#include <locale>
#include <sstream>
class dublin : public std::moneypunct<wchar_t> {
public:
int do_frac_digits() const { return 3; }
};
int main()
{
std::wistringstream liffey;
std::wstring coins;
std::locale eire(std::locale::classic(), new dublin);
liffey.imbue(eire);
const std::money_get<wchar_t>& greed
= std::use_facet<std::money_get<wchar_t> >(liffey.getloc());
typedef std::istreambuf_iterator<wchar_t> iterator_type;
iterator_type is(liffey);
iterator_type end;
std::ios_base::iostate err01 = std::ios_base::goodbit;
int fails = 0;
liffey.str(L"12.3456");
greed.get(is, end, false, liffey, err01, coins);
if (! (err01 & std::ios_base::failbit ))
fails |= 0x01;
err01 = std::ios_base::goodbit;
liffey.str(L"12.345");
greed.get(is, end, false, liffey, err01, coins);
if ( err01 & std::ios_base::failbit )
fails |= 0x02;
err01 = std::ios_base::goodbit;
liffey.str(L"12.34");
greed.get(is, end, false, liffey, err01, coins);
if (! ( err01 & std::ios_base::failbit ))
fails |= 0x04;
err01 = std::ios_base::goodbit;
liffey.str(L"12.");
greed.get(is, end, false, liffey, err01, coins);
if (! (err01 & std::ios_base::failbit ))
fails |= 0x08;
err01 = std::ios_base::goodbit;
liffey.str(L"12");
greed.get(is, end, false, liffey, err01, coins);
if ( err01 & std::ios_base::failbit )
fails |= 0x10;
return fails;
}