Lines Matching refs:z
863 const struct gf_poly *f, struct gf_poly *z, in compute_trace_bk_mod() argument
870 z->deg = 1; in compute_trace_bk_mod()
871 z->c[0] = 0; in compute_trace_bk_mod()
872 z->c[1] = bch->a_pow_tab[k]; in compute_trace_bk_mod()
882 for (j = z->deg; j >= 0; j--) { in compute_trace_bk_mod()
883 out->c[j] ^= z->c[j]; in compute_trace_bk_mod()
884 z->c[2*j] = gf_sqr(bch, z->c[j]); in compute_trace_bk_mod()
885 z->c[2*j+1] = 0; in compute_trace_bk_mod()
887 if (z->deg > out->deg) in compute_trace_bk_mod()
888 out->deg = z->deg; in compute_trace_bk_mod()
891 z->deg *= 2; in compute_trace_bk_mod()
893 gf_poly_mod(bch, z, f, bch->cache); in compute_trace_bk_mod()
911 struct gf_poly *z = bch->poly_2t[3]; in factor_polynomial() local
920 compute_trace_bk_mod(bch, k, f, z, tk); in factor_polynomial()