// Simple Vector routines...

#include "Vector.h"

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

Vector AddVectors( Vector A, Vector B )
{
 Vector R;

 R.X = A.X + B.X; 
 R.Y = A.Y + B.Y; 
 R.Z = A.Z + B.Z;

 return( R );
}

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

Vector SubVectors( Vector A, Vector B )
{
 Vector R;

 R.X = A.X - B.X;
 R.Y = A.Y - B.Y;
 R.Z = A.Z - B.Z;

 return( R );
}

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

Vector ScalarVector( double S, Vector A )
{
 Vector R;

 R.X = S * A.X;
 R.Y = S * A.Y;
 R.Z = S * A.Z;

 return( R );
}

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

double DotVectors( Vector A, Vector B )
{
 return( A.X * B.X + A.Y * B.Y + A.Z * B.Z );
}

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

double AbsVector( Vector A )
{
 return( sqrt( DotVectors( A, A ) ) );
}

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