libstdc++-v3/include/bits/stl_relops.h

   1 // std::rel_ops implementation -*- C++ -*-
   2
   3 // Copyright (C) 2001 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 /*
  31  *
  32  * Copyright (c) 1994
  33  * Hewlett-Packard Company
  34  *
  35  * Permission to use, copy, modify, distribute and sell this software
  36  * and its documentation for any purpose is hereby granted without fee,
  37  * provided that the above copyright notice appear in all copies and
  38  * that both that copyright notice and this permission notice appear
  39  * in supporting documentation.  Hewlett-Packard Company makes no
  40  * representations about the suitability of this software for any
  41  * purpose.  It is provided "as is" without express or implied warranty.
  42  *
  43  * Copyright (c) 1996,1997
  44  * Silicon Graphics
  45  *
  46  * Permission to use, copy, modify, distribute and sell this software
  47  * and its documentation for any purpose is hereby granted without fee,
  48  * provided that the above copyright notice appear in all copies and
  49  * that both that copyright notice and this permission notice appear
  50  * in supporting documentation.  Silicon Graphics makes no
  51  * representations about the suitability of this software for any
  52  * purpose.  It is provided "as is" without express or implied warranty.
  53  *
  54  */
  55
  56 /* NOTE: This is an internal header file, included by other STL headers.
  57  *   You should not attempt to use it directly.
  58  */
  59
  60 /**** libstdc++-v3 note:  Inclusion of this file has been removed from
  61  * all of the other STL headers for safety reasons, except std_utility.h.
  62  * For more information, see the thread of about twenty messages starting
  63  * with <URL:http://gcc.gnu.org/ml/libstdc++/2001-01/msg00223.html>, or the
  64  * FAQ at <URL:http://gcc.gnu.org/onlinedocs/libstdc++/faq/index.html#4_4>.
  65  *
  66  * Short summary:  the rel_ops operators cannot be made to play nice.
  67  * Don't use them.
  68 */
  69
  70 #ifndef _CPP_BITS_STL_RELOPS_H
  71 #define _CPP_BITS_STL_RELOPS_H 1
  72
  73 namespace std
  74 {
  75   namespace rel_ops
  76   {
  77
  78 template <class _Tp>
  79 inline bool operator!=(const _Tp& __x, const _Tp& __y) {
  80   return !(__x == __y);
  81 }
  82
  83 template <class _Tp>
  84 inline bool operator>(const _Tp& __x, const _Tp& __y) {
  85   return __y < __x;
  86 }
  87
  88 template <class _Tp>
  89 inline bool operator<=(const _Tp& __x, const _Tp& __y) {
  90   return !(__y < __x);
  91 }
  92
  93 template <class _Tp>
  94 inline bool operator>=(const _Tp& __x, const _Tp& __y) {
  95   return !(__x < __y);
  96 }
  97
  98   } // namespace rel_ops
  99 } // namespace std
 100
 101 #endif /* _CPP_BITS_STL_RELOPS_H */
 102
 103 // Local Variables:
 104 // mode:C++
 105 // End: