struct __ios_flags in c++io.h
Alex Vinokur
alexvn@connect.to
Wed Nov 5 05:00:00 GMT 2003
Files
* /usr/include/c++/3.3.1/i686-pc-cygwin/bits/c++io.h
* /usr/include/c++/3.3.1/i686-pc-mingw32/bits/c++io.h
contain struct __ios_flags.
// for ios_base.h
struct __ios_flags
{
typedef short __int_type;
static const __int_type _S_boolalpha = 0x0001;
static const __int_type _S_dec = 0x0002;
static const __int_type _S_fixed = 0x0004;
static const __int_type _S_hex = 0x0008;
static const __int_type _S_internal = 0x0010;
static const __int_type _S_left = 0x0020;
static const __int_type _S_oct = 0x0040;
static const __int_type _S_right = 0x0080;
static const __int_type _S_scientific = 0x0100;
static const __int_type _S_showbase = 0x0200;
static const __int_type _S_showpoint = 0x0400;
static const __int_type _S_showpos = 0x0800;
static const __int_type _S_skipws = 0x1000;
static const __int_type _S_unitbuf = 0x2000;
static const __int_type _S_uppercase = 0x4000;
static const __int_type _S_adjustfield = 0x0020 | 0x0080 | 0x0010;
static const __int_type _S_basefield = 0x0002 | 0x0040 | 0x0008;
static const __int_type _S_floatfield = 0x0100 | 0x0004;
[---omitted--]
};
>From the design point of view it might be preferable to define
* _S_adjustfield
* _S_basefield
* _S_floatfield
as following :
---------------------------------------
static const __int_type _S_adjustfield = _S_left | _S_right | _S_internal;
static const __int_type _S_basefield = _S_dec | _S_oct | _S_hex;
static const __int_type _S_floatfield = _S_scientific | _S_fixed;
---------------------------------------
--
=====================================
Alex Vinokur
mailto:alexvn@connect.to
http://mathforum.org/library/view/10978.html
news://news.gmane.org/gmane.comp.lang.c++.perfometer
=====================================
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