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


From: Greg Wooledge
Subject: Re: Can arithmetic evaluation trap more than just division by zero?
Date: Tue, 6 Apr 2010 07:49:50 -0400
User-agent: Mutt/1.4.2.3i

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




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