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/*
* CNvector.h - definition for vectors
*
* This file requires the inclusion of "CNdata.h"
*/
#ifndef CNvector_defined
#define CNvector_defined
#define CN_ALL_FIELDS -1 /* To denote vectors */
#define CN_MAG_FIELDS -2 /* Vector magnitude */
/*
* A vector consists of magnitude and direction (vx,vy,vz)
* and a point (x,y,z). For simplicity, each vector is self-contained,
* i.e. contains both magnitude and point, unlike nodes which point to
* points.
*/
/* A vector in a linked list */
typedef struct CNvector_strct {
short ID;
short flag;
short noplot;
double x;
double y;
double z;
double vx;
double vy;
double vz;
struct CNnode_strct *nd;
struct CNvector_strct *next;
struct CNvector_strct *prev;
} CNvector;
typedef struct CNvector_strct *CNvecptr;
/*
* The vector_bag contains the vectors and various bits of info
* related to the vectors
*/
/* A vector-box */
typedef struct CNvecbox_strct {
short ID;
short linetype;
short linecolor;
short linewidth;
short marktype;
short markcolor;
double vlen_max;
double vlen_min;
double xmin, xmax;
double ymin, ymax;
double zmin, zmax;
struct CNvector_strct *vectorhead;
struct CNvector_strct *vectortail;
} CNvecbox;
typedef struct CNvecbox_strct *CNvecboxptr;
/*
* Extern declarations
*/
extern double CNdefault_vector_scale();
extern double CNmax_vector();
extern double CNmin_vector();
extern double CNveclog10();
extern CNvecboxptr CNmake_vectorbox();
extern void CNdelete_vectorbox();
extern void CNprint_vectorbox();
extern CNvecptr CNmake_vector();
extern CNvecptr CNinsert_vector();
extern void CNdelete_vector();
extern void CNdelete_vector_list();
extern void CNprint_vector_list();
extern int CNcount_vectors();
#endif /* CNvector_defined */
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