/****************************************************************************
*																			*
*	File:		vector3v.cpp													*
*																			*
*	Author:		Robb T. Koether												*
*																			*
*	Date:		Sep 30, 2005												*
*																			*
*	Purpose:	This file contains the implementations of the Vector3v 		*
*				member functions											*
*																			*
/***************************************************************************/

//	Include header files

#include "vector3v.h"

/****************************************************************************
*																			*
*	Function:	addV														*
*																			*
/***************************************************************************/

Vector3v Vector3v::addV(const Vector3v& v) const
{
	Vector3v u;
	for (int i = 0; i < 4; i++)
		u.coord[i] = coord[i] + v.coord[i];
	return u;
}

/****************************************************************************
*																			*
*	Function:	subtractV													*
*																			*
/***************************************************************************/

Vector3v Vector3v::subtractV(const Vector3v& v) const
{
	Vector3v u;
	for (int i = 0; i < 4; i++)
		u.coord[i] = coord[i] - v.coord[i];
	return u;
}

/****************************************************************************
*																			*
*	Function:	multiplyS													*
*																			*
/***************************************************************************/

Vector3v Vector3v::multiplyS(const double& s) const
{
	Vector3v v;
	for (int i = 0; i < 4; i++)
		v.coord[i] = s*coord[i];
	return v;
}

/****************************************************************************
*																			*
*	Function:	setDiff														*
*																			*
/***************************************************************************/

void Vector3v::setDiff(const Point3v& p, const Point3v& q)
	{coord[0] = p.x() - q.x(); coord[1] = p.y() - q.y(); coord[2] = p.z() - q.z();}
	
/****************************************************************************
*																			*
*	Function:	addP														*
*																			*
/***************************************************************************/

Point3v Vector3v::addP(const Point3v& p) const
{
	Point3v q;
	for (int i = 0; i < 4; i++)
		q.coord[i] = coord[i] + p.coord[i];
	return q;
}

/****************************************************************************
*																			*
*	Function:	operator<<													*
*																			*
/***************************************************************************/

ostream& operator<<(ostream& out, const Vector3v& v)
{
	v.Output(out);
	return out;
}

/****************************************************************************
*																			*
*	Function:	operator+(Vector3v, Vector3v)								*
*																			*
/***************************************************************************/

Vector3v operator+(const Vector3v& u, const Vector3v& v)
{
	return u.addV(v);
}

/****************************************************************************
*																			*
*	Function:	operator-(Vector3v, Vector3v)								*
*																			*
/***************************************************************************/

Vector3v operator-(const Vector3v& u, const Vector3v& v)
{
	return u.subtractV(v);
}

/****************************************************************************
*																			*
*	Function:	operator*													*
*																			*
/***************************************************************************/

Vector3v operator*(const double s, const Vector3v& v)
{
	return v.multiplyS(s);
}

/****************************************************************************
*																			*
*	Function:	operator+(Vector3v, Point3v)								*
*																			*
/***************************************************************************/

Point3v operator+(const Vector3v& v, const Point3v& p)
{
	return v.addP(p);
}