[GiNaC-list] Relations using possymbol

[Michael Boyer]

On Wed, Mar 23, 2011 at 5:41 PM, Richard B. Kreckel <kreckel at ginac.de> wrote:
>> Any idea why it cannot determine that -x is in fact negative?
>
> It can and does determine that since 1.5.7. You must be using an older
> release.

Great, thanks!

I am using 1.5.5-1, which is the latest version in the Ubuntu 10.04
repository. Looks like I need to upgrade!

Thanks,
Michael