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DR 660, [Ready] in Toronto.

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2007-08-02  Paolo Carlini  <pcarlini@suse.de>

	DR 660, [Ready] in Toronto.
	* include/bits/stl_function.h (bit_and, bit_or, bit_xor): Add.
	* testsuite/20_util/function_objects/dr660.cc: New.
	* docs/html/ext/howto.html: Add an entry for DR 660, update.

	* docs/html/ext/lwg-closed.html, docs/html/ext/lwg-active.html,
	docs/html/ext/lwg-defects.html: Import Revision 49.

From-SVN: r127166
This commit is contained in:
Paolo Carlini 2007-08-02 17:39:51 +00:00 committed by Paolo Carlini
parent f29d2cff88
commit 2ee0c1fb57
7 changed files with 20479 additions and 4926 deletions
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10
libstdc++-v3/ChangeLog
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@ -1,3 +1,13 @@
2007-08-02 Paolo Carlini <pcarlini@suse.de>
DR 660, [Ready] in Toronto.
* include/bits/stl_function.h (bit_and, bit_or, bit_xor): Add.
* testsuite/20_util/function_objects/dr660.cc: New.
* docs/html/ext/howto.html: Add an entry for DR 660, update.
* docs/html/ext/lwg-closed.html, docs/html/ext/lwg-active.html,
docs/html/ext/lwg-defects.html: Import Revision 49.
2007-07-30 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/32908

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libstdc++-v3/docs/html/ext/howto.html
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@ -592,7 +592,7 @@
<dd>Construct a <code>linear_congruential</code> engine and seed with it.
</dd>
<dt><a href="lwg-active.html#526">526</a>:
<dt><a href="lwg-closed.html#526">526</a>:
<em>Is it undefined if a function in the standard changes in
parameters?</em>
</dt>
@ -613,17 +613,23 @@
<dd>Add an auto_ptr&lt;void&gt; specialization.
</dd>
<dt><a href="lwg-active.html#543">543</a>:
<dt><a href="lwg-defects.html#543">543</a>:
<em>valarray slice default constructor</em>
</dt>
<dd>Follow the straightforward proposed resolution.
</dd>
<dt><a href="lwg-active.html#586">586</a>:
<dt><a href="lwg-defects.html#586">586</a>:
<em>string inserter not a formatted function</em>
</dt>
<dd>Change it to be a formatted output function (i.e. catch exceptions).
</dd>
<dt><a href="lwg-active.html#660">660</a>:
<em>Missing bitwise operations</em>
</dt>
<dd>Add the missing operations.
</dd>
<!--
<dt><a href="lwg-defects.html#"></a>:
<em></em>

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libstdc++-v3/include/bits/stl_function.h
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@ -281,6 +281,32 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
};
/** @} */
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 660. Missing Bitwise Operations.
template <class _Tp>
struct bit_and : public binary_function<_Tp, _Tp, _Tp>
{
_Tp
operator()(const _Tp& __x, const _Tp& __y) const
{ return __x & __y; }
};
template <class _Tp>
struct bit_or : public binary_function<_Tp, _Tp, _Tp>
{
_Tp
operator()(const _Tp& __x, const _Tp& __y) const
{ return __x | __y; }
};
template <class _Tp>
struct bit_xor : public binary_function<_Tp, _Tp, _Tp>
{
_Tp
operator()(const _Tp& __x, const _Tp& __y) const
{ return __x ^ __y; }
};
// 20.3.5 negators
/** @defgroup s20_3_5_negators Negators
* The functions @c not1 and @c not2 each take a predicate functor

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libstdc++-v3/testsuite/20_util/function_objects/dr660.cc Normal file
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// 2007-08-02 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2007 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
#include <functional>
#include <testsuite_hooks.cc>
// DR 660. Missing Bitwise Operations.
void test01()
{
bool test __attribute__((unused)) = true;
for (int i1 = 0; i1 < 1000; ++i1)
for (int i2 = 0; i2 < 1000; ++i2)
{
VERIFY( std::bit_and<int>()(i1, i2) == (i1 & i2) );
VERIFY( std::bit_or<int>()(i1, i2) == (i1 | i2) );
VERIFY( std::bit_xor<int>()(i1, i2) == (i1 ^ i2) );
}
}
int main()
{
test01();
return 0;
}