geom4d.c File Reference

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

Include dependency graph for geom4d.c:

Defines
#define	tol   1.0e-15
#define	tol   1.0e-15
Functions
void	SetPoint4d (point4d *p, double x, double y, double z, double w)
void	Point4to3d (const point4d *P, point3d *p)
void	Point3to4d (const point3d *p, double w, point4d *P)
void	Point4to2d (const point4d *P, point2d *p)
void	Point2to4d (const point2d *p, float w, point4d *P)
void	Trans3Point4d (const trans3d *tr, const point4d *p, point4d *q)
void	MultVector4d (double a, const vector4d *v, vector4d *w)
void	SubtractPoints4d (const point4d *p1, const point4d *p2, vector4d *v)
void	AddVector4d (const point4d *p, const vector4d *v, point4d *q)
void	AddVector4Md (const point4d *p, const vector4d *v, double t, point4d *q)
void	InterPoint4d (const point4d *p1, const point4d *p2, double t, point4d *q)
void	MidPoint4d (const point4d *p1, const point4d *p2, point4d *q)
void	Interp3Vectors4d (const vector4d *p0, const vector4d *p1, const vector4d *p2, const double *coeff, vector4d *p)
void	NormalizeVector4d (vector4d *v)
double	det4d (const vector4d *v0, const vector4d *v1, const vector4d *v2, const vector4d *v3)
void	CrossProduct4d (const vector4d *v0, const vector4d *v1, const vector4d *v2, vector4d *v)
void	CrossProduct4P3d (const vector4d *v0, const vector4d *v1, const vector4d *v2, vector3d *v)
double	DotProduct4d (const vector4d *v0, const vector4d *v1)
void	OutProduct4P3d (const vector4d *v0, const vector4d *v1, vector3d *v)
void	OrtVector4d (const vector4d *v1, const vector4d *v2, vector4d *v)
void	ProjectPointOnLine4d (const point4d *p0, const point4d *p1, point4d *q)
void	ProjectPointOnPlane4d (const point4d *p0, const point4d *p1, const point4d *p2, point4d *q)

---

Define Documentation

#define tol   1.0e-15

#define tol   1.0e-15

---

Function Documentation

void AddVector4d	(	const point4d *	p,
		const vector4d *	v,
		point4d *	q
	)

void AddVector4Md	(	const point4d *	p,
		const vector4d *	v,
		double	t,
		point4d *	q
	)

void CrossProduct4d	(	const vector4d *	v0,
		const vector4d *	v1,
		const vector4d *	v2,
		vector4d *	v
	)

void CrossProduct4P3d	(	const vector4d *	v0,
		const vector4d *	v1,
		const vector4d *	v2,
		vector3d *	v
	)

double det4d	(	const vector4d *	v0,
		const vector4d *	v1,
		const vector4d *	v2,
		const vector4d *	v3
	)

double DotProduct4d	(	const vector4d *	v0,
		const vector4d *	v1
	)

void Interp3Vectors4d	(	const vector4d *	p0,
		const vector4d *	p1,
		const vector4d *	p2,
		const double *	coeff,
		vector4d *	p
	)

void InterPoint4d	(	const point4d *	p1,
		const point4d *	p2,
		double	t,
		point4d *	q
	)

void MidPoint4d	(	const point4d *	p1,
		const point4d *	p2,
		point4d *	q
	)

void MultVector4d	(	double	a,
		const vector4d *	v,
		vector4d *	w
	)

void NormalizeVector4d

(

vector4d *

v

)

void OrtVector4d	(	const vector4d *	v1,
		const vector4d *	v2,
		vector4d *	v
	)

void OutProduct4P3d	(	const vector4d *	v0,
		const vector4d *	v1,
		vector3d *	v
	)

void Point2to4d	(	const point2d *	p,
		float	w,
		point4d *	P
	)

void Point3to4d	(	const point3d *	p,
		double	w,
		point4d *	P
	)

void Point4to2d	(	const point4d *	P,
		point2d *	p
	)

void Point4to3d	(	const point4d *	P,
		point3d *	p
	)

void ProjectPointOnLine4d	(	const point4d *	p0,
		const point4d *	p1,
		point4d *	q
	)

void ProjectPointOnPlane4d	(	const point4d *	p0,
		const point4d *	p1,
		const point4d *	p2,
		point4d *	q
	)

void SetPoint4d	(	point4d *	p,
		double	x,
		double	y,
		double	z,
		double	w
	)

void SubtractPoints4d	(	const point4d *	p1,
		const point4d *	p2,
		vector4d *	v
	)

void Trans3Point4d	(	const trans3d *	tr,
		const point4d *	p,
		point4d *	q
	)