// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2000,2001 Alistair Riddoch
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

// $Id: Vector3D.cpp,v 1.22 2006-10-26 00:48:07 alriddoch Exp $

// Remember kids, it takes 7 times longer to call mag() than to call relMag(),
// so if you are comparing vector magnitudes, always use relMag().

#include "Vector3D.h"

static inline float sqr(float x)
{
    return x * x;
}

float squareDistance(const Point3D & u, const Point3D & v)
{
    return (sqr(u.x() - v.x()) + sqr(u.y() - v.y()) + sqr(u.z() - v.z()));
}