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// 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

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/*

 *

 * 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

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 */

/** @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 */