Move code to factor leftover norms on both sides into a separate function
Move code to factor leftover norms on both sides into a separate function

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs