Edit File: stl_relops.h
// std::rel_ops implementation -*- C++ -*- // Copyright (C) 2001-2018 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 3, 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. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the, 2009 Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /* * * 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 bits/stl_relops.h * This is an internal header file, included by other library headers. * Do not attempt to use it directly. @headername{utility} * * 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 * http://gcc.gnu.org/onlinedocs/libstdc++/faq.html#faq.ambiguous_overloads * * Short summary: the rel_ops operators should be avoided for the present. */ #ifndef _STL_RELOPS_H #define _STL_RELOPS_H 1 namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION 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 _GLIBCXX_END_NAMESPACE_VERSION } // namespace std #endif /* _STL_RELOPS_H */
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