Lines Matching refs:z
819 const struct gf_poly *f, struct gf_poly *z, in compute_trace_bk_mod() argument
826 z->deg = 1; in compute_trace_bk_mod()
827 z->c[0] = 0; in compute_trace_bk_mod()
828 z->c[1] = bch->a_pow_tab[k]; in compute_trace_bk_mod()
838 for (j = z->deg; j >= 0; j--) { in compute_trace_bk_mod()
839 out->c[j] ^= z->c[j]; in compute_trace_bk_mod()
840 z->c[2*j] = gf_sqr(bch, z->c[j]); in compute_trace_bk_mod()
841 z->c[2*j+1] = 0; in compute_trace_bk_mod()
843 if (z->deg > out->deg) in compute_trace_bk_mod()
844 out->deg = z->deg; in compute_trace_bk_mod()
847 z->deg *= 2; in compute_trace_bk_mod()
849 gf_poly_mod(bch, z, f, bch->cache); in compute_trace_bk_mod()
867 struct gf_poly *z = bch->poly_2t[3]; in factor_polynomial() local
876 compute_trace_bk_mod(bch, k, f, z, tk); in factor_polynomial()