Re: Invalid code in <limits>

[Neil Booth <neil at daikokuya dot co dot uk>]

Gabriel Dos Reis wrote:-

> True.  But, my recollection at the time when that work was done was
> that __builtin_huge_valf() (and similirar "function") should be
> treated as compile-time constants, i.e. the expression 
> 
>   __builtin_huge_valf () / 2 == __builtin_huge_valf ()
> 
> should be handled as an integral-constant by  the compiler.

This is the kind of thing we should document.  Our extensions are
underdocumented, which almost always leads to confusion somewhere
down the line.

Neil.