diff options
Diffstat (limited to 'libstdc++-v3/include/bits/stl_algobase.h')
| -rw-r--r-- | libstdc++-v3/include/bits/stl_algobase.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/stl_algobase.h b/libstdc++-v3/include/bits/stl_algobase.h index 730699648e1..9a2e7af16c4 100644 --- a/libstdc++-v3/include/bits/stl_algobase.h +++ b/libstdc++-v3/include/bits/stl_algobase.h @@ -594,6 +594,32 @@ _GLIBCXX_BEGIN_NAMESPACE(std) std::memset(__first, static_cast<unsigned char>(__tmp), __last - __first); } + template<typename _Tp, typename _Ref, typename _Ptr> + struct _Deque_iterator; + + // Overload for deque::iterators, exploiting the "segmented-iterator + // optimization". NB: leave const_iterators alone! + template<typename _Tp> + void + fill(const _Deque_iterator<_Tp, _Tp&, _Tp*>& __first, + const _Deque_iterator<_Tp, _Tp&, _Tp*>& __last, const _Tp& __value) + { + typedef typename _Deque_iterator<_Tp, _Tp&, _Tp*>::_Self _Self; + + for (typename _Self::_Map_pointer __node = __first._M_node + 1; + __node < __last._M_node; ++__node) + std::fill(*__node, *__node + _Self::_S_buffer_size(), __value); + + if (__first._M_node != __last._M_node) + { + std::fill(__first._M_cur, __first._M_last, __value); + std::fill(__last._M_first, __last._M_cur, __value); + } + else + std::fill(__first._M_cur, __last._M_cur, __value); + } + + template<bool> struct __fill_n { |