Cofactor canonicalisation of mpn_gcdext

Bill Allombert Bill.Allombert at
Sat Dec 12 12:25:36 CET 2009

On Fri, Dec 04, 2009 at 09:09:56PM +0100, bodrato at wrote:
> > Sure, where is the tree available for download ?
> You can find the snapshots in:
> the gmp-4.4.-1-20091204.tar.lz file contains all the new code introduced
> by Niels yesterday.

Thanks for the link.

I rebuilt PARI against this GMP version and I could not find a single instance
where it returns something different from PARI+GMP 4.2 or PARI-without-GMP.
On the other hand, my test found quite a lot of case where PARI+GMP 4.3
return something different. 

So this snapshot seems to be 100% compatible with GMP 4.2. This is great.


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