io_tags.h

很多二维 三维几何计算算法 C++ 类库

// Copyright (c) 1997  Utrecht University (The Netherlands),
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
// and Tel-Aviv University (Israel).  All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL 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: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.3-branch/iostream/include/CGAL/IO/io_tags.h $
// $Id: io_tags.h 35126 2006-11-10 13:36:37Z hemmer $
// 
//
// Author(s)     : Andreas Fabri


#ifndef CGAL_IO_TAGS_H
#define CGAL_IO_TAGS_H

CGAL_BEGIN_NAMESPACE

struct io_Read_write{};
struct io_Extract_insert{};
struct io_Operator{};

template<class T> 
struct Io_traits{
    typedef io_Operator Io_tag;
};

template<> struct Io_traits<char>{ typedef io_Read_write Io_tag; }; 

template<> struct Io_traits<short> { typedef io_Read_write Io_tag; };
template<> struct Io_traits<int> { typedef io_Read_write Io_tag; };
template<> struct Io_traits<long> { typedef io_Read_write Io_tag; };
template<> struct Io_traits<long long> { typedef io_Read_write Io_tag; };

template<> struct Io_traits<float> { typedef io_Read_write Io_tag; };
template<> struct Io_traits<double> { typedef io_Read_write Io_tag; };
template<> struct Io_traits<long double> { typedef io_Read_write Io_tag; };



CGAL_END_NAMESPACE

#endif // CGAL_IO_TAGS_H