Add Polynomial.eval_h() for homogeneous bi-variate evaluation
Add Polynomial.eval_h() for homogeneous bi-variate evaluation

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