p = mprand(l->newp, pl, l->r, 1);
pf.step = 2;
p = pgen(l->u.s.name, p, p, l->iev, l->iec, 0, pgen_filter, &pf,
rabin_iters(pl), pgen_test, &r);
p = mprand(l->newp, pl, l->r, 1);
pf.step = 2;
p = pgen(l->u.s.name, p, p, l->iev, l->iec, 0, pgen_filter, &pf,
rabin_iters(pl), pgen_test, &r);