Errors in specification?

[Jarrett Billingsley]

"Simen Haugen" <simen at norstat.no> wrote in message 
news:g2tdtv$e76$1 at digitalmars.com...
> "Jarrett Billingsley" wrote in message
>> Either use std.math.isnan/tango.math.IEEE.isNaN, or a somewhat.. funnier 
>> looking method:
>>
>> float f2;
>> f2 !<>= f2; // true
>
> Thanks a lot
>
> If I had checked the expression chapter I would have seen that. I must say 
> that at first I thought wtf! I had no idea what you were doing there: "f2 
> not lt gt eq f2"?!? Sure is a long strange looking operator.

Heheh.  Well I don't think it actually mentions that that's a possible test 
for nan, but it just happens to work out because of the semantics of that 
operator.