Re: Can arithmetic evaluation trap more than just division by zero?

[Roman Rakus]

On 04/06/2010 01:49 PM, Greg Wooledge wrote:
> On Tue, Apr 06, 2010 at 01:29:28PM +0200, Roman Rakus wrote:
>    
> > Is it possible to add more traps to arithmetic evaluation?
> > Repeated by:
> > $((2 ** 63 / -1))
> >
> > Actual result:
> > SIGFPE (not catched)
> >
> > Initial report is https://bugzilla.redhat.com/show_bug.cgi?id=579622
> >      
> Hmm, I don't get that.
>
> imadev:~$ uname -sr; echo $BASH_VERSION
> HP-UX B.10.20
> 4.1.2(2)-release
> imadev:~$ echo $((2 ** 63 / -1))
> -9223372036854775808
>
> arc3:~$ uname -sr; echo $BASH_VERSION
> Linux 2.6.26-2-686
> 3.2.39(1)-release
> arc3:~$ echo $((2 ** 63 / -1))
> -9223372036854775808
>
>
>    
I can reproduce it in 4.1.2(1)-release and 4.0.23(1)-release on x86_64 
GNU/Linux. I didn't try on bash 3.2.
RR