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gcc/libstdc++-v3/include/bits/stl_numeric.h
Phil Edwards 729e3d3f01 c_io_stdio.h: Correct grammar in comments. 
2001-11-02  Phil Edwards  <pme@gcc.gnu.org>

	* config/io/c_io_stdio.h:  Correct grammar in comments.
	* docs/doxygen/Intro.3:  Expand "top-level" man page.
	* docs/doxygen/doxygroups.cc:  New module definitions (comments).
	* docs/doxygen/mainpage.doxy:  Tweaks.
	* docs/doxygen/run_doxygen:  Update Doxygen version, massage man pages.

	Add @file hooks so that headers are considered to be documented.
	* include/bits/basic_ios.h, include/bits/basic_file.h,
	include/bits/basic_string.h, include/bits/boost_concept_check.h,
	include/bits/char_traits.h, include/bits/codecvt.h,
	include/bits/concept_check.h, include/bits/cpp_type_traits.h,
	include/bits/fpos.h, include/bits/gslice.h, include/bits/gslice_array.h,
	include/bits/indirect_array.h, include/bits/ios_base.h,
	include/bits/locale_facets.h, include/bits/localefwd.h,
	include/bits/mask_array.h, include/bits/pthread_allocimpl.h,
	include/bits/slice.h, include/bits/slice_array.h,
	include/bits/std_algorithm.h, include/bits/std_bitset.h,
	include/bits/std_complex.h, include/bits/std_deque.h,
	include/bits/std_fstream.h, include/bits/std_functional.h,
	include/bits/std_iomanip.h, include/bits/std_ios.h,
	include/bits/std_iosfwd.h, include/bits/std_iostream.h,
	include/bits/std_istream.h, include/bits/std_iterator.h,
	include/bits/std_limits.h, include/bits/std_list.h,
	include/bits/std_locale.h, include/bits/std_map.h,
	include/bits/std_memory.h, include/bits/std_numeric.h,
	include/bits/std_ostream.h, include/bits/std_queue.h,
	include/bits/std_set.h, include/bits/std_sstream.h,
	include/bits/std_stack.h, include/bits/std_streambuf.h,
	include/bits/std_string.h, include/bits/std_utility.h,
	include/bits/std_valarray.h, include/bits/std_vector.h,
	include/bits/stl_algo.h, include/bits/stl_alloc.h,
	include/bits/stl_bvector.h, include/bits/stl_construct.h,
	include/bits/stl_deque.h, include/bits/stl_heap.h,
	include/bits/stl_iterator.h, include/bits/stl_iterator_base_funcs.h,
	include/bits/stl_iterator_base_types.h, include/bits/stl_list.h,
	include/bits/stl_map.h, include/bits/stl_multimap.h,
	include/bits/stl_multiset.h, include/bits/stl_numeric.h,
	include/bits/stl_pair.h, include/bits/stl_pthread_alloc.h,
	include/bits/stl_queue.h, include/bits/stl_raw_storage_iter.h,
	include/bits/stl_relops.h, include/bits/stl_set.h,
	include/bits/stl_stack.h, include/bits/stl_tempbuf.h,
	include/bits/stl_threads.h, include/bits/stl_tree.h,
	include/bits/stl_uninitialized.h, include/bits/stl_vector.h,
	include/bits/stream_iterator.h, include/bits/streambuf_iterator.h,
	include/bits/stringfwd.h, include/bits/type_traits.h,
	include/bits/valarray_array.h, include/bits/valarray_meta.h:
	Add hooks, tweak comments only.

	* include/bits/stl_algobase.h (swap, min, iter_swap):  Also
	document these functions.
	* include/bits/stl_function.h:  Tweak link comments.

From-SVN: r46717
2001-11-02 17:38:11 +00:00

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// Numeric functions implementation -*- C++ -*-
// Copyright (C) 2001 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/** @file stl_numeric.h
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
#ifndef _CPP_BITS_STL_NUMERIC_H
#define _CPP_BITS_STL_NUMERIC_H 1
namespace std
{
template<typename _InputIterator, typename _Tp>
_Tp
accumulate(_InputIterator __first, _InputIterator __last, _Tp __init)
{
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator>)
for ( ; __first != __last; ++__first)
__init = __init + *__first;
return __init;
}
template<typename _InputIterator, typename _Tp, typename _BinaryOperation>
_Tp
accumulate(_InputIterator __first, _InputIterator __last, _Tp __init,
_BinaryOperation __binary_op)
{
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator>)
for ( ; __first != __last; ++__first)
__init = __binary_op(__init, *__first);
return __init;
}
template<typename _InputIterator1, typename _InputIterator2, typename _Tp>
_Tp
inner_product(_InputIterator1 __first1, _InputIterator1 __last1,
_InputIterator2 __first2, _Tp __init)
{
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator1>)
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator2>)
for ( ; __first1 != __last1; ++__first1, ++__first2)
__init = __init + (*__first1 * *__first2);
return __init;
}
template<typename _InputIterator1, typename _InputIterator2, typename _Tp,
typename _BinaryOperation1, typename _BinaryOperation2>
_Tp
inner_product(_InputIterator1 __first1, _InputIterator1 __last1,
_InputIterator2 __first2, _Tp __init,
_BinaryOperation1 __binary_op1,
_BinaryOperation2 __binary_op2)
{
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator1>)
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator2>)
for ( ; __first1 != __last1; ++__first1, ++__first2)
__init = __binary_op1(__init, __binary_op2(*__first1, *__first2));
return __init;
}
template<typename _InputIterator, typename _OutputIterator>
_OutputIterator
partial_sum(_InputIterator __first, _InputIterator __last,
_OutputIterator __result)
{
typedef typename iterator_traits<_InputIterator>::value_type _ValueType;
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator>)
__glibcpp_function_requires(_OutputIteratorConcept<_OutputIterator, _ValueType>)
if (__first == __last) return __result;
*__result = *__first;
_ValueType __value = *__first;
while (++__first != __last) {
__value = __value + *__first;
*++__result = __value;
}
return ++__result;
}
template<typename _InputIterator, typename _OutputIterator, typename _BinaryOperation>
_OutputIterator
partial_sum(_InputIterator __first, _InputIterator __last,
_OutputIterator __result, _BinaryOperation __binary_op)
{
typedef typename iterator_traits<_InputIterator>::value_type _ValueType;
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator>)
__glibcpp_function_requires(_OutputIteratorConcept<_OutputIterator, _ValueType>)
if (__first == __last) return __result;
*__result = *__first;
_ValueType __value = *__first;
while (++__first != __last) {
__value = __binary_op(__value, *__first);
*++__result = __value;
}
return ++__result;
}
template<typename _InputIterator, typename _OutputIterator>
_OutputIterator
adjacent_difference(_InputIterator __first,
_InputIterator __last, _OutputIterator __result)
{
typedef typename iterator_traits<_InputIterator>::value_type _ValueType;
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator>)
__glibcpp_function_requires(_OutputIteratorConcept<_OutputIterator, _ValueType>)
if (__first == __last) return __result;
*__result = *__first;
_ValueType __value = *__first;
while (++__first != __last) {
_ValueType __tmp = *__first;
*++__result = __tmp - __value;
__value = __tmp;
}
return ++__result;
}
template<typename _InputIterator, typename _OutputIterator, typename _BinaryOperation>
_OutputIterator
adjacent_difference(_InputIterator __first, _InputIterator __last,
_OutputIterator __result, _BinaryOperation __binary_op)
{
typedef typename iterator_traits<_InputIterator>::value_type _ValueType;
// concept requirements
__glibcpp_function_requires(_InputIteratorConcept<_InputIterator>)
__glibcpp_function_requires(_OutputIteratorConcept<_OutputIterator, _ValueType>)
if (__first == __last) return __result;
*__result = *__first;
_ValueType __value = *__first;
while (++__first != __last) {
_ValueType __tmp = *__first;
*++__result = __binary_op(__tmp, __value);
__value = __tmp;
}
return ++__result;
}
// Returns __x ** __n, where __n >= 0. _Note that "multiplication"
// is required to be associative, but not necessarily commutative.
template<typename _Tp, typename _Integer, typename _MonoidOperation>
_Tp
__power(_Tp __x, _Integer __n, _MonoidOperation __monoid_op)
{
if (__n == 0)
return identity_element(__monoid_op);
else {
while ((__n & 1) == 0) {
__n >>= 1;
__x = __monoid_op(__x, __x);
}
_Tp __result = __x;
__n >>= 1;
while (__n != 0) {
__x = __monoid_op(__x, __x);
if ((__n & 1) != 0)
__result = __monoid_op(__result, __x);
__n >>= 1;
}
return __result;
}
}
template<typename _Tp, typename _Integer>
inline _Tp
__power(_Tp __x, _Integer __n)
{ return __power(__x, __n, multiplies<_Tp>()); }
// Alias for the internal name __power. Note that power is an extension,
// not part of the C++ standard.
template<typename _Tp, typename _Integer, typename _MonoidOperation>
inline _Tp
power(_Tp __x, _Integer __n, _MonoidOperation __monoid_op)
{ return __power(__x, __n, __monoid_op); }
template<typename _Tp, typename _Integer>
inline _Tp
power(_Tp __x, _Integer __n)
{ return __power(__x, __n); }
// iota is not part of the C++ standard. It is an extension.
template<typename _ForwardIter, typename _Tp>
void
iota(_ForwardIter __first, _ForwardIter __last, _Tp __value)
{
// concept requirements
__glibcpp_function_requires(_Mutable_ForwardIteratorConcept<_ForwardIter>)
__glibcpp_function_requires(_ConvertibleConcept<_Tp,
typename iterator_traits<_ForwardIter>::value_type>)
while (__first != __last)
*__first++ = __value++;
}
} // namespace std
#endif /* _CPP_BITS_STL_NUMERIC_H */
// Local Variables:
// mode:C++
// End:
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