diff options
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/ChangeLog | 11 | ||||
| -rw-r--r-- | libstdc++-v3/docs/html/ext/howto.html | 6 | ||||
| -rw-r--r-- | libstdc++-v3/include/debug/bitset | 4 | ||||
| -rw-r--r-- | libstdc++-v3/include/std/bitset | 80 | ||||
| -rw-r--r-- | libstdc++-v3/testsuite/23_containers/bitset/all/1.cc | 81 |
5 files changed, 133 insertions, 49 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index d05dd12..635bb1e 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,16 @@ 2007-11-23 Paolo Carlini <pcarlini@suse.de> + * include/std/bitset (bitset<>::all): Add, per DR 693 [Ready]. + (_Base_bitset<>::_M_are_all_aux()): Add. + * include/debug/bitset (bitset<>::all): Add. + * testsuite/23_containers/bitset/all/1.cc: New. + * docs/html/ext/howto.html: Add an entry for DR 693. + + * include/std/bitset (bitset<0>::set, reset, flip, test): Remove, + not necessary anymore. + +2007-11-23 Paolo Carlini <pcarlini@suse.de> + * include/bits/stl_list.h (insert(iterator, value_type&&)): Just forward to emplace. * include/bits/stl_vector.h (insert(iterator, value_type&&)): Likewise. diff --git a/libstdc++-v3/docs/html/ext/howto.html b/libstdc++-v3/docs/html/ext/howto.html index cb0a74e..3171355 100644 --- a/libstdc++-v3/docs/html/ext/howto.html +++ b/libstdc++-v3/docs/html/ext/howto.html @@ -639,6 +639,12 @@ <dd>Add the missing operations. </dd> + <dt><a href="lwg-active.html#693">693</a>: + <em>std::bitset::all() missing</em> + </dt> + <dd>Add it, consistently with the discussion. + </dd> + <dt><a href="lwg-active.html#695">695</a>: <em>ctype<char>::classic_table() not accessible</em> </dt> diff --git a/libstdc++-v3/include/debug/bitset b/libstdc++-v3/include/debug/bitset index ba67712..db4b3c0 100644 --- a/libstdc++-v3/include/debug/bitset +++ b/libstdc++-v3/include/debug/bitset @@ -1,7 +1,6 @@ // Debugging bitset implementation -*- C++ -*- -// Copyright (C) 2003, 2004, 2005 -// Free Software Foundation, Inc. +// Copyright (C) 2003, 2004, 2005, 2006, 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 @@ -279,6 +278,7 @@ namespace __debug { return _M_base() != __rhs; } using _Base::test; + using _Base::all; using _Base::any; using _Base::none; diff --git a/libstdc++-v3/include/std/bitset b/libstdc++-v3/include/std/bitset index c9f9111..9a984d03 100644 --- a/libstdc++-v3/include/std/bitset +++ b/libstdc++-v3/include/std/bitset @@ -170,21 +170,27 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) _M_is_equal(const _Base_bitset<_Nw>& __x) const { for (size_t __i = 0; __i < _Nw; ++__i) - { - if (_M_w[__i] != __x._M_w[__i]) - return false; - } + if (_M_w[__i] != __x._M_w[__i]) + return false; return true; } + size_t + _M_are_all_aux() const + { + for (size_t __i = 0; __i < _Nw - 1; __i++) + if (_M_w[__i] != ~static_cast<_WordT>(0)) + return 0; + return ((_Nw - 1) * _GLIBCXX_BITSET_BITS_PER_WORD + + __builtin_popcountl(_M_hiword())); + } + bool _M_is_any() const { for (size_t __i = 0; __i < _Nw; __i++) - { - if (_M_w[__i] != static_cast<_WordT>(0)) - return true; - } + if (_M_w[__i] != static_cast<_WordT>(0)) + return true; return false; } @@ -412,6 +418,10 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) _M_is_equal(const _Base_bitset<1>& __x) const { return _M_w == __x._M_w; } + size_t + _M_are_all_aux() const + { return __builtin_popcountl(_M_w); } + bool _M_is_any() const { return _M_w != 0; } @@ -540,6 +550,10 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) _M_is_equal(const _Base_bitset<0>&) const { return true; } + size_t + _M_are_all_aux() const + { return 0; } + bool _M_is_any() const { return false; } @@ -1089,7 +1103,17 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) __throw_out_of_range(__N("bitset::test")); return _Unchecked_test(__position); } - + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // DR 693. std::bitset::all() missing. + /** + * @brief Tests whether all the bits are on. + * @return True if all the bits are set. + */ + bool + all() const + { return this->_M_are_all_aux() == _Nb; } + /** * @brief Tests whether any of the bits are on. * @return True if at least one bit is set. @@ -1298,44 +1322,6 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) __x._M_copy_to_string(__tmp); return __os << __tmp; } - - // Specializations for zero-sized bitsets, to avoid "unsigned comparison - // with zero" warnings. - template<> - inline bitset<0>& - bitset<0>:: - set(size_t, bool) - { - __throw_out_of_range(__N("bitset::set")); - return *this; - } - - template<> - inline bitset<0>& - bitset<0>:: - reset(size_t) - { - __throw_out_of_range(__N("bitset::reset")); - return *this; - } - - template<> - inline bitset<0>& - bitset<0>:: - flip(size_t) - { - __throw_out_of_range(__N("bitset::flip")); - return *this; - } - - template<> - inline bool - bitset<0>:: - test(size_t) const - { - __throw_out_of_range(__N("bitset::test")); - return false; - } //@} _GLIBCXX_END_NESTED_NAMESPACE diff --git a/libstdc++-v3/testsuite/23_containers/bitset/all/1.cc b/libstdc++-v3/testsuite/23_containers/bitset/all/1.cc new file mode 100644 index 0000000..1464510 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/bitset/all/1.cc @@ -0,0 +1,81 @@ +// 2007-11-23 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. + +// 23.3.5.2 bitset members + +#include <bitset> +#include <testsuite_hooks.h> + +// DR 693. std::bitset::all() missing. +void test01() +{ + bool test __attribute__((unused)) = true; + + std::bitset<0> z1; + VERIFY( z1.all() ); + z1.set(); + VERIFY( z1.all() ); + + std::bitset<8> z2; + VERIFY( !z2.all() ); + z2.set(); + VERIFY( z2.all() ); + + std::bitset<16> z3; + VERIFY( !z3.all() ); + z3.set(); + VERIFY( z3.all() ); + + std::bitset<32> z4; + VERIFY( !z4.all() ); + z4.set(); + VERIFY( z4.all() ); + + std::bitset<64> z5; + VERIFY( !z5.all() ); + z5.set(); + VERIFY( z5.all() ); + + std::bitset<96> z6; + VERIFY( !z6.all() ); + z6.set(); + VERIFY( z6.all() ); + + std::bitset<128> z7; + VERIFY( !z7.all() ); + z7.set(); + VERIFY( z7.all() ); + + std::bitset<192> z8; + VERIFY( !z8.all() ); + z8.set(); + VERIFY( z8.all() ); + + std::bitset<1024> z9; + VERIFY( !z9.all() ); + z9.set(); + VERIFY( z9.all() ); +} + +int main() +{ + test01(); + return 0; +} |