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PR libstdc++/22634, DR 539 [Ready]

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2009-12-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/22634, DR 539 [Ready]
	* include/bits/stl_numeric.h (adjacent_difference): Use std::move
	at the end of the loop body, per the Ready resolution.
	* include/std/numeric: Do not include unnecessarily <cstddef>.
	* doc/xml/manual/intro.xml: Add an entry for DR 539.

From-SVN: r155173
This commit is contained in:
Paolo Carlini 2009-12-11 17:54:37 +00:00 committed by Paolo Carlini
parent f9679d8ae7
commit 8246b3148e
4 changed files with 25 additions and 3 deletions
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8
libstdc++-v3/ChangeLog
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@ -1,3 +1,11 @@
2009-12-11 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/22634, DR 539 [Ready]
* include/bits/stl_numeric.h (adjacent_difference): Use std::move
at the end of the loop body, per the Ready resolution.
* include/std/numeric: Do not include unnecessarily <cstddef>.
* doc/xml/manual/intro.xml: Add an entry for DR 539.
2009-12-11 Paolo Carlini <paolo.carlini@oracle.com>
* doc/html/ext/lwg-active.html: Update to Revision R68.

8
libstdc++-v3/doc/xml/manual/intro.xml
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@ -699,6 +699,14 @@ requirements of the license of GCC.
input_iterator' value_type.
</para></listitem></varlistentry>
<varlistentry><term><ulink url="../ext/lwg-active.html#539">539</ulink>:
<emphasis>partial_sum and adjacent_difference should mention
requirements</emphasis>
</term>
<listitem><para>We were almost doing the right thing, just use std::move
in adjacent_difference.
</para></listitem></varlistentry>
<varlistentry><term><ulink url="../ext/lwg-defects.html#541">541</ulink>:
<emphasis>shared_ptr template assignment and void</emphasis>
</term>

11
libstdc++-v3/include/bits/stl_numeric.h
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@ -59,6 +59,7 @@
#include <bits/concept_check.h>
#include <debug/debug.h>
#include <bits/move.h> // For _GLIBCXX_MOVE
#ifdef __GXX_EXPERIMENTAL_CXX0X__
@ -302,6 +303,9 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_P)
* @param last End of input range.
* @param result Output to write sums to.
* @return Iterator pointing just beyond the values written to result.
*
* _GLIBCXX_RESOLVE_LIB_DEFECTS
* DR 539. partial_sum and adjacent_difference should mention requirements
*/
template<typename _InputIterator, typename _OutputIterator>
_OutputIterator
@ -324,7 +328,7 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_P)
{
_ValueType __tmp = *__first;
*++__result = __tmp - __value;
__value = __tmp;
__value = _GLIBCXX_MOVE(__tmp);
}
return ++__result;
}
@ -340,6 +344,9 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_P)
* @param last End of input range.
* @param result Output to write sums to.
* @return Iterator pointing just beyond the values written to result.
*
* _GLIBCXX_RESOLVE_LIB_DEFECTS
* DR 539. partial_sum and adjacent_difference should mention requirements
*/
template<typename _InputIterator, typename _OutputIterator,
typename _BinaryOperation>
@ -363,7 +370,7 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_P)
{
_ValueType __tmp = *__first;
*++__result = __binary_op(__tmp, __value);
__value = __tmp;
__value = _GLIBCXX_MOVE(__tmp);
}
return ++__result;
}

1
libstdc++-v3/include/std/numeric
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@ -58,7 +58,6 @@
#pragma GCC system_header
#include <bits/c++config.h>
#include <cstddef>
#include <bits/stl_iterator_base_types.h>
#include <bits/stl_numeric.h>