geom.c File Reference

#include "config.h"
#include "geom.h"
#include "geomprocs.h"

Include dependency graph for geom.c:

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Macros
#define	SMALL   0.0000000001
#define	dot(v, w)   (v.x*w.x+v.y*w.y)

Functions
box	mkbox (point p, point q)
boxf	mkboxf (pointf p, pointf q)
int	lineToBox (pointf p, pointf q, boxf b)
void	rect2poly (pointf *p)
point	cwrotatep (point p, int cwrot)
pointf	cwrotatepf (pointf p, int cwrot)
point	ccwrotatep (point p, int ccwrot)
pointf	ccwrotatepf (pointf p, int ccwrot)
box	flip_rec_box (box b, point p)
boxf	flip_rec_boxf (boxf b, pointf p)
double	ptToLine2 (pointf a, pointf b, pointf p)
int	line_intersect (pointf a, pointf b, pointf c, pointf d, pointf *p)

Macro Definition Documentation

#define dot	(		v,
			w
	)		(v.x*w.x+v.y*w.y)

Definition at line 400 of file geom.c.

Referenced by line_intersect(), lu_solve(), norm(), and power_iteration().

#define SMALL   0.0000000001

Definition at line 385 of file geom.c.

Referenced by line_intersect(), and ptToLine2().

Function Documentation

point ccwrotatep	(	point	p,
		int	ccwrot
	)

Definition at line 292 of file geom.c.

References ccwrotatep(), cwrotatep(), point::x, and point::y.

Referenced by ccwrotatep(), and cwrotatep().

pointf ccwrotatepf	(	pointf	p,
		int	ccwrot
	)

Definition at line 320 of file geom.c.

References ccwrotatepf(), cwrotatepf(), pointf_s::x, and pointf_s::y.

Referenced by ccwrotatepf(), and cwrotatepf().

point cwrotatep	(	point	p,
		int	cwrot
	)

Definition at line 236 of file geom.c.

References ccwrotatep(), cwrotatep(), point::x, and point::y.

Referenced by ccwrotatep(), and cwrotatep().

pointf cwrotatepf	(	pointf	p,
		int	cwrot
	)

Definition at line 264 of file geom.c.

References ccwrotatepf(), cwrotatepf(), pointf_s::x, and pointf_s::y.

Referenced by ccwrotatepf(), and cwrotatepf().

box flip_rec_box ( box  b, point  p  )

inline

Definition at line 348 of file geom.c.

References box::LL, box::UR, point::x, and point::y.

boxf flip_rec_boxf	(	boxf	b,
		pointf	p
	)

Definition at line 364 of file geom.c.

References boxf::LL, boxf::UR, pointf_s::x, and pointf_s::y.

int line_intersect	(	pointf	a,
		pointf	b,
		pointf	c,
		pointf	d,
		pointf *	p
	)

Definition at line 407 of file geom.c.

References dot, and SMALL.

int lineToBox	(	pointf	p,
		pointf	q,
		boxf	b
	)

Definition at line 89 of file geom.c.

References boxf::LL, boxf::UR, pointf_s::x, and pointf_s::y.

box mkbox	(	point	p,
		point	q
	)

Definition at line 25 of file geom.c.

References box::LL, box::UR, point::x, and point::y.

boxf mkboxf	(	pointf	p,
		pointf	q
	)

Definition at line 46 of file geom.c.

References boxf::LL, boxf::UR, pointf_s::x, and pointf_s::y.

double ptToLine2	(	pointf	a,
		pointf	b,
		pointf	p
	)

Definition at line 390 of file geom.c.

References SMALL, pointf_s::x, and pointf_s::y.

void rect2poly

(

pointf *

p

)

Definition at line 201 of file geom.c.

References pointf_s::x, and pointf_s::y.

Referenced by emit_map_rect().