Function check_powers

utils/src/ff.rs:160–175

()

    #[test]
    fn check_powers() {
        let mut rng = StdRng::seed_from_u64(0u64);

        let exp = Fr::rand(&mut rng);
        let num = 10;
        let mut p1 = powers(&exp, num);
        assert!(p1[0].is_one());
        for i in 1..num as usize {
            assert_eq!(p1[i], p1[i - 1] * exp);
        }

        let p2 = powers_starting_from(exp.clone(), &exp, num - 1);
        assert_eq!(p2[0], exp);
        p1.remove(0);
        assert_eq!(p1, p2);
    }
}