lib/3rdparty/stlport/stlport/stl/_numeric.h

   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) 1999
  10  * Boris Fomitchev
  11  *
  12  * This material is provided "as is", with absolutely no warranty expressed
  13  * or implied. Any use is at your own risk.
  14  *
  15  * Permission to use or copy this software for any purpose is hereby granted
  16  * without fee, provided the above notices are retained on all copies.
  17  * Permission to modify the code and to distribute modified code is granted,
  18  * provided the above notices are retained, and a notice that the code was
  19  * modified is included with the above copyright notice.
  20  *
  21  */
  22
  23 /* NOTE: This is an internal header file, included by other STL headers.
  24  *   You should not attempt to use it directly.
  25  */
  26
  27 #ifndef _STLP_INTERNAL_NUMERIC_H
  28 #define _STLP_INTERNAL_NUMERIC_H
  29
  30 #ifndef _STLP_INTERNAL_FUNCTION_BASE_H
  31 # include <stl/_function_base.h>
  32 #endif
  33
  34 #ifndef _STLP_INTERNAL_ITERATOR_BASE_H
  35 #  include <stl/_iterator_base.h>
  36 #endif
  37
  38 _STLP_BEGIN_NAMESPACE
  39
  40 template <class _InputIterator, class _Tp>
  41 _STLP_INLINE_LOOP
  42 _Tp accumulate(_InputIterator __first, _InputIterator __last, _Tp _Init) {
  43   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
  44   for ( ; __first != __last; ++__first)
  45     _Init = _Init + *__first;
  46   return _Init;
  47 }
  48
  49 template <class _InputIterator, class _Tp, class _BinaryOperation>
  50 _STLP_INLINE_LOOP
  51 _Tp accumulate(_InputIterator __first, _InputIterator __last, _Tp _Init,
  52                _BinaryOperation __binary_op) {
  53   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
  54   for ( ; __first != __last; ++__first)
  55     _Init = __binary_op(_Init, *__first);
  56   return _Init;
  57 }
  58
  59 template <class _InputIterator1, class _InputIterator2, class _Tp>
  60 _STLP_INLINE_LOOP
  61 _Tp inner_product(_InputIterator1 __first1, _InputIterator1 __last1,
  62                   _InputIterator2 __first2, _Tp _Init) {
  63   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
  64   for ( ; __first1 != __last1; ++__first1, ++__first2)
  65     _Init = _Init + (*__first1 * *__first2);
  66   return _Init;
  67 }
  68
  69 template <class _InputIterator1, class _InputIterator2, class _Tp,
  70           class _BinaryOperation1, class _BinaryOperation2>
  71 _STLP_INLINE_LOOP
  72 _Tp inner_product(_InputIterator1 __first1, _InputIterator1 __last1,
  73                   _InputIterator2 __first2, _Tp _Init,
  74                   _BinaryOperation1 __binary_op1,
  75                   _BinaryOperation2 __binary_op2) {
  76   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first1, __last1))
  77   for ( ; __first1 != __last1; ++__first1, ++__first2)
  78     _Init = __binary_op1(_Init, __binary_op2(*__first1, *__first2));
  79   return _Init;
  80 }
  81
  82 _STLP_MOVE_TO_PRIV_NAMESPACE
  83
  84 template <class _InputIterator, class _OutputIterator, class _Tp,
  85           class _BinaryOperation>
  86 _OutputIterator
  87 __partial_sum(_InputIterator __first, _InputIterator __last,
  88               _OutputIterator __result, _Tp*, _BinaryOperation __binary_op);
  89
  90 _STLP_MOVE_TO_STD_NAMESPACE
  91
  92 template <class _InputIterator, class _OutputIterator>
  93 inline _OutputIterator
  94 partial_sum(_InputIterator __first, _InputIterator __last,
  95             _OutputIterator __result) {
  96   return _STLP_PRIV __partial_sum(__first, __last, __result, _STLP_VALUE_TYPE(__first, _InputIterator),
  97                                   _STLP_PRIV __plus(_STLP_VALUE_TYPE(__first, _InputIterator)));
  98 }
  99
 100 template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
 101 inline _OutputIterator
 102 partial_sum(_InputIterator __first, _InputIterator __last,
 103             _OutputIterator __result, _BinaryOperation __binary_op) {
 104   return _STLP_PRIV __partial_sum(__first, __last, __result, _STLP_VALUE_TYPE(__first, _InputIterator),
 105                                   __binary_op);
 106 }
 107
 108 _STLP_MOVE_TO_PRIV_NAMESPACE
 109
 110 template <class _InputIterator, class _OutputIterator, class _Tp,
 111           class _BinaryOperation>
 112 _OutputIterator
 113 __adjacent_difference(_InputIterator __first, _InputIterator __last,
 114                       _OutputIterator __result, _Tp*,
 115                       _BinaryOperation __binary_op);
 116
 117 _STLP_MOVE_TO_STD_NAMESPACE
 118
 119 template <class _InputIterator, class _OutputIterator>
 120 inline _OutputIterator
 121 adjacent_difference(_InputIterator __first,
 122                     _InputIterator __last, _OutputIterator __result) {
 123   return _STLP_PRIV __adjacent_difference(__first, __last, __result,
 124                                           _STLP_VALUE_TYPE(__first, _InputIterator),
 125                                           _STLP_PRIV __minus(_STLP_VALUE_TYPE(__first, _InputIterator)));
 126 }
 127
 128 template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
 129 _OutputIterator
 130 adjacent_difference(_InputIterator __first, _InputIterator __last,
 131                     _OutputIterator __result, _BinaryOperation __binary_op) {
 132   return _STLP_PRIV __adjacent_difference(__first, __last, __result,
 133                                           _STLP_VALUE_TYPE(__first, _InputIterator),
 134                                           __binary_op);
 135 }
 136
 137 _STLP_MOVE_TO_PRIV_NAMESPACE
 138
 139 template <class _Tp, class _Integer, class _MonoidOperation>
 140 _Tp __power(_Tp __x, _Integer __n, _MonoidOperation __opr);
 141
 142 _STLP_MOVE_TO_STD_NAMESPACE
 143
 144 #if !defined (_STLP_NO_EXTENSIONS)
 145
 146 // Returns __x ** __n, where __n >= 0.  _Note that "multiplication"
 147 // is required to be associative, but not necessarily commutative.
 148
 149 _STLP_MOVE_TO_PRIV_NAMESPACE
 150
 151 template <class _Tp, class _Integer>
 152 inline _Tp __power(_Tp __x, _Integer __n) {
 153   return __power(__x, __n, multiplies<_Tp>());
 154 }
 155
 156 _STLP_MOVE_TO_STD_NAMESPACE
 157
 158 // Alias for the internal name __power.  Note that power is an extension,
 159 // not part of the C++ standard.
 160 template <class _Tp, class _Integer, class _MonoidOperation>
 161 inline _Tp power(_Tp __x, _Integer __n, _MonoidOperation __opr) {
 162   return _STLP_PRIV __power(__x, __n, __opr);
 163 }
 164
 165 template <class _Tp, class _Integer>
 166 inline _Tp power(_Tp __x, _Integer __n) {
 167   return _STLP_PRIV __power(__x, __n, multiplies<_Tp>());
 168 }
 169
 170 // iota is not part of the C++ standard.  It is an extension.
 171
 172 template <class _ForwardIterator, class _Tp>
 173 _STLP_INLINE_LOOP
 174 void iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __val) {
 175   _STLP_DEBUG_CHECK(_STLP_PRIV __check_range(__first, __last))
 176   while (__first != __last)
 177     *__first++ = __val++;
 178 }
 179 #endif
 180
 181 _STLP_END_NAMESPACE
 182
 183 #if !defined (_STLP_LINK_TIME_INSTANTIATION)
 184 #  include <stl/_numeric.c>
 185 #endif
 186
 187 #endif /* _STLP_INTERNAL_NUMERIC_H */
 188
 189 // Local Variables:
 190 // mode:C++
 191 // End: