Re: Broken isnan(3) and/or DQNAN on Tru64

[Bruno Haible]

Ludovic Courtès wrote:
> on alpha*-linux-gnu, `-mieee' is apparently not needed:
> 
> --8<---------------cut here---------------start------------->8---
> #include <math.h>
> 
> int
> main (int argc, char *argv[])
> {
>   return isnan (NAN);
> }
> --8<---------------cut here---------------end--------------->8---

It's not needed for this particular program, but for overflow and
division by zero. Overflow and division by 0.0 lead to SIGFPE by default,
on alpha-*-* platforms.

Bruno