Re: Keyword _Imaginary in C99 standard and in GCC

["Yao qi" <qiyaobit at hotmail dot com>]

> From: Andrew Pinski <pinskia@physics.uc.edu>
> To: "Yao qi" <qiyaobit@hotmail.com>
> CC: gcc@gcc.gnu.org
> Subject: Re: Keyword _Imaginary in C99 standard and in GCC
> Date: Thu, 18 Aug 2005 23:07:49 -0400
>
>
> On Aug 18, 2005, at 11:04 PM, Yao qi wrote:
>
> > Hi, everyone,
> > I have looked through C99 standard, in 6.4.1 Keywords,  "_Imaginary" is 
> > mentioned as a keyword in this standard.  However, it seems that GCC can 
> > not recognize it,  report error: '_Imaginary' undeclared.  I also search 
> > it in GCC info, there is no spot mentioned that.  Maybe GCC does not 
> > include it as a keyword, I am not sure about that, am I missing something? 
> >  Maybe someone of you could clarify for me.  Thanks in advance.
>
> _Imaginary types are not implemented yet in GCC.
>
> -- Pinski
Thanks.  That means GCC has not fully support C99, just partialy, am I 
right?  I want to continue a question further, could you tell me where can I 
find a document about GCC's coverage in C99, if any?  If there is no such 
document, I just have to collect these information by hand.

Best Regards
----------------
Yao Qi
Bejing Institute of Technology

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