mirror of
https://github.com/reactos/reactos.git
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b819608ed8
svn path=/branches/condrv_restructure/; revision=63104
2029 lines
74 KiB
C
2029 lines
74 KiB
C
/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Copyright (c) 1996,1997
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1997
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* Moscow Center for SPARC Technology
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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#ifndef _STLP_ALGO_C
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#define _STLP_ALGO_C
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#if !defined (_STLP_INTERNAL_ALGO_H)
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# include <stl/_algo.h>
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#endif
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#ifndef _STLP_INTERNAL_TEMPBUF_H
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# include <stl/_tempbuf.h>
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#endif
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_STLP_BEGIN_NAMESPACE
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_STLP_MOVE_TO_PRIV_NAMESPACE
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template <class _BidirectionalIter, class _Distance, class _Compare>
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void __merge_without_buffer(_BidirectionalIter __first,
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_BidirectionalIter __middle,
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_BidirectionalIter __last,
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_Distance __len1, _Distance __len2,
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_Compare __comp);
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template <class _BidirectionalIter1, class _BidirectionalIter2,
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class _BidirectionalIter3, class _Compare>
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_BidirectionalIter3 __merge_backward(_BidirectionalIter1 __first1,
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_BidirectionalIter1 __last1,
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_BidirectionalIter2 __first2,
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_BidirectionalIter2 __last2,
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_BidirectionalIter3 __result,
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_Compare __comp);
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template <class _Tp>
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#if !(defined (__SUNPRO_CC) && (__SUNPRO_CC < 0x420 ))
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inline
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#endif
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const _Tp& __median(const _Tp& __a, const _Tp& __b, const _Tp& __c) {
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if (__a < __b)
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if (__b < __c)
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return __b;
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else if (__a < __c)
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return __c;
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else
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return __a;
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else if (__a < __c)
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return __a;
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else if (__b < __c)
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return __c;
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else
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return __b;
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}
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template <class _Tp, class _Compare>
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#if !(defined (__SUNPRO_CC) && (__SUNPRO_CC < 0x420 ))
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inline
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#endif
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const _Tp&
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__median(const _Tp& __a, const _Tp& __b, const _Tp& __c, _Compare __comp) {
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if (__comp(__a, __b)) {
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_STLP_VERBOSE_ASSERT(!__comp(__b, __a), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
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if (__comp(__b, __c)) {
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_STLP_VERBOSE_ASSERT(!__comp(__c, __b), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
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return __b;
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}
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else if (__comp(__a, __c)) {
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_STLP_VERBOSE_ASSERT(!__comp(__c, __a), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
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return __c;
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}
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else
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return __a;
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}
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else if (__comp(__a, __c)) {
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_STLP_VERBOSE_ASSERT(!__comp(__c, __a), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
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return __a;
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}
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else if (__comp(__b, __c)) {
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_STLP_VERBOSE_ASSERT(!__comp(__c, __b), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
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return __c;
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}
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else
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return __b;
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}
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_STLP_MOVE_TO_STD_NAMESPACE
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template <class _ForwardIter1, class _ForwardIter2>
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_ForwardIter1 search(_ForwardIter1 __first1, _ForwardIter1 __last1,
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_ForwardIter2 __first2, _ForwardIter2 __last2) {
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
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// Test for empty ranges
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if (__first1 == __last1 || __first2 == __last2)
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return __first1;
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// Test for a pattern of length 1.
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_ForwardIter2 __p1(__first2);
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if ( ++__p1 == __last2 )
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return find(__first1, __last1, *__first2);
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// General case.
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for ( ; ; ) { // __first1 != __last1 will be checked in find below
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__first1 = find(__first1, __last1, *__first2);
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if (__first1 == __last1)
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return __last1;
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_ForwardIter2 __p = __p1;
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_ForwardIter1 __current = __first1;
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if (++__current == __last1)
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return __last1;
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while (*__current == *__p) {
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if (++__p == __last2)
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return __first1;
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if (++__current == __last1)
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return __last1;
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}
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++__first1;
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}
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return __first1;
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}
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_STLP_MOVE_TO_PRIV_NAMESPACE
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template <class _RandomAccessIter, class _Integer, class _Tp,
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class _BinaryPred, class _Distance>
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_RandomAccessIter __search_n(_RandomAccessIter __first, _RandomAccessIter __last,
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_Integer __count, const _Tp& __val, _BinaryPred __pred,
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_Distance*, const random_access_iterator_tag &)
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{
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_Distance __tailSize = __last - __first;
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const _Distance __pattSize = __count;
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const _Distance __skipOffset = __pattSize - 1;
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_RandomAccessIter __backTrack;
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_Distance __remainder, __prevRemainder;
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for ( _RandomAccessIter __lookAhead = __first + __skipOffset; __tailSize >= __pattSize; __lookAhead += __pattSize ) { // the main loop...
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//__lookAhead here is always pointing to the last element of next possible match.
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__tailSize -= __pattSize;
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while ( !__pred(*__lookAhead, __val) ) { // the skip loop...
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if (__tailSize < __pattSize)
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return __last;
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__lookAhead += __pattSize;
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__tailSize -= __pattSize;
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}
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if ( __skipOffset == 0 ) {
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return (__lookAhead - __skipOffset); //Success
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}
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__remainder = __skipOffset;
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for (__backTrack = __lookAhead; __pred(*--__backTrack, __val); ) {
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if (--__remainder == 0)
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return (__lookAhead - __skipOffset); //Success
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}
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if (__remainder > __tailSize)
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return __last; //failure
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__lookAhead += __remainder;
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__tailSize -= __remainder;
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while ( __pred(*__lookAhead, __val) ) {
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__prevRemainder = __remainder;
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__backTrack = __lookAhead;
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do {
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if (--__remainder == 0)
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return (__lookAhead - __skipOffset); //Success
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} while (__pred(*--__backTrack, __val));
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//adjust remainder for next comparison
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__remainder += __pattSize - __prevRemainder;
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if (__remainder > __tailSize)
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return __last; //failure
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__lookAhead += __remainder;
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__tailSize -= __remainder;
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}
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//__lookAhead here is always pointing to the element of the last mismatch.
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}
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return __last; //failure
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}
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template <class _ForwardIter, class _Integer, class _Tp,
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class _Distance, class _BinaryPred>
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_ForwardIter __search_n(_ForwardIter __first, _ForwardIter __last,
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_Integer __count, const _Tp& __val, _BinaryPred __pred,
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_Distance*, const forward_iterator_tag &) {
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for (; (__first != __last) && !__pred(*__first, __val); ++__first) {}
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while (__first != __last) {
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_Integer __n = __count - 1;
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_ForwardIter __i = __first;
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++__i;
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while (__i != __last && __n != 0 && __pred(*__i, __val)) {
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++__i;
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--__n;
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}
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if (__n == 0)
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return __first;
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else if (__i != __last)
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for (__first = ++__i; (__first != __last) && !__pred(*__first, __val); ++__first) {}
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else
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break;
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}
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return __last;
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}
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_STLP_MOVE_TO_STD_NAMESPACE
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// search_n. Search for __count consecutive copies of __val.
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template <class _ForwardIter, class _Integer, class _Tp>
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_ForwardIter search_n(_ForwardIter __first, _ForwardIter __last,
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_Integer __count, const _Tp& __val) {
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
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if (__count <= 0)
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return __first;
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if (__count == 1)
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//We use find when __count == 1 to use potential find overload.
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return find(__first, __last, __val);
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return _STLP_PRIV __search_n(__first, __last, __count, __val, equal_to<_Tp>(),
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_STLP_DISTANCE_TYPE(__first, _ForwardIter),
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_STLP_ITERATOR_CATEGORY(__first, _ForwardIter));
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}
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template <class _ForwardIter, class _Integer, class _Tp, class _BinaryPred>
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_ForwardIter search_n(_ForwardIter __first, _ForwardIter __last,
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_Integer __count, const _Tp& __val,
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_BinaryPred __binary_pred) {
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
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if (__count <= 0)
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return __first;
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return _STLP_PRIV __search_n(__first, __last, __count, __val, __binary_pred,
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_STLP_DISTANCE_TYPE(__first, _ForwardIter),
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_STLP_ITERATOR_CATEGORY(__first, _ForwardIter));
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}
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template <class _ForwardIter1, class _ForwardIter2>
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_ForwardIter1
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find_end(_ForwardIter1 __first1, _ForwardIter1 __last1,
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_ForwardIter2 __first2, _ForwardIter2 __last2) {
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
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return _STLP_PRIV __find_end(__first1, __last1, __first2, __last2,
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#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
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_STLP_ITERATOR_CATEGORY(__first1, _ForwardIter1),
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_STLP_ITERATOR_CATEGORY(__first2, _ForwardIter2),
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#else
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forward_iterator_tag(),
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forward_iterator_tag(),
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#endif
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_STLP_PRIV __equal_to(_STLP_VALUE_TYPE(__first1, _ForwardIter1))
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);
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}
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// unique and unique_copy
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_STLP_MOVE_TO_PRIV_NAMESPACE
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template <class _InputIterator, class _OutputIterator, class _BinaryPredicate,
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class _Tp>
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_STLP_INLINE_LOOP _OutputIterator
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__unique_copy(_InputIterator __first, _InputIterator __last,
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_OutputIterator __result,
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_BinaryPredicate __binary_pred, _Tp*) {
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_Tp __val = *__first;
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*__result = __val;
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while (++__first != __last)
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if (!__binary_pred(__val, *__first)) {
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__val = *__first;
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*++__result = __val;
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}
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return ++__result;
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}
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template <class _InputIter, class _OutputIter, class _BinaryPredicate>
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inline _OutputIter
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__unique_copy(_InputIter __first, _InputIter __last,_OutputIter __result,
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_BinaryPredicate __binary_pred, const output_iterator_tag &) {
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return _STLP_PRIV __unique_copy(__first, __last, __result, __binary_pred,
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_STLP_VALUE_TYPE(__first, _InputIter));
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}
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template <class _InputIter, class _ForwardIter, class _BinaryPredicate>
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_STLP_INLINE_LOOP _ForwardIter
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__unique_copy(_InputIter __first, _InputIter __last, _ForwardIter __result,
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_BinaryPredicate __binary_pred, const forward_iterator_tag &) {
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*__result = *__first;
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while (++__first != __last)
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if (!__binary_pred(*__result, *__first)) *++__result = *__first;
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return ++__result;
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}
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#if defined (_STLP_NONTEMPL_BASE_MATCH_BUG)
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template <class _InputIterator, class _BidirectionalIterator, class _BinaryPredicate>
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inline _BidirectionalIterator
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__unique_copy(_InputIterator __first, _InputIterator __last,
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_BidirectionalIterator __result, _BinaryPredicate __binary_pred,
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const bidirectional_iterator_tag &) {
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return _STLP_PRIV __unique_copy(__first, __last, __result, __binary_pred, forward_iterator_tag());
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}
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template <class _InputIterator, class _RandomAccessIterator, class _BinaryPredicate>
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inline _RandomAccessIterator
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__unique_copy(_InputIterator __first, _InputIterator __last,
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_RandomAccessIterator __result, _BinaryPredicate __binary_pred,
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const random_access_iterator_tag &) {
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return _STLP_PRIV __unique_copy(__first, __last, __result, __binary_pred, forward_iterator_tag());
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}
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#endif /* _STLP_NONTEMPL_BASE_MATCH_BUG */
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_STLP_MOVE_TO_STD_NAMESPACE
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template <class _InputIter, class _OutputIter>
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_OutputIter
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unique_copy(_InputIter __first, _InputIter __last, _OutputIter __result) {
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
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if (__first == __last) return __result;
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return _STLP_PRIV __unique_copy(__first, __last, __result,
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_STLP_PRIV __equal_to(_STLP_VALUE_TYPE(__first, _InputIter)),
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_STLP_ITERATOR_CATEGORY(__result, _OutputIter));
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}
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template <class _InputIter, class _OutputIter, class _BinaryPredicate>
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_OutputIter
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unique_copy(_InputIter __first, _InputIter __last,_OutputIter __result,
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_BinaryPredicate __binary_pred) {
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_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
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if (__first == __last) return __result;
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return _STLP_PRIV __unique_copy(__first, __last, __result, __binary_pred,
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_STLP_ITERATOR_CATEGORY(__result, _OutputIter));
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}
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// rotate and rotate_copy, and their auxiliary functions
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_STLP_MOVE_TO_PRIV_NAMESPACE
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template <class _ForwardIter, class _Distance>
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_ForwardIter __rotate_aux(_ForwardIter __first,
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_ForwardIter __middle,
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_ForwardIter __last,
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_Distance*,
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const forward_iterator_tag &) {
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if (__first == __middle)
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return __last;
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if (__last == __middle)
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return __first;
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_ForwardIter __first2 = __middle;
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do {
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_STLP_STD::swap(*__first++, *__first2++);
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if (__first == __middle)
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__middle = __first2;
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} while (__first2 != __last);
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_ForwardIter __new_middle = __first;
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__first2 = __middle;
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while (__first2 != __last) {
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_STLP_STD::swap (*__first++, *__first2++);
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if (__first == __middle)
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__middle = __first2;
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else if (__first2 == __last)
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__first2 = __middle;
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}
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return __new_middle;
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}
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template <class _BidirectionalIter, class _Distance>
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_BidirectionalIter __rotate_aux(_BidirectionalIter __first,
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_BidirectionalIter __middle,
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_BidirectionalIter __last,
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_Distance*,
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const bidirectional_iterator_tag &) {
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if (__first == __middle)
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return __last;
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if (__last == __middle)
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return __first;
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_STLP_PRIV __reverse(__first, __middle, bidirectional_iterator_tag());
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_STLP_PRIV __reverse(__middle, __last, bidirectional_iterator_tag());
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while (__first != __middle && __middle != __last)
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_STLP_STD::swap(*__first++, *--__last);
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if (__first == __middle) {
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_STLP_PRIV __reverse(__middle, __last, bidirectional_iterator_tag());
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return __last;
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}
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else {
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_STLP_PRIV __reverse(__first, __middle, bidirectional_iterator_tag());
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return __first;
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}
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}
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// rotate and rotate_copy, and their auxiliary functions
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template <class _EuclideanRingElement>
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_STLP_INLINE_LOOP
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_EuclideanRingElement __gcd(_EuclideanRingElement __m,
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_EuclideanRingElement __n) {
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while (__n != 0) {
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_EuclideanRingElement __t = __m % __n;
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__m = __n;
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__n = __t;
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}
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return __m;
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}
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template <class _RandomAccessIter, class _Distance, class _Tp>
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_RandomAccessIter __rotate_aux(_RandomAccessIter __first,
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_RandomAccessIter __middle,
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_RandomAccessIter __last,
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_Distance *, _Tp *) {
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_Distance __n = __last - __first;
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_Distance __k = __middle - __first;
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_Distance __l = __n - __k;
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_RandomAccessIter __result = __first + (__last - __middle);
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if (__k == 0) /* __first == middle */
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return __last;
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if (__k == __l) {
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_STLP_STD::swap_ranges(__first, __middle, __middle);
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return __result;
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}
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_Distance __d = _STLP_PRIV __gcd(__n, __k);
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for (_Distance __i = 0; __i < __d; __i++) {
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_Tp __tmp = *__first;
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_RandomAccessIter __p = __first;
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if (__k < __l) {
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for (_Distance __j = 0; __j < __l/__d; __j++) {
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if (__p > __first + __l) {
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*__p = *(__p - __l);
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__p -= __l;
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}
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*__p = *(__p + __k);
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__p += __k;
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}
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}
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else {
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for (_Distance __j = 0; __j < __k/__d - 1; __j ++) {
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if (__p < __last - __k) {
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*__p = *(__p + __k);
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__p += __k;
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}
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*__p = * (__p - __l);
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__p -= __l;
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}
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|
}
|
|
|
|
*__p = __tmp;
|
|
++__first;
|
|
}
|
|
|
|
return __result;
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Distance>
|
|
inline _RandomAccessIter
|
|
__rotate_aux(_RandomAccessIter __first, _RandomAccessIter __middle, _RandomAccessIter __last,
|
|
_Distance * __dis, const random_access_iterator_tag &) {
|
|
return _STLP_PRIV __rotate_aux(__first, __middle, __last,
|
|
__dis, _STLP_VALUE_TYPE(__first, _RandomAccessIter));
|
|
}
|
|
|
|
template <class _ForwardIter>
|
|
_ForwardIter
|
|
__rotate(_ForwardIter __first, _ForwardIter __middle, _ForwardIter __last) {
|
|
_STLP_DEBUG_CHECK(__check_range(__first, __middle))
|
|
_STLP_DEBUG_CHECK(__check_range(__middle, __last))
|
|
return __rotate_aux(__first, __middle, __last,
|
|
_STLP_DISTANCE_TYPE(__first, _ForwardIter),
|
|
_STLP_ITERATOR_CATEGORY(__first, _ForwardIter));
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _ForwardIter>
|
|
void rotate(_ForwardIter __first, _ForwardIter __middle, _ForwardIter __last) {
|
|
_STLP_PRIV __rotate(__first, __middle, __last);
|
|
}
|
|
|
|
// Return a random number in the range [0, __n). This function encapsulates
|
|
// whether we're using rand (part of the standard C library) or lrand48
|
|
// (not standard, but a much better choice whenever it's available).
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _Distance>
|
|
inline _Distance __random_number(_Distance __n) {
|
|
#ifdef _STLP_NO_DRAND48
|
|
return rand() % __n;
|
|
#else
|
|
return lrand48() % __n;
|
|
#endif
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _RandomAccessIter>
|
|
void random_shuffle(_RandomAccessIter __first,
|
|
_RandomAccessIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last) return;
|
|
for (_RandomAccessIter __i = __first + 1; __i != __last; ++__i)
|
|
iter_swap(__i, __first + _STLP_PRIV __random_number((__i - __first) + 1));
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _RandomNumberGenerator>
|
|
void random_shuffle(_RandomAccessIter __first, _RandomAccessIter __last,
|
|
_RandomNumberGenerator &__rand) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last) return;
|
|
for (_RandomAccessIter __i = __first + 1; __i != __last; ++__i)
|
|
iter_swap(__i, __first + __rand((__i - __first) + 1));
|
|
}
|
|
|
|
#if !defined (_STLP_NO_EXTENSIONS)
|
|
// random_sample and random_sample_n (extensions, not part of the standard).
|
|
template <class _ForwardIter, class _OutputIter, class _Distance>
|
|
_OutputIter random_sample_n(_ForwardIter __first, _ForwardIter __last,
|
|
_OutputIter __out_ite, const _Distance __n) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_Distance __remaining = _STLP_STD::distance(__first, __last);
|
|
_Distance __m = (min) (__n, __remaining);
|
|
|
|
while (__m > 0) {
|
|
if (_STLP_PRIV __random_number(__remaining) < __m) {
|
|
*__out_ite = *__first;
|
|
++__out_ite;
|
|
--__m;
|
|
}
|
|
|
|
--__remaining;
|
|
++__first;
|
|
}
|
|
return __out_ite;
|
|
}
|
|
|
|
|
|
template <class _ForwardIter, class _OutputIter, class _Distance,
|
|
class _RandomNumberGenerator>
|
|
_OutputIter random_sample_n(_ForwardIter __first, _ForwardIter __last,
|
|
_OutputIter __out_ite, const _Distance __n,
|
|
_RandomNumberGenerator& __rand) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_Distance __remaining = _STLP_STD::distance(__first, __last);
|
|
_Distance __m = (min) (__n, __remaining);
|
|
|
|
while (__m > 0) {
|
|
if (__rand(__remaining) < __m) {
|
|
*__out_ite = *__first;
|
|
++__out_ite;
|
|
--__m;
|
|
}
|
|
|
|
--__remaining;
|
|
++__first;
|
|
}
|
|
return __out_ite;
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _InputIter, class _RandomAccessIter, class _Distance>
|
|
_RandomAccessIter __random_sample(_InputIter __first, _InputIter __last,
|
|
_RandomAccessIter __out_ite,
|
|
const _Distance __n) {
|
|
_Distance __m = 0;
|
|
_Distance __t = __n;
|
|
for ( ; __first != __last && __m < __n; ++__m, ++__first)
|
|
__out_ite[__m] = *__first;
|
|
|
|
while (__first != __last) {
|
|
++__t;
|
|
_Distance __M = __random_number(__t);
|
|
if (__M < __n)
|
|
__out_ite[__M] = *__first;
|
|
++__first;
|
|
}
|
|
|
|
return __out_ite + __m;
|
|
}
|
|
|
|
template <class _InputIter, class _RandomAccessIter,
|
|
class _RandomNumberGenerator, class _Distance>
|
|
_RandomAccessIter __random_sample(_InputIter __first, _InputIter __last,
|
|
_RandomAccessIter __out_ite,
|
|
_RandomNumberGenerator& __rand,
|
|
const _Distance __n) {
|
|
_Distance __m = 0;
|
|
_Distance __t = __n;
|
|
for ( ; __first != __last && __m < __n; ++__m, ++__first)
|
|
__out_ite[__m] = *__first;
|
|
|
|
while (__first != __last) {
|
|
++__t;
|
|
_Distance __M = __rand(__t);
|
|
if (__M < __n)
|
|
__out_ite[__M] = *__first;
|
|
++__first;
|
|
}
|
|
|
|
return __out_ite + __m;
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter, class _RandomAccessIter>
|
|
_RandomAccessIter
|
|
random_sample(_InputIter __first, _InputIter __last,
|
|
_RandomAccessIter __out_first, _RandomAccessIter __out_last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__out_first, __out_last))
|
|
return _STLP_PRIV __random_sample(__first, __last,
|
|
__out_first, __out_last - __out_first);
|
|
}
|
|
|
|
template <class _InputIter, class _RandomAccessIter, class _RandomNumberGenerator>
|
|
_RandomAccessIter
|
|
random_sample(_InputIter __first, _InputIter __last,
|
|
_RandomAccessIter __out_first, _RandomAccessIter __out_last,
|
|
_RandomNumberGenerator& __rand) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__out_first, __out_last))
|
|
return _STLP_PRIV __random_sample(__first, __last,
|
|
__out_first, __rand,
|
|
__out_last - __out_first);
|
|
}
|
|
|
|
#endif /* _STLP_NO_EXTENSIONS */
|
|
|
|
// partition, stable_partition, and their auxiliary functions
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _ForwardIter, class _Predicate>
|
|
_STLP_INLINE_LOOP _ForwardIter __partition(_ForwardIter __first,
|
|
_ForwardIter __last,
|
|
_Predicate __pred,
|
|
const forward_iterator_tag &) {
|
|
if (__first == __last) return __first;
|
|
|
|
while (__pred(*__first))
|
|
if (++__first == __last) return __first;
|
|
|
|
_ForwardIter __next = __first;
|
|
|
|
while (++__next != __last) {
|
|
if (__pred(*__next)) {
|
|
_STLP_STD::swap(*__first, *__next);
|
|
++__first;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _BidirectionalIter, class _Predicate>
|
|
_STLP_INLINE_LOOP _BidirectionalIter __partition(_BidirectionalIter __first,
|
|
_BidirectionalIter __last,
|
|
_Predicate __pred,
|
|
const bidirectional_iterator_tag &) {
|
|
for (;;) {
|
|
for (;;) {
|
|
if (__first == __last)
|
|
return __first;
|
|
else if (__pred(*__first))
|
|
++__first;
|
|
else
|
|
break;
|
|
}
|
|
--__last;
|
|
for (;;) {
|
|
if (__first == __last)
|
|
return __first;
|
|
else if (!__pred(*__last))
|
|
--__last;
|
|
else
|
|
break;
|
|
}
|
|
iter_swap(__first, __last);
|
|
++__first;
|
|
}
|
|
}
|
|
|
|
#if defined (_STLP_NONTEMPL_BASE_MATCH_BUG)
|
|
template <class _BidirectionalIter, class _Predicate>
|
|
inline
|
|
_BidirectionalIter __partition(_BidirectionalIter __first,
|
|
_BidirectionalIter __last,
|
|
_Predicate __pred,
|
|
const random_access_iterator_tag &) {
|
|
return __partition(__first, __last, __pred, bidirectional_iterator_tag());
|
|
}
|
|
#endif
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _ForwardIter, class _Predicate>
|
|
_ForwardIter partition(_ForwardIter __first, _ForwardIter __last, _Predicate __pred) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
return _STLP_PRIV __partition(__first, __last, __pred, _STLP_ITERATOR_CATEGORY(__first, _ForwardIter));
|
|
}
|
|
|
|
|
|
/* __pred_of_first: false if we know that __pred(*__first) is false,
|
|
* true when we don't know the result of __pred(*__first).
|
|
* __not_pred_of_before_last: true if we know that __pred(*--__last) is true,
|
|
* false when we don't know the result of __pred(*--__last).
|
|
*/
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _ForwardIter, class _Predicate, class _Distance>
|
|
_ForwardIter __inplace_stable_partition(_ForwardIter __first,
|
|
_ForwardIter __last,
|
|
_Predicate __pred, _Distance __len,
|
|
bool __pred_of_first, bool __pred_of_before_last) {
|
|
if (__len == 1)
|
|
return (__pred_of_first && (__pred_of_before_last || __pred(*__first))) ? __last : __first;
|
|
_ForwardIter __middle = __first;
|
|
_Distance __half_len = __len / 2;
|
|
_STLP_STD::advance(__middle, __half_len);
|
|
return _STLP_PRIV __rotate(_STLP_PRIV __inplace_stable_partition(__first, __middle, __pred, __half_len, __pred_of_first, false),
|
|
__middle,
|
|
_STLP_PRIV __inplace_stable_partition(__middle, __last, __pred, __len - __half_len, true, __pred_of_before_last));
|
|
}
|
|
|
|
template <class _ForwardIter, class _Pointer, class _Predicate,
|
|
class _Distance>
|
|
_ForwardIter __stable_partition_adaptive(_ForwardIter __first,
|
|
_ForwardIter __last,
|
|
_Predicate __pred, _Distance __len,
|
|
_Pointer __buffer, _Distance __buffer_size,
|
|
bool __pred_of_first, bool __pred_of_before_last) {
|
|
if (__len <= __buffer_size) {
|
|
_ForwardIter __result1 = __first;
|
|
_Pointer __result2 = __buffer;
|
|
if ((__first != __last) && (!__pred_of_first || __pred(*__first))) {
|
|
*__result2 = *__first;
|
|
++__result2; ++__first; --__len;
|
|
}
|
|
for (; __first != __last ; ++__first, --__len) {
|
|
if (((__len == 1) && (__pred_of_before_last || __pred(*__first))) ||
|
|
((__len != 1) && __pred(*__first))){
|
|
*__result1 = *__first;
|
|
++__result1;
|
|
}
|
|
else {
|
|
*__result2 = *__first;
|
|
++__result2;
|
|
}
|
|
}
|
|
_STLP_STD::copy(__buffer, __result2, __result1);
|
|
return __result1;
|
|
}
|
|
else {
|
|
_ForwardIter __middle = __first;
|
|
_Distance __half_len = __len / 2;
|
|
_STLP_STD::advance(__middle, __half_len);
|
|
return _STLP_PRIV __rotate(_STLP_PRIV __stable_partition_adaptive(__first, __middle, __pred,
|
|
__half_len, __buffer, __buffer_size,
|
|
__pred_of_first, false),
|
|
__middle,
|
|
_STLP_PRIV __stable_partition_adaptive(__middle, __last, __pred,
|
|
__len - __half_len, __buffer, __buffer_size,
|
|
true, __pred_of_before_last));
|
|
}
|
|
}
|
|
|
|
template <class _ForwardIter, class _Predicate, class _Tp, class _Distance>
|
|
inline _ForwardIter
|
|
__stable_partition_aux_aux(_ForwardIter __first, _ForwardIter __last,
|
|
_Predicate __pred, _Tp*, _Distance*, bool __pred_of_before_last) {
|
|
_Temporary_buffer<_ForwardIter, _Tp> __buf(__first, __last);
|
|
_STLP_MPWFIX_TRY //*TY 06/01/2000 - they forget to call dtor for _Temporary_buffer if no try/catch block is present
|
|
return (__buf.size() > 0) ?
|
|
__stable_partition_adaptive(__first, __last, __pred,
|
|
_Distance(__buf.requested_size()),
|
|
__buf.begin(), __buf.size(),
|
|
false, __pred_of_before_last) :
|
|
__inplace_stable_partition(__first, __last, __pred,
|
|
_Distance(__buf.requested_size()),
|
|
false, __pred_of_before_last);
|
|
_STLP_MPWFIX_CATCH //*TY 06/01/2000 - they forget to call dtor for _Temporary_buffer if no try/catch block is present
|
|
}
|
|
|
|
template <class _ForwardIter, class _Predicate>
|
|
_ForwardIter
|
|
__stable_partition_aux(_ForwardIter __first, _ForwardIter __last, _Predicate __pred,
|
|
const forward_iterator_tag &) {
|
|
return __stable_partition_aux_aux(__first, __last, __pred,
|
|
_STLP_VALUE_TYPE(__first, _ForwardIter),
|
|
_STLP_DISTANCE_TYPE(__first, _ForwardIter), false);
|
|
}
|
|
|
|
template <class _BidirectIter, class _Predicate>
|
|
_BidirectIter
|
|
__stable_partition_aux(_BidirectIter __first, _BidirectIter __last, _Predicate __pred,
|
|
const bidirectional_iterator_tag &) {
|
|
for (--__last;;) {
|
|
if (__first == __last)
|
|
return __first;
|
|
else if (!__pred(*__last))
|
|
--__last;
|
|
else
|
|
break;
|
|
}
|
|
++__last;
|
|
//Here we know that __pred(*--__last) is true
|
|
return __stable_partition_aux_aux(__first, __last, __pred,
|
|
_STLP_VALUE_TYPE(__first, _BidirectIter),
|
|
_STLP_DISTANCE_TYPE(__first, _BidirectIter), true);
|
|
}
|
|
|
|
#if defined (_STLP_NONTEMPL_BASE_MATCH_BUG)
|
|
template <class _BidirectIter, class _Predicate>
|
|
_BidirectIter
|
|
__stable_partition_aux(_BidirectIter __first, _BidirectIter __last, _Predicate __pred,
|
|
const random_access_iterator_tag &) {
|
|
return __stable_partition_aux(__first, __last, __pred, bidirectional_iterator_tag());
|
|
}
|
|
#endif
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _ForwardIter, class _Predicate>
|
|
_ForwardIter
|
|
stable_partition(_ForwardIter __first, _ForwardIter __last, _Predicate __pred) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
for (;;) {
|
|
if (__first == __last)
|
|
return __first;
|
|
else if (__pred(*__first))
|
|
++__first;
|
|
else
|
|
break;
|
|
}
|
|
return _STLP_PRIV __stable_partition_aux(__first, __last, __pred,
|
|
_STLP_ITERATOR_CATEGORY(__first, _ForwardIter));
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Compare>
|
|
_RandomAccessIter __unguarded_partition(_RandomAccessIter __first,
|
|
_RandomAccessIter __last,
|
|
_Tp __pivot, _Compare __comp) {
|
|
for (;;) {
|
|
while (__comp(*__first, __pivot)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(__pivot, *__first), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
++__first;
|
|
}
|
|
--__last;
|
|
while (__comp(__pivot, *__last)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__last, __pivot), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
--__last;
|
|
}
|
|
if (!(__first < __last))
|
|
return __first;
|
|
iter_swap(__first, __last);
|
|
++__first;
|
|
}
|
|
}
|
|
|
|
// sort() and its auxiliary functions.
|
|
#define __stl_threshold 16
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Compare>
|
|
void __unguarded_linear_insert(_RandomAccessIter __last, _Tp __val,
|
|
_Compare __comp) {
|
|
_RandomAccessIter __next = __last;
|
|
--__next;
|
|
while (__comp(__val, *__next)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__next, __val), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
*__last = *__next;
|
|
__last = __next;
|
|
--__next;
|
|
}
|
|
*__last = __val;
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Compare>
|
|
inline void __linear_insert(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Tp __val, _Compare __comp) {
|
|
//*TY 12/26/1998 - added __val as a paramter
|
|
// _Tp __val = *__last; //*TY 12/26/1998 - __val supplied by caller
|
|
if (__comp(__val, *__first)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first, __val), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
copy_backward(__first, __last, __last + 1);
|
|
*__first = __val;
|
|
}
|
|
else
|
|
__unguarded_linear_insert(__last, __val, __comp);
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Compare>
|
|
void __insertion_sort(_RandomAccessIter __first,
|
|
_RandomAccessIter __last,
|
|
_Tp *, _Compare __comp) {
|
|
if (__first == __last) return;
|
|
for (_RandomAccessIter __i = __first + 1; __i != __last; ++__i)
|
|
__linear_insert<_RandomAccessIter, _Tp, _Compare>(__first, __i, *__i, __comp); //*TY 12/26/1998 - supply *__i as __val
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Compare>
|
|
void __unguarded_insertion_sort_aux(_RandomAccessIter __first,
|
|
_RandomAccessIter __last,
|
|
_Tp*, _Compare __comp) {
|
|
for (_RandomAccessIter __i = __first; __i != __last; ++__i)
|
|
__unguarded_linear_insert<_RandomAccessIter, _Tp, _Compare>(__i, *__i, __comp);
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Compare>
|
|
inline void __unguarded_insertion_sort(_RandomAccessIter __first,
|
|
_RandomAccessIter __last,
|
|
_Compare __comp) {
|
|
__unguarded_insertion_sort_aux(__first, __last, _STLP_VALUE_TYPE(__first, _RandomAccessIter), __comp);
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Compare>
|
|
void __final_insertion_sort(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Compare __comp) {
|
|
if (__last - __first > __stl_threshold) {
|
|
__insertion_sort(__first, __first + __stl_threshold, _STLP_VALUE_TYPE(__first,_RandomAccessIter), __comp);
|
|
__unguarded_insertion_sort(__first + __stl_threshold, __last, __comp);
|
|
}
|
|
else
|
|
__insertion_sort(__first, __last, _STLP_VALUE_TYPE(__first,_RandomAccessIter), __comp);
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Size, class _Compare>
|
|
void __introsort_loop(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Tp*,
|
|
_Size __depth_limit, _Compare __comp) {
|
|
while (__last - __first > __stl_threshold) {
|
|
if (__depth_limit == 0) {
|
|
partial_sort(__first, __last, __last, __comp);
|
|
return;
|
|
}
|
|
--__depth_limit;
|
|
_RandomAccessIter __cut =
|
|
__unguarded_partition(__first, __last,
|
|
_Tp(__median(*__first,
|
|
*(__first + (__last - __first)/2),
|
|
*(__last - 1), __comp)),
|
|
__comp);
|
|
__introsort_loop(__cut, __last, (_Tp*) 0, __depth_limit, __comp);
|
|
__last = __cut;
|
|
}
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _RandomAccessIter>
|
|
void sort(_RandomAccessIter __first, _RandomAccessIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first != __last) {
|
|
_STLP_PRIV __introsort_loop(__first, __last,
|
|
_STLP_VALUE_TYPE(__first, _RandomAccessIter),
|
|
_STLP_PRIV __lg(__last - __first) * 2,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _RandomAccessIter)));
|
|
_STLP_PRIV __final_insertion_sort(__first, __last,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _RandomAccessIter)));
|
|
}
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Compare>
|
|
void sort(_RandomAccessIter __first, _RandomAccessIter __last, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first != __last) {
|
|
_STLP_PRIV __introsort_loop(__first, __last,
|
|
_STLP_VALUE_TYPE(__first, _RandomAccessIter),
|
|
_STLP_PRIV __lg(__last - __first) * 2, __comp);
|
|
_STLP_PRIV __final_insertion_sort(__first, __last, __comp);
|
|
}
|
|
}
|
|
|
|
// stable_sort() and its auxiliary functions.
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _RandomAccessIter, class _Compare>
|
|
void __inplace_stable_sort(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Compare __comp) {
|
|
if (__last - __first < 15) {
|
|
__insertion_sort(__first, __last, _STLP_VALUE_TYPE(__first,_RandomAccessIter), __comp);
|
|
return;
|
|
}
|
|
_RandomAccessIter __middle = __first + (__last - __first) / 2;
|
|
__inplace_stable_sort(__first, __middle, __comp);
|
|
__inplace_stable_sort(__middle, __last, __comp);
|
|
__merge_without_buffer(__first, __middle, __last,
|
|
__middle - __first,
|
|
__last - __middle,
|
|
__comp);
|
|
}
|
|
|
|
template <class _RandomAccessIter1, class _RandomAccessIter2,
|
|
class _Distance, class _Compare>
|
|
void __merge_sort_loop(_RandomAccessIter1 __first,
|
|
_RandomAccessIter1 __last,
|
|
_RandomAccessIter2 __result, _Distance __step_size,
|
|
_Compare __comp) {
|
|
_Distance __two_step = 2 * __step_size;
|
|
|
|
while (__last - __first >= __two_step) {
|
|
__result = merge(__first, __first + __step_size,
|
|
__first + __step_size, __first + __two_step,
|
|
__result,
|
|
__comp);
|
|
__first += __two_step;
|
|
}
|
|
__step_size = (min) (_Distance(__last - __first), __step_size);
|
|
|
|
merge(__first, __first + __step_size,
|
|
__first + __step_size, __last,
|
|
__result,
|
|
__comp);
|
|
}
|
|
|
|
const int __stl_chunk_size = 7;
|
|
|
|
template <class _RandomAccessIter, class _Distance, class _Compare>
|
|
void __chunk_insertion_sort(_RandomAccessIter __first,
|
|
_RandomAccessIter __last,
|
|
_Distance __chunk_size, _Compare __comp) {
|
|
while (__last - __first >= __chunk_size) {
|
|
__insertion_sort(__first, __first + __chunk_size,
|
|
_STLP_VALUE_TYPE(__first,_RandomAccessIter), __comp);
|
|
__first += __chunk_size;
|
|
}
|
|
__insertion_sort(__first, __last, _STLP_VALUE_TYPE(__first,_RandomAccessIter), __comp);
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Pointer, class _Distance,
|
|
class _Compare>
|
|
void __merge_sort_with_buffer(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Pointer __buffer,
|
|
_Distance*, _Compare __comp) {
|
|
_Distance __len = __last - __first;
|
|
_Pointer __buffer_last = __buffer + __len;
|
|
|
|
_Distance __step_size = __stl_chunk_size;
|
|
__chunk_insertion_sort(__first, __last, __step_size, __comp);
|
|
|
|
while (__step_size < __len) {
|
|
__merge_sort_loop(__first, __last, __buffer, __step_size, __comp);
|
|
__step_size *= 2;
|
|
__merge_sort_loop(__buffer, __buffer_last, __first, __step_size, __comp);
|
|
__step_size *= 2;
|
|
}
|
|
}
|
|
|
|
template <class _BidirectionalIter1, class _BidirectionalIter2,
|
|
class _Distance>
|
|
_BidirectionalIter1 __rotate_adaptive(_BidirectionalIter1 __first,
|
|
_BidirectionalIter1 __middle,
|
|
_BidirectionalIter1 __last,
|
|
_Distance __len1, _Distance __len2,
|
|
_BidirectionalIter2 __buffer,
|
|
_Distance __buffer_size) {
|
|
if (__len1 > __len2 && __len2 <= __buffer_size) {
|
|
_BidirectionalIter2 __buffer_end = _STLP_STD::copy(__middle, __last, __buffer);
|
|
_STLP_STD::copy_backward(__first, __middle, __last);
|
|
return _STLP_STD::copy(__buffer, __buffer_end, __first);
|
|
}
|
|
else if (__len1 <= __buffer_size) {
|
|
_BidirectionalIter2 __buffer_end = _STLP_STD::copy(__first, __middle, __buffer);
|
|
_STLP_STD::copy(__middle, __last, __first);
|
|
return _STLP_STD::copy_backward(__buffer, __buffer_end, __last);
|
|
}
|
|
else
|
|
return _STLP_PRIV __rotate(__first, __middle, __last);
|
|
}
|
|
|
|
template <class _BidirectionalIter, class _Distance, class _Pointer,
|
|
class _Compare>
|
|
void __merge_adaptive(_BidirectionalIter __first,
|
|
_BidirectionalIter __middle,
|
|
_BidirectionalIter __last,
|
|
_Distance __len1, _Distance __len2,
|
|
_Pointer __buffer, _Distance __buffer_size,
|
|
_Compare __comp) {
|
|
if (__len1 <= __len2 && __len1 <= __buffer_size) {
|
|
_Pointer __buffer_end = _STLP_STD::copy(__first, __middle, __buffer);
|
|
_STLP_STD::merge(__buffer, __buffer_end, __middle, __last, __first, __comp);
|
|
}
|
|
else if (__len2 <= __buffer_size) {
|
|
_Pointer __buffer_end = _STLP_STD::copy(__middle, __last, __buffer);
|
|
_STLP_PRIV __merge_backward(__first, __middle, __buffer, __buffer_end, __last,
|
|
__comp);
|
|
}
|
|
else {
|
|
_BidirectionalIter __first_cut = __first;
|
|
_BidirectionalIter __second_cut = __middle;
|
|
_Distance __len11 = 0;
|
|
_Distance __len22 = 0;
|
|
if (__len1 > __len2) {
|
|
__len11 = __len1 / 2;
|
|
_STLP_STD::advance(__first_cut, __len11);
|
|
__second_cut = _STLP_STD::lower_bound(__middle, __last, *__first_cut, __comp);
|
|
__len22 += _STLP_STD::distance(__middle, __second_cut);
|
|
}
|
|
else {
|
|
__len22 = __len2 / 2;
|
|
_STLP_STD::advance(__second_cut, __len22);
|
|
__first_cut = _STLP_STD::upper_bound(__first, __middle, *__second_cut, __comp);
|
|
__len11 += _STLP_STD::distance(__first, __first_cut);
|
|
}
|
|
_BidirectionalIter __new_middle =
|
|
__rotate_adaptive(__first_cut, __middle, __second_cut, __len1 - __len11,
|
|
__len22, __buffer, __buffer_size);
|
|
__merge_adaptive(__first, __first_cut, __new_middle, __len11,
|
|
__len22, __buffer, __buffer_size, __comp);
|
|
__merge_adaptive(__new_middle, __second_cut, __last, __len1 - __len11,
|
|
__len2 - __len22, __buffer, __buffer_size, __comp);
|
|
}
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Pointer, class _Distance,
|
|
class _Compare>
|
|
void __stable_sort_adaptive(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Pointer __buffer,
|
|
_Distance __buffer_size, _Compare __comp) {
|
|
_Distance __len = (__last - __first + 1) / 2;
|
|
_RandomAccessIter __middle = __first + __len;
|
|
if (__len > __buffer_size) {
|
|
__stable_sort_adaptive(__first, __middle, __buffer, __buffer_size,
|
|
__comp);
|
|
__stable_sort_adaptive(__middle, __last, __buffer, __buffer_size,
|
|
__comp);
|
|
}
|
|
else {
|
|
__merge_sort_with_buffer(__first, __middle, __buffer, (_Distance*)0,
|
|
__comp);
|
|
__merge_sort_with_buffer(__middle, __last, __buffer, (_Distance*)0,
|
|
__comp);
|
|
}
|
|
__merge_adaptive(__first, __middle, __last, _Distance(__middle - __first),
|
|
_Distance(__last - __middle), __buffer, __buffer_size,
|
|
__comp);
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Distance, class _Compare>
|
|
void __stable_sort_aux(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Tp*, _Distance*,
|
|
_Compare __comp) {
|
|
_Temporary_buffer<_RandomAccessIter, _Tp> buf(__first, __last);
|
|
if (buf.begin() == 0)
|
|
__inplace_stable_sort(__first, __last, __comp);
|
|
else
|
|
__stable_sort_adaptive(__first, __last, buf.begin(),
|
|
_Distance(buf.size()),
|
|
__comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _RandomAccessIter>
|
|
void stable_sort(_RandomAccessIter __first,
|
|
_RandomAccessIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_STLP_PRIV __stable_sort_aux(__first, __last,
|
|
_STLP_VALUE_TYPE(__first, _RandomAccessIter),
|
|
_STLP_DISTANCE_TYPE(__first, _RandomAccessIter),
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _RandomAccessIter)));
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Compare>
|
|
void stable_sort(_RandomAccessIter __first,
|
|
_RandomAccessIter __last, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_STLP_PRIV __stable_sort_aux(__first, __last,
|
|
_STLP_VALUE_TYPE(__first, _RandomAccessIter),
|
|
_STLP_DISTANCE_TYPE(__first, _RandomAccessIter),
|
|
__comp);
|
|
}
|
|
|
|
// partial_sort, partial_sort_copy, and auxiliary functions.
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Compare>
|
|
void __partial_sort(_RandomAccessIter __first, _RandomAccessIter __middle,
|
|
_RandomAccessIter __last, _Tp*, _Compare __comp) {
|
|
make_heap(__first, __middle, __comp);
|
|
for (_RandomAccessIter __i = __middle; __i < __last; ++__i) {
|
|
if (__comp(*__i, *__first)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first, *__i), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__pop_heap(__first, __middle, __i, _Tp(*__i), __comp,
|
|
_STLP_DISTANCE_TYPE(__first, _RandomAccessIter));
|
|
}
|
|
}
|
|
sort_heap(__first, __middle, __comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _RandomAccessIter>
|
|
void partial_sort(_RandomAccessIter __first,_RandomAccessIter __middle,
|
|
_RandomAccessIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __middle))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__middle, __last))
|
|
_STLP_PRIV __partial_sort(__first, __middle, __last, _STLP_VALUE_TYPE(__first, _RandomAccessIter),
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _RandomAccessIter)));
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Compare>
|
|
void partial_sort(_RandomAccessIter __first,_RandomAccessIter __middle,
|
|
_RandomAccessIter __last, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __middle))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__middle, __last))
|
|
_STLP_PRIV __partial_sort(__first, __middle, __last, _STLP_VALUE_TYPE(__first, _RandomAccessIter), __comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _InputIter, class _RandomAccessIter, class _Compare,
|
|
class _Distance, class _Tp>
|
|
_RandomAccessIter __partial_sort_copy(_InputIter __first,
|
|
_InputIter __last,
|
|
_RandomAccessIter __result_first,
|
|
_RandomAccessIter __result_last,
|
|
_Compare __comp, _Distance*, _Tp*) {
|
|
if (__result_first == __result_last) return __result_last;
|
|
_RandomAccessIter __result_real_last = __result_first;
|
|
while(__first != __last && __result_real_last != __result_last) {
|
|
*__result_real_last = *__first;
|
|
++__result_real_last;
|
|
++__first;
|
|
}
|
|
make_heap(__result_first, __result_real_last, __comp);
|
|
while (__first != __last) {
|
|
if (__comp(*__first, *__result_first)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__result_first, *__first), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__adjust_heap(__result_first, _Distance(0),
|
|
_Distance(__result_real_last - __result_first),
|
|
_Tp(*__first),
|
|
__comp);
|
|
}
|
|
++__first;
|
|
}
|
|
sort_heap(__result_first, __result_real_last, __comp);
|
|
return __result_real_last;
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter, class _RandomAccessIter>
|
|
_RandomAccessIter
|
|
partial_sort_copy(_InputIter __first, _InputIter __last,
|
|
_RandomAccessIter __result_first, _RandomAccessIter __result_last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__result_first, __result_last))
|
|
return _STLP_PRIV __partial_sort_copy(__first, __last, __result_first, __result_last,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _InputIter)),
|
|
_STLP_DISTANCE_TYPE(__result_first, _RandomAccessIter),
|
|
_STLP_VALUE_TYPE(__first, _InputIter));
|
|
}
|
|
|
|
template <class _InputIter, class _RandomAccessIter, class _Compare>
|
|
_RandomAccessIter
|
|
partial_sort_copy(_InputIter __first, _InputIter __last,
|
|
_RandomAccessIter __result_first,
|
|
_RandomAccessIter __result_last, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__result_first, __result_last))
|
|
return _STLP_PRIV __partial_sort_copy(__first, __last, __result_first, __result_last,
|
|
__comp,
|
|
_STLP_DISTANCE_TYPE(__result_first, _RandomAccessIter),
|
|
_STLP_VALUE_TYPE(__first, _InputIter));
|
|
}
|
|
|
|
// nth_element() and its auxiliary functions.
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _RandomAccessIter, class _Tp, class _Compare>
|
|
void __nth_element(_RandomAccessIter __first, _RandomAccessIter __nth,
|
|
_RandomAccessIter __last, _Tp*, _Compare __comp) {
|
|
while (__last - __first > 3) {
|
|
_RandomAccessIter __cut =
|
|
__unguarded_partition(__first, __last,
|
|
_Tp(__median(*__first,
|
|
*(__first + (__last - __first)/2),
|
|
*(__last - 1),
|
|
__comp)),
|
|
__comp);
|
|
if (__cut <= __nth)
|
|
__first = __cut;
|
|
else
|
|
__last = __cut;
|
|
}
|
|
__insertion_sort(__first, __last, _STLP_VALUE_TYPE(__first,_RandomAccessIter), __comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _RandomAccessIter>
|
|
void nth_element(_RandomAccessIter __first, _RandomAccessIter __nth,
|
|
_RandomAccessIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __nth))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__nth, __last))
|
|
_STLP_PRIV __nth_element(__first, __nth, __last, _STLP_VALUE_TYPE(__first, _RandomAccessIter),
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _RandomAccessIter)));
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Compare>
|
|
void nth_element(_RandomAccessIter __first, _RandomAccessIter __nth,
|
|
_RandomAccessIter __last, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __nth))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__nth, __last))
|
|
_STLP_PRIV __nth_element(__first, __nth, __last, _STLP_VALUE_TYPE(__first, _RandomAccessIter), __comp);
|
|
}
|
|
|
|
// Binary search (lower_bound, upper_bound, equal_range, binary_search).
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _ForwardIter, class _Tp,
|
|
class _Compare1, class _Compare2, class _Distance>
|
|
_ForwardIter __upper_bound(_ForwardIter __first, _ForwardIter __last, const _Tp& __val,
|
|
_Compare1 __comp1, _Compare2 __comp2, _Distance*) {
|
|
_Distance __len = _STLP_STD::distance(__first, __last);
|
|
_Distance __half;
|
|
|
|
while (__len > 0) {
|
|
__half = __len >> 1;
|
|
_ForwardIter __middle = __first;
|
|
_STLP_STD::advance(__middle, __half);
|
|
if (__comp2(__val, *__middle)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp1(*__middle, __val), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__len = __half;
|
|
}
|
|
else {
|
|
__first = __middle;
|
|
++__first;
|
|
__len = __len - __half - 1;
|
|
}
|
|
}
|
|
return __first;
|
|
}
|
|
|
|
template <class _ForwardIter, class _Tp,
|
|
class _Compare1, class _Compare2, class _Distance>
|
|
pair<_ForwardIter, _ForwardIter>
|
|
__equal_range(_ForwardIter __first, _ForwardIter __last, const _Tp& __val,
|
|
_Compare1 __comp1, _Compare2 __comp2, _Distance* __dist) {
|
|
_Distance __len = _STLP_STD::distance(__first, __last);
|
|
_Distance __half;
|
|
|
|
while (__len > 0) {
|
|
__half = __len >> 1;
|
|
_ForwardIter __middle = __first;
|
|
_STLP_STD::advance(__middle, __half);
|
|
if (__comp1(*__middle, __val)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp2(__val, *__middle), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__first = __middle;
|
|
++__first;
|
|
__len = __len - __half - 1;
|
|
}
|
|
else if (__comp2(__val, *__middle)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp1(*__middle, __val), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__len = __half;
|
|
}
|
|
else {
|
|
_ForwardIter __left = _STLP_PRIV __lower_bound(__first, __middle, __val, __comp1, __comp2, __dist);
|
|
//Small optim: If lower_bound haven't found an equivalent value
|
|
//there is no need to call upper_bound.
|
|
if (__comp1(*__left, __val)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp2(__val, *__left), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
return pair<_ForwardIter, _ForwardIter>(__left, __left);
|
|
}
|
|
_STLP_STD::advance(__first, __len);
|
|
_ForwardIter __right = _STLP_PRIV __upper_bound(++__middle, __first, __val, __comp1, __comp2, __dist);
|
|
return pair<_ForwardIter, _ForwardIter>(__left, __right);
|
|
}
|
|
}
|
|
return pair<_ForwardIter, _ForwardIter>(__first, __first);
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter>
|
|
_OutputIter merge(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
|
|
while (__first1 != __last1 && __first2 != __last2) {
|
|
if (*__first2 < *__first1) {
|
|
*__result = *__first2;
|
|
++__first2;
|
|
}
|
|
else {
|
|
*__result = *__first1;
|
|
++__first1;
|
|
}
|
|
++__result;
|
|
}
|
|
return _STLP_STD::copy(__first2, __last2, _STLP_STD::copy(__first1, __last1, __result));
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter,
|
|
class _Compare>
|
|
_OutputIter merge(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
|
|
while (__first1 != __last1 && __first2 != __last2) {
|
|
if (__comp(*__first2, *__first1)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first1, *__first2), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
*__result = *__first2;
|
|
++__first2;
|
|
}
|
|
else {
|
|
*__result = *__first1;
|
|
++__first1;
|
|
}
|
|
++__result;
|
|
}
|
|
return _STLP_STD::copy(__first2, __last2, _STLP_STD::copy(__first1, __last1, __result));
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _BidirectionalIter, class _Distance, class _Compare>
|
|
void __merge_without_buffer(_BidirectionalIter __first,
|
|
_BidirectionalIter __middle,
|
|
_BidirectionalIter __last,
|
|
_Distance __len1, _Distance __len2,
|
|
_Compare __comp) {
|
|
if (__len1 == 0 || __len2 == 0)
|
|
return;
|
|
if (__len1 + __len2 == 2) {
|
|
if (__comp(*__middle, *__first)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first, *__middle), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
iter_swap(__first, __middle);
|
|
}
|
|
return;
|
|
}
|
|
_BidirectionalIter __first_cut = __first;
|
|
_BidirectionalIter __second_cut = __middle;
|
|
_Distance __len11 = 0;
|
|
_Distance __len22 = 0;
|
|
if (__len1 > __len2) {
|
|
__len11 = __len1 / 2;
|
|
_STLP_STD::advance(__first_cut, __len11);
|
|
__second_cut = _STLP_STD::lower_bound(__middle, __last, *__first_cut, __comp);
|
|
__len22 += _STLP_STD::distance(__middle, __second_cut);
|
|
}
|
|
else {
|
|
__len22 = __len2 / 2;
|
|
_STLP_STD::advance(__second_cut, __len22);
|
|
__first_cut = _STLP_STD::upper_bound(__first, __middle, *__second_cut, __comp);
|
|
__len11 += _STLP_STD::distance(__first, __first_cut);
|
|
}
|
|
_BidirectionalIter __new_middle
|
|
= _STLP_PRIV __rotate(__first_cut, __middle, __second_cut);
|
|
__merge_without_buffer(__first, __first_cut, __new_middle, __len11, __len22,
|
|
__comp);
|
|
__merge_without_buffer(__new_middle, __second_cut, __last, __len1 - __len11,
|
|
__len2 - __len22, __comp);
|
|
}
|
|
|
|
template <class _BidirectionalIter1, class _BidirectionalIter2,
|
|
class _BidirectionalIter3, class _Compare>
|
|
_BidirectionalIter3 __merge_backward(_BidirectionalIter1 __first1,
|
|
_BidirectionalIter1 __last1,
|
|
_BidirectionalIter2 __first2,
|
|
_BidirectionalIter2 __last2,
|
|
_BidirectionalIter3 __result,
|
|
_Compare __comp) {
|
|
if (__first1 == __last1)
|
|
return copy_backward(__first2, __last2, __result);
|
|
if (__first2 == __last2)
|
|
return copy_backward(__first1, __last1, __result);
|
|
--__last1;
|
|
--__last2;
|
|
for (;;) {
|
|
if (__comp(*__last2, *__last1)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__last1, *__last2), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
*--__result = *__last1;
|
|
if (__first1 == __last1)
|
|
return copy_backward(__first2, ++__last2, __result);
|
|
--__last1;
|
|
}
|
|
else {
|
|
*--__result = *__last2;
|
|
if (__first2 == __last2)
|
|
return copy_backward(__first1, ++__last1, __result);
|
|
--__last2;
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _BidirectionalIter, class _Tp,
|
|
class _Distance, class _Compare>
|
|
inline void __inplace_merge_aux(_BidirectionalIter __first,
|
|
_BidirectionalIter __middle,
|
|
_BidirectionalIter __last, _Tp*, _Distance*,
|
|
_Compare __comp) {
|
|
_Distance __len1 = _STLP_STD::distance(__first, __middle);
|
|
_Distance __len2 = _STLP_STD::distance(__middle, __last);
|
|
|
|
_Temporary_buffer<_BidirectionalIter, _Tp> __buf(__first, __last);
|
|
if (__buf.begin() == 0)
|
|
__merge_without_buffer(__first, __middle, __last, __len1, __len2, __comp);
|
|
else
|
|
__merge_adaptive(__first, __middle, __last, __len1, __len2,
|
|
__buf.begin(), _Distance(__buf.size()),
|
|
__comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _BidirectionalIter>
|
|
void inplace_merge(_BidirectionalIter __first,
|
|
_BidirectionalIter __middle,
|
|
_BidirectionalIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __middle))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__middle, __last))
|
|
if (__first == __middle || __middle == __last)
|
|
return;
|
|
_STLP_PRIV __inplace_merge_aux(__first, __middle, __last,
|
|
_STLP_VALUE_TYPE(__first, _BidirectionalIter), _STLP_DISTANCE_TYPE(__first, _BidirectionalIter),
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _BidirectionalIter)));
|
|
}
|
|
|
|
template <class _BidirectionalIter, class _Compare>
|
|
void inplace_merge(_BidirectionalIter __first,
|
|
_BidirectionalIter __middle,
|
|
_BidirectionalIter __last, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __middle))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__middle, __last))
|
|
if (__first == __middle || __middle == __last)
|
|
return;
|
|
_STLP_PRIV __inplace_merge_aux(__first, __middle, __last,
|
|
_STLP_VALUE_TYPE(__first, _BidirectionalIter), _STLP_DISTANCE_TYPE(__first, _BidirectionalIter),
|
|
__comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _Compare>
|
|
bool __includes(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
|
|
while (__first1 != __last1 && __first2 != __last2)
|
|
if (__comp(*__first2, *__first1)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first1, *__first2), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
return false;
|
|
}
|
|
else if (__comp(*__first1, *__first2))
|
|
++__first1;
|
|
else
|
|
++__first1, ++__first2;
|
|
|
|
return __first2 == __last2;
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _Compare>
|
|
bool includes(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2, _Compare __comp) {
|
|
return _STLP_PRIV __includes(__first1, __last1, __first2, __last2, __comp);
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2>
|
|
bool includes(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2) {
|
|
return _STLP_PRIV __includes(__first1, __last1, __first2, __last2,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first1, _InputIter1)));
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter,
|
|
class _Compare>
|
|
_OutputIter __set_union(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
|
|
while (__first1 != __last1 && __first2 != __last2) {
|
|
if (__comp(*__first1, *__first2)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first2, *__first1), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
*__result = *__first1;
|
|
++__first1;
|
|
}
|
|
else if (__comp(*__first2, *__first1)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first1, *__first2), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
*__result = *__first2;
|
|
++__first2;
|
|
}
|
|
else {
|
|
*__result = *__first1;
|
|
++__first1;
|
|
++__first2;
|
|
}
|
|
++__result;
|
|
}
|
|
return _STLP_STD::copy(__first2, __last2, _STLP_STD::copy(__first1, __last1, __result));
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter>
|
|
_OutputIter set_union(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result) {
|
|
return _STLP_PRIV __set_union(__first1, __last1, __first2, __last2, __result,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first1, _InputIter1)));
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter,
|
|
class _Compare>
|
|
_OutputIter set_union(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
return _STLP_PRIV __set_union(__first1, __last1, __first2, __last2, __result, __comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter,
|
|
class _Compare>
|
|
_OutputIter __set_intersection(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
|
|
while (__first1 != __last1 && __first2 != __last2)
|
|
if (__comp(*__first1, *__first2)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first2, *__first1), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
++__first1;
|
|
}
|
|
else if (__comp(*__first2, *__first1))
|
|
++__first2;
|
|
else {
|
|
*__result = *__first1;
|
|
++__first1;
|
|
++__first2;
|
|
++__result;
|
|
}
|
|
return __result;
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter>
|
|
_OutputIter set_intersection(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result) {
|
|
return _STLP_PRIV __set_intersection(__first1, __last1, __first2, __last2, __result,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first1, _InputIter1)));
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter,
|
|
class _Compare>
|
|
_OutputIter set_intersection(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
return _STLP_PRIV __set_intersection(__first1, __last1, __first2, __last2, __result, __comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter,
|
|
class _Compare>
|
|
_OutputIter __set_difference(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
|
|
while (__first1 != __last1 && __first2 != __last2)
|
|
if (__comp(*__first1, *__first2)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first2, *__first1), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
*__result = *__first1;
|
|
++__first1;
|
|
++__result;
|
|
}
|
|
else if (__comp(*__first2, *__first1))
|
|
++__first2;
|
|
else {
|
|
++__first1;
|
|
++__first2;
|
|
}
|
|
return _STLP_STD::copy(__first1, __last1, __result);
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter>
|
|
_OutputIter set_difference(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result) {
|
|
return _STLP_PRIV __set_difference(__first1, __last1, __first2, __last2, __result,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first1, _InputIter1)));
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter,
|
|
class _Compare>
|
|
_OutputIter set_difference(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
return _STLP_PRIV __set_difference(__first1, __last1, __first2, __last2, __result, __comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter, class _Compare>
|
|
_OutputIter
|
|
__set_symmetric_difference(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result, _Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
|
|
while (__first1 != __last1 && __first2 != __last2) {
|
|
if (__comp(*__first1, *__first2)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first2, *__first1), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
*__result = *__first1;
|
|
++__first1;
|
|
++__result;
|
|
}
|
|
else if (__comp(*__first2, *__first1)) {
|
|
*__result = *__first2;
|
|
++__first2;
|
|
++__result;
|
|
}
|
|
else {
|
|
++__first1;
|
|
++__first2;
|
|
}
|
|
}
|
|
return _STLP_STD::copy(__first2, __last2, _STLP_STD::copy(__first1, __last1, __result));
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter>
|
|
_OutputIter
|
|
set_symmetric_difference(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result) {
|
|
return _STLP_PRIV __set_symmetric_difference(__first1, __last1, __first2, __last2, __result,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first1, _InputIter1)));
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _OutputIter, class _Compare>
|
|
_OutputIter
|
|
set_symmetric_difference(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_OutputIter __result,
|
|
_Compare __comp) {
|
|
return _STLP_PRIV __set_symmetric_difference(__first1, __last1, __first2, __last2, __result, __comp);
|
|
}
|
|
|
|
// min_element and max_element, with and without an explicitly supplied
|
|
// comparison function.
|
|
|
|
template <class _ForwardIter>
|
|
_ForwardIter max_element(_ForwardIter __first, _ForwardIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last) return __first;
|
|
_ForwardIter __result = __first;
|
|
while (++__first != __last)
|
|
if (*__result < *__first) {
|
|
_STLP_VERBOSE_ASSERT(!(*__first < *__result), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__result = __first;
|
|
}
|
|
return __result;
|
|
}
|
|
|
|
template <class _ForwardIter, class _Compare>
|
|
_ForwardIter max_element(_ForwardIter __first, _ForwardIter __last,
|
|
_Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last) return __first;
|
|
_ForwardIter __result = __first;
|
|
while (++__first != __last) {
|
|
if (__comp(*__result, *__first)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first, *__result), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__result = __first;
|
|
}
|
|
}
|
|
return __result;
|
|
}
|
|
|
|
template <class _ForwardIter>
|
|
_ForwardIter min_element(_ForwardIter __first, _ForwardIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last) return __first;
|
|
_ForwardIter __result = __first;
|
|
while (++__first != __last)
|
|
if (*__first < *__result) {
|
|
_STLP_VERBOSE_ASSERT(!(*__result < *__first), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__result = __first;
|
|
}
|
|
return __result;
|
|
}
|
|
|
|
template <class _ForwardIter, class _Compare>
|
|
_ForwardIter min_element(_ForwardIter __first, _ForwardIter __last,
|
|
_Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last) return __first;
|
|
_ForwardIter __result = __first;
|
|
while (++__first != __last) {
|
|
if (__comp(*__first, *__result)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__result, *__first), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
__result = __first;
|
|
}
|
|
}
|
|
return __result;
|
|
}
|
|
|
|
// next_permutation and prev_permutation, with and without an explicitly
|
|
// supplied comparison function.
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _BidirectionalIter, class _Compare>
|
|
bool __next_permutation(_BidirectionalIter __first, _BidirectionalIter __last,
|
|
_Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last)
|
|
return false;
|
|
_BidirectionalIter __i = __first;
|
|
++__i;
|
|
if (__i == __last)
|
|
return false;
|
|
__i = __last;
|
|
--__i;
|
|
|
|
for(;;) {
|
|
_BidirectionalIter __ii = __i;
|
|
--__i;
|
|
if (__comp(*__i, *__ii)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__ii, *__i), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
_BidirectionalIter __j = __last;
|
|
while (!__comp(*__i, *--__j)) {}
|
|
iter_swap(__i, __j);
|
|
reverse(__ii, __last);
|
|
return true;
|
|
}
|
|
if (__i == __first) {
|
|
reverse(__first, __last);
|
|
return false;
|
|
}
|
|
}
|
|
#if defined (_STLP_NEED_UNREACHABLE_RETURN)
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _BidirectionalIter>
|
|
bool next_permutation(_BidirectionalIter __first, _BidirectionalIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
return _STLP_PRIV __next_permutation(__first, __last,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _BidirectionalIter)));
|
|
}
|
|
|
|
template <class _BidirectionalIter, class _Compare>
|
|
bool next_permutation(_BidirectionalIter __first, _BidirectionalIter __last,
|
|
_Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
return _STLP_PRIV __next_permutation(__first, __last, __comp);
|
|
}
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _BidirectionalIter, class _Compare>
|
|
bool __prev_permutation(_BidirectionalIter __first, _BidirectionalIter __last,
|
|
_Compare __comp) {
|
|
if (__first == __last)
|
|
return false;
|
|
_BidirectionalIter __i = __first;
|
|
++__i;
|
|
if (__i == __last)
|
|
return false;
|
|
__i = __last;
|
|
--__i;
|
|
|
|
for(;;) {
|
|
_BidirectionalIter __ii = __i;
|
|
--__i;
|
|
if (__comp(*__ii, *__i)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__i, *__ii), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
_BidirectionalIter __j = __last;
|
|
while (!__comp(*--__j, *__i)) {}
|
|
iter_swap(__i, __j);
|
|
reverse(__ii, __last);
|
|
return true;
|
|
}
|
|
if (__i == __first) {
|
|
reverse(__first, __last);
|
|
return false;
|
|
}
|
|
}
|
|
#if defined (_STLP_NEED_UNREACHABLE_RETURN)
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _BidirectionalIter>
|
|
bool prev_permutation(_BidirectionalIter __first, _BidirectionalIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
return _STLP_PRIV __prev_permutation(__first, __last,
|
|
_STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _BidirectionalIter)));
|
|
}
|
|
|
|
template <class _BidirectionalIter, class _Compare>
|
|
bool prev_permutation(_BidirectionalIter __first, _BidirectionalIter __last,
|
|
_Compare __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
return _STLP_PRIV __prev_permutation(__first, __last, __comp);
|
|
}
|
|
|
|
#if !defined (_STLP_NO_EXTENSIONS)
|
|
|
|
// is_heap, a predicate testing whether or not a range is
|
|
// a heap. This function is an extension, not part of the C++
|
|
// standard.
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _RandomAccessIter, class _Distance, class _StrictWeakOrdering>
|
|
bool __is_heap(_RandomAccessIter __first, _StrictWeakOrdering __comp,
|
|
_Distance __n) {
|
|
_Distance __parent = 0;
|
|
for (_Distance __child = 1; __child < __n; ++__child) {
|
|
if (__comp(__first[__parent], __first[__child])) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(__first[__child], __first[__parent]), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
return false;
|
|
}
|
|
if ((__child & 1) == 0)
|
|
++__parent;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
|
|
template <class _RandomAccessIter>
|
|
bool is_heap(_RandomAccessIter __first, _RandomAccessIter __last) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
return _STLP_PRIV __is_heap(__first, _STLP_PRIV __less(_STLP_VALUE_TYPE(__first, _RandomAccessIter)), __last - __first);
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _StrictWeakOrdering>
|
|
bool is_heap(_RandomAccessIter __first, _RandomAccessIter __last,
|
|
_StrictWeakOrdering __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
return _STLP_PRIV __is_heap(__first, __comp, __last - __first);
|
|
}
|
|
|
|
|
|
_STLP_MOVE_TO_PRIV_NAMESPACE
|
|
|
|
template <class _ForwardIter, class _StrictWeakOrdering>
|
|
bool __is_sorted(_ForwardIter __first, _ForwardIter __last,
|
|
_StrictWeakOrdering __comp) {
|
|
_STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
|
|
if (__first == __last)
|
|
return true;
|
|
|
|
_ForwardIter __next = __first;
|
|
for (++__next; __next != __last; __first = __next, ++__next) {
|
|
if (__comp(*__next, *__first)) {
|
|
_STLP_VERBOSE_ASSERT(!__comp(*__first, *__next), _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
_STLP_MOVE_TO_STD_NAMESPACE
|
|
#endif /* _STLP_NO_EXTENSIONS */
|
|
|
|
_STLP_END_NAMESPACE
|
|
|
|
#undef __stl_threshold
|
|
|
|
#endif /* _STLP_ALGO_C */
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|