> -----Original Message----- > From: Martin Sebor [mailto:[EMAIL PROTECTED] > Sent: Friday, June 22, 2007 5:58 PM > To: stdcxx-dev@incubator.apache.org > Subject: Re: STDCXX examples fails and reasons [MSVC] > > Farid Zaripov wrote: > >> -----Original Message----- > >> From: Martin Sebor [mailto:[EMAIL PROTECTED] > >> Sent: Thursday, June 21, 2007 8:56 PM > >> To: stdcxx-dev@incubator.apache.org > >> Subject: Re: STDCXX examples fails and reasons [MSVC] > > > > [...] > > > >> limits.cpp should produce the qnan for Quiet NAN and snan for > >> Signaling NAN on all platforms. > > > > I can't find this requirement in standard. > > It's not in the C++ standard but it is in C99, under > fprintf(), the f and F conversion specifier: > > A double argument representing an infinity is converted > in one of the styles [-]inf or [-]infinity - which style > is implementation-defined. A double argument representing > a NaN is converted in one of the styles [-]nan or > [-]nan(n-char-sequence) - which style, and the meaning > of any n-char-sequence, is implementation-defined. The > F conversion specifier produces INF, INFINITY, or NAN > instead of inf, infinity, or nan, respectively.
Ok, thanks. Could you share the C99 standard? Farid.
