bn_is_prime_int
i = bn_is_prime_int(ret, checks, ctx, 0, cb);
j = bn_is_prime_int(ret, 1, ctx, 0, cb);
j = bn_is_prime_int(t, 1, ctx, 0, cb);
return bn_is_prime_int(w, checks, ctx, do_trial_division, cb);
return bn_is_prime_int(w, checks, ctx, 1, cb);
static int bn_is_prime_int(const BIGNUM *w, int checks, BN_CTX *ctx,