/* This file is automatically generated. DO NOT EDIT! */

#ifndef _sf_vector_h
#define _sf_vector_h


#include "_defs.h"


#include "file.h"


#include "point.h"


typedef struct{
    double dx,dz;
}vc2d;


typedef struct{
    double dx,dy,dz;
}vc3d;


/*------------------------------------------------------------*/
vc3d vec3d(pt3d* O, pt3d* A);
/*< build 3D vector >*/


/*------------------------------------------------------------*/
vc3d axa3d( int n);
/*< build 3D unit vector >*/


/*------------------------------------------------------------*/
double scp3d(vc3d* U, vc3d* V);
/*< scalar product of 3D vectors >*/


/*------------------------------------------------------------*/
vc3d vcp3d(vc3d* U, vc3d* V);
/*< vector product of 3D vectors >*/


/*------------------------------------------------------------*/
double len3d(vc3d* V);
/*< 3D vector length >*/


/*------------------------------------------------------------*/
vc3d nor3d(vc3d* V);
/*< normalize 3D vector >*/


/*------------------------------------------------------------*/
double ang3d(vc3d* U, vc3d* V);
/*< angle between 3D vectors >*/


/*------------------------------------------------------------*/
vc3d scl3d(vc3d* V, float s);
/*< scale a 3D vector >*/


#endif