpools (struct mesh m, struct behavior b)

void	initializevertexpool (struct mesh m, struct behavior b)

void	insertsegment (struct mesh m, struct behavior b, vertex endpoint1, vertex endpoint2, int newmark)

void	insertsubseg (struct mesh m, struct behavior b, struct otri *tri, int subsegmark)

enum insertvertexresult	insertvertex (struct mesh m, struct behavior b, vertex newvertex, struct otri searchtri, struct osub splitseg, int segmentflaws, int triflaws)

void	internalerror ()

enum locateresult	locate (struct mesh m, struct behavior b, vertex searchpoint, struct otri *searchtri)

void	makesubseg (struct mesh m, struct osub newsubseg)

void	maketriangle (struct mesh m, struct behavior b, struct otri *newotri)

void	makevertexmap (struct mesh m, struct behavior b)

void	markhull (struct mesh m, struct behavior b)

void	mergehulls (struct mesh m, struct behavior b, struct otri farleft, struct otri innerleft, struct otri innerright, struct otri farright, int axis)

double	nonregular (struct mesh m, struct behavior b, vertex pa, vertex pb, vertex pc, vertex pd)

void	numbernodes (struct mesh m, struct behavior b)

double	orient3d (struct mesh m, struct behavior b, vertex pa, vertex pb, vertex pc, vertex pd, double aheight, double bheight, double cheight, double dheight)

double	orient3dadapt (vertex pa, vertex pb, vertex pc, vertex pd, double aheight, double bheight, double cheight, double dheight, double permanent)

void	parsecommandline (int argc, char *argv, struct behavior b)

void	plague (struct mesh m, struct behavior b)

void *	poolalloc (struct memorypool *pool)

void	pooldealloc (struct memorypool pool, void dyingitem)

void	pooldeinit (struct memorypool *pool)

void	poolinit (struct memorypool *pool, int bytecount, int itemcount, int firstitemcount, int alignment)

void	poolrestart (struct memorypool *pool)

void	poolzero (struct memorypool *pool)

enum locateresult	preciselocate (struct mesh m, struct behavior b, vertex searchpoint, struct otri *searchtri, int stopatsubsegment)

void	printsubseg (struct mesh m, struct behavior b, struct osub *s)

void	printtriangle (struct mesh m, struct behavior b, struct otri *t)

void	quality_statistics (struct mesh m, struct behavior b)

uintptr_t	randomnation (unsigned int choices)

void	regionplague (struct mesh m, struct behavior b, double attribute, double area)

long	removeghosts (struct mesh m, struct behavior b, struct otri *startghost)

int	scale_expansion_zeroelim (int elen, double e, double b, double h)

int	scoutsegment (struct mesh m, struct behavior b, struct otri *searchtri, vertex endpoint2, int newmark)

void	segmentintersection (struct mesh m, struct behavior b, struct otri splittri, struct osub splitsubseg, vertex endpoint2)

void	statistics (struct mesh m, struct behavior b)

void	subsegdealloc (struct mesh m, subseg dyingsubseg)

subseg *	subsegtraverse (struct mesh *m)

void	transfernodes (struct mesh m, struct behavior b, double pointlist, double pointattriblist, int *pointmarkerlist, int numberofpoints, int numberofpointattribs)

void	traversalinit (struct memorypool *pool)

void *	traverse (struct memorypool *pool)

void	triangledealloc (struct mesh m, triangle dyingtriangle)

void	triangledeinit (struct mesh m, struct behavior b)

void	triangleinit (struct mesh *m)

triangle *	triangletraverse (struct mesh *m)

void	triangulate (char triswitches, struct triangulateio in, struct triangulateio out, struct triangulateio vorout)

void	triangulatepolygon (struct mesh m, struct behavior b, struct otri firstedge, struct otri lastedge, int edgecount, int doflip, int triflaws)

void	triexit (int status)

void	trifree (void *memptr)

void *	trimalloc (int size)

int	triunsuitable (vertex triorg, vertex tridest, vertex triapex, double area)

void	unflip (struct mesh m, struct behavior b, struct otri *flipedge)

void	vertexdealloc (struct mesh *m, vertex dyingvertex)

void	vertexmedian (vertex *sortarray, int arraysize, int median, int axis)

void	vertexsort (vertex *sortarray, int arraysize)

vertex	vertextraverse (struct mesh *m)

void	writeedges (struct mesh m, struct behavior b, int edgelist, int edgemarkerlist)

void	writeelements (struct mesh m, struct behavior b, int trianglelist, double triangleattriblist)

void	writeneighbors (struct mesh m, struct behavior b, int **neighborlist)

void	writenodes (struct mesh m, struct behavior b, double pointlist, double pointattriblist, int **pointmarkerlist)

void	writepoly (struct mesh m, struct behavior b, int segmentlist, int segmentmarkerlist)

void	writevoronoi (struct mesh m, struct behavior b, double vpointlist, double vpointattriblist, int vpointmarkerlist, int vedgelist, int vedgemarkerlist, double vnormlist)

Variables
double	ccwerrboundA

double	ccwerrboundB

double	ccwerrboundC

double	epsilon

double	iccerrboundA

double	iccerrboundB

double	iccerrboundC

int	minus1mod3 [3] = {2, 0, 1}

double	o3derrboundA

double	o3derrboundB

double	o3derrboundC

int	plus1mod3 [3] = {1, 2, 0}

uintptr_t	randomseed

double	resulterrbound

double	splitter

Macro Definition Documentation

◆ Absolute

#define Absolute ( a ) ((a) >= 0.0 ? (a) : -(a))

Definition at line 4730 of file triangle.c.

◆ apex

#define apex	(	otri,
		vertexptr
	)	vertexptr = (vertex) (otri).tri[(otri).orient + 3]

Definition at line 1044 of file triangle.c.

◆ areabound

#define areabound ( otri ) ((REAL *) (otri).tri)[m->areaboundindex]

Definition at line 1108 of file triangle.c.

◆ BADSUBSEGPERBLOCK

#define BADSUBSEGPERBLOCK 252

Definition at line 271 of file triangle.c.

◆ BADTRIPERBLOCK

#define BADTRIPERBLOCK 4092

Definition at line 273 of file triangle.c.

◆ bond

#define bond	(	otri1,
		otri2
	)

Value:

(otri1).tri[(otri1).orient] = encode(otri2); \

(otri2).tri[(otri2).orient] = encode(otri1)

encode

#define encode(otri)

Definition triangle.c:922

Definition at line 1058 of file triangle.c.

◆ CDT_ONLY

#define CDT_ONLY

Definition at line 227 of file triangle.c.

◆ deadsubseg

#define deadsubseg ( sub ) ((sub)[1] == (subseg) NULL)

Definition at line 1241 of file triangle.c.

◆ deadtri

#define deadtri ( tria ) ((tria)[1] == (triangle) NULL)

Definition at line 1118 of file triangle.c.

◆ DEADVERTEX

#define DEADVERTEX -32768

Definition at line 286 of file triangle.c.

◆ decode

#define decode	(	ptr,
		otri
	)

Value:

  (otri).orient = (int) ((uintptr_t) (ptr) & (uintptr_t) 3l);                 \
  (otri).tri = (triangle *)                                                   \
                  ((uintptr_t) (ptr) ^ (uintptr_t) (otri).orient)

Definition at line 913 of file triangle.c.

◆ dest

#define dest	(	otri,
		vertexptr
	)	vertexptr = (vertex) (otri).tri[minus1mod3[(otri).orient] + 3]

Definition at line 1041 of file triangle.c.

◆ dissolve

#define dissolve ( otri ) (otri).tri[(otri).orient] = (triangle) m->dummytri

Definition at line 1067 of file triangle.c.

◆ dnext

#define dnext	(	otri1,
		otri2
	)

Value:

sym(otri1, otri2); \

lprevself(otri2);

sym

#define sym(otri1, otri2)

Definition triangle.c:933

Definition at line 987 of file triangle.c.

◆ dnextself

#define dnextself ( otri )

Value:

symself(otri); \

lprevself(otri);

symself

#define symself(otri)

Definition triangle.c:937

Definition at line 991 of file triangle.c.

◆ dprev

#define dprev	(	otri1,
		otri2
	)

Value:

lnext(otri1, otri2); \

symself(otri2);

lnext

#define lnext(otri1, otri2)

Definition triangle.c:943

Definition at line 999 of file triangle.c.

◆ dprevself

#define dprevself ( otri )

Value:

lnextself(otri); \

symself(otri);

lnextself

#define lnextself(otri)

Definition triangle.c:947

Definition at line 1003 of file triangle.c.

◆ elemattribute

#define elemattribute	(	otri,
		attnum
	)	((REAL *) (otri).tri)[m->elemattribindex + (attnum)]

Definition at line 1100 of file triangle.c.

◆ encode

#define encode ( otri ) (triangle) ((uintptr_t) (otri).tri | (uintptr_t) (otri).orient)

Definition at line 922 of file triangle.c.

◆ Fast_Two_Sum

#define Fast_Two_Sum	(	a,
		b,
		x,
		y
	)

Value:

x = (REAL) (a + b); \

Fast_Two_Sum_Tail(a, b, x, y)

b

#define b(i)

Definition RSha256.hxx:100

a

#define a(i)

Definition RSha256.hxx:99

y

Double_t y[n]

Definition legend1.C:17

x

Double_t x[n]

Definition legend1.C:17

REAL

#define REAL

Definition triangle.h:277

Definition at line 4750 of file triangle.c.

◆ Fast_Two_Sum_Tail

#define Fast_Two_Sum_Tail	(	a,
		b,
		x,
		y
	)

Value:

bvirt = x - a; \

y = b - bvirt

Definition at line 4746 of file triangle.c.

◆ FILENAMESIZE

#define FILENAMESIZE 2048

Definition at line 255 of file triangle.c.

◆ FLIPSTACKERPERBLOCK

#define FLIPSTACKERPERBLOCK 252

Definition at line 275 of file triangle.c.

◆ FREEVERTEX

#define FREEVERTEX 2

Definition at line 285 of file triangle.c.

◆ INEXACT

#define INEXACT /* Nothing */

Definition at line 250 of file triangle.c.

◆ infect

#define infect ( otri )

Value:

(otri).tri[6] = (triangle) \

((uintptr_t) (otri).tri[6] | (uintptr_t) 2l)

Definition at line 1085 of file triangle.c.

◆ infected

#define infected ( otri ) (((uintptr_t) (otri).tri[6] & (uintptr_t) 2l) != 0l)

Definition at line 1095 of file triangle.c.

◆ INPUTLINESIZE

#define INPUTLINESIZE 1024

Definition at line 260 of file triangle.c.

◆ INPUTVERTEX

#define INPUTVERTEX 0

Definition at line 283 of file triangle.c.

◆ killsubseg

#define killsubseg ( sub )

Value:

(sub)[1] = (subseg) NULL; \

(sub)[2] = (subseg) NULL

Definition at line 1243 of file triangle.c.

◆ killtri

#define killtri ( tria )

Value:

(tria)[1] = (triangle) NULL; \

(tria)[3] = (triangle) NULL

Definition at line 1120 of file triangle.c.

◆ lnext

#define lnext	(	otri1,
		otri2
	)

Value:

(otri2).tri = (otri1).tri; \

(otri2).orient = plus1mod3[(otri1).orient]

plus1mod3

int plus1mod3[3]

Definition triangle.c:903

Definition at line 943 of file triangle.c.

◆ lnextself

#define lnextself ( otri ) (otri).orient = plus1mod3[(otri).orient]

Definition at line 947 of file triangle.c.

◆ lprev

#define lprev	(	otri1,
		otri2
	)

Value:

(otri2).tri = (otri1).tri; \

(otri2).orient = minus1mod3[(otri1).orient]

minus1mod3

int minus1mod3[3]

Definition triangle.c:904

Definition at line 952 of file triangle.c.

◆ lprevself

#define lprevself ( otri ) (otri).orient = minus1mod3[(otri).orient]

Definition at line 956 of file triangle.c.

◆ mark

#define mark ( osub ) (* (int *) ((osub).ss + 8))

Definition at line 1207 of file triangle.c.

◆ NO_TIMER

#define NO_TIMER

Definition at line 200 of file triangle.c.

◆ ONETHIRD

#define ONETHIRD 0.333333333333333333333333333333333333333333333333333333333333

Definition at line 313 of file triangle.c.

◆ onext

#define onext	(	otri1,
		otri2
	)

Value:

lprev(otri1, otri2); \

symself(otri2);

lprev

#define lprev(otri1, otri2)

Definition triangle.c:952

Definition at line 963 of file triangle.c.

◆ onextself

#define onextself ( otri )

Value:

lprevself(otri); \

symself(otri);

lprevself

#define lprevself(otri)

Definition triangle.c:956

Definition at line 967 of file triangle.c.

◆ oprev

#define oprev	(	otri1,
		otri2
	)

Value:

sym(otri1, otri2); \

lnextself(otri2);

Definition at line 975 of file triangle.c.

◆ oprevself

#define oprevself ( otri )

Value:

symself(otri); \

lnextself(otri);

Definition at line 979 of file triangle.c.

◆ org

#define org	(	otri,
		vertexptr
	)	vertexptr = (vertex) (otri).tri[plus1mod3[(otri).orient] + 3]

Definition at line 1038 of file triangle.c.

◆ otricopy

#define otricopy	(	otri1,
		otri2
	)

Value:

(otri2).tri = (otri1).tri; \

(otri2).orient = (otri1).orient

Definition at line 1072 of file triangle.c.

◆ otriequal

#define otriequal	(	otri1,
		otri2
	)

Value:

(((otri1).tri == (otri2).tri) && \

((otri1).orient == (otri2).orient))

Definition at line 1078 of file triangle.c.

◆ PI

#define PI 3.141592653589793238462643383279502884197169399375105820974944592308

Definition at line 305 of file triangle.c.

◆ REDUCED

#define REDUCED

Definition at line 226 of file triangle.c.

◆ rnext

#define rnext	(	otri1,
		otri2
	)

Value:

  sym(otri1, otri2);                                                          \
  lnextself(otri2);                                                           \
  symself(otri2);

Definition at line 1011 of file triangle.c.

◆ rnextself

#define rnextself ( otri )

Value:

  symself(otri);                                                              \
  lnextself(otri);                                                            \
  symself(otri);

Definition at line 1016 of file triangle.c.

◆ rprev

#define rprev	(	otri1,
		otri2
	)

Value:

  sym(otri1, otri2);                                                          \
  lprevself(otri2);                                                           \
  symself(otri2);

Definition at line 1025 of file triangle.c.

◆ rprevself

#define rprevself ( otri )

Value:

  symself(otri);                                                              \
  lprevself(otri);                                                            \
  symself(otri);

Definition at line 1030 of file triangle.c.

◆ SAMPLEFACTOR

#define SAMPLEFACTOR 11

Definition at line 295 of file triangle.c.

◆ SAMPLERATE

#define SAMPLERATE 10

Definition at line 301 of file triangle.c.

◆ sbond

#define sbond	(	osub1,
		osub2
	)

Value:

(osub1).ss[(osub1).ssorient] = sencode(osub2); \

(osub2).ss[(osub2).ssorient] = sencode(osub1)

sencode

#define sencode(osub)

Definition triangle.c:1142

Definition at line 1214 of file triangle.c.

◆ sdecode

#define sdecode	(	sptr,
		osub
	)

Value:

  (osub).ssorient = (int) ((uintptr_t) (sptr) & (uintptr_t) 1l);              \
  (osub).ss = (subseg *)                                                      \
              ((uintptr_t) (sptr) & ~ (uintptr_t) 3l)

Definition at line 1133 of file triangle.c.

◆ sdest

#define sdest	(	osub,
		vertexptr
	)	vertexptr = (vertex) (osub).ss[3 - (osub).ssorient]

Definition at line 1182 of file triangle.c.

◆ sdissolve

#define sdissolve ( osub ) (osub).ss[(osub).ssorient] = (subseg) m->dummysub

Definition at line 1221 of file triangle.c.

◆ segdest

#define segdest	(	osub,
		vertexptr
	)	vertexptr = (vertex) (osub).ss[5 - (osub).ssorient]

Definition at line 1194 of file triangle.c.

◆ SEGMENTVERTEX

#define SEGMENTVERTEX 1

Definition at line 284 of file triangle.c.

◆ segorg

#define segorg	(	osub,
		vertexptr
	)	vertexptr = (vertex) (osub).ss[4 + (osub).ssorient]

Definition at line 1191 of file triangle.c.

◆ sencode

#define sencode ( osub ) (subseg) ((uintptr_t) (osub).ss | (uintptr_t) (osub).ssorient)

Definition at line 1142 of file triangle.c.

◆ setapex

#define setapex	(	otri,
		vertexptr
	)	(otri).tri[(otri).orient + 3] = (triangle) vertexptr

Definition at line 1053 of file triangle.c.

◆ setareabound

#define setareabound	(	otri,
		value
	)	((REAL *) (otri).tri)[m->areaboundindex] = value

Definition at line 1110 of file triangle.c.

◆ setdest

#define setdest	(	otri,
		vertexptr
	)	(otri).tri[minus1mod3[(otri).orient] + 3] = (triangle) vertexptr

Definition at line 1050 of file triangle.c.

◆ setelemattribute

#define setelemattribute	(	otri,
		attnum,
		value
	)	((REAL *) (otri).tri)[m->elemattribindex + (attnum)] = value

Definition at line 1103 of file triangle.c.

◆ setmark

#define setmark	(	osub,
		value
	)	* (int *) ((osub).ss + 8) = value

Definition at line 1209 of file triangle.c.

◆ setorg

#define setorg	(	otri,
		vertexptr
	)	(otri).tri[plus1mod3[(otri).orient] + 3] = (triangle) vertexptr

Definition at line 1047 of file triangle.c.

◆ setsdest

#define setsdest	(	osub,
		vertexptr
	)	(osub).ss[3 - (osub).ssorient] = (subseg) vertexptr

Definition at line 1188 of file triangle.c.

◆ setsegdest

#define setsegdest	(	osub,
		vertexptr
	)	(osub).ss[5 - (osub).ssorient] = (subseg) vertexptr

Definition at line 1200 of file triangle.c.

◆ setsegorg

#define setsegorg	(	osub,
		vertexptr
	)	(osub).ss[4 + (osub).ssorient] = (subseg) vertexptr

Definition at line 1197 of file triangle.c.

◆ setsorg

#define setsorg	(	osub,
		vertexptr
	)	(osub).ss[2 + (osub).ssorient] = (subseg) vertexptr

Definition at line 1185 of file triangle.c.

◆ setvertex2tri

#define setvertex2tri	(	vx,
		value
	)	((triangle *) (vx))[m->vertex2triindex] = value

Definition at line 1296 of file triangle.c.

◆ setvertexmark

#define setvertexmark	(	vx,
		value
	)	((int *) (vx))[m->vertexmarkindex] = value

Definition at line 1286 of file triangle.c.

◆ setvertextype

#define setvertextype	(	vx,
		value
	)	((int *) (vx))[m->vertexmarkindex + 1] = value

Definition at line 1291 of file triangle.c.

◆ snext

#define snext	(	osub1,
		osub2
	)

Value:

sptr = (osub1).ss[1 - (osub1).ssorient]; \

sdecode(sptr, osub2)

Definition at line 1168 of file triangle.c.

◆ snextself

#define snextself ( osub )

Value:

sptr = (osub).ss[1 - (osub).ssorient]; \

sdecode(sptr, osub)

Definition at line 1172 of file triangle.c.

◆ sorg

#define sorg	(	osub,
		vertexptr
	)	vertexptr = (vertex) (osub).ss[2 + (osub).ssorient]

Definition at line 1179 of file triangle.c.

◆ spivot

#define spivot	(	osub1,
		osub2
	)

Value:

sptr = (osub1).ss[(osub1).ssorient]; \

sdecode(sptr, osub2)

Definition at line 1157 of file triangle.c.

◆ spivotself

#define spivotself ( osub )

Value:

sptr = (osub).ss[(osub).ssorient]; \

sdecode(sptr, osub)

Definition at line 1161 of file triangle.c.

◆ SPLAYNODEPERBLOCK

#define SPLAYNODEPERBLOCK 508

Definition at line 277 of file triangle.c.

◆ Split

#define Split	(	a,
		ahi,
		aLo
	)

Value:

  c = (REAL) (splitter * a); \
  abig = (REAL) (c - a); \
  ahi = c - abig; \
  aLo = a - ahi

Definition at line 4776 of file triangle.c.

◆ Square

#define Square	(	a,
		x,
		y
	)

Value:

x = (REAL) (a * a); \

Square_Tail(a, x, y)

Definition at line 4813 of file triangle.c.

◆ Square_Tail

#define Square_Tail	(	a,
		x,
		y
	)

Value:

  Split(a, ahi, aLo); \
  err1 = x - (ahi * ahi); \
  err3 = err1 - ((ahi + ahi) * aLo); \
  y = (aLo * aLo) - err3

Definition at line 4807 of file triangle.c.

◆ SQUAREROOTTWO

#define SQUAREROOTTWO 1.4142135623730950488016887242096980785696718753769480732

Definition at line 309 of file triangle.c.

◆ ssym

#define ssym	(	osub1,
		osub2
	)

Value:

(osub2).ss = (osub1).ss; \

(osub2).ssorient = 1 - (osub1).ssorient

Definition at line 1147 of file triangle.c.

◆ ssymself

#define ssymself ( osub ) (osub).ssorient = 1 - (osub).ssorient

Definition at line 1151 of file triangle.c.

◆ STARTINDEX

#define STARTINDEX 0

◆ stdissolve

#define stdissolve ( osub ) (osub).ss[6 + (osub).ssorient] = (subseg) m->dummytri

Definition at line 1277 of file triangle.c.

◆ stpivot

#define stpivot	(	osub,
		otri
	)

Value:

ptr = (triangle) (osub).ss[6 + (osub).ssorient]; \

decode(ptr, otri)

triangle

double ** triangle

Definition triangle.c:479

Definition at line 1260 of file triangle.c.

◆ subsegcopy

#define subsegcopy	(	osub1,
		osub2
	)

Value:

(osub2).ss = (osub1).ss; \

(osub2).ssorient = (osub1).ssorient

Definition at line 1226 of file triangle.c.

◆ subsegequal

#define subsegequal	(	osub1,
		osub2
	)

Value:

(((osub1).ss == (osub2).ss) && \

((osub1).ssorient == (osub2).ssorient))

Definition at line 1232 of file triangle.c.

◆ SUBSEGPERBLOCK

#define SUBSEGPERBLOCK 508 /* Number of subsegments allocated at once. */

Definition at line 267 of file triangle.c.

◆ sym

#define sym	(	otri1,
		otri2
	)

Value:

ptr = (otri1).tri[(otri1).orient]; \

decode(ptr, otri2);

Definition at line 933 of file triangle.c.

◆ symself

#define symself ( otri )

Value:

ptr = (otri).tri[(otri).orient]; \

decode(ptr, otri);

Definition at line 937 of file triangle.c.

◆ TRILIBRARY

#define TRILIBRARY

Definition at line 214 of file triangle.c.

◆ TRIPERBLOCK

#define TRIPERBLOCK 4092 /* Number of triangles allocated at once. */

Definition at line 266 of file triangle.c.

◆ tsbond

#define tsbond	(	otri,
		osub
	)

Value:

(otri).tri[6 + (otri).orient] = (triangle) sencode(osub); \

(osub).ss[6 + (osub).ssorient] = (subseg) encode(otri)

subseg

double ** subseg

Definition triangle.c:496

Definition at line 1266 of file triangle.c.

◆ tsdissolve

#define tsdissolve ( otri ) (otri).tri[6 + (otri).orient] = (triangle) m->dummysub

Definition at line 1272 of file triangle.c.

◆ tspivot

#define tspivot	(	otri,
		osub
	)

Value:

sptr = (subseg) (otri).tri[6 + (otri).orient]; \

sdecode(sptr, osub)

Definition at line 1253 of file triangle.c.

◆ Two_Diff

#define Two_Diff	(	a,
		b,
		x,
		y
	)

Value:

x = (REAL) (a - b); \

Two_Diff_Tail(a, b, x, y)

Definition at line 4772 of file triangle.c.

◆ Two_Diff_Tail

#define Two_Diff_Tail	(	a,
		b,
		x,
		y
	)

Value:

  bvirt = (REAL) (a - x); \
  avirt = x + bvirt; \
  bround = bvirt - b; \
  around = a - avirt; \
  y = around + bround

Definition at line 4765 of file triangle.c.

◆ Two_One_Diff

#define Two_One_Diff	(	a1,
		a0,
		b,
		x2,
		x1,
		x0
	)

Value:

Two_Diff(a0, b , _i, x0); \

Two_Sum( a1, _i, x2, x1)

x2

Option_t Option_t TPoint TPoint const char x2

Definition TGWin32VirtualXProxy.cxx:70

x1

Option_t Option_t TPoint TPoint const char x1

Definition TGWin32VirtualXProxy.cxx:70

Two_Diff

#define Two_Diff(a, b, x, y)

Definition triangle.c:4772

Definition at line 4824 of file triangle.c.

◆ Two_One_Product

#define Two_One_Product	(	a1,
		a0,
		b,
		x3,
		x2,
		x1,
		x0
	)

Value:

  Split(b, bhi, blo); \
  Two_Product_Presplit(a0, b, bhi, blo, _i, x0); \
  Two_Product_Presplit(a1, b, bhi, blo, _j, _0); \
  Two_Sum(_i, _0, _k, x1); \
  Fast_Two_Sum(_j, _k, x3, x2)

Definition at line 4838 of file triangle.c.

◆ Two_One_Sum

#define Two_One_Sum	(	a1,
		a0,
		b,
		x2,
		x1,
		x0
	)

Value:

Two_Sum(a0, b , _i, x0); \

Two_Sum(a1, _i, x2, x1)

Two_Sum

#define Two_Sum(a, b, x, y)

Definition triangle.c:4761

Definition at line 4820 of file triangle.c.

◆ Two_Product

#define Two_Product	(	a,
		b,
		x,
		y
	)

Value:

x = (REAL) (a * b); \

Two_Product_Tail(a, b, x, y)

Definition at line 4790 of file triangle.c.

◆ Two_Product_Presplit

#define Two_Product_Presplit	(	a,
		b,
		bhi,
		blo,
		x,
		y
	)

Value:

  x = (REAL) (a * b); \
  Split(a, ahi, aLo); \
  err1 = x - (ahi * bhi); \
  err2 = err1 - (aLo * bhi); \
  err3 = err2 - (ahi * blo); \
  y = (aLo * blo) - err3

Definition at line 4797 of file triangle.c.

◆ Two_Product_Tail

#define Two_Product_Tail	(	a,
		b,
		x,
		y
	)

Value:

  Split(a, ahi, aLo); \
  Split(b, bhi, blo); \
  err1 = x - (ahi * bhi); \
  err2 = err1 - (aLo * bhi); \
  err3 = err2 - (ahi * blo); \
  y = (aLo * blo) - err3

Definition at line 4782 of file triangle.c.

◆ Two_Sum

#define Two_Sum	(	a,
		b,
		x,
		y
	)

Value:

x = (REAL) (a + b); \

Two_Sum_Tail(a, b, x, y)

Definition at line 4761 of file triangle.c.

◆ Two_Sum_Tail

#define Two_Sum_Tail	(	a,
		b,
		x,
		y
	)

Value:

  bvirt = (REAL) (x - a); \
  avirt = x - bvirt; \
  bround = b - bvirt; \
  around = a - avirt; \
  y = around + bround

Definition at line 4754 of file triangle.c.

◆ Two_Two_Diff

#define Two_Two_Diff	(	a1,
		a0,
		b1,
		b0,
		x3,
		x2,
		x1,
		x0
	)

Value:

Two_One_Diff(a1, a0, b0, _j, _0, x0); \

Two_One_Diff(_j, _0, b1, x3, x2, x1)

Two_One_Diff

#define Two_One_Diff(a1, a0, b, x2, x1, x0)

Definition triangle.c:4824

Definition at line 4832 of file triangle.c.

◆ Two_Two_Sum

#define Two_Two_Sum	(	a1,
		a0,
		b1,
		b0,
		x3,
		x2,
		x1,
		x0
	)

Value:

Two_One_Sum(a1, a0, b0, _j, _0, x0); \

Two_One_Sum(_j, _0, b1, x3, x2, x1)

Two_One_Sum

#define Two_One_Sum(a1, a0, b, x2, x1, x0)

Definition triangle.c:4820

Definition at line 4828 of file triangle.c.

◆ UNDEADVERTEX

#define UNDEADVERTEX -32767

Definition at line 287 of file triangle.c.

◆ uninfect

#define uninfect ( otri )

Value:

(otri).tri[6] = (triangle) \

((uintptr_t) (otri).tri[6] & ~ (uintptr_t) 2l)

Definition at line 1089 of file triangle.c.

◆ vertex2tri

#define vertex2tri ( vx ) ((triangle *) (vx))[m->vertex2triindex]

Definition at line 1294 of file triangle.c.

◆ vertexmark

#define vertexmark ( vx ) ((int *) (vx))[m->vertexmarkindex]

Definition at line 1284 of file triangle.c.

◆ VERTEXPERBLOCK

#define VERTEXPERBLOCK 4092 /* Number of vertices allocated at once. */

Definition at line 268 of file triangle.c.

◆ vertextype

#define vertextype ( vx ) ((int *) (vx))[m->vertexmarkindex + 1]

Definition at line 1289 of file triangle.c.

◆ VIRUSPERBLOCK

#define VIRUSPERBLOCK 1020 /* Number of virus triangles allocated at once. */

Definition at line 269 of file triangle.c.

Typedef Documentation

◆ subseg

typedef double** subseg

Definition at line 496 of file triangle.c.

◆ triangle

typedef double** triangle

Definition at line 479 of file triangle.c.

◆ vertex

typedef double* vertex

Definition at line 513 of file triangle.c.

Enumeration Type Documentation

◆ finddirectionresult

enum finddirectionresult

Enumerator
WITHIN
LEFTCOLLINEAR
RIGHTCOLLINEAR

Definition at line 360 of file triangle.c.

◆ insertvertexresult

enum insertvertexresult

Enumerator
SUCCESSFULVERTEX
ENCROACHINGVERTEX
VIOLATINGVERTEX
DUPLICATEVERTEX

Definition at line 352 of file triangle.c.

◆ locateresult

enum locateresult

Enumerator
INTRIANGLE
ONEDGE
ONVERTEX
OUTSIDE

Definition at line 344 of file triangle.c.

Function Documentation

◆ alternateaxes()

void alternateaxes	(	vertex *	sortarray,
		int	arraysize,
		int	axis
	)

Definition at line 9336 of file triangle.c.

◆ carveholes()

void carveholes	(	struct mesh *	m,
		struct behavior *	b,
		double *	holelist,
		int	holes,
		double *	regionlist,
		int	regions
	)

Definition at line 12964 of file triangle.c.

◆ constrainededge()

void constrainededge	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	starttri,
		vertex	endpoint2,
		int	newmark
	)

Definition at line 12132 of file triangle.c.

◆ counterclockwise()

double counterclockwise	(	struct mesh *	m,
		struct behavior *	b,
		vertex	pa,
		vertex	pb,
		vertex	pc
	)

Definition at line 5216 of file triangle.c.

◆ counterclockwiseadapt()

double counterclockwiseadapt	(	vertex	pa,
		vertex	pb,
		vertex	pc,
		double	detsum
	)

Definition at line 5127 of file triangle.c.

◆ delaunay()

long delaunay	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 10998 of file triangle.c.

◆ delaunayfixup()

void delaunayfixup	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	fixuptri,
		int	leftside
	)

Definition at line 12012 of file triangle.c.

◆ divconqdelaunay()

long divconqdelaunay	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 9954 of file triangle.c.

◆ divconqrecurse()

void divconqrecurse	(	struct mesh *	m,
		struct behavior *	b,
		vertex *	sortarray,
		int	vertices,
		int	axis,
		struct otri *	farleft,
		struct otri *	farright
	)

Definition at line 9727 of file triangle.c.

◆ dummyinit()

void dummyinit	(	struct mesh *	m,
		struct behavior *	b,
		int	trianglebytes,
		int	subsegbytes
	)

Definition at line 4167 of file triangle.c.

◆ estimate()

double estimate	(	int	elen,
		double *	e
	)

Definition at line 5088 of file triangle.c.

◆ exactinit()

void exactinit ( )

Definition at line 4864 of file triangle.c.

◆ fast_expansion_sum_zeroelim()

int fast_expansion_sum_zeroelim	(	int	elen,
		double *	e,
		int	flen,
		double *	f,
		double *	h
	)

Definition at line 4938 of file triangle.c.

◆ findcircumcenter()

void findcircumcenter	(	struct mesh *	m,
		struct behavior *	b,
		vertex	torg,
		vertex	tdest,
		vertex	tapex,
		vertex	circumcenter,
		double *	xi,
		double *	eta,
		int	offcenter
	)

Definition at line 6495 of file triangle.c.

◆ finddirection()

enum finddirectionresult finddirection	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	searchtri,
		vertex	searchpoint
	)

Definition at line 11575 of file triangle.c.

◆ flip()

void flip	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	flipedge
	)

Definition at line 7890 of file triangle.c.

◆ formskeleton()

void formskeleton	(	struct mesh *	m,
		struct behavior *	b,
		int *	segmentlist,
		int *	segmentmarkerlist,
		int	numberofsegments
	)

Definition at line 12392 of file triangle.c.

◆ getvertex()

vertex getvertex	(	struct mesh *	m,
		struct behavior *	b,
		int	number
	)

Definition at line 4556 of file triangle.c.

◆ highorder()

void highorder	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 13695 of file triangle.c.

◆ incircle()

double incircle	(	struct mesh *	m,
		struct behavior *	b,
		vertex	pa,
		vertex	pb,
		vertex	pc,
		vertex	pd
	)

Definition at line 5864 of file triangle.c.

◆ incircleadapt()

double incircleadapt	(	vertex	pa,
		vertex	pb,
		vertex	pc,
		vertex	pd,
		double	permanent
	)

Definition at line 5285 of file triangle.c.

◆ infecthull()

void infecthull	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 12559 of file triangle.c.

◆ initializetrisubpools()

void initializetrisubpools	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 4290 of file triangle.c.

◆ initializevertexpool()

void initializevertexpool	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 4247 of file triangle.c.

◆ insertsegment()

void insertsegment	(	struct mesh *	m,
		struct behavior *	b,
		vertex	endpoint1,
		vertex	endpoint2,
		int	newmark
	)

Definition at line 12234 of file triangle.c.

◆ insertsubseg()

void insertsubseg	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	tri,
		int	subsegmark
	)

Definition at line 7786 of file triangle.c.

◆ insertvertex()

enum insertvertexresult insertvertex	(	struct mesh *	m,
		struct behavior *	b,
		vertex	newvertex,
		struct otri *	searchtri,
		struct osub *	splitseg,
		int	segmentflaws,
		int	triflaws
	)

Definition at line 8174 of file triangle.c.

◆ internalerror()

void internalerror ( )

Definition at line 3242 of file triangle.c.

◆ locate()

enum locateresult locate	(	struct mesh *	m,
		struct behavior *	b,
		vertex	searchpoint,
		struct otri *	searchtri
	)

Definition at line 7615 of file triangle.c.

◆ makesubseg()

void makesubseg	(	struct mesh *	m,
		struct osub *	newsubseg
	)

Definition at line 4682 of file triangle.c.

◆ maketriangle()

void maketriangle	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	newotri
	)

Definition at line 4638 of file triangle.c.

◆ makevertexmap()

void makevertexmap	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 7376 of file triangle.c.

◆ markhull()

void markhull	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 12346 of file triangle.c.

◆ mergehulls()

void mergehulls	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	farleft,
		struct otri *	innerleft,
		struct otri *	innerright,
		struct otri *	farright,
		int	axis
	)

Definition at line 9400 of file triangle.c.

◆ nonregular()

double nonregular	(	struct mesh *	m,
		struct behavior *	b,
		vertex	pa,
		vertex	pb,
		vertex	pc,
		vertex	pd
	)

Definition at line 6454 of file triangle.c.

◆ numbernodes()

void numbernodes	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 14446 of file triangle.c.

◆ orient3d()

double orient3d	(	struct mesh *	m,
		struct behavior *	b,
		vertex	pa,
		vertex	pb,
		vertex	pc,
		vertex	pd,
		double	aheight,
		double	bheight,
		double	cheight,
		double	dheight
	)

Definition at line 6371 of file triangle.c.

◆ orient3dadapt()

double orient3dadapt	(	vertex	pa,
		vertex	pb,
		vertex	pc,
		vertex	pd,
		double	aheight,
		double	bheight,
		double	cheight,
		double	dheight,
		double	permanent
	)

Definition at line 5946 of file triangle.c.

◆ parsecommandline()

void parsecommandline	(	int	argc,
		char **	argv,
		struct behavior *	b
	)

Definition at line 3258 of file triangle.c.

◆ plague()

void plague	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 12641 of file triangle.c.

◆ poolalloc()

void * poolalloc ( struct memorypool * pool )

Definition at line 3980 of file triangle.c.

◆ pooldealloc()

void pooldealloc	(	struct memorypool *	pool,
		void *	dyingitem
	)

Definition at line 4043 of file triangle.c.

◆ pooldeinit()

void pooldeinit ( struct memorypool * pool )

Definition at line 3959 of file triangle.c.

◆ poolinit()

void poolinit	(	struct memorypool *	pool,
		int	bytecount,
		int	itemcount,
		int	firstitemcount,
		int	alignment
	)

Definition at line 3911 of file triangle.c.

◆ poolrestart()

void poolrestart ( struct memorypool * pool )

Definition at line 3865 of file triangle.c.

◆ poolzero()

void poolzero ( struct memorypool * pool )

Definition at line 3831 of file triangle.c.

◆ preciselocate()

enum locateresult preciselocate	(	struct mesh *	m,
		struct behavior *	b,
		vertex	searchpoint,
		struct otri *	searchtri,
		int	stopatsubsegment
	)

Definition at line 7471 of file triangle.c.

◆ printsubseg()

void printsubseg	(	struct mesh *	m,
		struct behavior *	b,
		struct osub *	s
	)

Definition at line 3735 of file triangle.c.

◆ printtriangle()

void printtriangle	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	t
	)

Definition at line 3641 of file triangle.c.

◆ quality_statistics()

void quality_statistics	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 15338 of file triangle.c.

◆ randomnation()

uintptr_t randomnation ( unsigned int choices )

Definition at line 6648 of file triangle.c.

◆ regionplague()

void regionplague	(	struct mesh *	m,
		struct behavior *	b,
		double	attribute,
		double	area
	)

Definition at line 12851 of file triangle.c.

◆ removeghosts()

long removeghosts	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	startghost
	)

Definition at line 9891 of file triangle.c.

◆ scale_expansion_zeroelim()

int scale_expansion_zeroelim	(	int	elen,
		double *	e,
		double	b,
		double *	h
	)

Definition at line 5032 of file triangle.c.

◆ scoutsegment()

int scoutsegment	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	searchtri,
		vertex	endpoint2,
		int	newmark
	)

Definition at line 11798 of file triangle.c.

◆ segmentintersection()

void segmentintersection	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	splittri,
		struct osub *	splitsubseg,
		vertex	endpoint2
	)

Definition at line 11670 of file triangle.c.

◆ statistics()

void statistics	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 15546 of file triangle.c.

◆ subsegdealloc()

void subsegdealloc	(	struct mesh *	m,
		subseg *	dyingsubseg
	)

Definition at line 4403 of file triangle.c.

◆ subsegtraverse()

subseg * subsegtraverse ( struct mesh * m )

Definition at line 4424 of file triangle.c.

◆ transfernodes()

void transfernodes	(	struct mesh *	m,
		struct behavior *	b,
		double *	pointlist,
		double *	pointattriblist,
		int *	pointmarkerlist,
		int	numberofpoints,
		int	numberofpointattribs
	)

Definition at line 14068 of file triangle.c.

◆ traversalinit()

void traversalinit ( struct memorypool * pool )

Definition at line 4066 of file triangle.c.

◆ traverse()

void * traverse ( struct memorypool * pool )

Definition at line 4102 of file triangle.c.

◆ triangledealloc()

void triangledealloc	(	struct mesh *	m,
		triangle *	dyingtriangle
	)

Definition at line 4357 of file triangle.c.

◆ triangledeinit()

void triangledeinit	(	struct mesh *	m,
		struct behavior *	b
	)

Definition at line 4597 of file triangle.c.

◆ triangleinit()

void triangleinit ( struct mesh * m )

Definition at line 6609 of file triangle.c.

◆ triangletraverse()

triangle * triangletraverse ( struct mesh * m )

Definition at line 4378 of file triangle.c.

◆ triangulate()

void triangulate	(	char *	triswitches,
		struct triangulateio *	in,
		struct triangulateio *	out,
		struct triangulateio *	vorout
	)

Definition at line 15666 of file triangle.c.

◆ triangulatepolygon()

void triangulatepolygon	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	firstedge,
		struct otri *	lastedge,
		int	edgecount,
		int	doflip,
		int	triflaws
	)

Definition at line 8835 of file triangle.c.

◆ triexit()

void triexit ( int status )

Definition at line 1386 of file triangle.c.

◆ trifree()

void trifree ( void * memptr )

Definition at line 1415 of file triangle.c.

◆ trimalloc()

void * trimalloc ( int size )

Definition at line 1397 of file triangle.c.

◆ triunsuitable()

int triunsuitable	(	vertex	triorg,
		vertex	tridest,
		vertex	triapex,
		double	area
	)

Definition at line 1337 of file triangle.c.

◆ unflip()

void unflip	(	struct mesh *	m,
		struct behavior *	b,
		struct otri *	flipedge
	)

Definition at line 8025 of file triangle.c.

◆ vertexdealloc()

void vertexdealloc	(	struct mesh *	m,
		vertex	dyingvertex
	)

Definition at line 4449 of file triangle.c.

◆ vertexmedian()

void vertexmedian	(	vertex *	sortarray,
		int	arraysize,
		int	median,
		int	axis
	)

Definition at line 9258 of file triangle.c.

◆ vertexsort()

void vertexsort	(	vertex *	sortarray,
		int	arraysize
	)

Definition at line 9184 of file triangle.c.

◆ vertextraverse()

vertex vertextraverse ( struct mesh * m )

Definition at line 4470 of file triangle.c.

◆ writeedges()

void writeedges	(	struct mesh *	m,
		struct behavior *	b,
		int **	edgelist,
		int **	edgemarkerlist
	)

Definition at line 14771 of file triangle.c.

◆ writeelements()

void writeelements	(	struct mesh *	m,
		struct behavior *	b,
		int **	trianglelist,
		double **	triangleattriblist
	)

Definition at line 14478 of file triangle.c.

◆ writeneighbors()

void writeneighbors	(	struct mesh *	m,
		struct behavior *	b,
		int **	neighborlist
	)

Definition at line 15145 of file triangle.c.

◆ writenodes()

void writenodes	(	struct mesh *	m,
		struct behavior *	b,
		double **	pointlist,
		double **	pointattriblist,
		int **	pointmarkerlist
	)

Definition at line 14306 of file triangle.c.

◆ writepoly()

void writepoly	(	struct mesh *	m,
		struct behavior *	b,
		int **	segmentlist,
		int **	segmentmarkerlist
	)

Definition at line 14625 of file triangle.c.

◆ writevoronoi()

void writevoronoi	(	struct mesh *	m,
		struct behavior *	b,
		double **	vpointlist,
		double **	vpointattriblist,
		int **	vpointmarkerlist,
		int **	vedgelist,
		int **	vedgemarkerlist,
		double **	vnormlist
	)

Definition at line 14925 of file triangle.c.

Variable Documentation

◆ ccwerrboundA

double ccwerrboundA

Definition at line 620 of file triangle.c.

◆ ccwerrboundB

double ccwerrboundB

Definition at line 620 of file triangle.c.

◆ ccwerrboundC

double ccwerrboundC

Definition at line 620 of file triangle.c.

◆ epsilon

double epsilon

Definition at line 618 of file triangle.c.

◆ iccerrboundA

double iccerrboundA

Definition at line 621 of file triangle.c.

◆ iccerrboundB

double iccerrboundB

Definition at line 621 of file triangle.c.

◆ iccerrboundC

double iccerrboundC

Definition at line 621 of file triangle.c.

◆ minus1mod3

int minus1mod3[3] = {2, 0, 1}

Definition at line 904 of file triangle.c.

◆ o3derrboundA

double o3derrboundA

Definition at line 622 of file triangle.c.

◆ o3derrboundB

double o3derrboundB

Definition at line 622 of file triangle.c.

◆ o3derrboundC

double o3derrboundC

Definition at line 622 of file triangle.c.

◆ plus1mod3

int plus1mod3[3] = {1, 2, 0}

Definition at line 903 of file triangle.c.

◆ randomseed

uintptr_t randomseed

Definition at line 626 of file triangle.c.

◆ resulterrbound

double resulterrbound

Definition at line 619 of file triangle.c.

◆ splitter

double splitter

Definition at line 617 of file triangle.c.

Classes

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ Absolute

◆ apex

◆ areabound

◆ BADSUBSEGPERBLOCK

◆ BADTRIPERBLOCK

◆ bond

◆ CDT_ONLY

◆ deadsubseg

◆ deadtri

◆ DEADVERTEX

◆ decode

◆ dest

◆ dissolve

◆ dnext

◆ dnextself

◆ dprev

◆ dprevself

◆ elemattribute

◆ encode

◆ Fast_Two_Sum

◆ Fast_Two_Sum_Tail

◆ FILENAMESIZE

◆ FLIPSTACKERPERBLOCK

◆ FREEVERTEX

◆ INEXACT

◆ infect

◆ infected

◆ INPUTLINESIZE

◆ INPUTVERTEX

◆ killsubseg

◆ killtri

◆ lnext

◆ lnextself

◆ lprev

◆ lprevself

◆ mark

◆ NO_TIMER

◆ ONETHIRD

◆ onext

◆ onextself

◆ oprev

◆ oprevself

◆ org

◆ otricopy

◆ otriequal

◆ PI

◆ REDUCED

◆ rnext

◆ rnextself

◆ rprev

◆ rprevself

◆ SAMPLEFACTOR

◆ SAMPLERATE

◆ sbond

◆ sdecode

◆ sdest

◆ sdissolve

◆ segdest

◆ SEGMENTVERTEX

◆ segorg

◆ sencode

◆ setapex

◆ setareabound

◆ setdest

◆ setelemattribute

◆ setmark

◆ setorg

◆ setsdest

◆ setsegdest

◆ setsegorg

◆ setsorg

◆ setvertex2tri

◆ setvertexmark