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move __save_flags from <random> to <ios> in preparation for reuse; no functionality change 

llvm-svn: 185968
This commit is contained in:
Marshall Clow 2013-07-09 20:34:14 +00:00
parent 7278788ffe
commit 8e1cb5adb3
2 changed files with 27 additions and 27 deletions
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27
libcxx/include/ios
View File

@ -983,6 +983,33 @@ defaultfloat(ios_base& __str)
return __str;
}
template <class _CharT, class _Traits>
class __save_flags
{
typedef basic_ios<_CharT, _Traits> __stream_type;
typedef typename __stream_type::fmtflags fmtflags;
__stream_type& __stream_;
fmtflags __fmtflags_;
_CharT __fill_;
__save_flags(const __save_flags&);
__save_flags& operator=(const __save_flags&);
public:
_LIBCPP_INLINE_VISIBILITY
explicit __save_flags(__stream_type& __stream)
: __stream_(__stream),
__fmtflags_(__stream.flags()),
__fill_(__stream.fill())
{}
_LIBCPP_INLINE_VISIBILITY
~__save_flags()
{
__stream_.flags(__fmtflags_);
__stream_.fill(__fill_);
}
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_IOS

27
libcxx/include/random
View File

@ -1973,33 +1973,6 @@ linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q,
__x_ = __c == 0 && __s == 0 ? result_type(1) : __s;
}
template <class _CharT, class _Traits>
class __save_flags
{
typedef basic_ios<_CharT, _Traits> __stream_type;
typedef typename __stream_type::fmtflags fmtflags;
__stream_type& __stream_;
fmtflags __fmtflags_;
_CharT __fill_;
__save_flags(const __save_flags&);
__save_flags& operator=(const __save_flags&);
public:
_LIBCPP_INLINE_VISIBILITY
explicit __save_flags(__stream_type& __stream)
: __stream_(__stream),
__fmtflags_(__stream.flags()),
__fill_(__stream.fill())
{}
_LIBCPP_INLINE_VISIBILITY
~__save_flags()
{
__stream_.flags(__fmtflags_);
__stream_.fill(__fill_);
}
};
template <class _CharT, class _Traits,
class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
inline _LIBCPP_INLINE_VISIBILITY