// Simple Vector routines...

#if !defined(__VECTOR_INCLUDED__)
#define __VECTOR_INCLUDED__

#include <math.h>

// ------------------------------------------------------------

typedef struct { double X, Y, Z; } Vector;

// ------------------------------------------------------------

Vector AddVectors( Vector A, Vector B );
Vector SubVectors( Vector A, Vector B );
Vector ScalarVector( double S, Vector A );
double DotVectors( Vector A, Vector B );
double AbsVector( Vector A );

// ------------------------------------------------------------

#endif