On 2005-05-31 11:39:39 -0700, Mike Stump wrote:
> On May 31, 2005, at 10:25 AM, Vincent Lefevre wrote:
> >Well, there is no extended precision with GCC under Linux/PPC.
> 
> Hum, I do wonder about even that; why do:
> 
> 2004-02-07  Alan Modra  <[EMAIL PROTECTED]>
> 
>         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add darwin- 
> ldouble.c.
> 
> powerpc64-*-linux*)
Hmm... this is powerpc64. Under the 32-bit version, there's no
extended precision.

> >And according to
> >http://developer.apple.com/documentation/mac/PPCNumerics/ 
> >PPCNumerics-14.html
> >(found with Google), the PowerPC doesn't have hardware support
> >for extended precision.
> 
> I don't see the relevance, not to the question of can long double be  
> used under linux, nor even can long double be used under OSX, nor  
> long double on ppc.

This just explains why there's no extended precision on Linux/ppc.
You can use long double, but if you want to be portable enough,
your program must not require extended precision.

-- 
Vincent Lef�vre <[EMAIL PROTECTED]> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / SPACES project at LORIA

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