mirror of https://github.com/CGAL/cgal
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
// ============================================================================
|
|
//
|
|
// Copyright (c) 1997-2001 The CGAL Consortium
|
|
//
|
|
// This software and related documentation is part of an INTERNAL release
|
|
// of the Computational Geometry Algorithms Library (CGAL). It is not
|
|
// intended for general use.
|
|
//
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// release : $CGAL_Revision: CGAL-I $
|
|
// release_date : $CGAL_Date$
|
|
//
|
|
// file : include/CGAL/Optimisation_circle_2.C
|
|
// package : $CGAL_Package: Min_circle_2 $
|
|
// chapter : Geometric Optimisation
|
|
//
|
|
// source : web/Min_circle_2.aw
|
|
// revision : $Revision$
|
|
// revision_date : $Date$
|
|
//
|
|
// author(s) : Sven Schönherr <sven@inf.ethz.ch>, Bernd Gärtner
|
|
// coordinator : ETH Zürich (Bernd Gärtner <gaertner@inf.ethz.ch>)
|
|
//
|
|
// implementation: 2D Optimisation Circle
|
|
// ============================================================================
|
|
|
|
// includes
|
|
#ifndef CGAL_OPTIMISATION_ASSERTIONS_H
|
|
# include <CGAL/Optimisation/assertions.h>
|
|
#endif
|
|
|
|
CGAL_BEGIN_NAMESPACE
|
|
|
|
// Class implementation (continued)
|
|
// ================================
|
|
|
|
// I/O
|
|
// ---
|
|
template < class K_ >
|
|
std::ostream&
|
|
operator << ( std::ostream& os, const CGAL::Optimisation_circle_2<K_>& c)
|
|
{
|
|
switch ( CGAL::get_mode( os)) {
|
|
|
|
case CGAL::IO::PRETTY:
|
|
os << "CGAL::Optimisation_circle_2( "
|
|
<< c.center() << ", "
|
|
<< c.squared_radius() << ')';
|
|
break;
|
|
|
|
case CGAL::IO::ASCII:
|
|
os << c.center() << ' ' << c.squared_radius();
|
|
break;
|
|
|
|
case CGAL::IO::BINARY:
|
|
os << c.center();
|
|
CGAL::write( os, c.squared_radius());
|
|
break;
|
|
|
|
default:
|
|
CGAL_optimisation_assertion_msg( false,
|
|
"CGAL::get_mode( os) invalid!");
|
|
break; }
|
|
|
|
return( os);
|
|
}
|
|
|
|
template < class K_ >
|
|
std::istream&
|
|
operator >> ( std::istream& is, CGAL::Optimisation_circle_2<K_>& c)
|
|
{
|
|
typedef typename CGAL::Optimisation_circle_2<K_>::Point Point;
|
|
typedef typename CGAL::Optimisation_circle_2<K_>::Distance Distance;
|
|
|
|
switch ( CGAL::get_mode( is)) {
|
|
|
|
case CGAL::IO::PRETTY:
|
|
cerr << std::endl;
|
|
cerr << "Stream must be in ascii or binary mode" << std::endl;
|
|
break;
|
|
|
|
case CGAL::IO::ASCII: {
|
|
Point center;
|
|
Distance squared_radius;
|
|
is >> center >> squared_radius;
|
|
c.set( center, squared_radius); }
|
|
break;
|
|
|
|
case CGAL::IO::BINARY: {
|
|
Point center;
|
|
Distance squared_radius;
|
|
is >> center;
|
|
CGAL::read( is, squared_radius);
|
|
c.set( center, squared_radius); }
|
|
break;
|
|
|
|
default:
|
|
CGAL_optimisation_assertion_msg( false,
|
|
"CGAL::get_mode( is) invalid!");
|
|
break; }
|
|
|
|
return( is);
|
|
}
|
|
|
|
CGAL_END_NAMESPACE
|
|
|
|
// ===== EOF ==================================================================
|