cgal/Min_ellipse_2/include/CGAL/Optimisation_ellipse_2.C

126 lines
3.2 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
CGAL_BEGIN_NAMESPACE
// Class implementation (continued)
// ================================
// I/O
// ---
template < class K_ >
std::ostream&
operator << ( std::ostream& os, const CGAL::Optimisation_ellipse_2<K_>& e)
{
const char* const empty = "";
const char* const pretty_head = "CGAL::Optimisation_ellipse_2( ";
const char* const pretty_sep = ", ";
const char* const pretty_tail = ")";
const char* const ascii_sep = " ";
const char* head = empty;
const char* sep = empty;
const char* tail = empty;
switch ( CGAL::get_mode( os)) {
case CGAL::IO::PRETTY:
head = pretty_head;
sep = pretty_sep;
tail = pretty_tail;
break;
case CGAL::IO::ASCII:
sep = ascii_sep;
break;
case CGAL::IO::BINARY:
break;
default:
CGAL_optimisation_assertion_msg( false,
"CGAL::get_mode( os) invalid!");
break; }
os << head << e.n_boundary_points;
switch ( e.n_boundary_points) {
case 0:
break;
case 1:
os << sep << e.boundary_point1;
break;
case 2:
os << sep << e.boundary_point1
<< sep << e.boundary_point2;
break;
case 3:
case 5:
os << sep << e.conic1;
break;
case 4:
os << sep << e.conic1
<< sep << e.conic2;
break; }
os << tail;
return( os);
}
template < class K_ >
std::istream&
operator >> ( std::istream& is, CGAL::Optimisation_ellipse_2<K_>& e)
{
switch ( CGAL::get_mode( is)) {
case CGAL::IO::PRETTY:
std::cerr << std::endl;
std::cerr << "Stream must be in ascii or binary mode" << std::endl;
break;
case CGAL::IO::ASCII:
case CGAL::IO::BINARY:
CGAL::read( is, e.n_boundary_points);
switch ( e.n_boundary_points) {
case 0:
break;
case 1:
is >> e.boundary_point1;
break;
case 2:
is >> e.boundary_point1
>> e.boundary_point2;
break;
case 3:
case 5:
is >> e.conic1;
break;
case 4:
is >> e.conic1
>> e.conic2;
break; }
break;
default:
CGAL_optimisation_assertion_msg( false,
"CGAL::get_mode( is) invalid!");
break; }
return( is);
}
CGAL_END_NAMESPACE
// ===== EOF ==================================================================