epoc32/include/tools/stlport/stl/_algobase.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 /*
     2  *
     3  * Copyright (c) 1994
     4  * Hewlett-Packard Company
     5  *
     6  * Copyright (c) 1996,1997
     7  * Silicon Graphics Computer Systems, Inc.
     8  *
     9  * Copyright (c) 1997
    10  * Moscow Center for SPARC Technology
    11  *
    12  * Copyright (c) 1999
    13  * Boris Fomitchev
    14  *
    15  * This material is provided "as is", with absolutely no warranty expressed
    16  * or implied. Any use is at your own risk.
    17  *
    18  * Permission to use or copy this software for any purpose is hereby granted
    19  * without fee, provided the above notices are retained on all copies.
    20  * Permission to modify the code and to distribute modified code is granted,
    21  * provided the above notices are retained, and a notice that the code was
    22  * modified is included with the above copyright notice.
    23  *
    24  */
    25 
    26 /* NOTE: This is an internal header file, included by other STL headers.
    27  *   You should not attempt to use it directly.
    28  */
    29 
    30 #ifndef _STLP_INTERNAL_ALGOBASE_H
    31 #define _STLP_INTERNAL_ALGOBASE_H
    32 
    33 #ifndef _STLP_INTERNAL_CSTDDEF
    34 #  include <stl/_cstddef.h>
    35 #endif
    36 
    37 #ifndef _STLP_INTERNAL_CSTRING
    38 #  include <stl/_cstring.h>
    39 #endif
    40 
    41 #ifndef _STLP_CLIMITS
    42 #  include <climits>
    43 #endif
    44 
    45 #ifndef _STLP_INTERNAL_CSTDLIB
    46 #  include <stl/_cstdlib.h>
    47 #endif
    48 
    49 #ifndef _STLP_INTERNAL_PAIR_H
    50 #  include <stl/_pair.h>
    51 #endif
    52 
    53 #ifndef _STLP_INTERNAL_ITERATOR_BASE_H
    54 #  include <stl/_iterator_base.h>
    55 #endif
    56 
    57 #ifndef _STLP_TYPE_TRAITS_H
    58 #  include <stl/type_traits.h>
    59 #endif
    60 
    61 _STLP_BEGIN_NAMESPACE
    62 
    63 #if defined(_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined(_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
    64 _STLP_MOVE_TO_PRIV_NAMESPACE
    65 template <class _Tp>
    66 inline void __swap_aux(_Tp& __a, _Tp& __b, const __true_type& /*SwapImplemented*/) {
    67   __a.swap(__b);
    68 }
    69 
    70 template <class _Tp>
    71 inline void __swap_aux(_Tp& __a, _Tp& __b, const __false_type& /*SwapImplemented*/) {
    72   _Tp __tmp = __a;
    73   __a = __b;
    74   __b = __tmp;
    75 }
    76 _STLP_MOVE_TO_STD_NAMESPACE
    77 #endif /* _STLP_USE_PARTIAL_SPEC_WORKAROUND */
    78 
    79 // swap and iter_swap
    80 template <class _Tp>
    81 inline void swap(_Tp& __a, _Tp& __b) {
    82 #if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
    83 #  if !defined(__BORLANDC__)
    84   typedef typename _SwapImplemented<_Tp>::_Ret _Implemented;
    85 #  else
    86   enum { _Is = _SwapImplemented<_Tp>::_Is };
    87   typedef typename __bool2type<_Is>::_Ret _Implemented;
    88 #  endif
    89   _STLP_PRIV __swap_aux(__a, __b, _Implemented());
    90 #else
    91   _Tp __tmp = __a;
    92   __a = __b;
    93   __b = __tmp;
    94 #endif /* _STLP_USE_PARTIAL_SPEC_WORKAROUND */
    95 }
    96 
    97 _STLP_MOVE_TO_PRIV_NAMESPACE
    98 
    99 template <class _ForwardIter1, class _ForwardIter2, class _Value>
   100 inline void __iter_swap_aux_aux(_ForwardIter1& __i1, _ForwardIter2& __i2, _Value *) {
   101   _Value tmp = *__i1;
   102   *__i1 = *__i2;
   103   *__i2 = tmp;
   104 }
   105 
   106 template <class _ForwardIter1, class _ForwardIter2>
   107 inline void __iter_swap_aux(_ForwardIter1& __i1, _ForwardIter2& __i2, const __true_type& /*OKToSwap*/) {
   108   swap(*__i1, *__i2);
   109 }
   110 
   111 template <class _ForwardIter1, class _ForwardIter2>
   112 inline void __iter_swap_aux(_ForwardIter1& __i1, _ForwardIter2& __i2, const __false_type& /*OKToSwap*/) {
   113   __iter_swap_aux_aux( __i1, __i2, _STLP_VALUE_TYPE(__i1,_ForwardIter1) );
   114 }
   115 
   116 _STLP_MOVE_TO_STD_NAMESPACE
   117 
   118 template <class _ForwardIter1, class _ForwardIter2>
   119 inline void iter_swap(_ForwardIter1 __i1, _ForwardIter2 __i2) {
   120   // swap(*__i1, *__i2);
   121   _STLP_PRIV __iter_swap_aux( __i1, __i2, _IsOKToSwap(_STLP_VALUE_TYPE(__i1, _ForwardIter1), _STLP_VALUE_TYPE(__i2, _ForwardIter2),
   122                                                       _STLP_IS_REF_TYPE_REAL_REF(__i1, _ForwardIter1),
   123                                                       _STLP_IS_REF_TYPE_REAL_REF(__i2, _ForwardIter2))._Answer());
   124 }
   125 
   126 //--------------------------------------------------
   127 // min and max
   128 
   129 #if !defined (__BORLANDC__) || defined (_STLP_USE_OWN_NAMESPACE)
   130 #  if (defined (__BORLANDC__) && (__BORLANDC__ < 0x580)) && !defined (__STDC__)
   131 //In not ANSI mode Borland import min/max in global namespace which conflict
   132 //with STLport min/max when user does a 'using namespace std' in its code
   133 //(see test/unit/alg_test.cpp). To avoid this clash we simply import Borland min/max
   134 //in STLport namespace.
   135 using _STLP_VENDOR_STD::min;
   136 using _STLP_VENDOR_STD::max;
   137 #  else
   138 template <class _Tp>
   139 inline const _Tp& (min)(const _Tp& __a, const _Tp& __b) { return __b < __a ? __b : __a; }
   140 template <class _Tp>
   141 inline const _Tp& (max)(const _Tp& __a, const _Tp& __b) {  return  __a < __b ? __b : __a; }
   142 #  endif
   143 #endif
   144 
   145 # if defined (__BORLANDC__) && defined (_STLP_USE_OWN_NAMESPACE)
   146 inline unsigned long (min) (unsigned long __a, unsigned long __b) { return __b < __a ? __b : __a; }
   147 inline unsigned long (max) (unsigned long __a, unsigned long __b) {  return  __a < __b ? __b : __a; }
   148 # endif
   149 
   150 template <class _Tp, class _Compare>
   151 inline const _Tp& (min)(const _Tp& __a, const _Tp& __b, _Compare __comp) {
   152   return __comp(__b, __a) ? __b : __a;
   153 }
   154 
   155 template <class _Tp, class _Compare>
   156 inline const _Tp& (max)(const _Tp& __a, const _Tp& __b, _Compare __comp) {
   157   return __comp(__a, __b) ? __b : __a;
   158 }
   159 
   160 //--------------------------------------------------
   161 // copy
   162 
   163 // All of these auxiliary functions serve two purposes.  (1) Replace
   164 // calls to copy with memmove whenever possible.  (Memmove, not memcpy,
   165 // because the input and output ranges are permitted to overlap.)
   166 // (2) If we're using random access iterators, then write the loop as
   167 // a for loop with an explicit count.
   168 
   169 _STLP_MOVE_TO_PRIV_NAMESPACE
   170 
   171 template <class _InputIter, class _OutputIter, class _Distance>
   172 inline _OutputIter __copy(_InputIter __first, _InputIter __last,
   173                           _OutputIter __result, const input_iterator_tag &, _Distance*) {
   174   for ( ; __first != __last; ++__result, ++__first)
   175     *__result = *__first;
   176   return __result;
   177 }
   178 
   179 #if defined (_STLP_NONTEMPL_BASE_MATCH_BUG)
   180 template <class _InputIter, class _OutputIter, class _Distance>
   181 inline _OutputIter __copy(_InputIter __first, _InputIter __last,
   182                           _OutputIter __result, const forward_iterator_tag &, _Distance* ) {
   183   for ( ; __first != __last; ++__result, ++__first)
   184     *__result = *__first;
   185   return __result;
   186 }
   187 
   188 template <class _InputIter, class _OutputIter, class _Distance>
   189 inline _OutputIter __copy(_InputIter __first, _InputIter __last,
   190                           _OutputIter __result, const bidirectional_iterator_tag &, _Distance* ) {
   191   for ( ; __first != __last; ++__result, ++__first)
   192     *__result = *__first;
   193   return __result;
   194 }
   195 #endif
   196 
   197 template <class _RandomAccessIter, class _OutputIter, class _Distance>
   198 inline _OutputIter
   199 __copy(_RandomAccessIter __first, _RandomAccessIter __last,
   200        _OutputIter __result, const random_access_iterator_tag &, _Distance*) {
   201   for (_Distance __n = __last - __first; __n > 0; --__n) {
   202     *__result = *__first;
   203     ++__first;
   204     ++__result;
   205   }
   206   return __result;
   207 }
   208 
   209 inline void*
   210 __copy_trivial(const void* __first, const void* __last, void* __result) {
   211   size_t __n = (const char*)__last - (const char*)__first;
   212   return __n ? (void *)((char*)memmove(__result, __first, __n) + __n) : __result;
   213 }
   214 
   215 //--------------------------------------------------
   216 // copy_backward auxiliary functions
   217 
   218 template <class _BidirectionalIter1, class _BidirectionalIter2,
   219           class _Distance>
   220 inline _BidirectionalIter2 __copy_backward(_BidirectionalIter1 __first,
   221                                            _BidirectionalIter1 __last,
   222                                            _BidirectionalIter2 __result,
   223                                            const bidirectional_iterator_tag &,
   224                                            _Distance*) {
   225   while (__first != __last)
   226     *--__result = *--__last;
   227   return __result;
   228 }
   229 
   230 template <class _RandomAccessIter, class _BidirectionalIter, class _Distance>
   231 inline _BidirectionalIter __copy_backward(_RandomAccessIter __first,
   232                                           _RandomAccessIter __last,
   233                                           _BidirectionalIter __result,
   234                                           const random_access_iterator_tag &,
   235                                           _Distance*) {
   236   for (_Distance __n = __last - __first; __n > 0; --__n)
   237     *--__result = *--__last;
   238   return __result;
   239 }
   240 
   241 inline void*
   242 __copy_trivial_backward(const void* __first, const void* __last, void* __result) {
   243   const ptrdiff_t _Num = (const char*)__last - (const char*)__first;
   244   return (_Num > 0) ? memmove((char*)__result - _Num, __first, _Num) : __result ;
   245 }
   246 
   247 template <class _InputIter, class _OutputIter>
   248 inline _OutputIter __copy_ptrs(_InputIter __first, _InputIter __last, _OutputIter __result,
   249                                const __false_type& /*IsOKToMemCpy*/) {
   250   return __copy(__first, __last, __result, random_access_iterator_tag(), (ptrdiff_t*)0);
   251 }
   252 template <class _InputIter, class _OutputIter>
   253 inline _OutputIter __copy_ptrs(_InputIter __first, _InputIter __last, _OutputIter __result,
   254                                const __true_type& /*IsOKToMemCpy*/) {
   255   // we know they all pointers, so this cast is OK
   256   //  return (_OutputIter)__copy_trivial(&(*__first), &(*__last), &(*__result));
   257   return (_OutputIter)__copy_trivial(__first, __last, __result);
   258 }
   259 
   260 template <class _InputIter, class _OutputIter>
   261 inline _OutputIter __copy_aux(_InputIter __first, _InputIter __last, _OutputIter __result,
   262                               const __true_type& /*BothPtrType*/) {
   263   return __copy_ptrs(__first, __last, __result,
   264                      _UseTrivialCopy(_STLP_VALUE_TYPE(__first, _InputIter),
   265                                      _STLP_VALUE_TYPE(__result, _OutputIter))._Answer());
   266 }
   267 
   268 template <class _InputIter, class _OutputIter>
   269 inline _OutputIter __copy_aux(_InputIter __first, _InputIter __last, _OutputIter __result,
   270                               const __false_type& /*BothPtrType*/) {
   271   return __copy(__first, __last, __result,
   272                 _STLP_ITERATOR_CATEGORY(__first, _InputIter),
   273                 _STLP_DISTANCE_TYPE(__first, _InputIter));
   274 }
   275 
   276 _STLP_MOVE_TO_STD_NAMESPACE
   277 
   278 template <class _InputIter, class _OutputIter>
   279 inline _OutputIter copy(_InputIter __first, _InputIter __last, _OutputIter __result) {
   280   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
   281   return _STLP_PRIV __copy_aux(__first, __last, __result, _BothPtrType< _InputIter, _OutputIter>::_Answer());
   282 }
   283 
   284 _STLP_MOVE_TO_PRIV_NAMESPACE
   285 
   286 template <class _InputIter, class _OutputIter>
   287 inline _OutputIter __copy_backward_ptrs(_InputIter __first, _InputIter __last,
   288                                         _OutputIter __result, const __false_type& /*TrivialAssignment*/) {
   289   return __copy_backward(__first, __last, __result, _STLP_ITERATOR_CATEGORY(__first, _InputIter), _STLP_DISTANCE_TYPE(__first, _InputIter));
   290 }
   291 template <class _InputIter, class _OutputIter>
   292 inline _OutputIter __copy_backward_ptrs(_InputIter __first, _InputIter __last,
   293                                         _OutputIter __result, const __true_type& /*TrivialAssignment*/) {
   294   return (_OutputIter)__copy_trivial_backward(__first, __last, __result);
   295 }
   296 
   297 template <class _InputIter, class _OutputIter>
   298 inline _OutputIter __copy_backward_aux(_InputIter __first, _InputIter __last, _OutputIter __result, const __false_type&) {
   299   return __copy_backward(__first, __last, __result, _STLP_ITERATOR_CATEGORY(__first,_InputIter), _STLP_DISTANCE_TYPE(__first, _InputIter));
   300 }
   301 
   302 template <class _InputIter, class _OutputIter>
   303 inline _OutputIter __copy_backward_aux(_InputIter __first, _InputIter __last, _OutputIter __result, const __true_type&) {
   304   return __copy_backward_ptrs(__first, __last, __result,
   305                               _UseTrivialCopy(_STLP_VALUE_TYPE(__first, _InputIter),
   306                                               _STLP_VALUE_TYPE(__result, _OutputIter))._Answer());
   307 }
   308 
   309 _STLP_MOVE_TO_STD_NAMESPACE
   310 
   311 template <class _InputIter, class _OutputIter>
   312 inline _OutputIter copy_backward(_InputIter __first, _InputIter __last, _OutputIter __result) {
   313   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
   314   return _STLP_PRIV __copy_backward_aux(__first, __last, __result, _BothPtrType< _InputIter, _OutputIter>::_Answer() );
   315 }
   316 
   317 #if !defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) && !defined (_STLP_SIMULATE_PARTIAL_SPEC_FOR_TYPE_TRAITS)
   318 #  define _STLP_DECLARE_COPY_TRIVIAL(_Tp)                                       \
   319 inline _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result)          \
   320 { return (_Tp*)__copy_trivial(__first, __last, __result); }                     \
   321 inline _Tp* copy_backward(const _Tp* __first, const _Tp* __last, _Tp* __result) \
   322 { return (_Tp*)__copy_trivial_backward(__first, __last, __result); }
   323 
   324 _STLP_DECLARE_COPY_TRIVIAL(char)
   325 #  if !defined (_STLP_NO_SIGNED_BUILTINS)
   326 _STLP_DECLARE_COPY_TRIVIAL(signed char)
   327 #  endif
   328 _STLP_DECLARE_COPY_TRIVIAL(unsigned char)
   329 _STLP_DECLARE_COPY_TRIVIAL(short)
   330 _STLP_DECLARE_COPY_TRIVIAL(unsigned short)
   331 _STLP_DECLARE_COPY_TRIVIAL(int)
   332 _STLP_DECLARE_COPY_TRIVIAL(unsigned int)
   333 _STLP_DECLARE_COPY_TRIVIAL(long)
   334 _STLP_DECLARE_COPY_TRIVIAL(unsigned long)
   335 #  if !defined(_STLP_NO_WCHAR_T) && !defined (_STLP_WCHAR_T_IS_USHORT)
   336 _STLP_DECLARE_COPY_TRIVIAL(wchar_t)
   337 #  endif
   338 #  if defined (_STLP_LONG_LONG)
   339 _STLP_DECLARE_COPY_TRIVIAL(_STLP_LONG_LONG)
   340 _STLP_DECLARE_COPY_TRIVIAL(unsigned _STLP_LONG_LONG)
   341 #  endif
   342 _STLP_DECLARE_COPY_TRIVIAL(float)
   343 _STLP_DECLARE_COPY_TRIVIAL(double)
   344 #  if !defined (_STLP_NO_LONG_DOUBLE)
   345 _STLP_DECLARE_COPY_TRIVIAL(long double)
   346 #  endif
   347 #  undef _STLP_DECLARE_COPY_TRIVIAL
   348 #endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
   349 
   350 //--------------------------------------------------
   351 // copy_n (not part of the C++ standard)
   352 
   353 #if !defined (_STLP_NO_EXTENSIONS)
   354 _STLP_MOVE_TO_PRIV_NAMESPACE
   355 
   356 template <class _InputIter, class _Size, class _OutputIter>
   357 _STLP_INLINE_LOOP pair<_InputIter, _OutputIter>
   358 __copy_n(_InputIter __first, _Size __count,
   359          _OutputIter __result,
   360          const input_iterator_tag &) {
   361   for ( ; __count > 0; --__count) {
   362     *__result = *__first;
   363     ++__first;
   364     ++__result;
   365   }
   366   return pair<_InputIter, _OutputIter>(__first, __result);
   367 }
   368 
   369 template <class _RAIter, class _Size, class _OutputIter>
   370 inline pair<_RAIter, _OutputIter>
   371 __copy_n(_RAIter __first, _Size __count,
   372          _OutputIter __result,
   373          const random_access_iterator_tag &) {
   374   _RAIter __last = __first + __count;
   375   return pair<_RAIter, _OutputIter>(__last, copy(__first, __last, __result));
   376 }
   377 
   378 _STLP_MOVE_TO_STD_NAMESPACE
   379 
   380 template <class _InputIter, class _Size, class _OutputIter>
   381 inline pair<_InputIter, _OutputIter>
   382 copy_n(_InputIter __first, _Size __count, _OutputIter __result) {
   383   _STLP_FIX_LITERAL_BUG(__first)
   384   return _STLP_PRIV __copy_n(__first, __count, __result, _STLP_ITERATOR_CATEGORY(__first, _InputIter));
   385 }
   386 #endif
   387 
   388 //--------------------------------------------------
   389 // fill and fill_n
   390 template <class _ForwardIter, class _Tp>
   391 _STLP_INLINE_LOOP
   392 void fill(_ForwardIter __first, _ForwardIter __last, const _Tp& __val) {
   393   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
   394   for ( ; __first != __last; ++__first)
   395     *__first = __val;
   396 }
   397 
   398 _STLP_MOVE_TO_PRIV_NAMESPACE
   399 
   400 template <class _OutputIter, class _Size, class _Tp>
   401 _STLP_INLINE_LOOP
   402 _OutputIter __fill_n(_OutputIter __first, _Size __n, const _Tp& __val) {
   403   _STLP_FIX_LITERAL_BUG(__first)
   404   for ( ; __n > 0; --__n, ++__first)
   405     *__first = __val;
   406   return __first;
   407 }
   408 
   409 _STLP_MOVE_TO_STD_NAMESPACE
   410 
   411 template <class _OutputIter, class _Size, class _Tp>
   412 _STLP_INLINE_LOOP
   413 void fill_n(_OutputIter __first, _Size __n, const _Tp& __val) {
   414   _STLP_FIX_LITERAL_BUG(__first)
   415   _STLP_PRIV __fill_n(__first, __n, __val);
   416 }
   417 
   418 // Specialization: for one-byte types we can use memset.
   419 inline void fill(unsigned char* __first, unsigned char* __last,
   420                  const unsigned char& __val) {
   421   unsigned char __tmp = __val;
   422   memset(__first, __tmp, __last - __first);
   423 }
   424 #if !defined (_STLP_NO_SIGNED_BUILTINS)
   425 inline void fill(signed char* __first, signed char* __last,
   426                  const signed char& __val) {
   427   signed char __tmp = __val;
   428   memset(__first, __STATIC_CAST(unsigned char,__tmp), __last - __first);
   429 }
   430 #endif
   431 inline void fill(char* __first, char* __last, const char& __val) {
   432   char __tmp = __val;
   433   memset(__first, __STATIC_CAST(unsigned char,__tmp), __last - __first);
   434 }
   435 
   436 #if defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
   437 _STLP_MOVE_TO_PRIV_NAMESPACE
   438 
   439 template <class _Size>
   440 inline unsigned char* __fill_n(unsigned char* __first, _Size __n,
   441                              const unsigned char& __val) {
   442   fill(__first, __first + __n, __val);
   443   return __first + __n;
   444 }
   445 
   446 template <class _Size>
   447 inline signed char* __fill_n(char* __first, _Size __n,
   448                            const signed char& __val) {
   449   fill(__first, __first + __n, __val);
   450   return __first + __n;
   451 }
   452 
   453 template <class _Size>
   454 inline char* __fill_n(char* __first, _Size __n, const char& __val) {
   455   fill(__first, __first + __n, __val);
   456   return __first + __n;
   457 }
   458 
   459 _STLP_MOVE_TO_STD_NAMESPACE
   460 #endif /* _STLP_FUNCTION_TMPL_PARTIAL_ORDER */
   461 
   462 
   463 //--------------------------------------------------
   464 // equal and mismatch
   465 
   466 template <class _InputIter1, class _InputIter2>
   467 _STLP_INLINE_LOOP
   468 pair<_InputIter1, _InputIter2> mismatch(_InputIter1 __first1,
   469                                         _InputIter1 __last1,
   470                                         _InputIter2 __first2) {
   471   _STLP_FIX_LITERAL_BUG(__first2)
   472   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
   473   while (__first1 != __last1 && *__first1 == *__first2) {
   474     ++__first1;
   475     ++__first2;
   476   }
   477   return pair<_InputIter1, _InputIter2>(__first1, __first2);
   478 }
   479 
   480 template <class _InputIter1, class _InputIter2, class _BinaryPredicate>
   481 _STLP_INLINE_LOOP
   482 pair<_InputIter1, _InputIter2> mismatch(_InputIter1 __first1,
   483                                         _InputIter1 __last1,
   484                                         _InputIter2 __first2,
   485                                         _BinaryPredicate __binary_pred) {
   486   _STLP_FIX_LITERAL_BUG(__first2)
   487   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
   488   while (__first1 != __last1 && __binary_pred(*__first1, *__first2)) {
   489     ++__first1;
   490     ++__first2;
   491   }
   492   return pair<_InputIter1, _InputIter2>(__first1, __first2);
   493 }
   494 
   495 template <class _InputIter1, class _InputIter2>
   496 _STLP_INLINE_LOOP
   497 bool equal(_InputIter1 __first1, _InputIter1 __last1,
   498                   _InputIter2 __first2) {
   499   _STLP_FIX_LITERAL_BUG(__first1) _STLP_FIX_LITERAL_BUG(__last1)  _STLP_FIX_LITERAL_BUG(__first2)
   500   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
   501   for ( ; __first1 != __last1; ++__first1, ++__first2)
   502     if (!(*__first1 == *__first2))
   503       return false;
   504   return true;
   505 }
   506 
   507 template <class _InputIter1, class _InputIter2, class _BinaryPredicate>
   508 _STLP_INLINE_LOOP
   509 bool equal(_InputIter1 __first1, _InputIter1 __last1,
   510                   _InputIter2 __first2, _BinaryPredicate __binary_pred) {
   511   _STLP_FIX_LITERAL_BUG(__first2)
   512   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
   513   for ( ; __first1 != __last1; ++__first1, ++__first2)
   514     if (!__binary_pred(*__first1, *__first2))
   515       return false;
   516   return true;
   517 }
   518 
   519 //--------------------------------------------------
   520 // lexicographical_compare and lexicographical_compare_3way.
   521 // (the latter is not part of the C++ standard.)
   522 
   523 template <class _InputIter1, class _InputIter2>
   524 bool lexicographical_compare(_InputIter1 __first1, _InputIter1 __last1,
   525                              _InputIter2 __first2, _InputIter2 __last2);
   526 
   527 template <class _InputIter1, class _InputIter2, class _Compare>
   528 bool lexicographical_compare(_InputIter1 __first1, _InputIter1 __last1,
   529                              _InputIter2 __first2, _InputIter2 __last2,
   530                              _Compare __comp);
   531 
   532 inline bool
   533 lexicographical_compare(const unsigned char* __first1,
   534                         const unsigned char* __last1,
   535                         const unsigned char* __first2,
   536                         const unsigned char* __last2) {
   537   const size_t __len1 = __last1 - __first1;
   538   const size_t __len2 = __last2 - __first2;
   539   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
   540   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
   541 
   542   const int __result = memcmp(__first1, __first2, (min) (__len1, __len2));
   543   return __result != 0 ? (__result < 0) : (__len1 < __len2);
   544 }
   545 
   546 
   547 #if !(CHAR_MAX == SCHAR_MAX)
   548 inline bool lexicographical_compare(const char* __first1, const char* __last1,
   549                                     const char* __first2, const char* __last2) {
   550   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
   551   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first2, __last2))
   552 
   553   return lexicographical_compare((const unsigned char*) __first1,
   554                                  (const unsigned char*) __last1,
   555                                  (const unsigned char*) __first2,
   556                                  (const unsigned char*) __last2);
   557 }
   558 #endif /* CHAR_MAX == SCHAR_MAX */
   559 
   560 _STLP_MOVE_TO_PRIV_NAMESPACE
   561 
   562 template <class _InputIter1, class _InputIter2>
   563 int __lexicographical_compare_3way(_InputIter1 __first1, _InputIter1 __last1,
   564                                    _InputIter2 __first2, _InputIter2 __last2);
   565 
   566 inline int
   567 __lexicographical_compare_3way(const unsigned char* __first1,
   568                                const unsigned char* __last1,
   569                                const unsigned char* __first2,
   570                                const unsigned char* __last2) {
   571   const ptrdiff_t __len1 = __last1 - __first1;
   572   const ptrdiff_t __len2 = __last2 - __first2;
   573   const int __result = memcmp(__first1, __first2, (min) (__len1, __len2));
   574   return __result != 0 ? __result
   575                        : (__len1 == __len2 ? 0 : (__len1 < __len2 ? -1 : 1));
   576 }
   577 
   578 
   579 #if !(CHAR_MAX == SCHAR_MAX)
   580 inline int
   581 __lexicographical_compare_3way(const char* __first1, const char* __last1,
   582                                const char* __first2, const char* __last2) {
   583   return __lexicographical_compare_3way((const unsigned char*) __first1,
   584                                         (const unsigned char*) __last1,
   585                                         (const unsigned char*) __first2,
   586                                         (const unsigned char*) __last2);
   587 }
   588 #endif
   589 
   590 _STLP_MOVE_TO_STD_NAMESPACE
   591 
   592 #if !defined (_STLP_NO_EXTENSIONS)
   593 template <class _InputIter1, class _InputIter2>
   594 int lexicographical_compare_3way(_InputIter1 __first1, _InputIter1 __last1,
   595                                  _InputIter2 __first2, _InputIter2 __last2);
   596 
   597 #endif /* EXTENSIONS */
   598 
   599 // count
   600 template <class _InputIter, class _Tp>
   601 _STLP_INLINE_LOOP _STLP_DIFFERENCE_TYPE(_InputIter)
   602 count(_InputIter __first, _InputIter __last, const _Tp& __val) {
   603   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
   604   _STLP_DIFFERENCE_TYPE(_InputIter) __n = 0;
   605   for ( ; __first != __last; ++__first)
   606     if (*__first == __val)
   607       ++__n;
   608   return __n;
   609 }
   610 
   611 // find and find_if. Note find may be expressed in terms of find_if if appropriate binder was available.
   612 template <class _InputIter, class _Tp>
   613 _InputIter find(_InputIter __first, _InputIter __last, const _Tp& __val);
   614 
   615 template <class _InputIter, class _Predicate>
   616 _InputIter find_if(_InputIter __first, _InputIter __last, _Predicate __pred);
   617 
   618 // search.
   619 template <class _ForwardIter1, class _ForwardIter2, class _BinaryPred>
   620 _ForwardIter1 search(_ForwardIter1 __first1, _ForwardIter1 __last1,
   621                      _ForwardIter2 __first2, _ForwardIter2 __last2, _BinaryPred  __predicate);
   622 
   623 _STLP_MOVE_TO_PRIV_NAMESPACE
   624 
   625 // find_first_of
   626 template <class _InputIter, class _ForwardIter, class _BinaryPredicate>
   627 _InputIter __find_first_of(_InputIter __first1, _InputIter __last1,
   628                            _ForwardIter __first2, _ForwardIter __last2,
   629                            _BinaryPredicate __comp);
   630 
   631 _STLP_MOVE_TO_STD_NAMESPACE
   632 
   633 template <class _ForwardIter1, class _ForwardIter2,
   634           class _BinaryPredicate>
   635 _ForwardIter1
   636 find_end(_ForwardIter1 __first1, _ForwardIter1 __last1,
   637          _ForwardIter2 __first2, _ForwardIter2 __last2,
   638          _BinaryPredicate __comp);
   639 
   640 // replace
   641 template <class _ForwardIter, class _Tp>
   642 _STLP_INLINE_LOOP void
   643 replace(_ForwardIter __first, _ForwardIter __last,
   644         const _Tp& __old_value, const _Tp& __new_value) {
   645   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
   646   for ( ; __first != __last; ++__first)
   647     if (*__first == __old_value)
   648       *__first = __new_value;
   649 }
   650 
   651 _STLP_MOVE_TO_PRIV_NAMESPACE
   652 
   653 template <class _ForwardIter, class _Tp, class _Compare1, class _Compare2, class _Distance>
   654 _ForwardIter __lower_bound(_ForwardIter __first, _ForwardIter __last,
   655                            const _Tp& __val, _Compare1 __comp1, _Compare2 __comp2, _Distance*);
   656 
   657 _STLP_MOVE_TO_STD_NAMESPACE
   658 
   659 _STLP_END_NAMESPACE
   660 
   661 #if !defined (_STLP_LINK_TIME_INSTANTIATION)
   662 #  include <stl/_algobase.c>
   663 #endif
   664 
   665 #endif /* _STLP_INTERNAL_ALGOBASE_H */
   666 
   667 // Local Variables:
   668 // mode:C++
   669 // End:
   670