_algobase.cc

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/***************************************************************************
 *
 * _algobase.cc - Definitions of out-of-line C++ Standard Library algorithms
 *
 * $Id: _algobase.cc,v 1.1.1.1 2002/01/10 17:38:30 vkorstan Exp $
 *
 ***************************************************************************
 *
 * 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) 1994-2001 Rogue Wave Software, Inc.  All Rights Reserved.
 *
 * This computer software is owned by Rogue Wave Software, Inc. and is
 * protected by U.S. copyright laws and other laws and by international
 * treaties.  This computer software is furnished by Rogue Wave Software,
 * Inc. pursuant to a written license agreement and may be used, copied,
 * transmitted, and stored only in accordance with the terms of such
 * license and with the inclusion of the above copyright notice.  This
 * computer software or any other copies thereof may not be provided or
 * otherwise made available to any other person.
 *
 * U.S. Government Restricted Rights.  This computer software is provided
 * with Restricted Rights.  Use, duplication, or disclosure by the
 * Government is subject to restrictions as set forth in subparagraph (c)
 * (1) (ii) of The Rights in Technical Data and Computer Software clause
 * at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
 * Commercial Computer Software--Restricted Rights at 48 CFR 52.227-19,
 * as applicable.  Manufacturer is Rogue Wave Software, Inc., 5500
 * Flatiron Parkway, Boulder, Colorado 80301 USA.
 *
 **************************************************************************/


_RWSTD_NAMESPACE_BEGIN (std)


template <class _InputIter1, class _InputIter2>
bool lexicographical_compare (_InputIter1 __first1, _InputIter1 __last1,
                              _InputIter2 __first2, _InputIter2 __last2)
{
    _RWSTD_ASSERT_RANGE (__first1, __last1);
    _RWSTD_ASSERT_RANGE (__first2, __last2);

    for (; __first1 != __last1 && __first2 != __last2;
         ++__first2, ++__first1)
    {
        if (*__first1 < *__first2)
            return true;
        if (*__first2 < *__first1)
            return false;
    }
    return __first1 == __last1 && __first2 != __last2;
}


template <class _InputIter1, class _InputIter2, class _Compare>
bool lexicographical_compare (_InputIter1 __first1, _InputIter1 __last1,
                              _InputIter2 __first2, _InputIter2 __last2,
                              _Compare __comp)
{
    _RWSTD_ASSERT_RANGE (__first1, __last1);
    _RWSTD_ASSERT_RANGE (__first2, __last2);

    for (; __first1 != __last1 && __first2 != __last2;
         ++__first2, ++__first1) {
        if (__comp (*__first1, *__first2))
            return true;
        if (__comp (*__first2, *__first1))
            return false;
    }
    return __first1 == __last1 && __first2 != __last2;
}


_RWSTD_NAMESPACE_END   // std