changed Bf,Bg to 2^lpb1/2^lpb0 for the computation of Murphy-E value
changed Bf,Bg to 2^lpb1/2^lpb0 for the computation of Murphy-E value

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