// Copyright (C) 1996 DIMACS Center, Rutgers, The State University of New Jersey
// Author(s): Jonathan Berry

// This software is copyrighted by the DIMACS Center at Rutgers, The State
// University of New Jersey.  IT IS PROVIDED AS IS, AND THE AUTHORS, DIMACS, AND
// RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY  DISCLAIM
// ALL LIABILITY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
// DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

// THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.  THIS SOFTWARE
// IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
// NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
// MODIFICATIONS.

// The authors hereby grant permission to use, copy, modify, distribute,
// and license this software and its documentation for any purpose, provided
// that existing copyright notices are retained in all copies and that this
// notice is included verbatim in any distributions. No written agreement,
// license, or royalty fee is required for any of the authorized uses.
// Modifications to this software may be copyrighted by their authors
// and need not follow the licensing terms described here, provided that
// the new terms are clearly indicated on the first page of each file where
// they apply.

// Last File Update: 31-Jul-1996
// 

#include <LINK/basic/Location.h>

const float SMALLFLOAT = 1e-03;


Location
Location::max(const Location& l) const
{
    Location max = l;
    if (x > max.x) max.x = x;
    if (y > max.y) max.y = y;
    return max;
}


Location
Location::min(const Location& l) const
{
    Location min = l;
    if (x < min.x) min.x = x;
    if (y < min.y) min.y = y;
    return min;
}


Bool
Location::withinEpsilon(const Location& l, float eps) const
{
    if (x > (l.x - eps) && x < (l.x + eps) &&
	y > (l.y - eps) && y < (l.y + eps))
	return TRUE;
    else
	return FALSE;
}


Location
operator*(const Location& l, float f)
{
    return Location(f*l.x, f*l.y);
}


Location
operator*(float f, const Location& l)
{
    return Location(f*l.x, f*l.y);
}


ostream&
operator<<(ostream& stream, Location l)
{
    if (l.x < SMALLFLOAT)
	l.x = 0;
    if (l.y < SMALLFLOAT)
	l.y = 0;
    stream << "(" << l.x << "," << l.y << ")";
    return stream;
}