| // std::rel_ops implementation -*- C++ -*- |
| |
| // Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // USA. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| /* |
| * |
| * Copyright (c) 1994 |
| * Hewlett-Packard Company |
| * |
| * Permission to use, copy, modify, distribute and sell this software |
| * and its documentation for any purpose is hereby granted without fee, |
| * provided that the above copyright notice appear in all copies and |
| * that both that copyright notice and this permission notice appear |
| * in supporting documentation. Hewlett-Packard Company makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| * Copyright (c) 1996,1997 |
| * Silicon Graphics |
| * |
| * Permission to use, copy, modify, distribute and sell this software |
| * and its documentation for any purpose is hereby granted without fee, |
| * provided that the above copyright notice appear in all copies and |
| * that both that copyright notice and this permission notice appear |
| * in supporting documentation. Silicon Graphics makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| */ |
| |
| /** @file stl_relops.h |
| * This is an internal header file, included by other library headers. |
| * You should not attempt to use it directly. |
| * |
| * @if maint |
| * Inclusion of this file has been removed from |
| * all of the other STL headers for safety reasons, except std_utility.h. |
| * For more information, see the thread of about twenty messages starting |
| * with http://gcc.gnu.org/ml/libstdc++/2001-01/msg00223.html , or the |
| * FAQ at http://gcc.gnu.org/onlinedocs/libstdc++/faq/index.html#4_4 . |
| * |
| * Short summary: the rel_ops operators should be avoided for the present. |
| * @endif |
| */ |
| |
| #ifndef _STL_RELOPS_H |
| #define _STL_RELOPS_H 1 |
| |
| namespace std |
| { |
| namespace rel_ops |
| { |
| /** @namespace std::rel_ops |
| * @brief The generated relational operators are sequestered here. |
| */ |
| |
| /** |
| * @brief Defines @c != for arbitrary types, in terms of @c ==. |
| * @param x A thing. |
| * @param y Another thing. |
| * @return x != y |
| * |
| * This function uses @c == to determine its result. |
| */ |
| template <class _Tp> |
| inline bool |
| operator!=(const _Tp& __x, const _Tp& __y) |
| { return !(__x == __y); } |
| |
| /** |
| * @brief Defines @c > for arbitrary types, in terms of @c <. |
| * @param x A thing. |
| * @param y Another thing. |
| * @return x > y |
| * |
| * This function uses @c < to determine its result. |
| */ |
| template <class _Tp> |
| inline bool |
| operator>(const _Tp& __x, const _Tp& __y) |
| { return __y < __x; } |
| |
| /** |
| * @brief Defines @c <= for arbitrary types, in terms of @c <. |
| * @param x A thing. |
| * @param y Another thing. |
| * @return x <= y |
| * |
| * This function uses @c < to determine its result. |
| */ |
| template <class _Tp> |
| inline bool |
| operator<=(const _Tp& __x, const _Tp& __y) |
| { return !(__y < __x); } |
| |
| /** |
| * @brief Defines @c >= for arbitrary types, in terms of @c <. |
| * @param x A thing. |
| * @param y Another thing. |
| * @return x >= y |
| * |
| * This function uses @c < to determine its result. |
| */ |
| template <class _Tp> |
| inline bool |
| operator>=(const _Tp& __x, const _Tp& __y) |
| { return !(__x < __y); } |
| |
| } // namespace rel_ops |
| } // namespace std |
| |
| #endif /* _STL_RELOPS_H */ |