Question

编译C++代码出现下面错误no type named ‘iterator_category’ in ‘class std::vector<double>’

In file included from /usr/include/c++/4.6/bits/stl_algobase.h:66:0,
from /usr/include/c++/4.6/bits/char_traits.h:41,
from /usr/include/c++/4.6/ios:41,
from /usr/include/c++/4.6/ostream:40,
from /usr/include/c++/4.6/iostream:40,
from lineartrend_notest.cpp:7:
/usr/include/c++/4.6/bits/stl_iterator_base_types.h: 在全局域：
/usr/include/c++/4.6/bits/stl_iterator_base_types.h：在‘std::iterator_traits<std::vector<double> >’的实例化中：
/usr/include/c++/4.6/bits/stl_vector.h:1090:24：自‘void std::vector<_Tp, _Alloc>::_M_initialize_dispatch(_InputIterator, _InputIterator, std::__false_type) [with _InputIterator = std::vector<double>, _Tp = std::vector<double>, _Alloc = std::allocator<std::vector<double> >]’实例化
/usr/include/c++/4.6/bits/stl_vector.h:340:4：自‘std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = std::vector<double>, _Tp = std::vector<double>, _Alloc = std::allocator<std::vector<double> >, std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<double> >]’实例化
xg_math_stat.h:320:116：自‘regress2<T>::regress2(const std::vector<T>&, const std::vector<T>&) [with T = double]’实例化
lineartrend_notest.cpp:26:28：从此处实例化
/usr/include/c++/4.6/bits/stl_iterator_base_types.h:166:53: 错误： no type named ‘iterator_category’ in ‘class std::vector<double>’
我知道应该是命名空间出了问题，但不知道到底哪里有问题

Answer 1

把代码贴出来把？你可以双击一下错误···会跳到错误的地方