Re: Invalid code in <limits>

[Mark Mitchell <mark at codesourcery dot com>]

--On Wednesday, January 29, 2003 12:18:31 AM -0800 Richard Henderson 
<rth@redhat.com> wrote:

> On Wed, Jan 29, 2003 at 12:06:18AM -0800, Mark Mitchell wrote:
> > The bottom line is that there's no need to make the compiler work
> > hard to deal with this stuff; it's easy to make a keyword whose value
> > is "__builtin_huge_valf () / 2 == __builtin_huge_valf ()" or
> > "__builtin_nanf ("") != __builtin_nanf ("")"; you just evaluate that
> > expression in the guts of the compiler where it can do whatever it
> > wants.
> Ok, but how about
>
> 	struct S {
> 	  static const double f = 1.0;
> 	  static const double g = __builtin_huge_valf ();
> 	};
You can't do this for two reasons: you're using a function call, and
you can only initialize integral/enumeration type data members this way.

--
Mark Mitchell                mark@codesourcery.com
CodeSourcery, LLC            http://www.codesourcery.com