geom2f.c File Reference

#include <math.h>
#include <string.h>
#include "pkgeom.h"

Include dependency graph for geom2f.c:

Defines
#define	tol   1.0e-15
Functions
void	SetPoint2f (point2f *p, float x, float y)
void	TransPoint2f (const trans2f *tr, const point2f *p, point2f *q)
void	TransVector2f (const trans2f *tr, const vector2f *v, vector2f *w)
void	Trans2Point3f (const trans2f *tr, const point3f *p, point3f *q)
void	IdentTrans2f (trans2f *tr)
void	CompTrans2f (trans2f *s, trans2f *t, trans2f *u)
void	ShiftTrans2f (trans2f *tr, float tx, float ty)
void	RotTrans2f (trans2f *tr, float angle)
void	ScaleTrans2f (trans2f *t, float sx, float sy)
void	Trans2Shiftf (trans2f *tr, float tx, float ty)
void	Trans2Rotf (trans2f *tr, float angle)
void	Trans2Scalef (trans2f *tr, float sx, float sy)
boolean	InvertTrans2f (trans2f *tr)
void	MultVector2f (double a, const vector2f *v, vector2f *w)
void	SubtractPoints2f (const point2f *p1, const point2f *p2, vector2f *v)
void	AddVector2f (const point2f *p, const vector2f *v, point2f *q)
void	AddVector2Mf (const point2f *p, const vector2f *v, double t, point2f *q)
void	InterPoint2f (const point2f *p1, const point2f *p2, double t, point2f *q)
void	MidPoint2f (const point2f *p1, const point2f *p2, point2f *q)
void	Interp3Vectors2f (const vector2f *p0, const vector2f *p1, const vector2f *p2, const float *coeff, vector2f *p)
void	NormalizeVector2f (vector2f *v)
double	DotProduct2f (const vector2f *v1, const vector2f *v2)
double	det2f (const vector2f *v1, const vector2f *v2)
void	OrtVector2f (const vector2f *v1, const vector2f *v2, vector2f *v)
void	ProjectPointOnLine2f (const point2f *p0, const point2f *p1, point2f *q)
double	Point2Distancef (point2f *p, point2f *q)

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Define Documentation

#define tol   1.0e-15

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Function Documentation

void AddVector2f	(	const point2f *	p,
		const vector2f *	v,
		point2f *	q
	)

void AddVector2Mf	(	const point2f *	p,
		const vector2f *	v,
		double	t,
		point2f *	q
	)

void CompTrans2f	(	trans2f *	s,
		trans2f *	t,
		trans2f *	u
	)

double det2f	(	const vector2f *	v1,
		const vector2f *	v2
	)

double DotProduct2f	(	const vector2f *	v1,
		const vector2f *	v2
	)

void IdentTrans2f

(

trans2f *

tr

)

void Interp3Vectors2f	(	const vector2f *	p0,
		const vector2f *	p1,
		const vector2f *	p2,
		const float *	coeff,
		vector2f *	p
	)

void InterPoint2f	(	const point2f *	p1,
		const point2f *	p2,
		double	t,
		point2f *	q
	)

boolean InvertTrans2f

(

trans2f *

tr

)

void MidPoint2f	(	const point2f *	p1,
		const point2f *	p2,
		point2f *	q
	)

void MultVector2f	(	double	a,
		const vector2f *	v,
		vector2f *	w
	)

void NormalizeVector2f

(

vector2f *

v

)

void OrtVector2f	(	const vector2f *	v1,
		const vector2f *	v2,
		vector2f *	v
	)

double Point2Distancef	(	point2f *	p,
		point2f *	q
	)

void ProjectPointOnLine2f	(	const point2f *	p0,
		const point2f *	p1,
		point2f *	q
	)

void RotTrans2f	(	trans2f *	tr,
		float	angle
	)

void ScaleTrans2f	(	trans2f *	t,
		float	sx,
		float	sy
	)

void SetPoint2f	(	point2f *	p,
		float	x,
		float	y
	)

void ShiftTrans2f	(	trans2f *	tr,
		float	tx,
		float	ty
	)

void SubtractPoints2f	(	const point2f *	p1,
		const point2f *	p2,
		vector2f *	v
	)

void Trans2Point3f	(	const trans2f *	tr,
		const point3f *	p,
		point3f *	q
	)

void Trans2Rotf	(	trans2f *	tr,
		float	angle
	)

void Trans2Scalef	(	trans2f *	tr,
		float	sx,
		float	sy
	)

void Trans2Shiftf	(	trans2f *	tr,
		float	tx,
		float	ty
	)

void TransPoint2f	(	const trans2f *	tr,
		const point2f *	p,
		point2f *	q
	)

void TransVector2f	(	const trans2f *	tr,
		const vector2f *	v,
		vector2f *	w
	)