cgal/Min_ellipse_2/include/CGAL/Min_ellipse_2.C

108 lines
3.0 KiB
C

// Copyright (c) 1997-2001 Freie Universitaet Berlin (Germany).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Sven Schoenherr <sven@inf.ethz.ch>, Bernd Gaertner
#include <iterator>
CGAL_BEGIN_NAMESPACE
// Class implementation (continued)
// ================================
// I/O
// ---
template < class Traits_ >
std::ostream&
operator << ( std::ostream& os,
const Min_ellipse_2<Traits_>& min_ellipse)
{
using namespace std;
typedef typename Min_ellipse_2<Traits_>::Point Point;
typedef ostream_iterator<Point> Os_it;
switch ( CGAL::get_mode( os)) {
case CGAL::IO::PRETTY:
os << endl;
os << "CGAL::Min_ellipse_2( |P| = "<<min_ellipse.number_of_points()
<< ", |S| = " << min_ellipse.number_of_support_points() << endl;
os << " P = {" << endl;
os << " ";
copy( min_ellipse.points_begin(), min_ellipse.points_end(),
Os_it( os, ",\n "));
os << "}" << endl;
os << " S = {" << endl;
os << " ";
copy( min_ellipse.support_points_begin(),
min_ellipse.support_points_end(),
Os_it( os, ",\n "));
os << "}" << endl;
os << " ellipse = " << min_ellipse.ellipse() << endl;
os << ")" << endl;
break;
case CGAL::IO::ASCII:
copy( min_ellipse.points_begin(), min_ellipse.points_end(),
Os_it( os, "\n"));
break;
case CGAL::IO::BINARY:
copy( min_ellipse.points_begin(), min_ellipse.points_end(),
Os_it( os));
break;
default:
CGAL_optimisation_assertion_msg( false,
"CGAL::get_mode( os) invalid!");
break; }
return( os);
}
template < class Traits_ >
std::istream&
operator >> ( std::istream& is, CGAL::Min_ellipse_2<Traits_>& min_ellipse)
{
using namespace std;
switch ( CGAL::get_mode( is)) {
case CGAL::IO::PRETTY:
cerr << endl;
cerr << "Stream must be in ascii or binary mode" << endl;
break;
case CGAL::IO::ASCII:
case CGAL::IO::BINARY:
typedef typename Min_ellipse_2<Traits_>::Point Point;
typedef istream_iterator<Point> Is_it;
min_ellipse.clear();
min_ellipse.insert( Is_it( is), Is_it());
break;
default:
CGAL_optimisation_assertion_msg( false, "CGAL::IO::mode invalid!");
break; }
return( is);
}
CGAL_END_NAMESPACE
// ===== EOF ==================================================================