"Heinz Saathoff" <hsaat@bre.ipnet.de> wrote in message news:MPG.194a68fa681300f79896be@news.digitalmars.com...
> To Walter:
> is this where the difference between -f and -ff is? As I understand the
> -ff (fast floating point) option doesn't check for special cases (nan,
> overflows).

Right. It was put in there for benchmarking floating point against compilers which do not handle nans.