geom.h File Reference

#include "mesh.h"

Include dependency graph for geom.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	ABS(x)   ((x) < 0 ? -(x) : (x))
#define	EdgeEval(u, v, w)   __gl_edgeEval(u,v,w)
#define	EdgeGoesLeft(e)   VertLeq( (e)->Dst, (e)->Org )
#define	EdgeGoesRight(e)   VertLeq( (e)->Org, (e)->Dst )
#define	EdgeSign(u, v, w)   __gl_edgeSign(u,v,w)
#define	TransEval(u, v, w)   __gl_transEval(u,v,w)
#define	TransLeq(u, v)
#define	TransSign(u, v, w)   __gl_transSign(u,v,w)
#define	VertCCW(u, v, w)   __gl_vertCCW(u,v,w)
#define	VertEq(u, v)   ((u)->s == (v)->s && (u)->t == (v)->t)
#define	VertL1dist(u, v)   (ABS(u->s - v->s) + ABS(u->t - v->t))
#define	VertLeq(u, v)

Functions
GLdouble	__gl_edgeEval (GLUvertex *u, GLUvertex *v, GLUvertex *w)
void	__gl_edgeIntersect (GLUvertex *o1, GLUvertex *d1, GLUvertex *o2, GLUvertex *d2, GLUvertex *v)
GLdouble	__gl_edgeSign (GLUvertex *u, GLUvertex *v, GLUvertex *w)
GLdouble	__gl_transEval (GLUvertex *u, GLUvertex *v, GLUvertex *w)
GLdouble	__gl_transSign (GLUvertex *u, GLUvertex *v, GLUvertex *w)
int	__gl_vertCCW (GLUvertex *u, GLUvertex *v, GLUvertex *w)
int	__gl_vertLeq (GLUvertex *u, GLUvertex *v)

Macro Definition Documentation

ABS

#define ABS

(

x

)

((x) < 0 ? -(x) : (x))

Definition at line 69 of file geom.h.

EdgeEval

#define EdgeEval	(		u,
			v,
			w
	)		__gl_edgeEval(u,v,w)

Definition at line 54 of file geom.h.

EdgeGoesLeft

#define EdgeGoesLeft

(

e

)

VertLeq( (e)->Dst, (e)->Org )

Definition at line 65 of file geom.h.

EdgeGoesRight

#define EdgeGoesRight

(

e

)

VertLeq( (e)->Org, (e)->Dst )

Definition at line 66 of file geom.h.

EdgeSign

#define EdgeSign	(		u,
			v,
			w
	)		__gl_edgeSign(u,v,w)

Definition at line 55 of file geom.h.

TransEval

#define TransEval	(		u,
			v,
			w
	)		__gl_transEval(u,v,w)

Definition at line 61 of file geom.h.

TransLeq

#define TransLeq	(		u,
			v
	)

Value:

                         (((u)->t < (v)->t) || \
                         ((u)->t == (v)->t && (u)->s <= (v)->s))

Definition at line 59 of file geom.h.

TransSign

#define TransSign	(		u,
			v,
			w
	)		__gl_transSign(u,v,w)

Definition at line 62 of file geom.h.

VertCCW

#define VertCCW	(		u,
			v,
			w
	)		__gl_vertCCW(u,v,w)

Definition at line 72 of file geom.h.

VertEq

#define VertEq	(		u,
			v
	)		((u)->s == (v)->s && (u)->t == (v)->t)

Definition at line 49 of file geom.h.

VertL1dist

#define VertL1dist	(		u,
			v
	)		(ABS(u->s - v->s) + ABS(u->t - v->t))

Definition at line 70 of file geom.h.

VertLeq

#define VertLeq	(		u,
			v
	)

Value:

                         (((u)->s < (v)->s) || \
                         ((u)->s == (v)->s && (u)->t <= (v)->t))

Definition at line 50 of file geom.h.

Function Documentation

__gl_edgeEval()

GLdouble __gl_edgeEval	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

Definition at line 47 of file geom.c.

__gl_edgeIntersect()

void __gl_edgeIntersect	(	GLUvertex *	o1,
		GLUvertex *	d1,
		GLUvertex *	o2,
		GLUvertex *	d2,
		GLUvertex *	v
	)

Definition at line 203 of file geom.c.

__gl_edgeSign()

GLdouble __gl_edgeSign	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

Definition at line 77 of file geom.c.

__gl_transEval()

GLdouble __gl_transEval	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

Definition at line 102 of file geom.c.

__gl_transSign()

GLdouble __gl_transSign	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

Definition at line 132 of file geom.c.

__gl_vertCCW()

int __gl_vertCCW	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

Definition at line 153 of file geom.c.

__gl_vertLeq()

int __gl_vertLeq	(	GLUvertex *	u,
		GLUvertex *	v
	)

Definition at line 40 of file geom.c.