#include "vector3.h"

void Vector3::setDiff(const Point3& p, const Point3& q)
	{x = p.x - q.x; y = p.y - q.y; z = p.z - q.z;}
	
Point3 Vector3::addP(const Point3& p) const
	{return Point3(x + p.x, y + p.y, z + p.z);}

ostream& operator<<(ostream& out, const Vector3& v)
{
	v.Output(out);
	return out;
}

Vector3 operator+(const Vector3& u, const Vector3& v)
{
	return u.addV(v);
}

Vector3 operator-(const Vector3& u, const Vector3& v)
{
	return u.subtractV(v);
}

Vector3 operator*(const double s, const Vector3& v)
{
	return v.multiplyS(s);
}

Point3 operator+(const Vector3& v, const Point3& p)
{
	return v.addP(p);
}