input operators shouldn't clear eof

[Marc Glisse]

On Tue, 21 Dec 2010, Oncaphillis wrote:

> This may be more a feature request then a bug report, but the input operator
> of gmpxx shouldn't clear the eof flag on the istream.

I can confirm the bug report, as I already mentioned it here:
http://gmplib.org/list-archives/gmp-bugs/2010-April/001947.html
:-)

> I attached a patch against 5.0.1

Seems reasonable.

-- 
Marc Glisse