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00062 #ifndef _EXT_MEMORY
00063 #define _EXT_MEMORY
00064
00065 #pragma GCC system_header
00066 #include <memory>
00067 #include <bits/stl_tempbuf.h>
00068
00069 namespace __gnu_cxx
00070 {
00071 using std::ptrdiff_t;
00072 using std::pair;
00073 using std::__iterator_category;
00074 using std::_Temporary_buffer;
00075
00076
00077 template<typename _InputIter, typename _Size, typename _ForwardIter>
00078 pair<_InputIter, _ForwardIter>
00079 __uninitialized_copy_n(_InputIter __first, _Size __count,
00080 _ForwardIter __result,
00081 std::input_iterator_tag)
00082 {
00083 _ForwardIter __cur = __result;
00084 try {
00085 for ( ; __count > 0 ; --__count, ++__first, ++__cur)
00086 std::_Construct(&*__cur, *__first);
00087 return pair<_InputIter, _ForwardIter>(__first, __cur);
00088 }
00089 catch(...)
00090 {
00091 std::_Destroy(__result, __cur);
00092 __throw_exception_again;
00093 }
00094 }
00095
00096 template<typename _RandomAccessIter, typename _Size, typename _ForwardIter>
00097 inline pair<_RandomAccessIter, _ForwardIter>
00098 __uninitialized_copy_n(_RandomAccessIter __first, _Size __count,
00099 _ForwardIter __result,
00100 std::random_access_iterator_tag)
00101 {
00102 _RandomAccessIter __last = __first + __count;
00103 return pair<_RandomAccessIter, _ForwardIter>(
00104 __last,
00105 std::uninitialized_copy(__first, __last, __result));
00106 }
00107
00108 template<typename _InputIter, typename _Size, typename _ForwardIter>
00109 inline pair<_InputIter, _ForwardIter>
00110 __uninitialized_copy_n(_InputIter __first, _Size __count,
00111 _ForwardIter __result) {
00112 return __uninitialized_copy_n(__first, __count, __result,
00113 __iterator_category(__first));
00114 }
00115
00126 template<typename _InputIter, typename _Size, typename _ForwardIter>
00127 inline pair<_InputIter, _ForwardIter>
00128 uninitialized_copy_n(_InputIter __first, _Size __count,
00129 _ForwardIter __result) {
00130 return __uninitialized_copy_n(__first, __count, __result,
00131 __iterator_category(__first));
00132 }
00133
00134
00155 template <class _ForwardIterator,
00156 class _Tp
00157 = typename std::iterator_traits<_ForwardIterator>::value_type >
00158 struct temporary_buffer : public _Temporary_buffer<_ForwardIterator, _Tp>
00159 {
00161 temporary_buffer(_ForwardIterator __first, _ForwardIterator __last)
00162 : _Temporary_buffer<_ForwardIterator, _Tp>(__first, __last) {}
00164 ~temporary_buffer() {}
00165 };
00166
00167 }
00168
00169 #endif
00170