Modify powers-of-two smallsieve. We had a bug for 2^k>I.
Modify powers-of-two smallsieve. We had a bug for 2^k>I.

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