stupid inversion: pre-zeroing output in addmul instead of mul
stupid inversion: pre-zeroing output in addmul instead of mul

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