/****************************************************************************
*																			*
*	Program:	point3v.cpp													*
*																			*
*	Author:		Robb T. Koether												*
*																			*
*	Date:		Sep 30, 2005												*
*																			*
*	Purpose:	This file contains the implementations of the Point3v 		*
*				member functions											*
*																			*
/***************************************************************************/

//	Include header files

#include "point3v.h"

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

Point3v Point3v::addV(const Vector3v& v) const
{
	Point3v p;
	for (int i = 0; i < 4; i++)
		p.coord[i] = coord[i] + v.coord[i];
	return p;
}
	
/****************************************************************************
*																			*
*	Function:	addV														*
*																			*
/***************************************************************************/

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

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

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

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

bool Point3v::equal(const Point3v& p) const
{
	bool eq = true;
	for (int i = 0; i < 4; i++)
		if (coord[i] != p.coord[i])
			return false;
	return true;
}

/****************************************************************************
*																			*
*	Function:	aoperator<<													*
*																			*
/***************************************************************************/

ostream& operator<<(ostream& out, const Point3v& p)
{
	p.Output(out);
	return out;
}

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

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

/****************************************************************************
*																			*
*	Function:	operator-(Point3v, Point3v)									*
*																			*
/***************************************************************************/

Vector3v operator-(const Point3v& p, const Point3v& q)
{
	return p.subtractP(q);
}

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

Point3v operator-(const Point3v& p, const Vector3v& v)
{
	return p.subtractV(v);
}

/****************************************************************************
*																			*
*	Function:	operator==(Point3v, Point3v)								*
*																			*
/***************************************************************************/

bool operator==(const Point3v& p, const Point3v& q)
{
	return p.equal(q);
}