if ((x = strongprime_setup("p", x, &jp, nb, r, n, event, ectx)) == 0)
goto fail_x;
j.j = &jp;
bp->p = pgen("p", MP_NEW, x, event, ectx, n, pgen_jump, &j,
rabin_iters(nb), pgen_test, &rb);
pfilt_destroy(&jp);
if ((x = strongprime_setup("p", x, &jp, nb, r, n, event, ectx)) == 0)
goto fail_x;
j.j = &jp;
bp->p = pgen("p", MP_NEW, x, event, ectx, n, pgen_jump, &j,
rabin_iters(nb), pgen_test, &rb);
pfilt_destroy(&jp);