Zero an mpz_t?

[Marc Glisse]

On Sun, 18 Dec 2011, james at jamesbb.co.uk wrote:

> Hiya,
>  
> Is there a way to 'zero' an mpz_t integer, such that all of the bytes used to
> store the number are overwritten?
>  
> I'm assuming that assigning the value of 0 will not do this, but I might be
> mistaken!

Hello,

obviously, you can do it by hand (see 
http://gmplib.org/manual/Integer-Internals.html), but gmp doesn't provide 
an interface to do that because there is no (arithmetic) reason to do such 
a thing.

It is hard to give better advice without knowing what your exact goal is.

-- 
Marc Glisse